changeset 51163:8b8658b1b7e4

Merge
author prr
date Thu, 19 Jul 2018 10:17:22 -0700
parents 02266d771ec5 52f96cca600f
children 17148c9457a6
files .hgtags src/hotspot/share/runtime/os.hpp src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/stylesheet.css test/hotspot/jtreg/ProblemList-graal.txt test/hotspot/jtreg/ProblemList.txt test/hotspot/jtreg/compiler/graalunit/JttLangMTest.java test/hotspot/jtreg/compiler/graalunit/JttReflectFTest.java test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatRateTest.java test/jdk/ProblemList.txt
diffstat 132 files changed, 2457 insertions(+), 732 deletions(-) [+]
line wrap: on
line diff
--- a/.hgtags	Thu Jul 19 09:46:29 2018 -0700
+++ b/.hgtags	Thu Jul 19 10:17:22 2018 -0700
@@ -496,5 +496,6 @@
 14708e1acdc3974f4539027cbbcfa6d69f83cf51 jdk-11+21
 00b16d0457e43d23f6ca5ade6b243edce62750a0 jdk-12+1
 9937ef7499dcd7673714517fd5e450410c14ba4e jdk-11+22
+1edcf36fe15f79d6228d1a63eb680878e2386480 jdk-11+23
 69b438908512d3dfef5852c6a843a5778333a309 jdk-12+2
 990db216e7199b2ba9989d8fa20b657e0ca7d969 jdk-12+3
--- a/src/hotspot/cpu/aarch64/gc/g1/g1BarrierSetAssembler_aarch64.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/cpu/aarch64/gc/g1/g1BarrierSetAssembler_aarch64.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -24,9 +24,6 @@
 
 #include "precompiled.hpp"
 #include "asm/macroAssembler.inline.hpp"
-#include "c1/c1_LIRAssembler.hpp"
-#include "c1/c1_MacroAssembler.hpp"
-#include "gc/g1/c1/g1BarrierSetC1.hpp"
 #include "gc/g1/g1BarrierSet.hpp"
 #include "gc/g1/g1BarrierSetAssembler.hpp"
 #include "gc/g1/g1BarrierSetRuntime.hpp"
@@ -38,6 +35,11 @@
 #include "runtime/thread.hpp"
 #include "interpreter/interp_masm.hpp"
 #include "runtime/sharedRuntime.hpp"
+#ifdef COMPILER1
+#include "c1/c1_LIRAssembler.hpp"
+#include "c1/c1_MacroAssembler.hpp"
+#include "gc/g1/c1/g1BarrierSetC1.hpp"
+#endif
 
 #define __ masm->
 
--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -739,11 +739,19 @@
          || entry.rspec().type() == relocInfo::static_call_type
          || entry.rspec().type() == relocInfo::virtual_call_type, "wrong reloc type");
 
-  unsigned int start_offset = offset();
-  if (far_branches() && !Compile::current()->in_scratch_emit_size()) {
-    address stub = emit_trampoline_stub(start_offset, entry.target());
-    if (stub == NULL) {
-      return NULL; // CodeCache is full
+  // We need a trampoline if branches are far.
+  if (far_branches()) {
+    // We don't want to emit a trampoline if C2 is generating dummy
+    // code during its branch shortening phase.
+    CompileTask* task = ciEnv::current()->task();
+    bool in_scratch_emit_size =
+      (task != NULL && is_c2_compile(task->comp_level()) &&
+       Compile::current()->in_scratch_emit_size());
+    if (!in_scratch_emit_size) {
+      address stub = emit_trampoline_stub(offset(), entry.target());
+      if (stub == NULL) {
+        return NULL; // CodeCache is full
+      }
     }
   }
 
--- a/src/hotspot/cpu/ppc/assembler_ppc.hpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/cpu/ppc/assembler_ppc.hpp	Thu Jul 19 10:17:22 2018 -0700
@@ -1635,6 +1635,7 @@
   // TEXASR bit description
   enum transaction_failure_reason {
     // Upper half (TEXASRU):
+    tm_failure_code       =  0, // The Failure Code is copied from tabort or treclaim operand.
     tm_failure_persistent =  7, // The failure is likely to recur on each execution.
     tm_disallowed         =  8, // The instruction is not permitted.
     tm_nesting_of         =  9, // The maximum transaction level was exceeded.
@@ -1650,6 +1651,7 @@
     tm_failure_summary    = 36, // Failure has been detected and recorded.
     tm_tfiar_exact        = 37, // Value in the TFIAR is exact.
     tm_rot                = 38, // Rollback-only transaction.
+    tm_transaction_level  = 52, // Transaction level (nesting depth + 1).
   };
 
   // PPC 1, section 2.4.1 Branch Instructions
--- a/src/hotspot/cpu/ppc/macroAssembler_ppc.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/cpu/ppc/macroAssembler_ppc.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -2412,7 +2412,7 @@
 
 // Update rtm_counters based on abort status
 // input: abort_status
-//        rtm_counters (RTMLockingCounters*)
+//        rtm_counters_Reg (RTMLockingCounters*)
 void MacroAssembler::rtm_counters_update(Register abort_status, Register rtm_counters_Reg) {
   // Mapping to keep PreciseRTMLockingStatistics similar to x86.
   // x86 ppc (! means inverted, ? means not the same)
@@ -2422,52 +2422,96 @@
   //  3   10  Set if an internal buffer overflowed.
   //  4  ?12  Set if a debug breakpoint was hit.
   //  5  ?32  Set if an abort occurred during execution of a nested transaction.
-  const  int tm_failure_bit[] = {Assembler::tm_tabort, // Note: Seems like signal handler sets this, too.
-                                 Assembler::tm_failure_persistent, // inverted: transient
-                                 Assembler::tm_trans_cf,
-                                 Assembler::tm_footprint_of,
-                                 Assembler::tm_non_trans_cf,
-                                 Assembler::tm_suspended};
-  const bool tm_failure_inv[] = {false, true, false, false, false, false};
-  assert(sizeof(tm_failure_bit)/sizeof(int) == RTMLockingCounters::ABORT_STATUS_LIMIT, "adapt mapping!");
-
-  const Register addr_Reg = R0;
-  // Keep track of offset to where rtm_counters_Reg had pointed to.
+  const int failure_bit[] = {tm_tabort, // Signal handler will set this too.
+                             tm_failure_persistent,
+                             tm_non_trans_cf,
+                             tm_trans_cf,
+                             tm_footprint_of,
+                             tm_failure_code,
+                             tm_transaction_level};
+
+  const int num_failure_bits = sizeof(failure_bit) / sizeof(int);
+  const int num_counters = RTMLockingCounters::ABORT_STATUS_LIMIT;
+
+  const int bit2counter_map[][num_counters] =
+  // 0 = no map; 1 = mapped, no inverted logic; -1 = mapped, inverted logic
+  // Inverted logic means that if a bit is set don't count it, or vice-versa.
+  // Care must be taken when mapping bits to counters as bits for a given
+  // counter must be mutually exclusive. Otherwise, the counter will be
+  // incremented more than once.
+  // counters:
+  // 0        1        2         3         4         5
+  // abort  , persist, conflict, overflow, debug   , nested         bits:
+  {{ 1      , 0      , 0       , 0       , 0       , 0      },   // abort
+   { 0      , -1     , 0       , 0       , 0       , 0      },   // failure_persistent
+   { 0      , 0      , 1       , 0       , 0       , 0      },   // non_trans_cf
+   { 0      , 0      , 1       , 0       , 0       , 0      },   // trans_cf
+   { 0      , 0      , 0       , 1       , 0       , 0      },   // footprint_of
+   { 0      , 0      , 0       , 0       , -1      , 0      },   // failure_code = 0xD4
+   { 0      , 0      , 0       , 0       , 0       , 1      }};  // transaction_level > 1
+  // ...
+
+  // Move abort_status value to R0 and use abort_status register as a
+  // temporary register because R0 as third operand in ld/std is treated
+  // as base address zero (value). Likewise, R0 as second operand in addi
+  // is problematic because it amounts to li.
+  const Register temp_Reg = abort_status;
+  const Register abort_status_R0 = R0;
+  mr(abort_status_R0, abort_status);
+
+  // Increment total abort counter.
   int counters_offs = RTMLockingCounters::abort_count_offset();
-  addi(addr_Reg, rtm_counters_Reg, counters_offs);
-  const Register temp_Reg = rtm_counters_Reg;
-
-  //atomic_inc_ptr(addr_Reg, temp_Reg); We don't increment atomically
-  ldx(temp_Reg, addr_Reg);
+  ld(temp_Reg, counters_offs, rtm_counters_Reg);
   addi(temp_Reg, temp_Reg, 1);
-  stdx(temp_Reg, addr_Reg);
-
+  std(temp_Reg, counters_offs, rtm_counters_Reg);
+
+  // Increment specific abort counters.
   if (PrintPreciseRTMLockingStatistics) {
-    int counters_offs_delta = RTMLockingCounters::abortX_count_offset() - counters_offs;
-
-    //mftexasr(abort_status); done by caller
-    for (int i = 0; i < RTMLockingCounters::ABORT_STATUS_LIMIT; i++) {
-      counters_offs += counters_offs_delta;
-      li(temp_Reg, counters_offs_delta); // can't use addi with R0
-      add(addr_Reg, addr_Reg, temp_Reg); // point to next counter
-      counters_offs_delta = sizeof(uintx);
-
-      Label check_abort;
-      rldicr_(temp_Reg, abort_status, tm_failure_bit[i], 0);
-      if (tm_failure_inv[i]) {
-        bne(CCR0, check_abort);
-      } else {
-        beq(CCR0, check_abort);
+
+    // #0 counter offset.
+    int abortX_offs = RTMLockingCounters::abortX_count_offset();
+
+    for (int nbit = 0; nbit < num_failure_bits; nbit++) {
+      for (int ncounter = 0; ncounter < num_counters; ncounter++) {
+        if (bit2counter_map[nbit][ncounter] != 0) {
+          Label check_abort;
+          int abort_counter_offs = abortX_offs + (ncounter << 3);
+
+          if (failure_bit[nbit] == tm_transaction_level) {
+            // Don't check outer transaction, TL = 1 (bit 63). Hence only
+            // 11 bits in the TL field are checked to find out if failure
+            // occured in a nested transaction. This check also matches
+            // the case when nesting_of = 1 (nesting overflow).
+            rldicr_(temp_Reg, abort_status_R0, failure_bit[nbit], 10);
+          } else if (failure_bit[nbit] == tm_failure_code) {
+            // Check failure code for trap or illegal caught in TM.
+            // Bits 0:7 are tested as bit 7 (persistent) is copied from
+            // tabort or treclaim source operand.
+            // On Linux: trap or illegal is TM_CAUSE_SIGNAL (0xD4).
+            rldicl(temp_Reg, abort_status_R0, 8, 56);
+            cmpdi(CCR0, temp_Reg, 0xD4);
+          } else {
+            rldicr_(temp_Reg, abort_status_R0, failure_bit[nbit], 0);
+          }
+
+          if (bit2counter_map[nbit][ncounter] == 1) {
+            beq(CCR0, check_abort);
+          } else {
+            bne(CCR0, check_abort);
+          }
+
+          // We don't increment atomically.
+          ld(temp_Reg, abort_counter_offs, rtm_counters_Reg);
+          addi(temp_Reg, temp_Reg, 1);
+          std(temp_Reg, abort_counter_offs, rtm_counters_Reg);
+
+          bind(check_abort);
+        }
       }
-      //atomic_inc_ptr(addr_Reg, temp_Reg); We don't increment atomically
-      ldx(temp_Reg, addr_Reg);
-      addi(temp_Reg, temp_Reg, 1);
-      stdx(temp_Reg, addr_Reg);
-      bind(check_abort);
     }
   }
-  li(temp_Reg, -counters_offs); // can't use addi with R0
-  add(rtm_counters_Reg, addr_Reg, temp_Reg); // restore
+  // Restore abort_status.
+  mr(abort_status, abort_status_R0);
 }
 
 // Branch if (random & (count-1) != 0), count is 2^n
@@ -2569,8 +2613,28 @@
 void MacroAssembler::rtm_retry_lock_on_abort(Register retry_count_Reg, Register abort_status_Reg,
                                              Label& retryLabel, Label* checkRetry) {
   Label doneRetry;
+
+  // Don't retry if failure is persistent.
+  // The persistent bit is set when a (A) Disallowed operation is performed in
+  // transactional state, like for instance trying to write the TFHAR after a
+  // transaction is started; or when there is (B) a Nesting Overflow (too many
+  // nested transactions); or when (C) the Footprint overflows (too many
+  // addressess touched in TM state so there is no more space in the footprint
+  // area to track them); or in case of (D) a Self-Induced Conflict, i.e. a
+  // store is performed to a given address in TM state, then once in suspended
+  // state the same address is accessed. Failure (A) is very unlikely to occur
+  // in the JVM. Failure (D) will never occur because Suspended state is never
+  // used in the JVM. Thus mostly (B) a Nesting Overflow or (C) a Footprint
+  // Overflow will set the persistent bit.
   rldicr_(R0, abort_status_Reg, tm_failure_persistent, 0);
   bne(CCR0, doneRetry);
+
+  // Don't retry if transaction was deliberately aborted, i.e. caused by a
+  // tabort instruction.
+  rldicr_(R0, abort_status_Reg, tm_tabort, 0);
+  bne(CCR0, doneRetry);
+
+  // Retry if transaction aborted due to a conflict with another thread.
   if (checkRetry) { bind(*checkRetry); }
   addic_(retry_count_Reg, retry_count_Reg, -1);
   blt(CCR0, doneRetry);
--- a/src/hotspot/cpu/ppc/sharedRuntime_ppc.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/cpu/ppc/sharedRuntime_ppc.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -2029,6 +2029,13 @@
   // --------------------------------------------------------------------------
   vep_start_pc = (intptr_t)__ pc();
 
+  if (UseRTMLocking) {
+    // Abort RTM transaction before calling JNI
+    // because critical section can be large and
+    // abort anyway. Also nmethod can be deoptimized.
+    __ tabort_();
+  }
+
   __ save_LR_CR(r_temp_1);
   __ generate_stack_overflow_check(frame_size_in_bytes); // Check before creating frame.
   __ mr(r_callers_sp, R1_SP);                            // Remember frame pointer.
@@ -2947,6 +2954,11 @@
   InterpreterMacroAssembler* masm = new InterpreterMacroAssembler(&buffer);
   address start = __ pc();
 
+  if (UseRTMLocking) {
+    // Abort RTM transaction before possible nmethod deoptimization.
+    __ tabort_();
+  }
+
   Register unroll_block_reg = R21_tmp1;
   Register klass_index_reg  = R22_tmp2;
   Register unc_trap_reg     = R23_tmp3;
@@ -3090,6 +3102,13 @@
     return_pc_location = RegisterSaver::return_pc_is_thread_saved_exception_pc;
   }
 
+  if (UseRTMLocking) {
+    // Abort RTM transaction before calling runtime
+    // because critical section can be large and so
+    // will abort anyway. Also nmethod can be deoptimized.
+    __ tabort_();
+  }
+
   // Save registers, fpu state, and flags. Set R31 = return pc.
   map = RegisterSaver::push_frame_reg_args_and_save_live_registers(masm,
                                                                    &frame_size_in_bytes,
--- a/src/hotspot/os/aix/misc_aix.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/os/aix/misc_aix.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -49,16 +49,3 @@
   const int rc = pthread_mutex_unlock(cs);
   assert0(rc == 0);
 }
-
-bool MiscUtils::is_readable_pointer(const void* p) {
-  if (!CanUseSafeFetch32()) {
-    return true;
-  }
-  int* const aligned = (int*) align_down(p, 4);
-  int cafebabe = 0xcafebabe;
-  int deadbeef = 0xdeadbeef;
-  return (SafeFetch32(aligned, cafebabe) != cafebabe) ||
-         (SafeFetch32(aligned, deadbeef) != deadbeef);
-}
-
-
--- a/src/hotspot/os/aix/misc_aix.hpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/os/aix/misc_aix.hpp	Thu Jul 19 10:17:22 2018 -0700
@@ -88,13 +88,6 @@
       _pcsobj->leave();
     }
   };
-
-  // Returns true if pointer can be dereferenced without triggering a segment
-  // violation. Returns false if pointer is invalid.
-  // Note: Depends on stub routines; prior to stub routine generation, will
-  // always return true. Use CanUseSafeFetch32 to handle this case.
-  bool is_readable_pointer(const void* p);
-
 }
 
 #endif // OS_AIX_VM_MISC_AIX_HPP
--- a/src/hotspot/os/aix/porting_aix.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/os/aix/porting_aix.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -142,7 +142,7 @@
   // in that case I try reading the traceback table unsafe - I rather risk secondary crashes in
   // error files than not having a callstack.)
 #define CHECK_POINTER_READABLE(p) \
-  if (!MiscUtils::is_readable_pointer(p)) { \
+  if (!os::is_readable_pointer(p)) { \
     trcVerbose("pc not readable"); \
     return false; \
   }
@@ -230,7 +230,7 @@
       const short l = MIN2<short>(*((short*)pc2), namelen - 1);
       // Be very careful.
       int i = 0; char* const p = (char*)pc2 + sizeof(short);
-      while (i < l && MiscUtils::is_readable_pointer(p + i)) {
+      while (i < l && os::is_readable_pointer(p + i)) {
         p_name[i] = p[i];
         i++;
       }
@@ -489,7 +489,7 @@
   const struct tbtable* tb = NULL;
   int displacement = -1;
 
-  if (!MiscUtils::is_readable_pointer(pc)) {
+  if (!os::is_readable_pointer(pc)) {
     st->print("(invalid)");
     return;
   }
@@ -697,7 +697,7 @@
   print_info_for_pc(st, cur_iar, buf, buf_size, demangle);
   st->cr();
 
-  if (cur_iar && MiscUtils::is_readable_pointer(cur_iar)) {
+  if (cur_iar && os::is_readable_pointer(cur_iar)) {
     decode_instructions_at_pc(
       "Decoded instructions at iar:",
       cur_iar, 32, 16, st);
@@ -710,7 +710,7 @@
   print_info_for_pc(st, cur_lr, buf, buf_size, demangle);
   st->cr();
 
-  if (cur_lr && MiscUtils::is_readable_pointer(cur_lr)) {
+  if (cur_lr && os::is_readable_pointer(cur_lr)) {
     decode_instructions_at_pc(
       "Decoded instructions at lr:",
       cur_lr, 32, 16, st);
@@ -729,7 +729,7 @@
   // Check and print rtoc.
   st->print("rtoc: "  PTR64_FORMAT " ", p2i(cur_rtoc));
   if (cur_rtoc == NULL || cur_rtoc == (codeptr_t)-1 ||
-      !MiscUtils::is_readable_pointer(cur_rtoc)) {
+      !os::is_readable_pointer(cur_rtoc)) {
     st->print("(invalid)");
   } else if (((uintptr_t)cur_rtoc) & 0x7) {
     st->print("(unaligned)");
--- a/src/hotspot/os_cpu/linux_ppc/os_linux_ppc.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/os_cpu/linux_ppc/os_linux_ppc.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -603,7 +603,9 @@
   st->print_cr("Register to memory mapping:");
   st->cr();
 
-  // this is only for the "general purpose" registers
+  st->print("pc ="); print_location(st, (intptr_t)uc->uc_mcontext.regs->nip);
+  st->print("lr ="); print_location(st, (intptr_t)uc->uc_mcontext.regs->link);
+  st->print("ctr ="); print_location(st, (intptr_t)uc->uc_mcontext.regs->ctr);
   for (int i = 0; i < 32; i++) {
     st->print("r%-2d=", i);
     print_location(st, uc->uc_mcontext.regs->gpr[i]);
--- a/src/hotspot/os_cpu/linux_s390/os_linux_s390.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/os_cpu/linux_s390/os_linux_s390.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -628,7 +628,19 @@
 }
 
 void os::print_register_info(outputStream *st, const void *context) {
-  st->print("Not ported\n");
+  if (context == NULL) return;
+
+  const ucontext_t *uc = (const ucontext_t*)context;
+
+  st->print_cr("Register to memory mapping:");
+  st->cr();
+
+  st->print("pc ="); print_location(st, (intptr_t)uc->uc_mcontext.psw.addr);
+  for (int i = 0; i < 16; i++) {
+    st->print("r%-2d=", i);
+    print_location(st, uc->uc_mcontext.gregs[i]);
+  }
+  st->cr();
 }
 
 #ifndef PRODUCT
--- a/src/hotspot/share/aot/aotCodeHeap.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/share/aot/aotCodeHeap.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -450,6 +450,7 @@
     SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_object_notify", address, JVMCIRuntime::object_notify);
     SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_object_notifyAll", address, JVMCIRuntime::object_notifyAll);
     SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_OSR_migration_end", address, SharedRuntime::OSR_migration_end);
+    SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_enable_stack_reserved_zone", address, SharedRuntime::enable_stack_reserved_zone);
     SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_dynamic_invoke", address, CompilerRuntime::resolve_dynamic_invoke);
     SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_string_by_symbol", address, CompilerRuntime::resolve_string_by_symbol);
     SET_AOT_GLOBAL_SYMBOL_VALUE("_aot_resolve_klass_by_symbol", address, CompilerRuntime::resolve_klass_by_symbol);
--- a/src/hotspot/share/code/codeHeapState.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/share/code/codeHeapState.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -117,23 +117,24 @@
     _outbuf->print("%s", termString);
 #endif
 
-const char  blobTypeChar[] = {' ', 'N', 'I', 'X', 'Z', 'U', 'R', '?', 'D', 'T', 'E', 'S', 'A', 'M', 'B', 'L' };
+const char  blobTypeChar[] = {' ', 'C', 'N', 'I', 'X', 'Z', 'U', 'R', '?', 'D', 'T', 'E', 'S', 'A', 'M', 'B', 'L' };
 const char* blobTypeName[] = {"noType"
-                             ,     "nMethod (active)"
-                             ,          "nMethod (inactive)"
-                             ,               "nMethod (deopt)"
-                             ,                    "nMethod (zombie)"
-                             ,                         "nMethod (unloaded)"
-                             ,                              "runtime stub"
-                             ,                                   "ricochet stub"
-                             ,                                        "deopt stub"
-                             ,                                             "uncommon trap stub"
-                             ,                                                  "exception stub"
-                             ,                                                       "safepoint stub"
-                             ,                                                            "adapter blob"
-                             ,                                                                 "MH adapter blob"
-                             ,                                                                      "buffer blob"
-                             ,                                                                           "lastType"
+                             ,     "nMethod (under construction)"
+                             ,          "nMethod (active)"
+                             ,               "nMethod (inactive)"
+                             ,                    "nMethod (deopt)"
+                             ,                         "nMethod (zombie)"
+                             ,                              "nMethod (unloaded)"
+                             ,                                   "runtime stub"
+                             ,                                        "ricochet stub"
+                             ,                                             "deopt stub"
+                             ,                                                  "uncommon trap stub"
+                             ,                                                       "exception stub"
+                             ,                                                            "safepoint stub"
+                             ,                                                                 "adapter blob"
+                             ,                                                                      "MH adapter blob"
+                             ,                                                                           "buffer blob"
+                             ,                                                                                "lastType"
                              };
 const char* compTypeName[] = { "none", "c1", "c2", "jvmci" };
 
@@ -156,7 +157,8 @@
 static unsigned int nBlocks_t2            = 0;  // counting "in_use" nmethods only.
 static unsigned int nBlocks_alive         = 0;  // counting "not_used" and "not_entrant" nmethods only.
 static unsigned int nBlocks_dead          = 0;  // counting "zombie" and "unloaded" methods only.
-static unsigned int nBlocks_unloaded      = 0;  // counting "unloaded" nmethods only. This is a transien state.
+static unsigned int nBlocks_inconstr      = 0;  // counting "inconstruction" nmethods only. This is a transient state.
+static unsigned int nBlocks_unloaded      = 0;  // counting "unloaded" nmethods only. This is a transient state.
 static unsigned int nBlocks_stub          = 0;
 
 static struct FreeBlk*          FreeArray = NULL;
@@ -226,6 +228,7 @@
     nBlocks_t2            = CodeHeapStatArray[ix].nBlocks_t2;
     nBlocks_alive         = CodeHeapStatArray[ix].nBlocks_alive;
     nBlocks_dead          = CodeHeapStatArray[ix].nBlocks_dead;
+    nBlocks_inconstr      = CodeHeapStatArray[ix].nBlocks_inconstr;
     nBlocks_unloaded      = CodeHeapStatArray[ix].nBlocks_unloaded;
     nBlocks_stub          = CodeHeapStatArray[ix].nBlocks_stub;
     FreeArray             = CodeHeapStatArray[ix].FreeArray;
@@ -248,6 +251,7 @@
     nBlocks_t2            = 0;
     nBlocks_alive         = 0;
     nBlocks_dead          = 0;
+    nBlocks_inconstr      = 0;
     nBlocks_unloaded      = 0;
     nBlocks_stub          = 0;
     FreeArray             = NULL;
@@ -274,6 +278,7 @@
     CodeHeapStatArray[ix].nBlocks_t2            = nBlocks_t2;
     CodeHeapStatArray[ix].nBlocks_alive         = nBlocks_alive;
     CodeHeapStatArray[ix].nBlocks_dead          = nBlocks_dead;
+    CodeHeapStatArray[ix].nBlocks_inconstr      = nBlocks_inconstr;
     CodeHeapStatArray[ix].nBlocks_unloaded      = nBlocks_unloaded;
     CodeHeapStatArray[ix].nBlocks_stub          = nBlocks_stub;
     CodeHeapStatArray[ix].FreeArray             = FreeArray;
@@ -554,6 +559,7 @@
     nBlocks_t2       = 0;
     nBlocks_alive    = 0;
     nBlocks_dead     = 0;
+    nBlocks_inconstr = 0;
     nBlocks_unloaded = 0;
     nBlocks_stub     = 0;
 
@@ -587,6 +593,7 @@
     size_t       disconnSpace  = 0;
     size_t       notentrSpace  = 0;
     size_t       deadSpace     = 0;
+    size_t       inconstrSpace = 0;
     size_t       unloadedSpace = 0;
     size_t       stubSpace     = 0;
     size_t       freeSpace     = 0;
@@ -692,6 +699,10 @@
                 nBlocks_dead++;
                 deadSpace      += hb_bytelen;
                 break;
+              case nMethod_inconstruction:
+                nBlocks_inconstr++;
+                inconstrSpace  += hb_bytelen;
+                break;
               default:
                 break;
             }
@@ -846,6 +857,7 @@
               StatArray[ix_beg].level     = comp_lvl;
               StatArray[ix_beg].compiler  = cType;
               break;
+            case nMethod_inconstruction: // let's count "in construction" nmethods here.
             case nMethod_alive:
               StatArray[ix_beg].tx_count++;
               StatArray[ix_beg].tx_space += (unsigned short)hb_len;
@@ -902,6 +914,7 @@
               StatArray[ix_end].level     = comp_lvl;
               StatArray[ix_end].compiler  = cType;
               break;
+            case nMethod_inconstruction: // let's count "in construction" nmethods here.
             case nMethod_alive:
               StatArray[ix_beg].tx_count++;
               StatArray[ix_beg].tx_space += (unsigned short)beg_space;
@@ -949,6 +962,7 @@
                 StatArray[ix].level     = comp_lvl;
                 StatArray[ix].compiler  = cType;
                 break;
+              case nMethod_inconstruction: // let's count "in construction" nmethods here.
               case nMethod_alive:
                 StatArray[ix].tx_count++;
                 StatArray[ix].tx_space += (unsigned short)(granule_size>>log2_seg_size);
@@ -971,11 +985,6 @@
         }
       }
     }
-    if (n_methods > 0) {
-      avgTemp = hotnessAccumulator/n_methods;
-    } else {
-      avgTemp = 0;
-    }
     done = true;
 
     if (!insane) {
@@ -990,6 +999,7 @@
       ast->print_cr("  Alive Space    = " SIZE_FORMAT_W(8) "k, nBlocks_alive    = %6d, %10.3f%% of capacity, %10.3f%% of max_capacity", aliveSpace/(size_t)K,    nBlocks_alive,    (100.0*aliveSpace)/size,    (100.0*aliveSpace)/res_size);
       ast->print_cr("    disconnected = " SIZE_FORMAT_W(8) "k, nBlocks_disconn  = %6d, %10.3f%% of capacity, %10.3f%% of max_capacity", disconnSpace/(size_t)K,  nBlocks_disconn,  (100.0*disconnSpace)/size,  (100.0*disconnSpace)/res_size);
       ast->print_cr("    not entrant  = " SIZE_FORMAT_W(8) "k, nBlocks_notentr  = %6d, %10.3f%% of capacity, %10.3f%% of max_capacity", notentrSpace/(size_t)K,  nBlocks_notentr,  (100.0*notentrSpace)/size,  (100.0*notentrSpace)/res_size);
+      ast->print_cr("  inconstrSpace  = " SIZE_FORMAT_W(8) "k, nBlocks_inconstr = %6d, %10.3f%% of capacity, %10.3f%% of max_capacity", inconstrSpace/(size_t)K, nBlocks_inconstr, (100.0*inconstrSpace)/size, (100.0*inconstrSpace)/res_size);
       ast->print_cr("  unloadedSpace  = " SIZE_FORMAT_W(8) "k, nBlocks_unloaded = %6d, %10.3f%% of capacity, %10.3f%% of max_capacity", unloadedSpace/(size_t)K, nBlocks_unloaded, (100.0*unloadedSpace)/size, (100.0*unloadedSpace)/res_size);
       ast->print_cr("  deadSpace      = " SIZE_FORMAT_W(8) "k, nBlocks_dead     = %6d, %10.3f%% of capacity, %10.3f%% of max_capacity", deadSpace/(size_t)K,     nBlocks_dead,     (100.0*deadSpace)/size,     (100.0*deadSpace)/res_size);
       ast->print_cr("  stubSpace      = " SIZE_FORMAT_W(8) "k, nBlocks_stub     = %6d, %10.3f%% of capacity, %10.3f%% of max_capacity", stubSpace/(size_t)K,     nBlocks_stub,     (100.0*stubSpace)/size,     (100.0*stubSpace)/res_size);
@@ -1009,9 +1019,15 @@
       printBox(ast, '-', "Method hotness information at time of this analysis", NULL);
       ast->print_cr("Highest possible method temperature:          %12d", reset_val);
       ast->print_cr("Threshold for method to be considered 'cold': %12.3f", -reset_val + reverse_free_ratio * NmethodSweepActivity);
-      ast->print_cr("min. hotness = %6d", minTemp);
-      ast->print_cr("avg. hotness = %6d", avgTemp);
-      ast->print_cr("max. hotness = %6d", maxTemp);
+      if (n_methods > 0) {
+        avgTemp = hotnessAccumulator/n_methods;
+        ast->print_cr("min. hotness = %6d", minTemp);
+        ast->print_cr("avg. hotness = %6d", avgTemp);
+        ast->print_cr("max. hotness = %6d", maxTemp);
+      } else {
+        avgTemp = 0;
+        ast->print_cr("No hotness data available");
+      }
       STRINGSTREAM_FLUSH("\n")
 
       // This loop is intentionally printing directly to "out".
@@ -1024,6 +1040,9 @@
         if (StatArray[ix].t2_count   > granule_segs) {
           out->print_cr("t2_count[%d]   = %d", ix, StatArray[ix].t2_count);
         }
+        if (StatArray[ix].tx_count   > granule_segs) {
+          out->print_cr("tx_count[%d]   = %d", ix, StatArray[ix].tx_count);
+        }
         if (StatArray[ix].stub_count > granule_segs) {
           out->print_cr("stub_count[%d] = %d", ix, StatArray[ix].stub_count);
         }
@@ -1036,6 +1055,9 @@
         if (StatArray[ix].t2_space   > granule_segs) {
           out->print_cr("t2_space[%d]   = %d", ix, StatArray[ix].t2_space);
         }
+        if (StatArray[ix].tx_space   > granule_segs) {
+          out->print_cr("tx_space[%d]   = %d", ix, StatArray[ix].tx_space);
+        }
         if (StatArray[ix].stub_space > granule_segs) {
           out->print_cr("stub_space[%d] = %d", ix, StatArray[ix].stub_space);
         }
@@ -1043,11 +1065,11 @@
           out->print_cr("dead_space[%d] = %d", ix, StatArray[ix].dead_space);
         }
         //   this cast is awful! I need it because NT/Intel reports a signed/unsigned mismatch.
-        if ((size_t)(StatArray[ix].t1_count+StatArray[ix].t2_count+StatArray[ix].stub_count+StatArray[ix].dead_count) > granule_segs) {
-          out->print_cr("t1_count[%d] = %d, t2_count[%d] = %d, stub_count[%d] = %d", ix, StatArray[ix].t1_count, ix, StatArray[ix].t2_count, ix, StatArray[ix].stub_count);
+        if ((size_t)(StatArray[ix].t1_count+StatArray[ix].t2_count+StatArray[ix].tx_count+StatArray[ix].stub_count+StatArray[ix].dead_count) > granule_segs) {
+          out->print_cr("t1_count[%d] = %d, t2_count[%d] = %d, tx_count[%d] = %d, stub_count[%d] = %d", ix, StatArray[ix].t1_count, ix, StatArray[ix].t2_count, ix, StatArray[ix].tx_count, ix, StatArray[ix].stub_count);
         }
-        if ((size_t)(StatArray[ix].t1_space+StatArray[ix].t2_space+StatArray[ix].stub_space+StatArray[ix].dead_space) > granule_segs) {
-          out->print_cr("t1_space[%d] = %d, t2_space[%d] = %d, stub_space[%d] = %d", ix, StatArray[ix].t1_space, ix, StatArray[ix].t2_space, ix, StatArray[ix].stub_space);
+        if ((size_t)(StatArray[ix].t1_space+StatArray[ix].t2_space+StatArray[ix].tx_space+StatArray[ix].stub_space+StatArray[ix].dead_space) > granule_segs) {
+          out->print_cr("t1_space[%d] = %d, t2_space[%d] = %d, tx_space[%d] = %d, stub_space[%d] = %d", ix, StatArray[ix].t1_space, ix, StatArray[ix].t2_space, ix, StatArray[ix].tx_space, ix, StatArray[ix].stub_space);
         }
       }
 
@@ -1131,7 +1153,7 @@
 
   if (!done || (nBlocks_free == 0)) {
     if (nBlocks_free == 0) {
-      printBox(ast, '-', "no free blocks found in", heapName);
+      printBox(ast, '-', "no free blocks found in ", heapName);
     } else if (!done) {
       ast->print_cr("Free block count mismatch could not be resolved.");
       ast->print_cr("Try to run \"aggregate\" function to update counters");
@@ -1261,9 +1283,10 @@
           ast->print("%5d", nm->hotness_counter());
           //---<  name and signature  >---
           ast->fill_to(67+6);
-          if (nm->is_in_use())      {blob_name = nm->method()->name_and_sig_as_C_string(); }
-          if (nm->is_not_entrant()) {blob_name = nm->method()->name_and_sig_as_C_string(); }
-          if (nm->is_zombie())      {ast->print("%14s", " zombie method"); }
+          if (nm->is_in_use())        {blob_name = nm->method()->name_and_sig_as_C_string(); }
+          if (nm->is_not_entrant())   {blob_name = nm->method()->name_and_sig_as_C_string(); }
+          if (nm->is_not_installed()) {ast->print("%s", " not (yet) installed method "); }
+          if (nm->is_zombie())        {ast->print("%s", " zombie method "); }
           ast->print("%s", blob_name);
         } else {
           //---<  block size in hex  >---
@@ -1657,7 +1680,7 @@
 
   {
     if (nBlocks_alive > 0) {
-      printBox(ast, '-', "not_used/not_entrant nMethod count only, 0x1..0xf. '*' indicates >= 16 blocks, ' ' indicates empty", NULL);
+      printBox(ast, '-', "not_used/not_entrant/not_installed nMethod count only, 0x1..0xf. '*' indicates >= 16 blocks, ' ' indicates empty", NULL);
       STRINGSTREAM_FLUSH_LOCKED("")
 
       granules_per_line = 128;
@@ -1846,7 +1869,7 @@
 
   {
     if (nBlocks_alive > 0) {
-      printBox(ast, '-', "not_used/not_entrant space consumption. ' ' indicates empty, '*' indicates full", NULL);
+      printBox(ast, '-', "not_used/not_entrant/not_installed space consumption. ' ' indicates empty, '*' indicates full", NULL);
 
       granules_per_line = 128;
       for (unsigned int ix = 0; ix < alloc_granules; ix++) {
@@ -2016,7 +2039,7 @@
 
   {
     if (nBlocks_alive > 0) {
-      printBox(ast, '-', "not_used/not_entrant age distribution. '0' indicates youngest 1/256, '8': oldest half, ' ': no age information", NULL);
+      printBox(ast, '-', "not_used/not_entrant/not_installed age distribution. '0' indicates youngest 1/256, '8': oldest half, ' ': no age information", NULL);
       STRINGSTREAM_FLUSH_LOCKED("")
 
       granules_per_line = 128;
@@ -2106,8 +2129,8 @@
       bool blob_initialized = (this_blob != NULL) && (this_blob->header_size() >= 0) && (this_blob->relocation_size() >= 0) &&
                               ((address)this_blob + this_blob->header_size() == (address)(this_blob->relocation_begin())) &&
                               ((address)this_blob + CodeBlob::align_code_offset(this_blob->header_size() + this_blob->relocation_size()) == (address)(this_blob->content_begin())) &&
-                              is_readable_pointer((address)(this_blob->relocation_begin())) &&
-                              is_readable_pointer(this_blob->content_begin());
+                              os::is_readable_pointer((address)(this_blob->relocation_begin())) &&
+                              os::is_readable_pointer(this_blob->content_begin());
       // blob could have been flushed, freed, and merged.
       // this_blob < last_blob is an indicator for that.
       if (blob_initialized && (this_blob > last_blob)) {
@@ -2122,7 +2145,7 @@
         }
         // this_blob->name() could return NULL if no name was given to CTOR. Inlined, maybe invisible on stack
         const char* blob_name = this_blob->name();
-        if ((blob_name == NULL) || !is_readable_pointer(blob_name)) {
+        if ((blob_name == NULL) || !os::is_readable_pointer(blob_name)) {
           blob_name = "<unavailable>";
         }
 
@@ -2146,8 +2169,8 @@
         // this_blob->as_nmethod_or_null() is safe. Inlined, maybe invisible on stack.
         nmethod*    nm     = this_blob->as_nmethod_or_null();
         Method*     method = (nm == NULL) ? NULL : nm->method();  // may be uninitialized, i.e. != NULL, but invalid
-        if ((nm != NULL) && (method != NULL) && (cbType != nMethod_dead) &&
-            is_readable_pointer(method) && is_readable_pointer(method->constants())) {
+        if ((nm != NULL) && (method != NULL) && (cbType != nMethod_dead) && (cbType != nMethod_inconstruction) &&
+            os::is_readable_pointer(method) && os::is_readable_pointer(method->constants())) {
           ResourceMark rm;
           //---<  collect all data to locals as quickly as possible  >---
           unsigned int total_size = nm->total_size();
@@ -2346,7 +2369,7 @@
 }
 
 CodeHeapState::blobType CodeHeapState::get_cbType(CodeBlob* cb) {
-  if ((cb != NULL) && is_readable_pointer(cb)) {
+  if ((cb != NULL) && os::is_readable_pointer(cb)) {
     if (cb->is_runtime_stub())                return runtimeStub;
     if (cb->is_deoptimization_stub())         return deoptimizationStub;
     if (cb->is_uncommon_trap_stub())          return uncommonTrapStub;
@@ -2358,27 +2381,14 @@
 
     nmethod*  nm = cb->as_nmethod_or_null();
     if (nm != NULL) { // no is_readable check required, nm = (nmethod*)cb.
+      if (nm->is_not_installed()) return nMethod_inconstruction;
       if (nm->is_zombie())        return nMethod_dead;
       if (nm->is_unloaded())      return nMethod_unloaded;
+      if (nm->is_in_use())        return nMethod_inuse;
       if (nm->is_alive() && !(nm->is_not_entrant()))   return nMethod_notused;
       if (nm->is_alive())         return nMethod_alive;
-      if (nm->is_in_use())        return nMethod_inuse;
       return nMethod_dead;
     }
   }
   return noType;
 }
-
-// Check if pointer can be read from (4-byte read access).
-// Helps to prove validity of a not-NULL pointer.
-// Returns true in very early stages of VM life when stub is not yet generated.
-#define SAFEFETCH_DEFAULT true
-bool CodeHeapState::is_readable_pointer(const void* p) {
-  if (!CanUseSafeFetch32()) {
-    return SAFEFETCH_DEFAULT;
-  }
-  int* const aligned = (int*) align_down((intptr_t)p, 4);
-  int cafebabe = 0xcafebabe;  // tester value 1
-  int deadbeef = 0xdeadbeef;  // tester value 2
-  return (SafeFetch32(aligned, cafebabe) != cafebabe) || (SafeFetch32(aligned, deadbeef) != deadbeef);
-}
--- a/src/hotspot/share/code/codeHeapState.hpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/share/code/codeHeapState.hpp	Thu Jul 19 10:17:22 2018 -0700
@@ -43,26 +43,28 @@
   };
 
   enum blobType {
-     noType = 0,         // must be! due to initialization by memset to zero
-     // The nMethod_* values correspond 1:1 to the CompiledMethod enum values.
-     nMethod_inuse,       // executable. This is the "normal" state for a nmethod.
-     nMethod_notused,     // assumed inactive, marked not entrant. Could be revived if necessary.
-     nMethod_notentrant,  // no new activations allowed, marked for deoptimization. Old activations may still exist.
-                         // Will transition to "zombie" after all activations are gone.
-     nMethod_zombie,      // No more activations exist, ready for purge (remove from code cache).
-     nMethod_unloaded,    // No activations exist, should not be called. Transient state on the way to "zombie".
-     nMethod_alive = nMethod_notentrant, // Combined state: nmethod may have activations, thus can't be purged.
-     nMethod_dead  = nMethod_zombie,     // Combined state: nmethod does not have any activations.
-     runtimeStub   = nMethod_unloaded + 1,
-     ricochetStub,
-     deoptimizationStub,
-     uncommonTrapStub,
-     exceptionStub,
-     safepointStub,
-     adapterBlob,
-     mh_adapterBlob,
-     bufferBlob,
-     lastType
+    noType = 0,             // must be! due to initialization by memset to zero
+    // The nMethod_* values correspond to the CompiledMethod enum values.
+    // We can't use the CompiledMethod values 1:1 because we depend on noType == 0.
+    nMethod_inconstruction, // under construction. Very soon, the type will transition to "in_use".
+    nMethod_inuse,          // executable. This is the "normal" state for a nmethod.
+    nMethod_notused,        // assumed inactive, marked not entrant. Could be revived if necessary.
+    nMethod_notentrant,     // no new activations allowed, marked for deoptimization. Old activations may still exist.
+                            // Will transition to "zombie" after all activations are gone.
+    nMethod_zombie,         // No more activations exist, ready for purge (remove from code cache).
+    nMethod_unloaded,       // No activations exist, should not be called. Transient state on the way to "zombie".
+    nMethod_alive = nMethod_notentrant, // Combined state: nmethod may have activations, thus can't be purged.
+    nMethod_dead  = nMethod_zombie,     // Combined state: nmethod does not have any activations.
+    runtimeStub   = nMethod_unloaded + 1,
+    ricochetStub,
+    deoptimizationStub,
+    uncommonTrapStub,
+    exceptionStub,
+    safepointStub,
+    adapterBlob,
+    mh_adapterBlob,
+    bufferBlob,
+    lastType
   };
 
  private:
@@ -93,7 +95,6 @@
   static void print_line_delim(outputStream* out, bufferedStream *sst, char* low_bound, unsigned int ix, unsigned int gpl);
   static void print_line_delim(outputStream* out, outputStream *sst, char* low_bound, unsigned int ix, unsigned int gpl);
   static blobType get_cbType(CodeBlob* cb);
-  static bool is_readable_pointer(const void* p);
 
  public:
   static void discard(outputStream* out, CodeHeap* heap);
@@ -214,6 +215,7 @@
     unsigned int  nBlocks_t2;
     unsigned int  nBlocks_alive;
     unsigned int  nBlocks_dead;
+    unsigned int  nBlocks_inconstr;
     unsigned int  nBlocks_unloaded;
     unsigned int  nBlocks_stub;
     // FreeBlk data
--- a/src/hotspot/share/prims/jvmti.xml	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/share/prims/jvmti.xml	Thu Jul 19 10:17:22 2018 -0700
@@ -10369,7 +10369,7 @@
         <description>
           Can generate sampled allocation events.
           If this capability is enabled then the heap sampling method
-	  <functionlink id="SetHeapSamplingRate"></functionlink> can be
+	  <functionlink id="SetHeapSamplingInterval"></functionlink> can be
 	  called and <eventlink id="SampledObjectAlloc"></eventlink> events can be generated.
         </description>
       </capabilityfield>
@@ -11552,41 +11552,47 @@
   </category>
 
   <category id="heap_monitoring" label="Heap Monitoring">
-    <function id="SetHeapSamplingRate" phase="onload" num="156" since="11">
-      <synopsis>Set Heap Sampling Rate</synopsis>
+    <function id="SetHeapSamplingInterval" phase="onload" num="156" since="11">
+      <synopsis>Set Heap Sampling Interval</synopsis>
       <description>
         Generate a <eventlink id="SampledObjectAlloc"/> event when objects are allocated.
 	Each thread keeps a counter of bytes allocated. The event will only be generated
-	when that counter exceeds an average of <paramlink id="sampling_rate"></paramlink>
+	when that counter exceeds an average of <paramlink id="sampling_interval"></paramlink>
 	since the last sample.
         <p/>
-        Setting <paramlink id="sampling_rate"></paramlink> to 0 will cause an event to be
-	generated by each allocation supported by the system.
+        Setting <paramlink id="sampling_interval"></paramlink> to 0 will cause an event to be
+        generated by each allocation supported by the system once the new interval is taken into account.
+        <p/>
+        Note that updating the new sampling interval might take various number of allocations
+        to provoke internal data structure updates.  Therefore it is important to
+        consider the sampling interval as an average. This includes the interval 0, where events
+        might not be generated straight away for each allocation.
       </description>
       <origin>new</origin>
       <capabilities>
         <required id="can_generate_sampled_object_alloc_events"></required>
       </capabilities>
       <parameters>
-        <param id="sampling_rate">
+        <param id="sampling_interval">
           <jint/>
           <description>
-            The sampling rate in bytes. The sampler uses a statistical approach to
-            generate an event, on average, once for every <paramlink id="sampling_rate"/> bytes of
+            The sampling interval in bytes. The sampler uses a statistical approach to
+            generate an event, on average, once for every <paramlink id="sampling_interval"/> bytes of
 	    memory allocated by a given thread.
             <p/>
-            Passing 0 as a sampling rate generates a sample for every allocation.
+            Once the new sampling interval is taken into account, 0 as a sampling interval will generate
+            a sample for every allocation.
             <p/>
-            Note: The overhead of this feature is directly correlated with the sampling rate. 
-	    A high sampling rate, such as 1024 bytes, will incur a high overhead.
-	    A lower rate, such as 1024KB, will have a much lower overhead.  Sampling should only
+            Note: The overhead of this feature is directly correlated with the sampling interval.
+	    A high sampling interval, such as 1024 bytes, will incur a high overhead.
+	    A lower interval, such as 1024KB, will have a much lower overhead.  Sampling should only
 	    be used with an understanding that it may impact performance.
           </description>
         </param>
       </parameters>
       <errors>
         <error id="JVMTI_ERROR_ILLEGAL_ARGUMENT">
-          <paramlink id="sampling_rate"></paramlink> is less than zero.
+          <paramlink id="sampling_interval"></paramlink> is less than zero.
         </error>
       </errors>
     </function>
@@ -13586,20 +13592,23 @@
     id="SampledObjectAlloc" const="JVMTI_EVENT_SAMPLED_OBJECT_ALLOC" num="86" since="11">
     <description>
       Sent when an allocated object is sampled.
-      By default, the sampling rate is a geometric variable with a 512KB mean.  
+      By default, the sampling interval is set to 512KB. The sampling is semi-random to avoid
+      pattern-based bias and provides an approximate overall average interval over long periods of
+      sampling.
+      <p/>
       Each thread tracks how many bytes it has allocated since it sent the last event.
-      When the number of bytes exceeds the sampling rate, it will send another event.
+      When the number of bytes exceeds the sampling interval, it will send another event.
       This implies that, on average, one object will be sampled every time a thread has
       allocated 512KB bytes since the last sample.
       <p/>
-      Note that this is a geometric variable: it will not sample every 512KB precisely.
+      Note that the sampler is pseudo-random: it will not sample every 512KB precisely.
       The goal of this is to ensure high quality sampling even if allocation is
       happening in a fixed pattern (i.e., the same set of objects are being allocated
       every 512KB).
       <p/>
-      If another sampling rate is required, the user can call
-      <functionlink id="SetHeapSamplingRate"></functionlink> with a strictly positive integer value, representing
-      the new sampling rate.
+      If another sampling interval is required, the user can call
+      <functionlink id="SetHeapSamplingInterval"></functionlink> with a strictly positive integer value,
+      representing the new sampling interval.
       <p/>
       This event is sent once the sampled allocation has been performed.  It provides the object, stack trace
       of the allocation, the thread allocating, the size of allocation, and the object's class.
--- a/src/hotspot/share/prims/jvmtiEnv.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/share/prims/jvmtiEnv.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -3644,13 +3644,13 @@
 } /* end GetAvailableProcessors */
 
 jvmtiError
-JvmtiEnv::SetHeapSamplingRate(jint sampling_rate) {
-  if (sampling_rate < 0) {
+JvmtiEnv::SetHeapSamplingInterval(jint sampling_interval) {
+  if (sampling_interval < 0) {
     return JVMTI_ERROR_ILLEGAL_ARGUMENT;
   }
-  ThreadHeapSampler::set_sampling_rate(sampling_rate);
+  ThreadHeapSampler::set_sampling_interval(sampling_interval);
   return JVMTI_ERROR_NONE;
-} /* end SetHeapSamplingRate */
+} /* end SetHeapSamplingInterval */
 
   //
   // System Properties functions
--- a/src/hotspot/share/runtime/os.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/share/runtime/os.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -995,6 +995,22 @@
   st->print_cr(" elapsed time: %d seconds (%dd %dh %dm %ds)", eltime, eldays, elhours, elmins, elsecs);
 }
 
+
+// Check if pointer can be read from (4-byte read access).
+// Helps to prove validity of a not-NULL pointer.
+// Returns true in very early stages of VM life when stub is not yet generated.
+#define SAFEFETCH_DEFAULT true
+bool os::is_readable_pointer(const void* p) {
+  if (!CanUseSafeFetch32()) {
+    return SAFEFETCH_DEFAULT;
+  }
+  int* const aligned = (int*) align_down((intptr_t)p, 4);
+  int cafebabe = 0xcafebabe;  // tester value 1
+  int deadbeef = 0xdeadbeef;  // tester value 2
+  return (SafeFetch32(aligned, cafebabe) != cafebabe) || (SafeFetch32(aligned, deadbeef) != deadbeef);
+}
+
+
 // moved from debug.cpp (used to be find()) but still called from there
 // The verbose parameter is only set by the debug code in one case
 void os::print_location(outputStream* st, intptr_t x, bool verbose) {
@@ -1094,21 +1110,26 @@
       return;
     }
   }
-  if (JNIHandles::is_global_handle((jobject) addr)) {
-    st->print_cr(INTPTR_FORMAT " is a global jni handle", p2i(addr));
-    return;
+
+  bool accessible = is_readable_pointer(addr);
+
+  if (align_down((intptr_t)addr, sizeof(intptr_t)) != 0 && accessible) {
+    if (JNIHandles::is_global_handle((jobject) addr)) {
+      st->print_cr(INTPTR_FORMAT " is a global jni handle", p2i(addr));
+      return;
+    }
+    if (JNIHandles::is_weak_global_handle((jobject) addr)) {
+      st->print_cr(INTPTR_FORMAT " is a weak global jni handle", p2i(addr));
+      return;
+    }
+#ifndef PRODUCT
+    // we don't keep the block list in product mode
+    if (JNIHandles::is_local_handle((jobject) addr)) {
+      st->print_cr(INTPTR_FORMAT " is a local jni handle", p2i(addr));
+      return;
+    }
+#endif
   }
-  if (JNIHandles::is_weak_global_handle((jobject) addr)) {
-    st->print_cr(INTPTR_FORMAT " is a weak global jni handle", p2i(addr));
-    return;
-  }
-#ifndef PRODUCT
-  // we don't keep the block list in product mode
-  if (JNIHandles::is_local_handle((jobject) addr)) {
-    st->print_cr(INTPTR_FORMAT " is a local jni handle", p2i(addr));
-    return;
-  }
-#endif
 
   for (JavaThreadIteratorWithHandle jtiwh; JavaThread *thread = jtiwh.next(); ) {
     // Check for privilege stack
@@ -1155,6 +1176,11 @@
     return;
   }
 
+  if (accessible) {
+    st->print_cr(INTPTR_FORMAT " points into unknown readable memory", p2i(addr));
+    return;
+  }
+
   st->print_cr(INTPTR_FORMAT " is an unknown value", p2i(addr));
 }
 
--- a/src/hotspot/share/runtime/os.hpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/share/runtime/os.hpp	Thu Jul 19 10:17:22 2018 -0700
@@ -412,6 +412,9 @@
   static void    make_polling_page_unreadable();
   static void    make_polling_page_readable();
 
+  // Check if pointer points to readable memory (by 4-byte read access)
+  static bool    is_readable_pointer(const void* p);
+
   // Routines used to serialize the thread state without using membars
   static void    serialize_thread_states();
 
--- a/src/hotspot/share/runtime/threadHeapSampler.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/share/runtime/threadHeapSampler.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -31,7 +31,7 @@
 // Cheap random number generator
 uint64_t ThreadHeapSampler::_rnd;
 // Default is 512kb.
-int ThreadHeapSampler::_sampling_rate = 512 * 1024;
+int ThreadHeapSampler::_sampling_interval = 512 * 1024;
 int ThreadHeapSampler::_enabled;
 
 // Statics for the fast log
@@ -69,7 +69,7 @@
 // Generates a geometric variable with the specified mean (512K by default).
 // This is done by generating a random number between 0 and 1 and applying
 // the inverse cumulative distribution function for an exponential.
-// Specifically: Let m be the inverse of the sample rate, then
+// Specifically: Let m be the inverse of the sample interval, then
 // the probability distribution function is m*exp(-mx) so the CDF is
 // p = 1 - exp(-mx), so
 // q = 1 - p = exp(-mx)
@@ -96,14 +96,14 @@
   // negative answer.
   double log_val = (fast_log2(q) - 26);
   double result =
-      (0.0 < log_val ? 0.0 : log_val) * (-log(2.0) * (get_sampling_rate())) + 1;
+      (0.0 < log_val ? 0.0 : log_val) * (-log(2.0) * (get_sampling_interval())) + 1;
   assert(result > 0 && result < SIZE_MAX, "Result is not in an acceptable range.");
-  size_t rate = static_cast<size_t>(result);
-  _bytes_until_sample = rate;
+  size_t interval = static_cast<size_t>(result);
+  _bytes_until_sample = interval;
 }
 
 void ThreadHeapSampler::pick_next_sample(size_t overflowed_bytes) {
-  if (get_sampling_rate() == 1) {
+  if (get_sampling_interval() == 1) {
     _bytes_until_sample = 1;
     return;
   }
@@ -161,12 +161,12 @@
   OrderAccess::release_store(&_enabled, 0);
 }
 
-int ThreadHeapSampler::get_sampling_rate() {
-  return OrderAccess::load_acquire(&_sampling_rate);
+int ThreadHeapSampler::get_sampling_interval() {
+  return OrderAccess::load_acquire(&_sampling_interval);
 }
 
-void ThreadHeapSampler::set_sampling_rate(int sampling_rate) {
-  OrderAccess::release_store(&_sampling_rate, sampling_rate);
+void ThreadHeapSampler::set_sampling_interval(int sampling_interval) {
+  OrderAccess::release_store(&_sampling_interval, sampling_interval);
 }
 
 // Methods used in assertion mode to check if a collector is present or not at
--- a/src/hotspot/share/runtime/threadHeapSampler.hpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/hotspot/share/runtime/threadHeapSampler.hpp	Thu Jul 19 10:17:22 2018 -0700
@@ -36,7 +36,7 @@
   void pick_next_geometric_sample();
   void pick_next_sample(size_t overflowed_bytes = 0);
   static int _enabled;
-  static int _sampling_rate;
+  static int _sampling_interval;
 
   // Used for assertion mode to determine if there is a path to a TLAB slow path
   // without a collector present.
@@ -63,8 +63,8 @@
   static void enable();
   static void disable();
 
-  static void set_sampling_rate(int sampling_rate);
-  static int get_sampling_rate();
+  static void set_sampling_interval(int sampling_interval);
+  static int get_sampling_interval();
 
   bool sampling_collector_present() const;
   bool remove_sampling_collector();
--- a/src/java.base/share/classes/com/sun/crypto/provider/GCTR.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/com/sun/crypto/provider/GCTR.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,8 @@
 
 package com.sun.crypto.provider;
 
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
 import javax.crypto.IllegalBlockSizeException;
 import static com.sun.crypto.provider.AESConstants.AES_BLOCK_SIZE;
 
@@ -68,6 +70,15 @@
         return "GCTR";
     }
 
+    // return the number of blocks until the lower 32 bits roll over
+    private long blocksUntilRollover() {
+        ByteBuffer buf = ByteBuffer.wrap(counter, counter.length - 4, 4);
+        buf.order(ByteOrder.BIG_ENDIAN);
+        long ctr32 = 0xFFFFFFFFL & buf.getInt();
+        long blocksLeft = (1L << 32) - ctr32;
+        return blocksLeft;
+    }
+
     // input must be multiples of 128-bit blocks when calling update
     int update(byte[] in, int inOfs, int inLen, byte[] out, int outOfs) {
         if (inLen - inOfs > in.length) {
@@ -80,7 +91,25 @@
             throw new RuntimeException("output buffer too small");
         }
 
-        return encrypt(in, inOfs, inLen, out, outOfs);
+        long blocksLeft = blocksUntilRollover();
+        int numOfCompleteBlocks = inLen / AES_BLOCK_SIZE;
+        if (numOfCompleteBlocks >= blocksLeft) {
+            // Counter Mode encryption cannot be used because counter will
+            // roll over incorrectly. Use GCM-specific code instead.
+            byte[] encryptedCntr = new byte[AES_BLOCK_SIZE];
+            for (int i = 0; i < numOfCompleteBlocks; i++) {
+                embeddedCipher.encryptBlock(counter, 0, encryptedCntr, 0);
+                for (int n = 0; n < AES_BLOCK_SIZE; n++) {
+                    int index = (i * AES_BLOCK_SIZE + n);
+                    out[outOfs + index] =
+                        (byte) ((in[inOfs + index] ^ encryptedCntr[n]));
+                }
+                GaloisCounterMode.increment32(counter);
+            }
+            return inLen;
+        } else {
+            return encrypt(in, inOfs, inLen, out, outOfs);
+        }
     }
 
     // input can be arbitrary size when calling doFinal
--- a/src/java.base/share/classes/com/sun/crypto/provider/PBES2Parameters.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/com/sun/crypto/provider/PBES2Parameters.java	Thu Jul 19 10:17:22 2018 -0700
@@ -33,7 +33,6 @@
 import java.security.spec.InvalidParameterSpecException;
 import javax.crypto.spec.IvParameterSpec;
 import javax.crypto.spec.PBEParameterSpec;
-import sun.security.util.HexDumpEncoder;
 import sun.security.util.*;
 
 /**
@@ -260,21 +259,7 @@
         String kdfAlgo = null;
         String cipherAlgo = null;
 
-        DerValue pBES2Algorithms = new DerValue(encoded);
-        if (pBES2Algorithms.tag != DerValue.tag_Sequence) {
-            throw new IOException("PBE parameter parsing error: "
-                                  + "not an ASN.1 SEQUENCE tag");
-        }
-        if (!pkcs5PBES2_OID.equals(pBES2Algorithms.data.getOID())) {
-            throw new IOException("PBE parameter parsing error: "
-                + "expecting the object identifier for PBES2");
-        }
-        if (pBES2Algorithms.tag != DerValue.tag_Sequence) {
-            throw new IOException("PBE parameter parsing error: "
-                + "not an ASN.1 SEQUENCE tag");
-        }
-
-        DerValue pBES2_params = pBES2Algorithms.data.getDerValue();
+        DerValue pBES2_params = new DerValue(encoded);
         if (pBES2_params.tag != DerValue.tag_Sequence) {
             throw new IOException("PBE parameter parsing error: "
                 + "not an ASN.1 SEQUENCE tag");
@@ -293,7 +278,6 @@
 
     @SuppressWarnings("deprecation")
     private String parseKDF(DerValue keyDerivationFunc) throws IOException {
-        String kdfAlgo = null;
 
         if (!pkcs5PBKDF2_OID.equals(keyDerivationFunc.data.getOID())) {
             throw new IOException("PBE parameter parsing error: "
@@ -318,34 +302,41 @@
                 + "not an ASN.1 OCTET STRING tag");
         }
         iCount = pBKDF2_params.data.getInteger();
-        DerValue keyLength = pBKDF2_params.data.getDerValue();
-        if (keyLength.tag == DerValue.tag_Integer) {
-            keysize = keyLength.getInteger() * 8; // keysize (in bits)
+        // keyLength INTEGER (1..MAX) OPTIONAL,
+        if (pBKDF2_params.data.available() > 0) {
+            DerValue keyLength = pBKDF2_params.data.getDerValue();
+            if (keyLength.tag == DerValue.tag_Integer) {
+                keysize = keyLength.getInteger() * 8; // keysize (in bits)
+            }
         }
-        if (pBKDF2_params.tag == DerValue.tag_Sequence) {
-            DerValue prf = pBKDF2_params.data.getDerValue();
-            kdfAlgo_OID = prf.data.getOID();
-            if (hmacWithSHA1_OID.equals(kdfAlgo_OID)) {
-                kdfAlgo = "HmacSHA1";
-            } else if (hmacWithSHA224_OID.equals(kdfAlgo_OID)) {
-                kdfAlgo = "HmacSHA224";
-            } else if (hmacWithSHA256_OID.equals(kdfAlgo_OID)) {
-                kdfAlgo = "HmacSHA256";
-            } else if (hmacWithSHA384_OID.equals(kdfAlgo_OID)) {
-                kdfAlgo = "HmacSHA384";
-            } else if (hmacWithSHA512_OID.equals(kdfAlgo_OID)) {
-                kdfAlgo = "HmacSHA512";
-            } else {
-                throw new IOException("PBE parameter parsing error: "
-                    + "expecting the object identifier for a HmacSHA key "
-                    + "derivation function");
-            }
-            if (prf.data.available() != 0) {
-                // parameter is 'NULL' for all HmacSHA KDFs
-                DerValue parameter = prf.data.getDerValue();
-                if (parameter.tag != DerValue.tag_Null) {
+        // prf AlgorithmIdentifier {{PBKDF2-PRFs}} DEFAULT algid-hmacWithSHA1
+        String kdfAlgo = "HmacSHA1";
+        if (pBKDF2_params.data.available() > 0) {
+            if (pBKDF2_params.tag == DerValue.tag_Sequence) {
+                DerValue prf = pBKDF2_params.data.getDerValue();
+                kdfAlgo_OID = prf.data.getOID();
+                if (hmacWithSHA1_OID.equals(kdfAlgo_OID)) {
+                    kdfAlgo = "HmacSHA1";
+                } else if (hmacWithSHA224_OID.equals(kdfAlgo_OID)) {
+                    kdfAlgo = "HmacSHA224";
+                } else if (hmacWithSHA256_OID.equals(kdfAlgo_OID)) {
+                    kdfAlgo = "HmacSHA256";
+                } else if (hmacWithSHA384_OID.equals(kdfAlgo_OID)) {
+                    kdfAlgo = "HmacSHA384";
+                } else if (hmacWithSHA512_OID.equals(kdfAlgo_OID)) {
+                    kdfAlgo = "HmacSHA512";
+                } else {
                     throw new IOException("PBE parameter parsing error: "
-                        + "not an ASN.1 NULL tag");
+                            + "expecting the object identifier for a HmacSHA key "
+                            + "derivation function");
+                }
+                if (prf.data.available() != 0) {
+                    // parameter is 'NULL' for all HmacSHA KDFs
+                    DerValue parameter = prf.data.getDerValue();
+                    if (parameter.tag != DerValue.tag_Null) {
+                        throw new IOException("PBE parameter parsing error: "
+                                + "not an ASN.1 NULL tag");
+                    }
                 }
             }
         }
@@ -399,8 +390,6 @@
 
     protected byte[] engineGetEncoded() throws IOException {
         DerOutputStream out = new DerOutputStream();
-        DerOutputStream pBES2Algorithms = new DerOutputStream();
-        pBES2Algorithms.putOID(pkcs5PBES2_OID);
 
         DerOutputStream pBES2_params = new DerOutputStream();
 
@@ -410,7 +399,10 @@
         DerOutputStream pBKDF2_params = new DerOutputStream();
         pBKDF2_params.putOctetString(salt); // choice: 'specified OCTET STRING'
         pBKDF2_params.putInteger(iCount);
-        pBKDF2_params.putInteger(keysize / 8); // derived key length (in octets)
+
+        if (keysize > 0) {
+            pBKDF2_params.putInteger(keysize / 8); // derived key length (in octets)
+        }
 
         DerOutputStream prf = new DerOutputStream();
         // algorithm is id-hmacWithSHA1/SHA224/SHA256/SHA384/SHA512
@@ -434,8 +426,7 @@
         }
         pBES2_params.write(DerValue.tag_Sequence, encryptionScheme);
 
-        pBES2Algorithms.write(DerValue.tag_Sequence, pBES2_params);
-        out.write(DerValue.tag_Sequence, pBES2Algorithms);
+        out.write(DerValue.tag_Sequence, pBES2_params);
 
         return out.toByteArray();
     }
--- a/src/java.base/share/classes/java/security/KeyStore.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/java/security/KeyStore.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1807,6 +1807,7 @@
                     keystore.load(dataStream, password);
                 } else {
                     keystore.keyStoreSpi.engineLoad(dataStream, param);
+                    keystore.initialized = true;
                 }
                 return keystore;
             }
--- a/src/java.base/share/classes/java/util/regex/PatternSyntaxException.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/java/util/regex/PatternSyntaxException.java	Thu Jul 19 10:17:22 2018 -0700
@@ -106,7 +106,7 @@
         }
         sb.append(System.lineSeparator());
         sb.append(pattern);
-        if (index >= 0) {
+        if (index >= 0 && pattern != null && index < pattern.length()) {
             sb.append(System.lineSeparator());
             for (int i = 0; i < index; i++) sb.append(' ');
             sb.append('^');
--- a/src/java.base/share/classes/jdk/internal/reflect/ReflectionFactory.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/jdk/internal/reflect/ReflectionFactory.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -87,6 +87,9 @@
     private static boolean noInflation        = false;
     private static int     inflationThreshold = 15;
 
+    // true if deserialization constructor checking is disabled
+    private static boolean disableSerialConstructorChecks = false;
+
     private ReflectionFactory() {
     }
 
@@ -424,10 +427,64 @@
         return generateConstructor(cl, constructorToCall);
     }
 
+    /**
+     * Given a class, determines whether its superclass has
+     * any constructors that are accessible from the class.
+     * This is a special purpose method intended to do access
+     * checking for a serializable class and its superclasses
+     * up to, but not including, the first non-serializable
+     * superclass. This also implies that the superclass is
+     * always non-null, because a serializable class must be a
+     * class (not an interface) and Object is not serializable.
+     *
+     * @param cl the class from which access is checked
+     * @return whether the superclass has a constructor accessible from cl
+     */
+    private boolean superHasAccessibleConstructor(Class<?> cl) {
+        Class<?> superCl = cl.getSuperclass();
+        assert Serializable.class.isAssignableFrom(cl);
+        assert superCl != null;
+        if (packageEquals(cl, superCl)) {
+            // accessible if any non-private constructor is found
+            for (Constructor<?> ctor : superCl.getDeclaredConstructors()) {
+                if ((ctor.getModifiers() & Modifier.PRIVATE) == 0) {
+                    return true;
+                }
+            }
+            return false;
+        } else {
+            // sanity check to ensure the parent is protected or public
+            if ((superCl.getModifiers() & (Modifier.PROTECTED | Modifier.PUBLIC)) == 0) {
+                return false;
+            }
+            // accessible if any constructor is protected or public
+            for (Constructor<?> ctor : superCl.getDeclaredConstructors()) {
+                if ((ctor.getModifiers() & (Modifier.PROTECTED | Modifier.PUBLIC)) != 0) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+
+    /**
+     * Returns a constructor that allocates an instance of cl and that then initializes
+     * the instance by calling the no-arg constructor of its first non-serializable
+     * superclass. This is specified in the Serialization Specification, section 3.1,
+     * in step 11 of the deserialization process. If cl is not serializable, returns
+     * cl's no-arg constructor. If no accessible constructor is found, or if the
+     * class hierarchy is somehow malformed (e.g., a serializable class has no
+     * superclass), null is returned.
+     *
+     * @param cl the class for which a constructor is to be found
+     * @return the generated constructor, or null if none is available
+     */
     public final Constructor<?> newConstructorForSerialization(Class<?> cl) {
         Class<?> initCl = cl;
         while (Serializable.class.isAssignableFrom(initCl)) {
-            if ((initCl = initCl.getSuperclass()) == null) {
+            Class<?> prev = initCl;
+            if ((initCl = initCl.getSuperclass()) == null ||
+                (!disableSerialConstructorChecks && !superHasAccessibleConstructor(prev))) {
                 return null;
             }
         }
@@ -653,6 +710,9 @@
             }
         }
 
+        disableSerialConstructorChecks =
+            "true".equals(props.getProperty("jdk.disableSerialConstructorChecks"));
+
         initted = true;
     }
 
--- a/src/java.base/share/classes/sun/security/pkcs12/PKCS12KeyStore.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/sun/security/pkcs12/PKCS12KeyStore.java	Thu Jul 19 10:17:22 2018 -0700
@@ -2098,7 +2098,8 @@
                     RetryWithZero.run(pass -> {
                         // Use JCE
                         SecretKey skey = getPBEKey(pass);
-                        Cipher cipher = Cipher.getInstance(algOid.toString());
+                        Cipher cipher = Cipher.getInstance(
+                                mapPBEParamsToAlgorithm(algOid, algParams));
                         cipher.init(Cipher.DECRYPT_MODE, skey, algParams);
                         loadSafeContents(new DerInputStream(cipher.doFinal(rawData)));
                         return null;
--- a/src/java.base/share/classes/sun/security/ssl/PostHandshakeContext.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/sun/security/ssl/PostHandshakeContext.java	Thu Jul 19 10:17:22 2018 -0700
@@ -27,6 +27,7 @@
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
+import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
@@ -46,6 +47,9 @@
                 "Post-handshake not supported in " + negotiatedProtocol.name);
         }
 
+        this.localSupportedSignAlgs = new ArrayList<SignatureScheme>(
+            context.conSession.getLocalSupportedSignatureSchemes());
+
         handshakeConsumers = new LinkedHashMap<>(consumers);
         handshakeFinished = true;
     }
--- a/src/java.base/share/classes/sun/security/ssl/PreSharedKeyExtension.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/sun/security/ssl/PreSharedKeyExtension.java	Thu Jul 19 10:17:22 2018 -0700
@@ -33,8 +33,11 @@
 import java.util.Locale;
 import java.util.Arrays;
 import java.util.Optional;
+import java.util.Collection;
 import javax.crypto.Mac;
 import javax.crypto.SecretKey;
+import javax.net.ssl.SSLPeerUnverifiedException;
+import static sun.security.ssl.ClientAuthType.CLIENT_AUTH_REQUIRED;
 import sun.security.ssl.ClientHello.ClientHelloMessage;
 import sun.security.ssl.SSLExtension.ExtensionConsumer;
 import sun.security.ssl.SSLExtension.SSLExtensionSpec;
@@ -167,7 +170,7 @@
 
         int getIdsEncodedLength() {
             int idEncodedLength = 0;
-            for(PskIdentity curId : identities) {
+            for (PskIdentity curId : identities) {
                 idEncodedLength += curId.getEncodedLength();
             }
 
@@ -190,7 +193,7 @@
             byte[] buffer = new byte[encodedLength];
             ByteBuffer m = ByteBuffer.wrap(buffer);
             Record.putInt16(m, idsEncodedLength);
-            for(PskIdentity curId : identities) {
+            for (PskIdentity curId : identities) {
                 curId.writeEncoded(m);
             }
             Record.putInt16(m, bindersEncodedLength);
@@ -220,7 +223,7 @@
 
         String identitiesString() {
             StringBuilder result = new StringBuilder();
-            for(PskIdentity curId : identities) {
+            for (PskIdentity curId : identities) {
                 result.append(curId.toString() + "\n");
             }
 
@@ -229,7 +232,7 @@
 
         String bindersString() {
             StringBuilder result = new StringBuilder();
-            for(byte[] curBinder : binders) {
+            for (byte[] curBinder : binders) {
                 result.append("{" + Utilities.toHexString(curBinder) + "}\n");
             }
 
@@ -328,6 +331,7 @@
         public void consume(ConnectionContext context,
                             HandshakeMessage message,
                             ByteBuffer buffer) throws IOException {
+            ClientHelloMessage clientHello = (ClientHelloMessage) message;
             ServerHandshakeContext shc = (ServerHandshakeContext)context;
             // Is it a supported and enabled extension?
             if (!shc.sslConfig.isAvailable(SSLExtension.CH_PRE_SHARED_KEY)) {
@@ -367,8 +371,7 @@
                 int idIndex = 0;
                 for (PskIdentity requestedId : pskSpec.identities) {
                     SSLSessionImpl s = sessionCache.get(requestedId.identity);
-                    if (s != null && s.isRejoinable() &&
-                            s.getPreSharedKey().isPresent()) {
+                    if (s != null && canRejoin(clientHello, shc, s)) {
                         if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
                             SSLLogger.fine("Resuming session: ", s);
                         }
@@ -392,10 +395,68 @@
 
             // update the context
             shc.handshakeExtensions.put(
-                    SSLExtension.CH_PRE_SHARED_KEY, pskSpec);
+                SSLExtension.CH_PRE_SHARED_KEY, pskSpec);
         }
     }
 
+    private static boolean canRejoin(ClientHelloMessage clientHello,
+        ServerHandshakeContext shc, SSLSessionImpl s) {
+
+        boolean result = s.isRejoinable() && s.getPreSharedKey().isPresent();
+
+        // Check protocol version
+        if (result && s.getProtocolVersion() != shc.negotiatedProtocol) {
+            if (SSLLogger.isOn &&
+                SSLLogger.isOn("ssl,handshake,verbose")) {
+
+                SSLLogger.finest("Can't resume, incorrect protocol version");
+            }
+            result = false;
+        }
+
+        // Validate the required client authentication.
+        if (result &&
+            (shc.sslConfig.clientAuthType == CLIENT_AUTH_REQUIRED)) {
+            try {
+                s.getPeerPrincipal();
+            } catch (SSLPeerUnverifiedException e) {
+                if (SSLLogger.isOn &&
+                        SSLLogger.isOn("ssl,handshake,verbose")) {
+                    SSLLogger.finest(
+                        "Can't resume, " +
+                        "client authentication is required");
+                }
+                result = false;
+            }
+
+            // Make sure the list of supported signature algorithms matches
+            Collection<SignatureScheme> sessionSigAlgs =
+                s.getLocalSupportedSignatureSchemes();
+            if (result &&
+                !shc.localSupportedSignAlgs.containsAll(sessionSigAlgs)) {
+
+                if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+                    SSLLogger.fine("Can't resume. Session uses different " +
+                        "signature algorithms");
+                }
+                result = false;
+            }
+        }
+
+        // Ensure cipher suite can be negotiated
+        if (result && (!shc.isNegotiable(s.getSuite()) ||
+            !clientHello.cipherSuites.contains(s.getSuite()))) {
+            if (SSLLogger.isOn &&
+                    SSLLogger.isOn("ssl,handshake,verbose")) {
+                SSLLogger.finest(
+                    "Can't resume, unavailable session cipher suite");
+            }
+            result = false;
+        }
+
+        return result;
+    }
+
     private static final
             class CHPreSharedKeyUpdate implements HandshakeConsumer {
         // Prevent instantiation of this class.
@@ -547,6 +608,18 @@
                 return null;
             }
 
+            // Make sure the list of supported signature algorithms matches
+            Collection<SignatureScheme> sessionSigAlgs =
+                chc.resumingSession.getLocalSupportedSignatureSchemes();
+            if (!chc.localSupportedSignAlgs.containsAll(sessionSigAlgs)) {
+                if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
+                    SSLLogger.fine("Existing session uses different " +
+                        "signature algorithms");
+                }
+                return null;
+            }
+
+            // The session must have a pre-shared key
             Optional<SecretKey> pskOpt = chc.resumingSession.getPreSharedKey();
             if (!pskOpt.isPresent()) {
                 if (SSLLogger.isOn && SSLLogger.isOn("ssl,handshake")) {
@@ -658,7 +731,7 @@
             } catch (NoSuchAlgorithmException | InvalidKeyException ex) {
                 throw new IOException(ex);
             }
-        } catch(GeneralSecurityException ex) {
+        } catch (GeneralSecurityException ex) {
             throw new IOException(ex);
         }
     }
--- a/src/java.base/share/classes/sun/security/ssl/SSLSessionImpl.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/sun/security/ssl/SSLSessionImpl.java	Thu Jul 19 10:17:22 2018 -0700
@@ -96,7 +96,7 @@
     private boolean             invalidated;
     private X509Certificate[]   localCerts;
     private PrivateKey          localPrivateKey;
-    private final String[]      localSupportedSignAlgs;
+    private final Collection<SignatureScheme>     localSupportedSignAlgs;
     private String[]            peerSupportedSignAlgs;      // for certificate
     private boolean             useDefaultPeerSignAlgs = false;
     private List<byte[]>        statusResponses;
@@ -144,7 +144,7 @@
         this.sessionId = new SessionId(false, null);
         this.host = null;
         this.port = -1;
-        this.localSupportedSignAlgs = new String[0];
+        this.localSupportedSignAlgs = Collections.emptySet();
         this.serverNameIndication = null;
         this.requestedServerNames = Collections.<SNIServerName>emptyList();
         this.useExtendedMasterSecret = false;
@@ -179,8 +179,9 @@
         this.sessionId = id;
         this.host = hc.conContext.transport.getPeerHost();
         this.port = hc.conContext.transport.getPeerPort();
-        this.localSupportedSignAlgs =
-                SignatureScheme.getAlgorithmNames(hc.localSupportedSignAlgs);
+        this.localSupportedSignAlgs = hc.localSupportedSignAlgs == null ?
+                Collections.emptySet() :
+                Collections.unmodifiableCollection(hc.localSupportedSignAlgs);
         this.serverNameIndication = hc.negotiatedServerName;
         this.requestedServerNames = Collections.<SNIServerName>unmodifiableList(
                 hc.getRequestedServerNames());
@@ -969,16 +970,20 @@
     }
 
     /**
-     * Gets an array of supported signature algorithms that the local side is
-     * willing to verify.
+     * Gets an array of supported signature algorithm names that the local
+     * side is willing to verify.
      */
     @Override
     public String[] getLocalSupportedSignatureAlgorithms() {
-        if (localSupportedSignAlgs != null) {
-            return localSupportedSignAlgs.clone();
-        }
+        return SignatureScheme.getAlgorithmNames(localSupportedSignAlgs);
+    }
 
-        return new String[0];
+    /**
+     * Gets an array of supported signature schemes that the local side is
+     * willing to verify.
+     */
+    public Collection<SignatureScheme> getLocalSupportedSignatureSchemes() {
+        return localSupportedSignAlgs;
     }
 
     /**
--- a/src/java.base/share/classes/sun/security/ssl/TransportContext.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/classes/sun/security/ssl/TransportContext.java	Thu Jul 19 10:17:22 2018 -0700
@@ -393,6 +393,13 @@
     }
 
     void setUseClientMode(boolean useClientMode) {
+        // Once handshaking has begun, the mode can not be reset for the
+        // life of this engine.
+        if (handshakeContext != null || isNegotiated) {
+            throw new IllegalArgumentException(
+                    "Cannot change mode after SSL traffic has started");
+        }
+
         /*
          * If we need to change the client mode and the enabled
          * protocols and cipher suites haven't specifically been
@@ -400,13 +407,6 @@
          * default ones.
          */
         if (sslConfig.isClientMode != useClientMode) {
-            // Once handshaking has begun, the mode can not be reset for the
-            // life of this engine.
-            if (handshakeContext != null || isNegotiated) {
-                throw new IllegalArgumentException(
-                    "Cannot change mode after SSL traffic has started");
-            }
-
             if (sslContext.isDefaultProtocolVesions(
                     sslConfig.enabledProtocols)) {
                 sslConfig.enabledProtocols =
--- a/src/java.base/share/native/libjava/jni_util.h	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/native/libjava/jni_util.h	Thu Jul 19 10:17:22 2018 -0700
@@ -297,6 +297,22 @@
         }                                       \
     } while (0)                                 \
 
+#define CHECK_NULL_THROW_NPE(env, x, msg)         \
+    do {                                        \
+        if ((x) == NULL) {                      \
+           JNU_ThrowNullPointerException((env), (msg));\
+           return;                              \
+        }                                       \
+    } while(0)                                  \
+
+#define CHECK_NULL_THROW_NPE_RETURN(env, x, msg, z)\
+    do {                                        \
+        if ((x) == NULL) {                      \
+           JNU_ThrowNullPointerException((env), (msg));\
+           return (z);                          \
+        }                                       \
+    } while(0)                                  \
+
 #define CHECK_NULL_RETURN(x, y)                 \
     do {                                        \
         if ((x) == NULL) {                      \
--- a/src/java.base/share/native/libnet/net_util.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/native/libnet/net_util.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -171,32 +171,38 @@
 
 void setInetAddress_addr(JNIEnv *env, jobject iaObj, int address) {
     jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
+    CHECK_NULL_THROW_NPE(env, holder, "InetAddress holder is null");
     (*env)->SetIntField(env, holder, iac_addressID, address);
 }
 
 void setInetAddress_family(JNIEnv *env, jobject iaObj, int family) {
     jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
+    CHECK_NULL_THROW_NPE(env, holder, "InetAddress holder is null");
     (*env)->SetIntField(env, holder, iac_familyID, family);
 }
 
 void setInetAddress_hostName(JNIEnv *env, jobject iaObj, jobject host) {
     jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
+    CHECK_NULL_THROW_NPE(env, holder, "InetAddress holder is null");
     (*env)->SetObjectField(env, holder, iac_hostNameID, host);
     (*env)->SetObjectField(env, holder, iac_origHostNameID, host);
 }
 
 int getInetAddress_addr(JNIEnv *env, jobject iaObj) {
     jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
+    CHECK_NULL_THROW_NPE_RETURN(env, holder, "InetAddress holder is null", -1);
     return (*env)->GetIntField(env, holder, iac_addressID);
 }
 
 int getInetAddress_family(JNIEnv *env, jobject iaObj) {
     jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
+    CHECK_NULL_THROW_NPE_RETURN(env, holder, "InetAddress holder is null", -1);
     return (*env)->GetIntField(env, holder, iac_familyID);
 }
 
 jobject getInetAddress_hostName(JNIEnv *env, jobject iaObj) {
     jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
+    CHECK_NULL_THROW_NPE_RETURN(env, holder, "InetAddress holder is null", NULL);
     return (*env)->GetObjectField(env, holder, iac_hostNameID);
 }
 
@@ -211,7 +217,9 @@
             CHECK_NULL_RETURN(iaObj, NULL);
             address = NET_IPv4MappedToIPv4(caddr);
             setInetAddress_addr(env, iaObj, address);
+            JNU_CHECK_EXCEPTION_RETURN(env, NULL);
             setInetAddress_family(env, iaObj, java_net_InetAddress_IPv4);
+            JNU_CHECK_EXCEPTION_RETURN(env, NULL);
         } else {
             jboolean ret;
             iaObj = (*env)->NewObject(env, ia6_class, ia6_ctrID);
@@ -220,6 +228,7 @@
             if (ret == JNI_FALSE)
                 return NULL;
             setInetAddress_family(env, iaObj, java_net_InetAddress_IPv6);
+            JNU_CHECK_EXCEPTION_RETURN(env, NULL);
             setInet6Address_scopeid(env, iaObj, sa->sa6.sin6_scope_id);
         }
         *port = ntohs(sa->sa6.sin6_port);
@@ -227,7 +236,9 @@
         iaObj = (*env)->NewObject(env, ia4_class, ia4_ctrID);
         CHECK_NULL_RETURN(iaObj, NULL);
         setInetAddress_family(env, iaObj, java_net_InetAddress_IPv4);
+        JNU_CHECK_EXCEPTION_RETURN(env, NULL);
         setInetAddress_addr(env, iaObj, ntohl(sa->sa4.sin_addr.s_addr));
+        JNU_CHECK_EXCEPTION_RETURN(env, NULL);
         *port = ntohs(sa->sa4.sin_port);
     }
     return iaObj;
@@ -238,6 +249,7 @@
 {
     jint family = getInetAddress_family(env, iaObj) ==
         java_net_InetAddress_IPv4 ? AF_INET : AF_INET6;
+    JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
     if (sa->sa.sa_family == AF_INET6) {
         jbyte *caddrNew = (jbyte *)&sa->sa6.sin6_addr;
         if (NET_IsIPv4Mapped(caddrNew)) {
@@ -247,6 +259,7 @@
             }
             addrNew = NET_IPv4MappedToIPv4(caddrNew);
             addrCur = getInetAddress_addr(env, iaObj);
+            JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
             if (addrNew == addrCur) {
                 return JNI_TRUE;
             } else {
@@ -273,6 +286,7 @@
         }
         addrNew = ntohl(sa->sa4.sin_addr.s_addr);
         addrCur = getInetAddress_addr(env, iaObj);
+        JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE);
         if (addrNew == addrCur) {
             return JNI_TRUE;
         } else {
--- a/src/java.base/share/native/libzip/zip_util.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/share/native/libzip/zip_util.c	Thu Jul 19 10:17:22 2018 -0700
@@ -739,13 +739,13 @@
     jzfile *zip = NULL;
 
     /* Clear zip error message */
-    if (pmsg != 0) {
+    if (pmsg != NULL) {
         *pmsg = NULL;
     }
 
     zip = ZIP_Get_From_Cache(name, pmsg, lastModified);
 
-    if (zip == NULL && *pmsg == NULL) {
+    if (zip == NULL && pmsg != NULL && *pmsg == NULL) {
         ZFILE zfd = ZFILE_Open(name, mode);
         zip = ZIP_Put_In_Cache(name, zfd, pmsg, lastModified);
     }
--- a/src/java.base/unix/native/libnet/Inet4AddressImpl.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/unix/native/libnet/Inet4AddressImpl.c	Thu Jul 19 10:17:22 2018 -0700
@@ -193,7 +193,11 @@
             }
             setInetAddress_addr(env, iaObj, ntohl(((struct sockaddr_in *)
                                 (iterator->ai_addr))->sin_addr.s_addr));
+            if ((*env)->ExceptionCheck(env))
+                goto cleanupAndReturn;
             setInetAddress_hostName(env, iaObj, host);
+            if ((*env)->ExceptionCheck(env))
+                goto cleanupAndReturn;
             (*env)->SetObjectArrayElement(env, ret, i++, iaObj);
             iterator = iterator->ai_next;
         }
--- a/src/java.base/unix/native/libnet/Inet6AddressImpl.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/unix/native/libnet/Inet6AddressImpl.c	Thu Jul 19 10:17:22 2018 -0700
@@ -198,6 +198,8 @@
                 return NULL;
             }
             setInetAddress_hostName(env, o, name);
+            if ((*env)->ExceptionCheck(env))
+                goto done;
             (*env)->SetObjectArrayElement(env, result, index, o);
             (*env)->DeleteLocalRef(env, o);
         }
@@ -355,7 +357,11 @@
                     goto cleanupAndReturn;
                 }
                 setInetAddress_addr(env, iaObj, ntohl(((struct sockaddr_in*)iterator->ai_addr)->sin_addr.s_addr));
+                if ((*env)->ExceptionCheck(env))
+                    goto cleanupAndReturn;
                 setInetAddress_hostName(env, iaObj, host);
+                if ((*env)->ExceptionCheck(env))
+                    goto cleanupAndReturn;
                 (*env)->SetObjectArrayElement(env, ret, (inetIndex | originalIndex), iaObj);
                 inetIndex++;
             } else if (iterator->ai_family == AF_INET6) {
@@ -376,6 +382,8 @@
                     setInet6Address_scopeid(env, iaObj, scope);
                 }
                 setInetAddress_hostName(env, iaObj, host);
+                if ((*env)->ExceptionCheck(env))
+                    goto cleanupAndReturn;
                 (*env)->SetObjectArrayElement(env, ret, (inet6Index | originalIndex), iaObj);
                 inet6Index++;
             }
--- a/src/java.base/unix/native/libnet/NetworkInterface.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/unix/native/libnet/NetworkInterface.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -329,11 +329,11 @@
   (JNIEnv *env, jclass cls, jobject iaObj)
 {
     netif *ifs, *curr;
+    jobject obj = NULL;
+    jboolean match = JNI_FALSE;
     int family = (getInetAddress_family(env, iaObj) == java_net_InetAddress_IPv4) ?
         AF_INET : AF_INET6;
-    jobject obj = NULL;
-    jboolean match = JNI_FALSE;
-
+    JNU_CHECK_EXCEPTION_RETURN(env, NULL);
     ifs = enumInterfaces(env);
     if (ifs == NULL) {
         return NULL;
@@ -351,7 +351,7 @@
                     int address1 = htonl(
                         ((struct sockaddr_in *)addrP->addr)->sin_addr.s_addr);
                     int address2 = getInetAddress_addr(env, iaObj);
-
+                    JNU_CHECK_EXCEPTION_RETURN(env, NULL);
                     if (address1 == address2) {
                         match = JNI_TRUE;
                         break;
@@ -698,6 +698,7 @@
             if (iaObj) {
                 setInetAddress_addr(env, iaObj, htonl(
                     ((struct sockaddr_in*)addrP->addr)->sin_addr.s_addr));
+                JNU_CHECK_EXCEPTION_RETURN(env, NULL);
             } else {
                 return NULL;
             }
@@ -710,6 +711,7 @@
                     if (ia2Obj) {
                         setInetAddress_addr(env, ia2Obj, htonl(
                             ((struct sockaddr_in*)addrP->brdcast)->sin_addr.s_addr));
+                        JNU_CHECK_EXCEPTION_RETURN(env, NULL);
                         (*env)->SetObjectField(env, ibObj, ni_ib4broadcastID, ia2Obj);
                     } else {
                         return NULL;
--- a/src/java.base/unix/native/libnet/PlainDatagramSocketImpl.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/unix/native/libnet/PlainDatagramSocketImpl.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -531,9 +531,12 @@
     iaObj = NET_SockaddrToInetAddress(env, &rmtaddr, &port);
     family = getInetAddress_family(env, iaObj) == java_net_InetAddress_IPv4 ?
         AF_INET : AF_INET6;
+    JNU_CHECK_EXCEPTION_RETURN(env, -1);
     if (family == AF_INET) { /* this API can't handle IPV6 addresses */
         int address = getInetAddress_addr(env, iaObj);
+        JNU_CHECK_EXCEPTION_RETURN(env, -1);
         setInetAddress_addr(env, addressObj, address);
+        JNU_CHECK_EXCEPTION_RETURN(env, -1);
     }
     return port;
 }
@@ -1014,6 +1017,7 @@
     struct in_addr in;
     jobjectArray addrArray;
     jsize len;
+    jint family;
     jobject addr;
     int i;
 
@@ -1044,8 +1048,11 @@
     in.s_addr = 0;
     for (i = 0; i < len; i++) {
         addr = (*env)->GetObjectArrayElement(env, addrArray, i);
-        if (getInetAddress_family(env, addr) == java_net_InetAddress_IPv4) {
+        family = getInetAddress_family(env, addr);
+        JNU_CHECK_EXCEPTION(env);
+        if (family == java_net_InetAddress_IPv4) {
             in.s_addr = htonl(getInetAddress_addr(env, addr));
+            JNU_CHECK_EXCEPTION(env);
             break;
         }
     }
@@ -1095,7 +1102,7 @@
     struct in_addr in;
 
     in.s_addr = htonl( getInetAddress_addr(env, value) );
-
+    JNU_CHECK_EXCEPTION(env);
     if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                    (const char*)&in, sizeof(in)) < 0) {
         JNU_ThrowByNameWithMessageAndLastError
@@ -1458,6 +1465,7 @@
         CHECK_NULL_RETURN(addr, NULL);
 
         setInetAddress_addr(env, addr, ntohl(in.s_addr));
+        JNU_CHECK_EXCEPTION_RETURN(env, NULL);
 
         /*
          * For IP_MULTICAST_IF return InetAddress
@@ -1890,6 +1898,7 @@
 
     jobject fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
     jint fd;
+    jint family;
     jint ipv6_join_leave;
 
     if (IS_NULL(fdObj)) {
@@ -1910,7 +1919,9 @@
     ipv6_join_leave = ipv6_available();
 
 #ifdef __linux__
-    if (getInetAddress_family(env, iaObj) == java_net_InetAddress_IPv4) {
+    family = getInetAddress_family(env, iaObj);
+    JNU_CHECK_EXCEPTION(env);
+    if (family == java_net_InetAddress_IPv4) {
         ipv6_join_leave = JNI_FALSE;
     }
 #endif
@@ -1951,6 +1962,7 @@
                 }
 
                 mname.imr_multiaddr.s_addr = htonl(getInetAddress_addr(env, iaObj));
+                JNU_CHECK_EXCEPTION(env);
                 mname.imr_address.s_addr = 0;
                 mname.imr_ifindex =  (*env)->GetIntField(env, niObj, ni_indexID);
                 mname_len = sizeof(struct ip_mreqn);
@@ -1969,11 +1981,14 @@
                 addr = (*env)->GetObjectArrayElement(env, addrArray, 0);
 
                 mname.imr_multiaddr.s_addr = htonl(getInetAddress_addr(env, iaObj));
+                JNU_CHECK_EXCEPTION(env);
 #ifdef __linux__
                 mname.imr_address.s_addr = htonl(getInetAddress_addr(env, addr));
+                JNU_CHECK_EXCEPTION(env);
                 mname.imr_ifindex = 0;
 #else
                 mname.imr_interface.s_addr = htonl(getInetAddress_addr(env, addr));
+                JNU_CHECK_EXCEPTION(env);
 #endif
                 mname_len = sizeof(struct ip_mreq);
             }
@@ -2009,6 +2024,7 @@
                 }
 
                 mname.imr_multiaddr.s_addr = htonl(getInetAddress_addr(env, iaObj));
+                JNU_CHECK_EXCEPTION(env);
                 mname.imr_address.s_addr = 0 ;
                 mname.imr_ifindex = index;
                 mname_len = sizeof(struct ip_mreqn);
@@ -2031,6 +2047,7 @@
                 mname.imr_interface.s_addr = in.s_addr;
 #endif
                 mname.imr_multiaddr.s_addr = htonl(getInetAddress_addr(env, iaObj));
+                JNU_CHECK_EXCEPTION(env);
                 mname_len = sizeof(struct ip_mreq);
             }
         }
@@ -2097,10 +2114,11 @@
         jint address;
         family = getInetAddress_family(env, iaObj) == java_net_InetAddress_IPv4 ?
             AF_INET : AF_INET6;
+        JNU_CHECK_EXCEPTION(env);
         if (family == AF_INET) { /* will convert to IPv4-mapped address */
             memset((char *) caddr, 0, 16);
             address = getInetAddress_addr(env, iaObj);
-
+            JNU_CHECK_EXCEPTION(env);
             caddr[10] = 0xff;
             caddr[11] = 0xff;
 
--- a/src/java.base/unix/native/libnet/net_util_md.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/unix/native/libnet/net_util_md.c	Thu Jul 19 10:17:22 2018 -0700
@@ -764,6 +764,7 @@
                           jboolean v4MappedAddress)
 {
     jint family = getInetAddress_family(env, iaObj);
+    JNU_CHECK_EXCEPTION_RETURN(env, -1);
     memset((char *)sa, 0, sizeof(SOCKETADDRESS));
 
     if (ipv6_available() &&
@@ -777,6 +778,7 @@
             // convert to IPv4-mapped address
             memset((char *)caddr, 0, 16);
             address = getInetAddress_addr(env, iaObj);
+            JNU_CHECK_EXCEPTION_RETURN(env, -1);
             if (address == INADDR_ANY) {
                 /* we would always prefer IPv6 wildcard address
                  * caddr[10] = 0xff;
@@ -871,6 +873,7 @@
             return -1;
         }
         address = getInetAddress_addr(env, iaObj);
+        JNU_CHECK_EXCEPTION_RETURN(env, -1);
         sa->sa4.sin_port = htons(port);
         sa->sa4.sin_addr.s_addr = htonl(address);
         sa->sa4.sin_family = AF_INET;
--- a/src/java.base/windows/native/libnet/Inet4AddressImpl.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/windows/native/libnet/Inet4AddressImpl.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -146,7 +146,11 @@
             }
             setInetAddress_addr(env, iaObj, ntohl(((struct sockaddr_in *)
                                 (iterator->ai_addr))->sin_addr.s_addr));
+            if ((*env)->ExceptionCheck(env))
+                goto cleanupAndReturn;
             setInetAddress_hostName(env, iaObj, host);
+            if ((*env)->ExceptionCheck(env))
+                goto cleanupAndReturn;
             (*env)->SetObjectArrayElement(env, ret, i++, iaObj);
             iterator = iterator->ai_next;
         }
--- a/src/java.base/windows/native/libnet/Inet6AddressImpl.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/windows/native/libnet/Inet6AddressImpl.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -187,7 +187,11 @@
                     goto cleanupAndReturn;
                 }
                 setInetAddress_addr(env, iaObj, ntohl(((struct sockaddr_in*)iterator->ai_addr)->sin_addr.s_addr));
+                if ((*env)->ExceptionCheck(env))
+                    goto cleanupAndReturn;
                 setInetAddress_hostName(env, iaObj, host);
+                if ((*env)->ExceptionCheck(env))
+                    goto cleanupAndReturn;
                 (*env)->SetObjectArrayElement(env, ret, (inetIndex | originalIndex), iaObj);
                 inetIndex++;
             } else if (iterator->ai_family == AF_INET6) {
@@ -208,6 +212,8 @@
                     setInet6Address_scopeid(env, iaObj, scope);
                 }
                 setInetAddress_hostName(env, iaObj, host);
+                if ((*env)->ExceptionCheck(env))
+                    goto cleanupAndReturn;
                 (*env)->SetObjectArrayElement(env, ret, (inet6Index | originalIndex), iaObj);
                 inet6Index++;
             }
--- a/src/java.base/windows/native/libnet/NetworkInterface.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/windows/native/libnet/NetworkInterface.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -586,6 +586,7 @@
             /* default ctor will set family to AF_INET */
 
             setInetAddress_addr(env, iaObj, ntohl(addrs->addr.sa4.sin_addr.s_addr));
+            JNU_CHECK_EXCEPTION_RETURN(env, NULL);
             if (addrs->mask != -1) {
               ibObj = (*env)->NewObject(env, ni_ibcls, ni_ibctrID);
               if (ibObj == NULL) {
@@ -599,6 +600,7 @@
                 return NULL;
               }
               setInetAddress_addr(env, ia2Obj, ntohl(addrs->brdcast.sa4.sin_addr.s_addr));
+              JNU_CHECK_EXCEPTION_RETURN(env, NULL);
               (*env)->SetObjectField(env, ibObj, ni_ibbroadcastID, ia2Obj);
               (*env)->SetShortField(env, ibObj, ni_ibmaskID, addrs->mask);
               (*env)->SetObjectArrayElement(env, bindsArr, bind_index++, ibObj);
@@ -754,8 +756,9 @@
     (JNIEnv *env, jclass cls, jobject iaObj)
 {
     netif *ifList, *curr;
+    jobject netifObj = NULL;
     jint addr = getInetAddress_addr(env, iaObj);
-    jobject netifObj = NULL;
+    JNU_CHECK_EXCEPTION_RETURN(env, NULL);
 
     // Retained for now to support IPv4 only stack, java.net.preferIPv4Stack
     if (ipv6_available()) {
--- a/src/java.base/windows/native/libnet/NetworkInterface_winXP.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/windows/native/libnet/NetworkInterface_winXP.c	Thu Jul 19 10:17:22 2018 -0700
@@ -584,7 +584,7 @@
             /* default ctor will set family to AF_INET */
 
             setInetAddress_addr(env, iaObj, ntohl(addrs->addr.sa4.sin_addr.s_addr));
-
+            JNU_CHECK_EXCEPTION_RETURN(env, NULL);
             ibObj = (*env)->NewObject(env, ni_ibcls, ni_ibctrID);
             if (ibObj == NULL) {
               free_netaddr(netaddrP);
@@ -597,6 +597,7 @@
               return NULL;
             }
             setInetAddress_addr(env, ia2Obj, ntohl(addrs->brdcast.sa4.sin_addr.s_addr));
+            JNU_CHECK_EXCEPTION_RETURN(env, NULL);
             (*env)->SetObjectField(env, ibObj, ni_ibbroadcastID, ia2Obj);
             (*env)->SetShortField(env, ibObj, ni_ibmaskID, addrs->mask);
             (*env)->SetObjectArrayElement(env, bindsArr, bind_index++, ibObj);
--- a/src/java.base/windows/native/libnet/TwoStacksPlainDatagramSocketImpl.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/windows/native/libnet/TwoStacksPlainDatagramSocketImpl.c	Thu Jul 19 10:17:22 2018 -0700
@@ -219,16 +219,16 @@
     jobject fd1Obj = (*env)->GetObjectField(env, this, pdsi_fd1ID);
     int ipv6_supported = ipv6_available();
     int fd, fd1 = -1, lcladdrlen = 0;
+    jint family;
     SOCKETADDRESS lcladdr;
 
-    if (getInetAddress_family(env, addressObj) == java_net_InetAddress_IPv6 &&
-        !ipv6_supported)
-    {
+    family = getInetAddress_family(env, addressObj);
+    JNU_CHECK_EXCEPTION(env);
+    if (family == java_net_InetAddress_IPv6 && !ipv6_supported) {
         JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
                         "Protocol family not supported");
         return;
     }
-
     if (IS_NULL(fdObj) || (ipv6_supported && IS_NULL(fd1Obj))) {
         JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "socket closed");
         return;
@@ -344,6 +344,7 @@
     }
 
     family = getInetAddress_family(env, address);
+    JNU_CHECK_EXCEPTION(env);
     if (family == java_net_InetAddress_IPv6 && !ipv6_available()) {
         JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
                         "Protocol family not supported");
@@ -455,6 +456,7 @@
     }
 
     family = getInetAddress_family(env, iaObj);
+    JNU_CHECK_EXCEPTION(env);
     if (family == java_net_InetAddress_IPv4) {
         fdObj = (*env)->GetObjectField(env, this, pdsi_fdID);
     } else {
@@ -584,6 +586,7 @@
         return -1;
     } else {
         address = getInetAddress_addr(env, addressObj);
+        JNU_CHECK_EXCEPTION_RETURN(env, -1);
         /* We only handle IPv4 for now. Will support IPv6 once its in the os */
         family = AF_INET;
     }
@@ -657,7 +660,9 @@
         return 0;
     }
     setInetAddress_addr(env, addressObj, ntohl(remote_addr.sa4.sin_addr.s_addr));
+    JNU_CHECK_EXCEPTION_RETURN(env, -1);
     setInetAddress_family(env, addressObj, java_net_InetAddress_IPv4);
+    JNU_CHECK_EXCEPTION_RETURN(env, -1);
 
     /* return port */
     return ntohs(remote_addr.sa4.sin_port);
@@ -1349,6 +1354,7 @@
         int fam;
         addr = (*env)->GetObjectArrayElement(env, addrArray, i);
         fam = getInetAddress_family(env, addr);
+        JNU_CHECK_EXCEPTION_RETURN(env, -1);
         if (fam == family) {
             *iaddr = addr;
             return 0;
@@ -1367,6 +1373,7 @@
     }
 
     iaddr->s_addr = htonl(getInetAddress_addr(env, addr));
+    JNU_CHECK_EXCEPTION_RETURN(env, -1);
     return 0;
 }
 
@@ -1471,6 +1478,7 @@
             struct in_addr in;
 
             in.s_addr = htonl(getInetAddress_addr(env, value));
+            JNU_CHECK_EXCEPTION(env);
             if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                                (const char*)&in, sizeof(in)) < 0) {
                 JNU_ThrowByNameWithMessageAndLastError
@@ -1712,7 +1720,7 @@
         CHECK_NULL_RETURN(addr, NULL);
 
         setInetAddress_addr(env, addr, ntohl(in.s_addr));
-
+        JNU_CHECK_EXCEPTION_RETURN(env, NULL);
         /*
          * For IP_MULTICAST_IF return InetAddress
          */
--- a/src/java.base/windows/native/libnet/net_util_md.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.base/windows/native/libnet/net_util_md.c	Thu Jul 19 10:17:22 2018 -0700
@@ -794,6 +794,7 @@
                           jboolean v4MappedAddress)
 {
     jint family = getInetAddress_family(env, iaObj);
+    JNU_CHECK_EXCEPTION_RETURN(env, -1);
     memset((char *)sa, 0, sizeof(SOCKETADDRESS));
 
     if (ipv6_available() &&
@@ -808,6 +809,7 @@
             // convert to IPv4-mapped address
             memset((char *)caddr, 0, 16);
             address = getInetAddress_addr(env, iaObj);
+            JNU_CHECK_EXCEPTION_RETURN(env, -1);
             if (address == INADDR_ANY) {
                 /* we would always prefer IPv6 wildcard address
                  * caddr[10] = 0xff;
@@ -846,6 +848,7 @@
             return -1;
         }
         address = getInetAddress_addr(env, iaObj);
+        JNU_CHECK_EXCEPTION_RETURN(env, -1);
         sa->sa4.sin_port = htons((short)port);
         sa->sa4.sin_addr.s_addr = (u_long)htonl(address);
         sa->sa4.sin_family = AF_INET;
--- a/src/java.desktop/macosx/classes/com/apple/eio/FileManager.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.desktop/macosx/classes/com/apple/eio/FileManager.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -364,11 +364,11 @@
          * @since Java for Mac OS X 10.5 Update 6 - 1.6, 1.5
          */
         public static boolean moveToTrash(final File file) throws FileNotFoundException {
-                if (file == null || !file.exists()) throw new FileNotFoundException();
+                if (file == null) throw new FileNotFoundException();
                 final String fileName = file.getAbsolutePath();
 
                 final SecurityManager security = System.getSecurityManager();
-                if (security != null) security.checkWrite(fileName);
+                if (security != null) security.checkDelete(fileName);
 
                 return _moveToTrash(fileName);
         }
--- a/src/java.desktop/share/classes/java/awt/Desktop.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/Desktop.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,6 +42,9 @@
 import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.net.URL;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.Objects;
 
 import javax.swing.JMenuBar;
@@ -363,15 +366,11 @@
      * @throws NullPointerException if file is null
      * @throws IllegalArgumentException if file doesn't exist
      */
-    private static void checkFileValidation(File file){
-        if (file == null) throw new NullPointerException("File must not be null");
-
+    private static void checkFileValidation(File file) {
         if (!file.exists()) {
             throw new IllegalArgumentException("The file: "
                     + file.getPath() + " doesn't exist.");
         }
-
-        file.canRead();
     }
 
     /**
@@ -425,6 +424,7 @@
      * @see java.awt.AWTPermission
      */
     public void open(File file) throws IOException {
+        file = new File(file.getPath());
         checkAWTPermission();
         checkExec();
         checkActionSupport(Action.OPEN);
@@ -456,6 +456,7 @@
      * @see java.awt.AWTPermission
      */
     public void edit(File file) throws IOException {
+        file = new File(file.getPath());
         checkAWTPermission();
         checkExec();
         checkActionSupport(Action.EDIT);
@@ -486,6 +487,7 @@
      * allowed to create a subprocess
      */
     public void print(File file) throws IOException {
+        file = new File(file.getPath());
         checkExec();
         SecurityManager sm = System.getSecurityManager();
         if (sm != null) {
@@ -614,14 +616,6 @@
         }
     }
 
-    private void checkDelete() throws SecurityException {
-        SecurityManager sm = System.getSecurityManager();
-        if (sm != null) {
-            sm.checkPermission(new FilePermission("<<ALL FILES>>",
-                    SecurityConstants.FILE_DELETE_ACTION));
-        }
-    }
-
     private void checkQuitPermission() {
         SecurityManager sm = System.getSecurityManager();
         if (sm != null) {
@@ -950,6 +944,8 @@
      * @since 9
      */
     public void openHelpViewer() {
+        checkAWTPermission();
+        checkExec();
         checkEventsProcessingPermission();
         checkActionSupport(Action.APP_HELP_VIEWER);
         peer.openHelpViewer();
@@ -995,9 +991,15 @@
      * @since 9
      */
     public void browseFileDirectory(File file) {
-        checkRead();
+        file = new File(file.getPath());
+        checkAWTPermission();
+        checkExec();
         checkActionSupport(Action.BROWSE_FILE_DIR);
         checkFileValidation(file);
+        File parentFile = file.getParentFile();
+        if (parentFile == null || !parentFile.exists()) {
+            throw new IllegalArgumentException("Parent folder doesn't exist");
+        }
         peer.browseFileDirectory(file);
     }
 
@@ -1017,10 +1019,18 @@
      *
      * @since 9
      */
-    public boolean moveToTrash(final File file) {
-        checkDelete();
+    public boolean moveToTrash(File file) {
+        file = new File(file.getPath());
+        SecurityManager sm = System.getSecurityManager();
+        if (sm != null) {
+            sm.checkDelete(file.getPath());
+        }
         checkActionSupport(Action.MOVE_TO_TRASH);
-        checkFileValidation(file);
+        final File finalFile = file;
+        AccessController.doPrivileged((PrivilegedAction<?>) () -> {
+            checkFileValidation(finalFile);
+            return null;
+        });
         return peer.moveToTrash(file);
     }
 }
--- a/src/java.desktop/unix/native/common/awt/fontpath.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.desktop/unix/native/common/awt/fontpath.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -265,7 +265,7 @@
     }
 
 
-    newFontPath = SAFE_SIZE_ARRAY_ALLOC(malloc, totalDirCount, sizeof ( char **) );
+    newFontPath = SAFE_SIZE_ARRAY_ALLOC(malloc, totalDirCount, sizeof(char *));
     /* if it fails free things and get out */
     if ( newFontPath == NULL ) {
       free ( ( void *) appendDirList );
--- a/src/java.naming/share/classes/com/sun/jndi/ldap/Connection.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.naming/share/classes/com/sun/jndi/ldap/Connection.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -44,8 +44,11 @@
 
 import java.lang.reflect.Method;
 import java.lang.reflect.InvocationTargetException;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.Arrays;
 import javax.net.SocketFactory;
+import javax.net.ssl.SSLParameters;
 
 /**
   * A thread that creates a connection to an LDAP server.
@@ -158,7 +161,18 @@
 
     int readTimeout;
     int connectTimeout;
+    private static final boolean IS_HOSTNAME_VERIFICATION_DISABLED
+            = hostnameVerificationDisabledValue();
 
+    private static boolean hostnameVerificationDisabledValue() {
+        PrivilegedAction<String> act = () -> System.getProperty(
+                "com.sun.jndi.ldap.object.disableEndpointIdentification");
+        String prop = AccessController.doPrivileged(act);
+        if (prop == null) {
+            return false;
+        }
+        return prop.isEmpty() ? true : Boolean.parseBoolean(prop);
+    }
     // true means v3; false means v2
     // Called in LdapClient.authenticate() (which is synchronized)
     // when connection is "quiet" and not shared; no need to synchronize
@@ -321,15 +335,20 @@
         // the SSL handshake following socket connection as part of the timeout.
         // So explicitly set a socket read timeout, trigger the SSL handshake,
         // then reset the timeout.
-        if (connectTimeout > 0 && socket instanceof SSLSocket) {
+        if (socket instanceof SSLSocket) {
             SSLSocket sslSocket = (SSLSocket) socket;
             int socketTimeout = sslSocket.getSoTimeout();
-
-            sslSocket.setSoTimeout(connectTimeout); // reuse full timeout value
+            if (!IS_HOSTNAME_VERIFICATION_DISABLED) {
+                SSLParameters param = sslSocket.getSSLParameters();
+                param.setEndpointIdentificationAlgorithm("LDAPS");
+                sslSocket.setSSLParameters(param);
+            }
+            if (connectTimeout > 0) {
+                sslSocket.setSoTimeout(connectTimeout); // reuse full timeout value
+            }
             sslSocket.startHandshake();
             sslSocket.setSoTimeout(socketTimeout);
         }
-
         return socket;
     }
 
--- a/src/java.net.http/share/classes/java/net/http/HttpResponse.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.net.http/share/classes/java/net/http/HttpResponse.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1188,7 +1188,7 @@
 
         /**
          * Returns a response subscriber which publishes the response body
-         * through a {@link Publisher Publisher<List<ByteBuffer>>}.
+         * through a {@code Publisher<List<ByteBuffer>>}.
          *
          * <p> The {@link HttpResponse} using this subscriber is available
          * immediately after the response headers have been read, without
--- a/src/java.smartcardio/share/native/libj2pcsc/pcsc.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/java.smartcardio/share/native/libj2pcsc/pcsc.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -192,7 +192,7 @@
     }
     dprintf1("-size: %d\n", size);
 
-    if (size) {
+    if (size != 0) {
         mszReaders = malloc(size);
         if (mszReaders == NULL) {
             throwOutOfMemoryError(env, NULL);
@@ -205,6 +205,8 @@
             return NULL;
         }
         dprintf1("-String: %s\n", mszReaders);
+    } else {
+      return NULL;
     }
 
     result = pcsc_multi2jstring(env, mszReaders);
--- a/src/jdk.aot/share/classes/jdk.tools.jaotc.binformat/src/jdk/tools/jaotc/binformat/BinaryContainer.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.aot/share/classes/jdk.tools.jaotc.binformat/src/jdk/tools/jaotc/binformat/BinaryContainer.java	Thu Jul 19 10:17:22 2018 -0700
@@ -146,6 +146,7 @@
         {"SharedRuntime::exception_handler_for_return_address",        "_aot_exception_handler_for_return_address"},
         {"SharedRuntime::register_finalizer",                          "_aot_register_finalizer"},
         {"SharedRuntime::OSR_migration_end",                           "_aot_OSR_migration_end"},
+        {"SharedRuntime::enable_stack_reserved_zone",                  "_aot_enable_stack_reserved_zone"},
         {"CompilerRuntime::resolve_dynamic_invoke",                    "_aot_resolve_dynamic_invoke"},
         {"CompilerRuntime::resolve_string_by_symbol",                  "_aot_resolve_string_by_symbol"},
         {"CompilerRuntime::resolve_klass_by_symbol",                   "_aot_resolve_klass_by_symbol"},
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Modules.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Modules.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1552,7 +1552,9 @@
         }
 
         addExports.forEach((exportsFrom, exports) -> {
-            addVisiblePackages(msym, seen, exportsFrom, exports);
+            if (msym.readModules.contains(exportsFrom)) {
+                addVisiblePackages(msym, seen, exportsFrom, exports);
+            }
         });
     }
 
--- a/src/jdk.crypto.ec/share/native/libsunec/impl/ecl_mult.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.crypto.ec/share/native/libsunec/impl/ecl_mult.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
  * This library is free software; you can redistribute it and/or
@@ -80,12 +80,12 @@
                                                                  group, timing));
                 }
         } else {
+                kt.flag = (mp_sign)0;
                 if (group->meth->field_enc) {
                         MP_CHECKOK(group->meth->field_enc(px, rx, group->meth));
                         MP_CHECKOK(group->meth->field_enc(py, ry, group->meth));
                         MP_CHECKOK(group->point_mul(&kt, rx, ry, rx, ry, group, timing));
                 } else {
-                        kt.flag = (mp_sign)0;
                         MP_CHECKOK(group->point_mul(&kt, px, py, rx, ry, group, timing));
                 }
         }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotBackend.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotBackend.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -110,7 +110,7 @@
 
     @Override
     public LIRGenerationResult newLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, FrameMapBuilder frameMapBuilder, StructuredGraph graph, Object stub) {
-        return new HotSpotLIRGenerationResult(compilationId, lir, frameMapBuilder, makeCallingConvention(graph, (Stub) stub), stub);
+        return new HotSpotLIRGenerationResult(compilationId, lir, frameMapBuilder, makeCallingConvention(graph, (Stub) stub), stub, config.requiresReservedStackCheck(graph.getMethods()));
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotDeoptimizeCallerOp.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotDeoptimizeCallerOp.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -46,7 +46,7 @@
 
     @Override
     public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
-        leaveFrame(crb, masm, /* emitSafepoint */false);
+        leaveFrame(crb, masm, /* emitSafepoint */false, false);
         AArch64Call.directJmp(crb, masm, crb.foreignCalls.lookupForeignCall(UNCOMMON_TRAP_HANDLER));
     }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotEpilogueOp.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotEpilogueOp.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,14 +24,29 @@
 
 package org.graalvm.compiler.hotspot.aarch64;
 
+import static jdk.vm.ci.aarch64.AArch64.lr;
+import static jdk.vm.ci.aarch64.AArch64.sp;
+import static jdk.vm.ci.aarch64.AArch64.zr;
+import static jdk.vm.ci.hotspot.aarch64.AArch64HotSpotRegisterConfig.fp;
+import static org.graalvm.compiler.hotspot.HotSpotHostBackend.ENABLE_STACK_RESERVED_ZONE;
+import static org.graalvm.compiler.hotspot.HotSpotHostBackend.THROW_DELAYED_STACKOVERFLOW_ERROR;
+
+import org.graalvm.compiler.asm.Label;
+import org.graalvm.compiler.asm.aarch64.AArch64Address;
+import org.graalvm.compiler.asm.aarch64.AArch64Assembler;
 import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler;
 import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler.ScratchRegister;
+import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
+import org.graalvm.compiler.hotspot.meta.HotSpotForeignCallsProvider;
 import org.graalvm.compiler.lir.LIRInstructionClass;
 import org.graalvm.compiler.lir.aarch64.AArch64BlockEndOp;
+import org.graalvm.compiler.lir.aarch64.AArch64Call;
 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
 
+import jdk.vm.ci.code.CallingConvention;
 import jdk.vm.ci.code.Register;
+import jdk.vm.ci.code.RegisterValue;
 
 /**
  * Superclass for operations that leave a method's frame.
@@ -53,9 +68,31 @@
         this.thread = null; // no safepoint
     }
 
-    protected void leaveFrame(CompilationResultBuilder crb, AArch64MacroAssembler masm, boolean emitSafepoint) {
+    protected void leaveFrame(CompilationResultBuilder crb, AArch64MacroAssembler masm, boolean emitSafepoint, boolean requiresReservedStackAccessCheck) {
         assert crb.frameContext != null : "We never elide frames in aarch64";
         crb.frameContext.leave(crb);
+        if (requiresReservedStackAccessCheck) {
+            HotSpotForeignCallsProvider foreignCalls = (HotSpotForeignCallsProvider) crb.foreignCalls;
+            Label noReserved = new Label();
+            try (ScratchRegister sc = masm.getScratchRegister()) {
+                Register scratch = sc.getRegister();
+                masm.ldr(64, scratch, masm.makeAddress(thread, config.javaThreadReservedStackActivationOffset, 8));
+                masm.subs(64, zr, sp, scratch);
+            }
+            masm.branchConditionally(AArch64Assembler.ConditionFlag.LO, noReserved);
+            ForeignCallLinkage enableStackReservedZone = foreignCalls.lookupForeignCall(ENABLE_STACK_RESERVED_ZONE);
+            CallingConvention cc = enableStackReservedZone.getOutgoingCallingConvention();
+            assert cc.getArgumentCount() == 1;
+            Register arg0 = ((RegisterValue) cc.getArgument(0)).getRegister();
+            masm.mov(64, arg0, thread);
+            try (ScratchRegister sc = masm.getScratchRegister()) {
+                masm.stp(64, fp, lr, AArch64Address.createPreIndexedImmediateAddress(sp, -2));
+                AArch64Call.directCall(crb, masm, enableStackReservedZone, sc.getRegister(), null);
+                masm.ldp(64, fp, lr, AArch64Address.createPostIndexedImmediateAddress(sp, 2));
+            }
+            AArch64Call.directJmp(crb, masm, foreignCalls.lookupForeignCall(THROW_DELAYED_STACKOVERFLOW_ERROR));
+            masm.bind(noReserved);
+        }
         if (emitSafepoint) {
             try (ScratchRegister sc = masm.getScratchRegister()) {
                 Register scratch = sc.getRegister();
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotJumpToExceptionHandlerInCallerOp.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotJumpToExceptionHandlerInCallerOp.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,10 +24,10 @@
 
 package org.graalvm.compiler.hotspot.aarch64;
 
-import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
 import static jdk.vm.ci.aarch64.AArch64.sp;
 import static jdk.vm.ci.code.ValueUtil.asRegister;
 import static jdk.vm.ci.hotspot.aarch64.AArch64HotSpotRegisterConfig.fp;
+import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
 
 import org.graalvm.compiler.asm.Label;
 import org.graalvm.compiler.asm.aarch64.AArch64Address;
@@ -69,7 +69,7 @@
 
     @Override
     public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
-        leaveFrame(crb, masm, /* emitSafepoint */false);
+        leaveFrame(crb, masm, /* emitSafepoint */false, false);
 
         if (GraalServices.JAVA_SPECIFICATION_VERSION < 8) {
             // Restore sp from fp if the exception PC is a method handle call site.
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotLIRGenerator.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotLIRGenerator.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2018, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -28,19 +28,18 @@
 
 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
 import static org.graalvm.compiler.hotspot.HotSpotBackend.INITIALIZE_KLASS_BY_SYMBOL;
+import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_DYNAMIC_INVOKE;
 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_KLASS_BY_SYMBOL;
 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_METHOD_BY_SYMBOL_AND_LOAD_COUNTERS;
 import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_STRING_BY_SYMBOL;
-import static org.graalvm.compiler.hotspot.HotSpotBackend.RESOLVE_DYNAMIC_INVOKE;
-import static org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction.RESOLVE;
 import static org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction.INITIALIZE;
 import static org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction.LOAD_COUNTERS;
+import static org.graalvm.compiler.hotspot.meta.HotSpotConstantLoadAction.RESOLVE;
 import static org.graalvm.compiler.lir.LIRValueUtil.asConstant;
 import static org.graalvm.compiler.lir.LIRValueUtil.isConstantValue;
 
 import java.util.function.Function;
 
-import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant;
 import org.graalvm.compiler.asm.Label;
 import org.graalvm.compiler.asm.aarch64.AArch64Address.AddressingMode;
 import org.graalvm.compiler.asm.aarch64.AArch64Assembler.ConditionFlag;
@@ -81,10 +80,10 @@
 import org.graalvm.compiler.lir.aarch64.AArch64Move;
 import org.graalvm.compiler.lir.aarch64.AArch64Move.StoreOp;
 import org.graalvm.compiler.lir.aarch64.AArch64PrefetchOp;
+import org.graalvm.compiler.lir.aarch64.AArch64RestoreRegistersOp;
 import org.graalvm.compiler.lir.aarch64.AArch64SaveRegistersOp;
-import org.graalvm.compiler.lir.aarch64.AArch64RestoreRegistersOp;
-
 import org.graalvm.compiler.lir.gen.LIRGenerationResult;
+import org.graalvm.compiler.options.OptionValues;
 
 import jdk.vm.ci.aarch64.AArch64;
 import jdk.vm.ci.aarch64.AArch64Kind;
@@ -93,6 +92,7 @@
 import jdk.vm.ci.code.RegisterValue;
 import jdk.vm.ci.code.StackSlot;
 import jdk.vm.ci.hotspot.HotSpotCompressedNullConstant;
+import jdk.vm.ci.hotspot.HotSpotMetaspaceConstant;
 import jdk.vm.ci.hotspot.HotSpotObjectConstant;
 import jdk.vm.ci.meta.AllocatableValue;
 import jdk.vm.ci.meta.Constant;
@@ -103,7 +103,6 @@
 import jdk.vm.ci.meta.PlatformKind;
 import jdk.vm.ci.meta.SpeculationLog;
 import jdk.vm.ci.meta.Value;
-import org.graalvm.compiler.options.OptionValues;
 
 /**
  * LIR generator specialized for AArch64 HotSpot.
@@ -502,7 +501,7 @@
             emitMove(operand, input);
         }
         Register thread = getProviders().getRegisters().getThreadRegister();
-        append(new AArch64HotSpotReturnOp(operand, getStub() != null, config, thread));
+        append(new AArch64HotSpotReturnOp(operand, getStub() != null, config, thread, getResult().requiresReservedStackAccessCheck()));
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotReturnOp.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotReturnOp.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,10 +24,10 @@
 
 package org.graalvm.compiler.hotspot.aarch64;
 
+import static jdk.vm.ci.aarch64.AArch64.lr;
+import static jdk.vm.ci.code.ValueUtil.asRegister;
 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.ILLEGAL;
 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
-import static jdk.vm.ci.aarch64.AArch64.lr;
-import static jdk.vm.ci.code.ValueUtil.asRegister;
 
 import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler;
 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
@@ -48,9 +48,11 @@
 
     @Use({REG, ILLEGAL}) private Value result;
     private final boolean isStub;
+    private final boolean requiresReservedStackAccessCheck;
 
-    public AArch64HotSpotReturnOp(Value result, boolean isStub, GraalHotSpotVMConfig config, Register thread) {
+    public AArch64HotSpotReturnOp(Value result, boolean isStub, GraalHotSpotVMConfig config, Register thread, boolean requiresReservedStackAccessCheck) {
         super(TYPE, config, thread);
+        this.requiresReservedStackAccessCheck = requiresReservedStackAccessCheck;
         assert validReturnValue(result);
         this.result = result;
         this.isStub = isStub;
@@ -66,7 +68,7 @@
     @Override
     public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
         final boolean emitSafepoint = !isStub;
-        leaveFrame(crb, masm, emitSafepoint);
+        leaveFrame(crb, masm, emitSafepoint, requiresReservedStackAccessCheck);
         masm.ret(lr);
     }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotUnwindOp.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotUnwindOp.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,9 +24,9 @@
 
 package org.graalvm.compiler.hotspot.aarch64;
 
-import static org.graalvm.compiler.hotspot.HotSpotBackend.UNWIND_EXCEPTION_TO_CALLER;
 import static jdk.vm.ci.aarch64.AArch64.lr;
 import static jdk.vm.ci.code.ValueUtil.asRegister;
+import static org.graalvm.compiler.hotspot.HotSpotBackend.UNWIND_EXCEPTION_TO_CALLER;
 
 import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler;
 import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
@@ -57,7 +57,7 @@
 
     @Override
     public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
-        leaveFrame(crb, masm, /* emitSafepoint */false);
+        leaveFrame(crb, masm, /* emitSafepoint */false, false);
 
         ForeignCallLinkage linkage = crb.foreignCalls.lookupForeignCall(UNWIND_EXCEPTION_TO_CALLER);
         CallingConvention cc = linkage.getOutgoingCallingConvention();
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotBackend.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotBackend.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -111,7 +111,7 @@
 
     @Override
     public LIRGenerationResult newLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, FrameMapBuilder frameMapBuilder, StructuredGraph graph, Object stub) {
-        return new HotSpotLIRGenerationResult(compilationId, lir, frameMapBuilder, makeCallingConvention(graph, (Stub) stub), stub);
+        return new HotSpotLIRGenerationResult(compilationId, lir, frameMapBuilder, makeCallingConvention(graph, (Stub) stub), stub, config.requiresReservedStackCheck(graph.getMethods()));
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotLIRGenerator.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotLIRGenerator.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -268,7 +268,7 @@
             pollOnReturnScratchRegister = findPollOnReturnScratchRegister();
         }
         Register thread = getProviders().getRegisters().getThreadRegister();
-        append(new AMD64HotSpotReturnOp(operand, getStub() != null, thread, pollOnReturnScratchRegister, config));
+        append(new AMD64HotSpotReturnOp(operand, getStub() != null, thread, pollOnReturnScratchRegister, config, getResult().requiresReservedStackAccessCheck()));
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotReturnOp.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotReturnOp.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,18 +24,30 @@
 
 package org.graalvm.compiler.hotspot.amd64;
 
+import static jdk.vm.ci.amd64.AMD64.r15;
+import static jdk.vm.ci.amd64.AMD64.rsp;
+import static org.graalvm.compiler.hotspot.HotSpotHostBackend.ENABLE_STACK_RESERVED_ZONE;
+import static org.graalvm.compiler.hotspot.HotSpotHostBackend.THROW_DELAYED_STACKOVERFLOW_ERROR;
 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.ILLEGAL;
 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
 
+import org.graalvm.compiler.asm.Label;
+import org.graalvm.compiler.asm.amd64.AMD64Address;
+import org.graalvm.compiler.asm.amd64.AMD64Assembler;
 import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler;
+import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
+import org.graalvm.compiler.hotspot.meta.HotSpotForeignCallsProvider;
 import org.graalvm.compiler.lir.LIRInstructionClass;
 import org.graalvm.compiler.lir.Opcode;
+import org.graalvm.compiler.lir.amd64.AMD64Call;
 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
 import org.graalvm.compiler.lir.gen.DiagnosticLIRGeneratorTool.ZapStackArgumentSpaceBeforeInstruction;
 
 import jdk.vm.ci.amd64.AMD64.CPUFeature;
+import jdk.vm.ci.code.CallingConvention;
 import jdk.vm.ci.code.Register;
+import jdk.vm.ci.code.RegisterValue;
 import jdk.vm.ci.meta.Value;
 
 /**
@@ -50,20 +62,46 @@
     private final Register thread;
     private final Register scratchForSafepointOnReturn;
     private final GraalHotSpotVMConfig config;
+    private final boolean requiresReservedStackAccessCheck;
 
-    AMD64HotSpotReturnOp(Value value, boolean isStub, Register thread, Register scratchForSafepointOnReturn, GraalHotSpotVMConfig config) {
+    AMD64HotSpotReturnOp(Value value, boolean isStub, Register thread, Register scratchForSafepointOnReturn, GraalHotSpotVMConfig config, boolean requiresReservedStackAccessCheck) {
         super(TYPE);
         this.value = value;
         this.isStub = isStub;
         this.thread = thread;
         this.scratchForSafepointOnReturn = scratchForSafepointOnReturn;
         this.config = config;
+        this.requiresReservedStackAccessCheck = requiresReservedStackAccessCheck;
     }
 
     @Override
     public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
         leaveFrameAndRestoreRbp(crb, masm);
         if (!isStub) {
+            if (requiresReservedStackAccessCheck) {
+                HotSpotForeignCallsProvider foreignCalls = (HotSpotForeignCallsProvider) crb.foreignCalls;
+
+                Label noReserved = new Label();
+                masm.cmpptr(rsp, new AMD64Address(r15, config.javaThreadReservedStackActivationOffset));
+                masm.jccb(AMD64Assembler.ConditionFlag.Below, noReserved);
+                // direct call to runtime without stub needs aligned stack
+                int stackAdjust = crb.target.stackAlignment - crb.target.wordSize;
+                if (stackAdjust > 0) {
+                    masm.subq(rsp, stackAdjust);
+                }
+                ForeignCallLinkage enableStackReservedZone = foreignCalls.lookupForeignCall(ENABLE_STACK_RESERVED_ZONE);
+                CallingConvention cc = enableStackReservedZone.getOutgoingCallingConvention();
+                assert cc.getArgumentCount() == 1;
+                Register arg0 = ((RegisterValue) cc.getArgument(0)).getRegister();
+                masm.movq(arg0, thread);
+                AMD64Call.directCall(crb, masm, enableStackReservedZone, null, false, null);
+                if (stackAdjust > 0) {
+                    masm.addq(rsp, stackAdjust);
+                }
+                AMD64Call.directJmp(crb, masm, foreignCalls.lookupForeignCall(THROW_DELAYED_STACKOVERFLOW_ERROR));
+                masm.bind(noReserved);
+            }
+
             // Every non-stub compile method must have a poll before the return.
             AMD64HotSpotSafepointOp.emitCode(crb, masm, config, true, null, thread, scratchForSafepointOnReturn);
 
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotBackend.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotBackend.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -152,7 +152,7 @@
 
     @Override
     public LIRGenerationResult newLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, FrameMapBuilder frameMapBuilder, StructuredGraph graph, Object stub) {
-        return new HotSpotLIRGenerationResult(compilationId, lir, frameMapBuilder, makeCallingConvention(graph, (Stub) stub), stub);
+        return new HotSpotLIRGenerationResult(compilationId, lir, frameMapBuilder, makeCallingConvention(graph, (Stub) stub), stub, config.requiresReservedStackCheck(graph.getMethods()));
     }
 
     @Override
@@ -195,7 +195,9 @@
             final int frameSize = crb.frameMap.totalFrameSize();
             final int stackpoinerChange = -frameSize;
             SPARCMacroAssembler masm = (SPARCMacroAssembler) crb.asm;
-            emitStackOverflowCheck(crb);
+            if (!isStub) {
+                emitStackOverflowCheck(crb);
+            }
 
             if (SPARCAssembler.isSimm13(stackpoinerChange)) {
                 masm.save(sp, stackpoinerChange, sp);
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotLIRGenerator.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotLIRGenerator.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -194,7 +194,7 @@
             emitMove(operand, input);
         }
         Register thread = getProviders().getRegisters().getThreadRegister();
-        append(new SPARCHotSpotReturnOp(operand, getStub() != null, config, thread, getSafepointAddressValue()));
+        append(new SPARCHotSpotReturnOp(operand, getStub() != null, config, thread, getSafepointAddressValue(), getResult().requiresReservedStackAccessCheck()));
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotReturnOp.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.sparc/src/org/graalvm/compiler/hotspot/sparc/SPARCHotSpotReturnOp.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,17 +24,29 @@
 
 package org.graalvm.compiler.hotspot.sparc;
 
+import static jdk.vm.ci.sparc.SPARC.sp;
+import static org.graalvm.compiler.hotspot.HotSpotHostBackend.ENABLE_STACK_RESERVED_ZONE;
+import static org.graalvm.compiler.hotspot.HotSpotHostBackend.THROW_DELAYED_STACKOVERFLOW_ERROR;
 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.ILLEGAL;
 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
 
+import org.graalvm.compiler.asm.Label;
+import org.graalvm.compiler.asm.sparc.SPARCAddress;
+import org.graalvm.compiler.asm.sparc.SPARCAssembler;
 import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
+import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler.ScratchRegister;
+import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
+import org.graalvm.compiler.hotspot.meta.HotSpotForeignCallsProvider;
 import org.graalvm.compiler.lir.LIRInstructionClass;
 import org.graalvm.compiler.lir.Opcode;
 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
+import org.graalvm.compiler.lir.sparc.SPARCCall;
 import org.graalvm.compiler.lir.sparc.SPARCControlFlow.ReturnOp;
 
+import jdk.vm.ci.code.CallingConvention;
 import jdk.vm.ci.code.Register;
+import jdk.vm.ci.code.RegisterValue;
 import jdk.vm.ci.meta.Value;
 
 /**
@@ -47,22 +59,42 @@
 
     @Use({REG, ILLEGAL}) protected Value value;
     @Use({REG, ILLEGAL}) protected Value safepointPollAddress;
+    private final boolean requiresReservedStackAccessCheck;
     private final boolean isStub;
     private final GraalHotSpotVMConfig config;
     private final Register thread;
 
-    SPARCHotSpotReturnOp(Value value, boolean isStub, GraalHotSpotVMConfig config, Register thread, Value safepointPoll) {
+    SPARCHotSpotReturnOp(Value value, boolean isStub, GraalHotSpotVMConfig config, Register thread, Value safepointPoll, boolean requiresReservedStackAccessCheck) {
         super(TYPE, SIZE);
         this.value = value;
         this.isStub = isStub;
         this.config = config;
         this.thread = thread;
         this.safepointPollAddress = safepointPoll;
+        this.requiresReservedStackAccessCheck = requiresReservedStackAccessCheck;
     }
 
     @Override
     public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
         if (!isStub) {
+            if (requiresReservedStackAccessCheck) {
+                try (ScratchRegister sc = masm.getScratchRegister()) {
+                    HotSpotForeignCallsProvider foreignCalls = (HotSpotForeignCallsProvider) crb.foreignCalls;
+                    Label noReserved = new Label();
+                    Register scratch = sc.getRegister();
+                    masm.ldx(new SPARCAddress(thread, config.javaThreadReservedStackActivationOffset), scratch);
+                    masm.compareBranch(sp, scratch, SPARCAssembler.ConditionFlag.LessUnsigned, SPARCAssembler.CC.Xcc, noReserved, SPARCAssembler.BranchPredict.PREDICT_TAKEN, null);
+                    ForeignCallLinkage enableStackReservedZone = foreignCalls.lookupForeignCall(ENABLE_STACK_RESERVED_ZONE);
+                    CallingConvention cc = enableStackReservedZone.getOutgoingCallingConvention();
+                    assert cc.getArgumentCount() == 1;
+                    Register arg0 = ((RegisterValue) cc.getArgument(0)).getRegister();
+                    masm.mov(thread, arg0);
+                    SPARCCall.directCall(crb, masm, enableStackReservedZone, scratch, null);
+                    masm.restoreWindow();
+                    SPARCCall.indirectJmp(crb, masm, scratch, foreignCalls.lookupForeignCall(THROW_DELAYED_STACKOVERFLOW_ERROR));
+                    masm.bind(noReserved);
+                }
+            }
             // Every non-stub compile method must have a poll before the return.
             SPARCHotSpotSafepointOp.emitCode(crb, masm, config, true, null, thread, safepointPollAddress);
         }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/ReservedStackAccessTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+package org.graalvm.compiler.hotspot.test;
+
+import java.io.IOException;
+import java.util.concurrent.locks.ReentrantLock;
+import java.util.List;
+
+import org.graalvm.compiler.test.SubprocessUtil;
+import org.graalvm.compiler.test.SubprocessUtil.Subprocess;
+
+import org.junit.Assume;
+import org.junit.Before;
+import org.junit.Test;
+
+public class ReservedStackAccessTest extends HotSpotGraalCompilerTest {
+    @Before
+    public void check() {
+        Assume.assumeTrue(runtime().getVMConfig().enableStackReservedZoneAddress != 0);
+    }
+
+    public void stackAccessTest() {
+        Assume.assumeTrue(runtime().getVMConfig().enableStackReservedZoneAddress != 0);
+
+        int passed = 0;
+        for (int i = 0; i < 1000; i++) {
+            // Each iteration has to be executed by a new thread. The test
+            // relies on the random size area pushed by the VM at the beginning
+            // of the stack of each Java thread it creates.
+            RunWithSOEContext r = new RunWithSOEContext(new ReentrantLockTest(), 256);
+            Thread thread = new Thread(r);
+            thread.start();
+            try {
+                thread.join();
+                assertTrue(r.result.equals("PASSED"), r.result);
+                ++passed;
+            } catch (InterruptedException ex) {
+            }
+        }
+        System.out.println("RESULT: " + (passed == 1000 ? "PASSED" : "FAILED"));
+    }
+
+    public static void main(String[] args) {
+        new ReservedStackAccessTest().stackAccessTest();
+    }
+
+    @Test
+    public void run() throws IOException, InterruptedException {
+        Assume.assumeTrue(runtime().getVMConfig().enableStackReservedZoneAddress != 0);
+        List<String> vmArgs = SubprocessUtil.withoutDebuggerArguments(SubprocessUtil.getVMCommandLine());
+        vmArgs.add("-XX:+UseJVMCICompiler");
+        vmArgs.add("-Dgraal.Inline=false");
+        vmArgs.add("-XX:CompileCommand=exclude,java/util/concurrent/locks/AbstractOwnableSynchronizer.setExclusiveOwnerThread");
+        Subprocess proc = SubprocessUtil.java(vmArgs, ReservedStackAccessTest.class.getName());
+        boolean passed = false;
+        for (String line : proc.output) {
+            if (line.equals("RESULT: PASSED")) {
+                passed = true;
+            }
+        }
+        if (!passed) {
+            for (String line : proc.output) {
+                System.err.println("" + line);
+            }
+        }
+        assertTrue(passed);
+    }
+
+    static class ReentrantLockTest {
+
+        private ReentrantLock[] lockArray;
+        // Frame sizes vary a lot between interpreted code and compiled code
+        // so the lock array has to be big enough to cover all cases.
+        // If test fails with message "Not conclusive test", try to increase
+        // LOCK_ARRAY_SIZE value
+        private static final int LOCK_ARRAY_SIZE = 8192;
+        private boolean stackOverflowErrorReceived;
+        StackOverflowError soe = null;
+        int index = -1;
+
+        public void initialize() {
+            lockArray = new ReentrantLock[LOCK_ARRAY_SIZE];
+            for (int i = 0; i < LOCK_ARRAY_SIZE; i++) {
+                lockArray[i] = new ReentrantLock();
+            }
+            stackOverflowErrorReceived = false;
+        }
+
+        public String getResult() {
+            if (!stackOverflowErrorReceived) {
+                return "ERROR: Not conclusive test: no StackOverflowError received";
+            }
+            for (int i = 0; i < LOCK_ARRAY_SIZE; i++) {
+                if (lockArray[i].isLocked()) {
+                    if (!lockArray[i].isHeldByCurrentThread()) {
+                        StringBuilder s = new StringBuilder();
+                        s.append("FAILED: ReentrantLock ");
+                        s.append(i);
+                        s.append(" looks corrupted");
+                        return s.toString();
+                    }
+                }
+            }
+            return "PASSED";
+        }
+
+        public void run() {
+            try {
+                lockAndCall(0);
+            } catch (StackOverflowError e) {
+                soe = e;
+                stackOverflowErrorReceived = true;
+            }
+        }
+
+        private void lockAndCall(int i) {
+            index = i;
+            if (i < LOCK_ARRAY_SIZE) {
+                lockArray[i].lock();
+                lockAndCall(i + 1);
+            }
+        }
+    }
+
+    static class RunWithSOEContext implements Runnable {
+
+        int counter;
+        int deframe;
+        int decounter;
+        int setupSOEFrame;
+        int testStartFrame;
+        ReentrantLockTest test;
+        String result = "FAILED: no result";
+
+        RunWithSOEContext(ReentrantLockTest test, int deframe) {
+            this.test = test;
+            this.deframe = deframe;
+        }
+
+        @Override
+        public void run() {
+            counter = 0;
+            decounter = deframe;
+            test.initialize();
+            recursiveCall();
+            System.out.println("Framework got StackOverflowError at frame = " + counter);
+            System.out.println("Test started execution at frame = " + (counter - deframe));
+            result = test.getResult();
+        }
+
+        @SuppressWarnings("unused")
+        void recursiveCall() {
+            // Unused local variables to increase the frame size
+            long l1;
+            long l2;
+            long l3;
+            long l4;
+            long l5;
+            long l6;
+            long l7;
+            long l8;
+            long l9;
+            long l10;
+            long l11;
+            long l12;
+            long l13;
+            long l14;
+            long l15;
+            long l16;
+            long l17;
+            long l18;
+            long l19;
+            long l20;
+            long l21;
+            long l22;
+            long l23;
+            long l24;
+            long l25;
+            long l26;
+            long l27;
+            long l28;
+            long l30;
+            long l31;
+            long l32;
+            long l33;
+            long l34;
+            long l35;
+            long l36;
+            long l37;
+            counter++;
+            try {
+                recursiveCall();
+            } catch (StackOverflowError e) {
+            }
+            decounter--;
+            if (decounter == 0) {
+                setupSOEFrame = counter;
+                testStartFrame = counter - deframe;
+                test.run();
+            }
+        }
+    }
+
+}
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java	Thu Jul 19 10:17:22 2018 -0700
@@ -26,12 +26,15 @@
 
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
+import java.util.List;
 
 import org.graalvm.compiler.core.common.CompressEncoding;
 import org.graalvm.compiler.hotspot.nodes.GraalHotSpotVMConfigNode;
 
 import jdk.vm.ci.common.JVMCIError;
+import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
 import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
+import jdk.vm.ci.meta.ResolvedJavaMethod;
 
 /**
  * Used to access native configuration details.
@@ -315,6 +318,17 @@
     public final int jvmciCountersThreadOffset = getFieldOffset("JavaThread::_jvmci_counters", Integer.class, "jlong*");
     public final int javaThreadReservedStackActivationOffset = versioned.javaThreadReservedStackActivationOffset;
 
+    public boolean requiresReservedStackCheck(List<ResolvedJavaMethod> methods) {
+        if (enableStackReservedZoneAddress != 0 && methods != null) {
+            for (ResolvedJavaMethod method : methods) {
+                if (((HotSpotResolvedJavaMethod) method).hasReservedStackAccess()) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
     /**
      * An invalid value for {@link #rtldDefault}.
      */
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotHostBackend.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotHostBackend.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,6 +50,7 @@
 import jdk.vm.ci.meta.JavaKind;
 import jdk.vm.ci.meta.JavaType;
 import jdk.vm.ci.runtime.JVMCICompiler;
+import org.graalvm.compiler.word.Word;
 
 /**
  * Common functionality of HotSpot host backends.
@@ -66,6 +67,10 @@
      */
     public static final ForeignCallDescriptor UNCOMMON_TRAP_HANDLER = new ForeignCallDescriptor("uncommonTrapHandler", void.class);
 
+    public static final ForeignCallDescriptor ENABLE_STACK_RESERVED_ZONE = new ForeignCallDescriptor("enableStackReservedZoneEntry", void.class, Word.class);
+
+    public static final ForeignCallDescriptor THROW_DELAYED_STACKOVERFLOW_ERROR = new ForeignCallDescriptor("throwDelayedStackoverflowError", void.class);
+
     protected final GraalHotSpotVMConfig config;
 
     public HotSpotHostBackend(GraalHotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime, HotSpotProviders providers) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotLIRGenerationResult.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotLIRGenerationResult.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -46,6 +46,7 @@
      */
     private StackSlot deoptimizationRescueSlot;
     protected final Object stub;
+    private final boolean requiresReservedStackAccessCheck;
 
     private int maxInterpreterFrameSize;
 
@@ -55,9 +56,11 @@
      */
     private EconomicMap<LIRFrameState, SaveRegistersOp> calleeSaveInfo = EconomicMap.create(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE);
 
-    public HotSpotLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, FrameMapBuilder frameMapBuilder, CallingConvention callingConvention, Object stub) {
+    public HotSpotLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, FrameMapBuilder frameMapBuilder, CallingConvention callingConvention, Object stub,
+                    boolean requiresReservedStackAccessCheck) {
         super(compilationId, lir, frameMapBuilder, callingConvention);
         this.stub = stub;
+        this.requiresReservedStackAccessCheck = requiresReservedStackAccessCheck;
     }
 
     public EconomicMap<LIRFrameState, SaveRegistersOp> getCalleeSaveInfo() {
@@ -83,4 +86,8 @@
     public int getMaxInterpreterFrameSize() {
         return maxInterpreterFrameSize;
     }
+
+    public boolean requiresReservedStackAccessCheck() {
+        return requiresReservedStackAccessCheck;
+    }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotHostForeignCallsProvider.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotHostForeignCallsProvider.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -66,6 +66,8 @@
 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.SAFEPOINT;
 import static org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage.Transition.STACK_INSPECTABLE_LEAF;
 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.DEOPTIMIZATION_HANDLER;
+import static org.graalvm.compiler.hotspot.HotSpotHostBackend.ENABLE_STACK_RESERVED_ZONE;
+import static org.graalvm.compiler.hotspot.HotSpotHostBackend.THROW_DELAYED_STACKOVERFLOW_ERROR;
 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.UNCOMMON_TRAP_HANDLER;
 import static org.graalvm.compiler.hotspot.replacements.AssertionSnippets.ASSERTION_VM_MESSAGE_C;
 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.MARK_WORD_LOCATION;
@@ -251,6 +253,12 @@
         registerForeignCall(UNCOMMON_TRAP_HANDLER, c.uncommonTrapStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
         registerForeignCall(IC_MISS_HANDLER, c.inlineCacheMissStub, NativeCall, PRESERVES_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
 
+        if (c.enableStackReservedZoneAddress != 0) {
+            assert c.throwDelayedStackOverflowErrorEntry != 0 : "both must exist";
+            registerForeignCall(ENABLE_STACK_RESERVED_ZONE, c.enableStackReservedZoneAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
+            registerForeignCall(THROW_DELAYED_STACKOVERFLOW_ERROR, c.throwDelayedStackOverflowErrorEntry, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
+        }
+
         registerForeignCall(JAVA_TIME_MILLIS, c.javaTimeMillisAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
         registerForeignCall(JAVA_TIME_NANOS, c.javaTimeNanosAddress, NativeCall, DESTROYS_REGISTERS, LEAF_NOFP, REEXECUTABLE, NO_LOCATIONS);
         registerForeignCall(SIN.foreignCallDescriptor, c.arithmeticSinAddress, NativeCall, DESTROYS_REGISTERS, LEAF, REEXECUTABLE, NO_LOCATIONS);
--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/MethodWriterImpl.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/MethodWriterImpl.java	Thu Jul 19 10:17:22 2018 -0700
@@ -140,7 +140,8 @@
      */
     @Override
     public Content getSignature(ExecutableElement method) {
-        Content pre = new HtmlTree(HtmlTag.PRE);
+        HtmlTree pre = new HtmlTree(HtmlTag.PRE);
+        pre.setStyle(HtmlStyle.methodSignature);
         writer.addAnnotationInfo(method, pre);
         int annotationLength = pre.charCount();
         addModifiers(method, pre);
--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlStyle.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/HtmlStyle.java	Thu Jul 19 10:17:22 2018 -0700
@@ -83,6 +83,7 @@
     memberNameLabel,
     memberNameLink,
     memberSummary,
+    methodSignature,
     moduleLabelInPackage,
     moduleLabelInType,
     nameValue,
--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/stylesheet.css	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/stylesheet.css	Thu Jul 19 10:17:22 2018 -0700
@@ -827,7 +827,7 @@
     margin: -100px 0 0 100px;
     z-index: 1;
 }
-.details pre {
+.methodSignature {
     white-space:normal;
 }
 
--- a/src/jdk.jdwp.agent/share/native/libjdwp/transport.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.jdwp.agent/share/native/libjdwp/transport.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -211,7 +211,7 @@
         JNI_FUNC_PTR(env,GetJavaVM)(env, &jvm);
 
         /* Try version 1.1 first, fallback to 1.0 on error */
-        for (i = 0; i < sizeof(supported_versions); ++i) {
+        for (i = 0; i < sizeof(supported_versions)/sizeof(jint); ++i) {
             rc = (*onLoad)(jvm, &callback, supported_versions[i], &t);
             if (rc != JNI_EVERSION) {
                 info->transportVersion = supported_versions[i];
--- a/src/jdk.pack/share/native/common-unpack/unpack.cpp	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.pack/share/native/common-unpack/unpack.cpp	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2681,6 +2681,9 @@
     PRINTCR((1, "counted %d [redefined = %d predefined = %d] attributes of type %s.%s",
             count, isRedefined(idx), isPredefined(idx),
             ATTR_CONTEXT_NAME[attrc], lo->name));
+  } else {
+    abort("layout_definition pointer must not be NULL");
+    return;
   }
   bool hasCallables = lo->hasCallables();
   band** bands = lo->bands();
--- a/src/jdk.security.auth/unix/native/libjaas/Unix.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/src/jdk.security.auth/unix/native/libjaas/Unix.c	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -64,6 +64,9 @@
     jclass cls;
 
     numSuppGroups = getgroups(0, NULL);
+    if (numSuppGroups == -1) {
+        return;
+    }
     groups = (gid_t *)calloc(numSuppGroups, sizeof(gid_t));
     if (groups == NULL) {
         jclass cls = (*env)->FindClass(env,"java/lang/OutOfMemoryError");
--- a/test/hotspot/jtreg/ProblemList-graal.txt	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/ProblemList-graal.txt	Thu Jul 19 10:17:22 2018 -0700
@@ -67,8 +67,6 @@
 
 gc/TestNUMAPageSize.java                                        8194949   generic-all
 
-runtime/ReservedStack/ReservedStackTestCompiler.java            8181855   generic-all
-
 serviceability/jvmti/GetModulesInfo/JvmtiGetAllModulesTest.java 8195156   generic-all
 
 compiler/compilercontrol/directives/LogTest.java                8181753   generic-all
@@ -116,20 +114,17 @@
 vmTestbase/nsk/jvmti/scenarios/sampling/SP07/sp07t002/TestDescription.java                         8191047   generic-all
 vmTestbase/nsk/jdi/ThreadReference/forceEarlyReturn/forceEarlyReturn009/forceEarlyReturn009.java   8191047   generic-all
 
-vmTestbase/nsk/jdi/ReferenceType/instances/instances001/instances001.java                          8195600   generic-all
 vmTestbase/nsk/jdi/ThreadReference/forceEarlyReturn/forceEarlyReturn007/TestDescription.java       8195600   generic-all
 
 vmTestbase/nsk/jdi/ArrayType/newInstance/newinstance001/TestDescription.java                              8203174   generic-all
 vmTestbase/nsk/jdi/ArrayType/newInstance/newinstance002/TestDescription.java                              8203174   generic-all
 vmTestbase/nsk/jdi/ArrayType/newInstance/newinstance003/TestDescription.java                              8203174   generic-all
-vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects001/referringObjects001.java          8203174   generic-all
 vmTestbase/nsk/jdi/ReferenceType/instances/instances002/instances002.java                                 8203174   generic-all
 vmTestbase/nsk/jdi/ReferenceType/instances/instances003/instances003.java                                 8203174   generic-all
 vmTestbase/nsk/jdi/stress/MonitorEvents/MonitorEvents002/TestDescription.java                             8203174   generic-all
 vmTestbase/nsk/jdi/stress/serial/heapwalking001/TestDescription.java                                      8203174   generic-all
 vmTestbase/nsk/jdi/stress/serial/heapwalking002/TestDescription.java                                      8203174   generic-all
 vmTestbase/nsk/jdi/stress/serial/mixed002/TestDescription.java                                            8203174   generic-all
-vmTestbase/nsk/jdi/VMOutOfMemoryException/VMOutOfMemoryException001/VMOutOfMemoryException001.java        8203174   generic-all
 
 vmTestbase/nsk/jdi/VirtualMachine/redefineClasses/redefineclasses026/TestDescription.java   8195627   generic-all
 vmTestbase/nsk/jdi/VirtualMachine/redefineClasses/redefineclasses028/TestDescription.java   8195627   generic-all
@@ -175,6 +170,7 @@
 org.graalvm.compiler.hotspot.test.CompilationWrapperTest                         8205081
 org.graalvm.compiler.hotspot.test.HsErrLogTest                                   8205081
 org.graalvm.compiler.hotspot.test.OptionsInFileTest                              8205081
+org.graalvm.compiler.hotspot.test.ReservedStackAccessTest                        8205081
 org.graalvm.compiler.replacements.test.classfile.ClassfileBytecodeProviderTest   8205081
 org.graalvm.compiler.replacements.test.classfile.RedefineIntrinsicTest           8205081
 
--- a/test/hotspot/jtreg/ProblemList.txt	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/ProblemList.txt	Thu Jul 19 10:17:22 2018 -0700
@@ -81,8 +81,7 @@
 
 serviceability/sa/TestRevPtrsForInvokeDynamic.java   8191270 generic-all
 serviceability/sa/sadebugd/SADebugDTest.java         8163805 generic-all
-serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatArrayCorrectnessTest.java 8205541 generic-all
-serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatRateTest.java 8205652 generic-all
+serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatRateTest.java 8207765 generic-all
 
 #############################################################################
 
--- a/test/hotspot/jtreg/compiler/graalunit/JttLangMTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * @test
- * @summary
- * @requires vm.opt.final.EnableJVMCI == true
- *
- * @modules jdk.internal.vm.compiler
- *
- * @library /test/lib /compiler/graalunit /
- *
- * @build compiler.graalunit.common.GraalUnitTestLauncher
- *
- * @run driver jdk.test.lib.FileInstaller ../../ProblemList-graal.txt ExcludeList.txt
- *
- * @run main/othervm compiler.graalunit.common.GraalUnitTestLauncher -prefix org.graalvm.compiler.jtt.lang.[mM] -exclude ExcludeList.txt
- */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/graalunit/JttLangMathALTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary
+ * @requires vm.opt.final.EnableJVMCI == true
+ *
+ * @modules jdk.internal.vm.compiler
+ *
+ * @library /test/lib /compiler/graalunit /
+ *
+ * @build compiler.graalunit.common.GraalUnitTestLauncher
+ *
+ * @run driver jdk.test.lib.FileInstaller ../../ProblemList-graal.txt ExcludeList.txt
+ *
+ * @run main/othervm compiler.graalunit.common.GraalUnitTestLauncher -prefix org.graalvm.compiler.jtt.lang.Math_[a-lA-L] -exclude ExcludeList.txt
+ */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/graalunit/JttLangMathMZTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary
+ * @requires vm.opt.final.EnableJVMCI == true
+ *
+ * @modules jdk.internal.vm.compiler
+ *
+ * @library /test/lib /compiler/graalunit /
+ *
+ * @build compiler.graalunit.common.GraalUnitTestLauncher
+ *
+ * @run driver jdk.test.lib.FileInstaller ../../ProblemList-graal.txt ExcludeList.txt
+ *
+ * @run main/othervm compiler.graalunit.common.GraalUnitTestLauncher -prefix org.graalvm.compiler.jtt.lang.Math_[m-zM-Z] -exclude ExcludeList.txt
+ */
--- a/test/hotspot/jtreg/compiler/graalunit/JttReflectFTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * @test
- * @summary
- * @requires vm.opt.final.EnableJVMCI == true
- *
- * @modules jdk.internal.vm.compiler
- *
- * @library /test/lib /compiler/graalunit /
- *
- * @build compiler.graalunit.common.GraalUnitTestLauncher
- *
- * @run driver jdk.test.lib.FileInstaller ../../ProblemList-graal.txt ExcludeList.txt
- *
- * @run main/othervm compiler.graalunit.common.GraalUnitTestLauncher -prefix org.graalvm.compiler.jtt.reflect.[fF] -exclude ExcludeList.txt
- */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/graalunit/JttReflectFieldGetTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary
+ * @requires vm.opt.final.EnableJVMCI == true
+ *
+ * @modules jdk.internal.vm.compiler
+ *
+ * @library /test/lib /compiler/graalunit /
+ *
+ * @build compiler.graalunit.common.GraalUnitTestLauncher
+ *
+ * @run driver jdk.test.lib.FileInstaller ../../ProblemList-graal.txt ExcludeList.txt
+ *
+ * @run main/othervm compiler.graalunit.common.GraalUnitTestLauncher -prefix org.graalvm.compiler.jtt.reflect.Field_get -exclude ExcludeList.txt
+ */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/graalunit/JttReflectFieldSetTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary
+ * @requires vm.opt.final.EnableJVMCI == true
+ *
+ * @modules jdk.internal.vm.compiler
+ *
+ * @library /test/lib /compiler/graalunit /
+ *
+ * @build compiler.graalunit.common.GraalUnitTestLauncher
+ *
+ * @run driver jdk.test.lib.FileInstaller ../../ProblemList-graal.txt ExcludeList.txt
+ *
+ * @run main/othervm compiler.graalunit.common.GraalUnitTestLauncher -prefix org.graalvm.compiler.jtt.reflect.Field_set -exclude ExcludeList.txt
+ */
--- a/test/hotspot/jtreg/compiler/graalunit/TestPackages.txt	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/compiler/graalunit/TestPackages.txt	Thu Jul 19 10:17:22 2018 -0700
@@ -25,13 +25,15 @@
 JttHotspot    org.graalvm.compiler.jtt.hotspot
 JttJdk        org.graalvm.compiler.jtt.jdk
 JttLangAL     org.graalvm.compiler.jtt.lang.[a-lA-L]
-JttLangM      org.graalvm.compiler.jtt.lang.[mM]
+JttLangMathAL org.graalvm.compiler.jtt.lang.Math_[a-lA-L]
+JttLangMathMZ org.graalvm.compiler.jtt.lang.Math_[m-zM-Z]
 JttLangNZ     org.graalvm.compiler.jtt.lang.[n-zN-Z]
 JttLoop       org.graalvm.compiler.jtt.loop
 Jtt.Micro     org.graalvm.compiler.jtt.micro
 JttOptimize   org.graalvm.compiler.jtt.optimize
 JttReflectAE  org.graalvm.compiler.jtt.reflect.[a-eA-E]
-JttReflectF   org.graalvm.compiler.jtt.reflect.[fF]
+JttReflectFieldGet org.graalvm.compiler.jtt.reflect.Field_get
+JttReflectFieldSet org.graalvm.compiler.jtt.reflect.Field_set
 JttReflectGZ  org.graalvm.compiler.jtt.reflect.[g-zG-Z]
 JttThreads    org.graalvm.compiler.jtt.threads
 LirJtt        org.graalvm.compiler.lir.jtt
--- a/test/hotspot/jtreg/compiler/graalunit/common/GraalUnitTestLauncher.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/compiler/graalunit/common/GraalUnitTestLauncher.java	Thu Jul 19 10:17:22 2018 -0700
@@ -124,6 +124,8 @@
             throw new Exception("Failed to find tests, VM crashed with exit code " + exitCode);
         }
 
+        System.out.println("INFO: command output: [" + out.getOutput() + "]");
+
         String[] lines = out.getStdout().split(" ");
         if (lines.length > 1) { // first line contains jar file name
             for (int i = 1; i < lines.length; i++) {
--- a/test/hotspot/jtreg/compiler/rtm/locking/TestRTMAbortRatio.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/compiler/rtm/locking/TestRTMAbortRatio.java	Thu Jul 19 10:17:22 2018 -0700
@@ -130,7 +130,7 @@
 
         @Override
         public String[] getMethodsToCompileNames() {
-            return new String[] { getMethodWithLockName() };
+            return new String[] { getMethodWithLockName(), "*.pageSize" };
         }
 
         public void lock(boolean abort) {
--- a/test/hotspot/jtreg/compiler/rtm/locking/TestRTMSpinLoopCount.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/compiler/rtm/locking/TestRTMSpinLoopCount.java	Thu Jul 19 10:17:22 2018 -0700
@@ -47,6 +47,7 @@
 import jdk.test.lib.Asserts;
 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.cli.CommandLineOptionTest;
+import jdk.test.lib.Platform;
 
 import java.util.List;
 
@@ -59,11 +60,18 @@
     private static final int RTM_RETRY_COUNT = 1000;
     private static final boolean INFLATE_MONITOR = true;
     private static final long MAX_ABORTS = RTM_RETRY_COUNT + 1L;
-    private static final int[] SPIN_LOOP_COUNTS
-            = new int[] { 0, 100, 1_000, 10_000, 100_000 };
+    private static int[] SPIN_LOOP_COUNTS;
 
     protected void runTestCases() throws Throwable {
+
+        if (Platform.isPPC()) {
+            SPIN_LOOP_COUNTS = new int[] { 0, 10, 100, 1_000, 10_000 };
+        } else {
+            SPIN_LOOP_COUNTS = new int[] { 0, 100, 1_000, 10_000, 100_000 };
+        }
+
         long[] aborts = new long[TestRTMSpinLoopCount.SPIN_LOOP_COUNTS.length];
+
         for (int i = 0; i < TestRTMSpinLoopCount.SPIN_LOOP_COUNTS.length; i++) {
             aborts[i] = getAbortsCountOnLockBusy(
                     TestRTMSpinLoopCount.SPIN_LOOP_COUNTS[i]);
--- a/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitor.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitor.java	Thu Jul 19 10:17:22 2018 -0700
@@ -45,8 +45,8 @@
     }
   }
 
-  /** Set a specific sampling rate, 0 samples every allocation. */
-  public native static void setSamplingRate(int rate);
+  /** Set a specific sampling interval, 0 samples every allocation. */
+  public native static void setSamplingInterval(int interval);
   public native static void enableSamplingEvents();
   public native static boolean enableSamplingEventsForTwoThreads(Thread firstThread, Thread secondThread);
   public native static void disableSamplingEvents();
@@ -131,7 +131,7 @@
 
   public static int[][][] sampleEverything() {
     enableSamplingEvents();
-    setSamplingRate(0);
+    setSamplingInterval(0);
 
     // Loop around an allocation loop and wait until the tlabs have settled.
     final int maxTries = 10;
--- a/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorArrayAllSampledTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorArrayAllSampledTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -26,7 +26,7 @@
 /**
  * @test
  * @build Frame HeapMonitor
- * @summary Verifies the JVMTI Heap Monitor rate when allocating arrays.
+ * @summary Verifies the JVMTI Heap Monitor interval when allocating arrays.
  * @compile HeapMonitorArrayAllSampledTest.java
  * @run main/othervm/native -agentlib:HeapMonitorTest MyPackage.HeapMonitorArrayAllSampledTest
  */
@@ -46,7 +46,7 @@
   public static void main(String[] args) {
     int sizes[] = {1000, 10000, 100000, 1000000};
 
-    HeapMonitor.setSamplingRate(0);
+    HeapMonitor.setSamplingInterval(0);
     HeapMonitor.enableSamplingEvents();
 
     for (int currentSize : sizes) {
@@ -56,8 +56,8 @@
       allocate(currentSize);
 
       // 10% error ensures a sanity test without becoming flaky.
-      // Flakiness is due to the fact that this test is dependent on the sampling rate, which is a
-      // statistical geometric variable around the sampling rate. This means that the test could be
+      // Flakiness is due to the fact that this test is dependent on the sampling interval, which is a
+      // statistical geometric variable around the sampling interval. This means that the test could be
       // unlucky and not achieve the mean average fast enough for the test case.
       if (!HeapMonitor.statsHaveExpectedNumberSamples(maxIteration, 10)) {
         throw new RuntimeException("Statistics should show about " + maxIteration + " samples.");
--- a/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorIllegalArgumentTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorIllegalArgumentTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -25,7 +25,7 @@
 
 /**
  * @test
- * @summary Verifies the JVMTI SetHeapSamplingRate returns an illegal argument for negative ints.
+ * @summary Verifies the JVMTI SetHeapSamplingInterval returns an illegal argument for negative ints.
  * @build Frame HeapMonitor
  * @compile HeapMonitorIllegalArgumentTest.java
  * @run main/othervm/native -agentlib:HeapMonitorTest MyPackage.HeapMonitorIllegalArgumentTest
--- a/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatArrayCorrectnessTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatArrayCorrectnessTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -26,7 +26,7 @@
 /**
  * @test
  * @build Frame HeapMonitor
- * @summary Verifies the JVMTI Heap Monitor rate when allocating arrays.
+ * @summary Verifies the JVMTI Heap Monitor interval when allocating arrays.
  * @compile HeapMonitorStatArrayCorrectnessTest.java
  * @run main/othervm/native -agentlib:HeapMonitorTest MyPackage.HeapMonitorStatArrayCorrectnessTest
  */
@@ -46,8 +46,6 @@
   public static void main(String[] args) {
     int sizes[] = {1000, 10000, 100000};
 
-    HeapMonitor.enableSamplingEvents();
-
     for (int currentSize : sizes) {
       System.out.println("Testing size " + currentSize);
 
@@ -56,12 +54,16 @@
         throw new RuntimeException("Should not have any events stored yet.");
       }
 
+      HeapMonitor.enableSamplingEvents();
+
       // 111 is as good a number as any.
       final int samplingMultiplier = 111;
-      HeapMonitor.setSamplingRate(samplingMultiplier * currentSize);
+      HeapMonitor.setSamplingInterval(samplingMultiplier * currentSize);
 
       allocate(currentSize);
 
+      HeapMonitor.disableSamplingEvents();
+
       // For simplifications, we ignore the array memory usage for array internals (with the array
       // sizes requested, it should be a negligible oversight).
       //
@@ -77,8 +79,8 @@
       expected /= samplingMultiplier;
 
       // 10% error ensures a sanity test without becoming flaky.
-      // Flakiness is due to the fact that this test is dependent on the sampling rate, which is a
-      // statistical geometric variable around the sampling rate. This means that the test could be
+      // Flakiness is due to the fact that this test is dependent on the sampling interval, which is a
+      // statistical geometric variable around the sampling interval. This means that the test could be
       // unlucky and not achieve the mean average fast enough for the test case.
       if (!HeapMonitor.statsHaveExpectedNumberSamples((int) expected, 10)) {
         throw new RuntimeException("Statistics should show about " + expected + " samples.");
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatIntervalTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2018, Google and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package MyPackage;
+
+/**
+ * @test
+ * @summary Verifies the JVMTI Heap Monitor sampling interval average.
+ * @build Frame HeapMonitor
+ * @compile HeapMonitorStatIntervalTest.java
+ * @requires vm.compMode != "Xcomp"
+ * @run main/othervm/native -agentlib:HeapMonitorTest MyPackage.HeapMonitorStatIntervalTest
+ */
+
+public class HeapMonitorStatIntervalTest {
+
+  private native static double getAverageInterval();
+
+  private static boolean testIntervalOnce(int interval, boolean throwIfFailure) {
+    HeapMonitor.resetEventStorage();
+    HeapMonitor.setSamplingInterval(interval);
+
+    HeapMonitor.enableSamplingEvents();
+
+    int allocationTotal = 10 * 1024 * 1024;
+    int allocationIterations = 10;
+
+    double actualCount = 0;
+    for (int i = 0; i < allocationIterations; i++) {
+      HeapMonitor.resetEventStorage();
+      HeapMonitor.allocateSize(allocationTotal);
+      actualCount += HeapMonitor.getEventStorageElementCount();
+    }
+
+    HeapMonitor.disableSamplingEvents();
+
+    double expectedCount = allocationTotal * allocationIterations / interval;
+
+    double error = Math.abs(actualCount - expectedCount);
+    double errorPercentage = error / expectedCount * 100;
+
+    boolean success = (errorPercentage < 10.0);
+
+    if (!success && throwIfFailure) {
+      throw new RuntimeException("Interval average over 10% for interval " + interval + " -> "
+          + actualCount + ", " + expectedCount);
+    }
+
+    return success;
+  }
+
+
+  private static void testInterval(int interval) {
+    // Test the interval twice, it can happen that the test is "unlucky" and the interval just goes above
+    // the 10% mark. So try again to squash flakiness.
+    // Flakiness is due to the fact that this test is dependent on the sampling interval, which is a
+    // statistical geometric variable around the sampling interval. This means that the test could be
+    // unlucky and not achieve the mean average fast enough for the test case.
+    if (!testIntervalOnce(interval, false)) {
+      testIntervalOnce(interval, true);
+    }
+  }
+
+  public static void main(String[] args) {
+    int[] tab = {1024, 8192};
+
+    for (int intervalIdx = 0; intervalIdx < tab.length; intervalIdx++) {
+      testInterval(tab[intervalIdx]);
+    }
+  }
+}
--- a/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatObjectCorrectnessTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatObjectCorrectnessTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -41,19 +41,22 @@
   private native static boolean statsHaveExpectedNumberSamples(int expected, int percentError);
 
   private static void allocate() {
+    emptyStorage();
+
+    HeapMonitor.enableSamplingEvents();
     for (int j = 0; j < maxIteration; j++) {
       obj = new BigObject();
     }
+    HeapMonitor.disableSamplingEvents();
   }
 
-  private static void testBigAllocationRate() {
+  private static void testBigAllocationInterval() {
     final int sizeObject = 1400;
 
     // 111 is as good a number as any.
     final int samplingMultiplier = 111;
-    HeapMonitor.setSamplingRate(samplingMultiplier * sizeObject);
+    HeapMonitor.setSamplingInterval(samplingMultiplier * sizeObject);
 
-    emptyStorage();
     allocate();
 
     // For simplifications, the code is allocating:
@@ -76,8 +79,8 @@
     expected /= samplingMultiplier;
 
     // 10% error ensures a sanity test without becoming flaky.
-    // Flakiness is due to the fact that this test is dependent on the sampling rate, which is a
-    // statistical geometric variable around the sampling rate. This means that the test could be
+    // Flakiness is due to the fact that this test is dependent on the sampling interval, which is a
+    // statistical geometric variable around the sampling interval. This means that the test could be
     // unlucky and not achieve the mean average fast enough for the test case.
     if (!HeapMonitor.statsHaveExpectedNumberSamples((int) expected, 10)) {
       throw new RuntimeException("Statistics should show about " + expected + " samples.");
@@ -94,16 +97,15 @@
 
   private static void testEveryAllocationSampled() {
     // 0 means sample every allocation.
-    HeapMonitor.setSamplingRate(0);
+    HeapMonitor.setSamplingInterval(0);
 
-    emptyStorage();
     allocate();
 
     double expected = maxIteration;
 
     // 10% error ensures a sanity test without becoming flaky.
-    // Flakiness is due to the fact that this test is dependent on the sampling rate, which is a
-    // statistical geometric variable around the sampling rate. This means that the test could be
+    // Flakiness is due to the fact that this test is dependent on the sampling interval, which is a
+    // statistical geometric variable around the sampling interval. This means that the test could be
     // unlucky and not achieve the mean average fast enough for the test case.
     if (!HeapMonitor.statsHaveExpectedNumberSamples((int) expected, 10)) {
       throw new RuntimeException("Statistics should show about " + expected + " samples.");
@@ -111,9 +113,7 @@
   }
 
   public static void main(String[] args) {
-    HeapMonitor.enableSamplingEvents();
-
-    testBigAllocationRate();
+    testBigAllocationInterval();
     testEveryAllocationSampled();
   }
 
--- a/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatRateTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,85 +0,0 @@
-/*
- * Copyright (c) 2018, Google and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package MyPackage;
-
-/**
- * @test
- * @summary Verifies the JVMTI Heap Monitor sampling rate average.
- * @build Frame HeapMonitor
- * @compile HeapMonitorStatRateTest.java
- * @requires vm.compMode != "Xcomp"
- * @run main/othervm/native -agentlib:HeapMonitorTest MyPackage.HeapMonitorStatRateTest
- */
-
-public class HeapMonitorStatRateTest {
-
-  private native static double getAverageRate();
-
-  private static boolean testRateOnce(int rate, boolean throwIfFailure) {
-    HeapMonitor.resetEventStorage();
-    HeapMonitor.setSamplingRate(rate);
-
-    HeapMonitor.enableSamplingEvents();
-
-    int allocationTotal = 10 * 1024 * 1024;
-    HeapMonitor.allocateSize(allocationTotal);
-
-    HeapMonitor.disableSamplingEvents();
-
-    double actualCount = HeapMonitor.getEventStorageElementCount();
-    double expectedCount = allocationTotal / rate;
-
-    double error = Math.abs(actualCount - expectedCount);
-    double errorPercentage = error / expectedCount * 100;
-
-    boolean failure = (errorPercentage > 10.0);
-
-    if (failure && throwIfFailure) {
-      throw new RuntimeException("Rate average over 10% for rate " + rate + " -> " + actualCount
-          + ", " + expectedCount);
-    }
-
-    return failure;
-  }
-
-
-  private static void testRate(int rate) {
-    // Test the rate twice, it can happen that the test is "unlucky" and the rate just goes above
-    // the 10% mark. So try again to squash flakiness.
-    // Flakiness is due to the fact that this test is dependent on the sampling rate, which is a
-    // statistical geometric variable around the sampling rate. This means that the test could be
-    // unlucky and not achieve the mean average fast enough for the test case.
-    if (!testRateOnce(rate, false)) {
-      testRateOnce(rate, true);
-    }
-  }
-
-  public static void main(String[] args) {
-    int[] tab = {1024, 8192};
-
-    for (int rateIdx = 0; rateIdx < tab.length; rateIdx++) {
-      testRate(tab[rateIdx]);
-    }
-  }
-}
--- a/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorThreadTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorThreadTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -41,8 +41,8 @@
     final int numThreads = 5;
     List<ThreadInformation> threadList = ThreadInformation.createThreadList(numThreads);
 
-    // Sample at a rate of 8k.
-    HeapMonitor.setSamplingRate(1 << 13);
+    // Sample at a interval of 8k.
+    HeapMonitor.setSamplingInterval(1 << 13);
     HeapMonitor.enableSamplingEvents();
 
     System.err.println("Starting threads");
--- a/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorVMEventsTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorVMEventsTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -62,10 +62,10 @@
     double diff = Math.abs(first - second) * 100;
     diff /= first;
 
-    // Accept a 10% error rate: with objects being allocated: this allows a bit of room in
+    // Accept a 10% error interval: with objects being allocated: this allows a bit of room in
     // case other items are getting allocated during the test.
     if (diff > 10) {
-      throw new RuntimeException("Error rate is over the accepted rate: " + diff
+      throw new RuntimeException("Error interval is over the accepted interval: " + diff
           + ": " + first + " , " + second);
     }
   }
--- a/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/libHeapMonitorTest.c	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/libHeapMonitorTest.c	Thu Jul 19 10:17:22 2018 -0700
@@ -45,7 +45,7 @@
 
 #define TRUE 1
 #define FALSE 0
-#define PRINT_OUT 0
+#define PRINT_OUT 1
 
 static jvmtiEnv *jvmti = NULL;
 static jvmtiEnv *second_jvmti = NULL;
@@ -369,7 +369,7 @@
   return result;
 }
 
-static double event_storage_get_average_rate(EventStorage* storage) {
+static double event_storage_get_average_interval(EventStorage* storage) {
   double accumulation = 0;
   int max_size;
   int i;
@@ -839,8 +839,8 @@
 }
 
 JNIEXPORT void JNICALL
-Java_MyPackage_HeapMonitor_setSamplingRate(JNIEnv* env, jclass cls, jint value) {
-  (*jvmti)->SetHeapSamplingRate(jvmti, value);
+Java_MyPackage_HeapMonitor_setSamplingInterval(JNIEnv* env, jclass cls, jint value) {
+  (*jvmti)->SetHeapSamplingInterval(jvmti, value);
 }
 
 JNIEXPORT jboolean JNICALL
@@ -940,8 +940,8 @@
     return FALSE;
   }
 
-  if (check_capability_error((*jvmti)->SetHeapSamplingRate(jvmti, 1<<19),
-                             "Set Heap Sampling Rate")) {
+  if (check_capability_error((*jvmti)->SetHeapSamplingInterval(jvmti, 1<<19),
+                             "Set Heap Sampling Interval")) {
     return FALSE;
   }
   return TRUE;
@@ -950,23 +950,23 @@
 JNIEXPORT jboolean JNICALL
 Java_MyPackage_HeapMonitorIllegalArgumentTest_testIllegalArgument(JNIEnv *env,
                                                                   jclass cls) {
-  if (check_error((*jvmti)->SetHeapSamplingRate(jvmti, 0),
-                  "Sampling rate 0 failed\n")){
+  if (check_error((*jvmti)->SetHeapSamplingInterval(jvmti, 0),
+                  "Sampling interval 0 failed\n")){
     return FALSE;
   }
 
-  if (check_error((*jvmti)->SetHeapSamplingRate(jvmti, 1024),
-                  "Sampling rate 1024 failed\n")){
+  if (check_error((*jvmti)->SetHeapSamplingInterval(jvmti, 1024),
+                  "Sampling interval 1024 failed\n")){
     return FALSE;
   }
 
-  if (!check_error((*jvmti)->SetHeapSamplingRate(jvmti, -1),
-                   "Sampling rate -1 passed\n")){
+  if (!check_error((*jvmti)->SetHeapSamplingInterval(jvmti, -1),
+                   "Sampling interval -1 passed\n")){
     return FALSE;
   }
 
-  if (!check_error((*jvmti)->SetHeapSamplingRate(jvmti, -1024),
-                   "Sampling rate -1024 passed\n")){
+  if (!check_error((*jvmti)->SetHeapSamplingInterval(jvmti, -1024),
+                   "Sampling interval -1024 passed\n")){
     return FALSE;
   }
 
@@ -974,8 +974,8 @@
 }
 
 JNIEXPORT jdouble JNICALL
-Java_MyPackage_HeapMonitorStatRateTest_getAverageRate(JNIEnv *env, jclass cls) {
-  return event_storage_get_average_rate(&global_event_storage);
+Java_MyPackage_HeapMonitorStatIntervalTest_getAverageInterval(JNIEnv *env, jclass cls) {
+  return event_storage_get_average_interval(&global_event_storage);
 }
 
 typedef struct sThreadsFound {
--- a/test/hotspot/jtreg/vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects001/referringObjects001.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects001/referringObjects001.java	Thu Jul 19 10:17:22 2018 -0700
@@ -52,6 +52,7 @@
  *         referrers with supported type(Strong, PhantomReference, SoftReference, WeakReference)
  *
  * @requires vm.gc != "Z"
+ * @requires !vm.graal.enabled
  * @library /vmTestbase
  *          /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
--- a/test/hotspot/jtreg/vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects003/referringObjects003.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects003/referringObjects003.java	Thu Jul 19 10:17:22 2018 -0700
@@ -52,6 +52,7 @@
  *         can't force collection of thread group because of thread group always has 1 referrer - parent thread group, so
  *         just test disableCollection/enableCollection don't throw any unexpected exceptions
  *
+ * @requires !vm.graal.enabled
  * @library /vmTestbase
  *          /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
--- a/test/hotspot/jtreg/vmTestbase/nsk/jdi/ReferenceType/instances/instances001/instances001.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdi/ReferenceType/instances/instances001/instances001.java	Thu Jul 19 10:17:22 2018 -0700
@@ -52,6 +52,7 @@
  *             - check the number of instances is correct
  *         done
  *
+ * @requires !vm.graal.enabled
  * @library /vmTestbase
  *          /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
--- a/test/hotspot/jtreg/vmTestbase/nsk/jdi/VMOutOfMemoryException/VMOutOfMemoryException001/VMOutOfMemoryException001.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdi/VMOutOfMemoryException/VMOutOfMemoryException001/VMOutOfMemoryException001.java	Thu Jul 19 10:17:22 2018 -0700
@@ -34,6 +34,7 @@
  *     in debuggee VM through 'ArrayType.newInstance()' till VMOutOfMemoryException. Any other exception
  *     thrown by 'ArrayType.newInstance()' is treated as product bug.
  *
+ * @requires !vm.graal.enabled
  * @library /vmTestbase
  *          /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
--- a/test/hotspot/jtreg/vmTestbase/nsk/jdi/VirtualMachine/instanceCounts/instancecounts001/instancecounts001.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdi/VirtualMachine/instanceCounts/instancecounts001/instancecounts001.java	Thu Jul 19 10:17:22 2018 -0700
@@ -40,6 +40,7 @@
  *      - the debugger process checks that instanceCounts returns 0 and no
  *        com.sun.jdi.ObjectCollectedException is thrown
  *
+ * @requires !vm.graal.enabled
  * @library /vmTestbase
  *          /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
--- a/test/hotspot/jtreg/vmTestbase/nsk/jdwp/ObjectReference/ReferringObjects/referringObjects001/referringObjects001.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdwp/ObjectReference/ReferringObjects/referringObjects001/referringObjects001.java	Thu Jul 19 10:17:22 2018 -0700
@@ -66,6 +66,7 @@
  *     Finally, debugger sends debuggee signal to quit, waits for it exits
  *     and exits too with the proper exit code.
  *
+ * @requires !vm.graal.enabled
  * @library /vmTestbase /test/hotspot/jtreg/vmTestbase
  *          /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
--- a/test/hotspot/jtreg/vmTestbase/nsk/jdwp/ReferenceType/Instances/instances001/instances001.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdwp/ReferenceType/Instances/instances001/instances001.java	Thu Jul 19 10:17:22 2018 -0700
@@ -61,6 +61,7 @@
  *     and exits too with the proper exit code.
  *
  * @requires vm.gc != "Z"
+ * @requires !vm.graal.enabled
  * @library /vmTestbase /test/hotspot/jtreg/vmTestbase
  *          /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
--- a/test/hotspot/jtreg/vmTestbase/nsk/jdwp/VirtualMachine/InstanceCounts/instanceCounts001/instanceCounts001.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdwp/VirtualMachine/InstanceCounts/instanceCounts001/instanceCounts001.java	Thu Jul 19 10:17:22 2018 -0700
@@ -62,6 +62,7 @@
  *     and exits too with the proper exit code.
  *
  * @requires vm.gc != "Z"
+ * @requires !vm.graal.enabled
  * @library /vmTestbase /test/hotspot/jtreg/vmTestbase
  *          /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
--- a/test/jdk/ProblemList.txt	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/jdk/ProblemList.txt	Thu Jul 19 10:17:22 2018 -0700
@@ -587,6 +587,12 @@
 
 java/rmi/registry/readTest/CodebaseTest.java                    8173324 windows-all
 
+java/rmi/activation/ActivationSystem/modifyDescriptor/ModifyDescriptor.java         8206865 generic-all
+java/rmi/activation/Activatable/restartService/RestartService.java                  8206865 generic-all
+java/rmi/activation/Activatable/restartCrashedService/RestartCrashedService.java    8206865 generic-all
+java/rmi/activation/Activatable/forceLogSnapshot/ForceLogSnapshot.java              8206865 generic-all
+java/rmi/activation/Activatable/checkRegisterInLog/CheckRegisterInLog.java          8206865 generic-all
+
 ############################################################################
 
 # jdk_security
--- a/test/jdk/java/security/KeyStore/ProbeKeystores.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/jdk/java/security/KeyStore/ProbeKeystores.java	Thu Jul 19 10:17:22 2018 -0700
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 8044445 8194307
+ * @bug 8044445 8194307 8207318
  * @summary test new methods from JEP-229: Create PKCS12 Keystores by Default
  */
 
@@ -180,7 +180,8 @@
             throw new Exception("ERROR: expected a " + type + " keystore, " +
                 "got a " + ks.getType() + " keystore instead");
         } else {
-            System.out.println("Probed a " + type + " keystore named '" + file + "'");
+            System.out.println("Probed a " + type + " keystore named '" + file
+                    + "' with " + ks.size() + " entries");
         }
 
         // Next try with an incorrect password
@@ -197,7 +198,8 @@
             throw new Exception("ERROR: expected a " + type + " keystore, " +
                 "got a " + ks.getType() + " keystore instead");
         } else {
-            System.out.println("Probed a " + type + " keystore named '" + file + "'");
+            System.out.println("Probed a " + type + " keystore named '" + file
+                    + "' with " + ks.size() + " entries");
         }
 
         // Next try with an incorrect password within a LoadStoreParameter
--- a/test/jdk/jdk/internal/platform/docker/MetricsCpuTester.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/jdk/jdk/internal/platform/docker/MetricsCpuTester.java	Thu Jul 19 10:17:22 2018 -0700
@@ -95,10 +95,13 @@
                     + Arrays.toString(ipCpuSet) + ", got : " + Arrays.toString(cpuSets));
         }
 
-        if (!Arrays.equals(ipCpuSet, effectiveCpus)) {
-            throw new RuntimeException("Effective Cpusets not equal, expected : "
-                    + Arrays.toString(ipCpuSet) + ", got : "
-                    + Arrays.toString(effectiveCpus));
+        // Check to see if this metric is supported on this platform
+        if (effectiveCpus.length != 0) {
+            if (!Arrays.equals(ipCpuSet, effectiveCpus)) {
+                throw new RuntimeException("Effective Cpusets not equal, expected : "
+                        + Arrays.toString(ipCpuSet) + ", got : "
+                        + Arrays.toString(effectiveCpus));
+            }
         }
         System.out.println("TEST PASSED!!!");
     }
@@ -127,10 +130,13 @@
                     + Arrays.toString(cpuSets));
         }
 
-        if (!Arrays.equals(ipCpuSet, effectiveMems)) {
-            throw new RuntimeException("Effective mem nodes not equal, expected : "
-                    + Arrays.toString(ipCpuSet) + ", got : "
-                    + Arrays.toString(effectiveMems));
+        // Check to see if this metric is supported on this platform
+        if (effectiveMems.length != 0) {
+            if (!Arrays.equals(ipCpuSet, effectiveMems)) {
+                throw new RuntimeException("Effective mem nodes not equal, expected : "
+                        + Arrays.toString(ipCpuSet) + ", got : "
+                        + Arrays.toString(effectiveMems));
+            }
         }
         System.out.println("TEST PASSED!!!");
     }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/security/pkcs12/PBES2Encoding.java	Thu Jul 19 10:17:22 2018 -0700
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8202837
+ * @summary PBES2 AlgorithmId encoding error in PKCS12 KeyStore
+ */
+
+import java.io.ByteArrayInputStream;
+import java.security.KeyStore;
+
+public class PBES2Encoding {
+
+    // This is a PKCS 12 file using PBES2 to encrypt the cert and key. It is
+    // generated with these commands:
+    //
+    // keytool -keystore ks -genkeypair -storepass changeit -alias a -dname CN=A
+    // openssl pkcs12 -in ks -nodes -out kandc -passin pass:changeit
+    // openssl pkcs12 -export -in kandc -out p12 -name a -passout pass:changeit
+    //         -certpbe AES-128-CBC -keypbe AES-128-CBC
+
+    static final String P12_FILE =
+            "308208860201033082084c06092a864886f70d010701a082083d048208393082" +
+            "08353082050406092a864886f70d010706a08204f5308204f1020100308204ea" +
+            "06092a864886f70d010701304906092a864886f70d01050d303c301b06092a86" +
+            "4886f70d01050c300e040879e103dcdf95bd3e02020800301d06096086480165" +
+            "0304010204108afe09885014c1315a431956bf051cd1808204909af1a5964e45" +
+            "fa24887c963d422500a54576bda5b79beba0a97ec61fd7f68e1d7acca9c7a2ff" +
+            "fa90cc161d1e930a8315158089ce5e842ae758f63d723bd02b82120e663c2965" +
+            "a32101d27f268f7101d9b8786ddeeb8ddfa57d63c7b110ad9015b6279f8c5adf" +
+            "d2a78f82d6641bbb4c363bfe6d5be78993c54a1a52d83acba21f70a70c104c18" +
+            "1968df3009896fb3af534661a8a3d25a09974adfd6dd587f067fd5a2017f0d34" +
+            "99ca0dfd9950f555e950ceb3120408fb9b72e3b43020e4cde2f1c7726901328d" +
+            "78471d7825ce6c9968d9f8e3ae2f2963cfc7d81bd1facfa55f56d711f3568673" +
+            "6c75bc6ae67beee1a70355bf1daa17aba7cdc4fe35b06881503b7a99d1c3efeb" +
+            "e036217042e2f7918c038dc5505447acbe84db6ac10527dd65597b25c8d5f68a" +
+            "349ca4da866b76934aa7c1f4c452b6c45bd97d991c35d3ce63e20342817f7874" +
+            "40d73d2b3329aafba3c95ed2601d2fc85231f0f1797f7e36ae4ff379af030a09" +
+            "1d9c476468eff8be50632c706f0308a5e3a307a1929241b8fcd4fef447c6606b" +
+            "7c45cc01c3dae196b54479d453428c378ec9cdbd45ff514793a91d61d0b230ff" +
+            "4af62765773e9b51ef2f5965c046b25e7c09b42838b2a19fe5262756a64e7b96" +
+            "6fa0159f369d6afb9f4486e2cc7e56a9b9d5afdd28e8c0e19ff4cdf2f7904a12" +
+            "8284201f51dbdfb3fffb2d482764226c8bee83190d99e6bd0bf310eab5501922" +
+            "aede091d3ee8fc405874a63fc696c577829192c65b70964bf54db87c77fe823b" +
+            "19a8344275142387926909c39c0008d9111c78d7e296ba74ca448010db327e11" +
+            "0927fe2029a5fcfde66d6883a26bab78e3dfdb9569a64d117b26e04d627b35b7" +
+            "3a795eb9e6ea7bd4469403cb8a822831c71bc587d3b81b0ae4ca381df8b6872c" +
+            "8bea5f8c99be643f34bafe5bac178c5a36a4c8088e0535eda0511326e3b0ae5e" +
+            "dafde080886fa539f659525d3fcd38468e8c00c05d223d6bd060ef875894f7bc" +
+            "63e61854fad5f6146959d0447a4714a3b79292890ae52c7aa82075f56386e3d3" +
+            "fa2d3376156dc2f5811bd1ac2ca97cb1068a22577513e68a7a0116c6268f9146" +
+            "a718c9e11dad701f3562be8cb9beb3aadd2003b32e3d88afbf178f7a7b5daf09" +
+            "f5acaad1fe0dd27d7094a522a39ede71e621dc2b25b4e855d9a1853cdfa5f6f7" +
+            "b4a0e1c7a5eacd4903aef9eae6a1c2df370137830bcf5cae2e96eef2d9934e9d" +
+            "21e756499370cba32dc923f26915864b2a3cd5b046fad05922ff686f8ccb0b2b" +
+            "4bce27d4c91a0c4d3fab3fd65eb0327d2435c27bdd789b66cb88fe56c31b1785" +
+            "b8820a7c07947f3bf0d6d18ab2d334d927a70dad2fcdad31422138bb3ef39a3d" +
+            "0e66c298e66d38efad20a8e963b98a59e8b6c5d92aea4364c5f720ea9ab6f510" +
+            "2c5ccad50bcb3b5d3fe1ae2810118af0339a6b980c3e2ff1014675ef3a8ea84c" +
+            "3a27b18a088979cddaee68cb65761fdeafc1ab766c13ca8c073cadedec3bf7c0" +
+            "bdc2e91dcbb1295100a3d66838992a19049a7c25ad683c55ed9831cf187dfdba" +
+            "242c38a9a32b9d023753c31519987f43d57a02b238230e93f8c5f5ab64516ece" +
+            "eb915dda45ceb7257e87c909a381248a809b30202884b26eac08b53f9de2478f" +
+            "3b0b410698e44744fbe63082032906092a864886f70d010701a082031a048203" +
+            "16308203123082030e060b2a864886f70d010c0a0102a08202c3308202bf3049" +
+            "06092a864886f70d01050d303c301b06092a864886f70d01050c300e040875ea" +
+            "e60a1bd8525102020800301d060960864801650304010204101c066ab644ec44" +
+            "506b2accab7458b77f04820270c4f2702354ebcd5eb1bfb82bd22382035a7907" +
+            "ab5af91d045250ac1d56f95e4b0d944a99bccd266ea4f7402e5c2082f70ac8ff" +
+            "081242bbd0e9b374eedcafbca01983ca9e324d8850cad4ac43396b1a3250e365" +
+            "fa01e3882d19a01f017724a90242d0558d75399cf310ac551cd60d92e26bc8b2" +
+            "7872882b1f41819d1f660f18a0a2825bd81c861e02124c586046a3609f36713b" +
+            "dcefdc617788032d13268dfb6530205757aba368950041830cbd07ad3ef3987a" +
+            "5d71c1cf9987be05de696b4191a44f405227c89fc857dfbf956fe0ab1a0d8c02" +
+            "613773b1234acd9d3c75994ea00883c1686e3e57661d9937c1837770b3dd2874" +
+            "0ccfcff02d1998cb9907a78b9d95475542cd3e064231f40e425a745dbc5cfec8" +
+            "30f7b6e935487e68b664d998ddfaa06db44c247a0f012f17099c8bb955827e13" +
+            "5017b2526bee9a222e70933f6d7b8968dffe4ca033022d4eac85259434d68e89" +
+            "43d3c9e4c516ec88bb81971d6751803aef4afdb01505f81f8f71d3c074ab788f" +
+            "7a5d197c3985488b6acc53c23bef91906f3009c6ec199cc916fcb88876a28727" +
+            "32ee95d59f636d78e597e10a0e305bd1a5ccda8ad9716f0b5e9c8ca9bfa9ee54" +
+            "224c1183d499d063c6c1ec02b7f9a482b8983bcbad6b64eefc77ef961ec4dd02" +
+            "1f832e3c048b9f77034bbd896b7ab13a9f22d7fe94c88626e77b7c0b2d9fac44" +
+            "914bd9c50cc69ef58044ae1cc423eb321bf5ce2c7505df45d21b932c675c0c5b" +
+            "3705328245bc70ac262808519681f94489912a3dea891aab2d3bdc573b6b17cf" +
+            "6bfd8c1a93404a91efaca5441cd2192b71529a543938056382a7f54fabea4760" +
+            "6ef9ea7c8cdd663036e528ae6043ff138354b43b85cf488f3748fb1051313830" +
+            "1106092a864886f70d01091431041e020061302306092a864886f70d01091531" +
+            "160414664fad18d5583599e1cbe7fe694f36237e2272c530313021300906052b" +
+            "0e03021a0500041472658e404aba0df42263cff430397794c379977504084962" +
+            "aeaf211dfa1f02020800";
+
+    public static void main(String[] args) throws Exception {
+
+        byte[] p12 = new byte[P12_FILE.length() / 2];
+        for (int i = 0; i < p12.length; i++) {
+            p12[i] = Integer.valueOf(P12_FILE.substring(2 * i, 2 * i + 2), 16)
+                    .byteValue();
+        }
+
+        KeyStore ks = KeyStore.getInstance("pkcs12");
+        ks.load(new ByteArrayInputStream(p12), "changeit".toCharArray());
+
+        // Make sure both cert and key can be retrieved
+        System.out.println(ks.getCertificate("a"));
+        System.out.println(ks.getKey("a", "changeit".toCharArray()));
+    }
+}
--- a/test/jdk/sun/security/ssl/SSLEngineImpl/EngineEnforceUseClientMode.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/jdk/sun/security/ssl/SSLEngineImpl/EngineEnforceUseClientMode.java	Thu Jul 19 10:17:22 2018 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,7 +28,7 @@
 
 /*
  * @test
- * @bug 4980882
+ * @bug 4980882 8207250
  * @summary SSLEngine should enforce setUseClientMode
  * @run main/othervm EngineEnforceUseClientMode
  * @author Brad R. Wetmore
@@ -190,14 +190,18 @@
                 checkTransfer(appOut1, appIn2);
                 checkTransfer(appOut2, appIn1);
 
+                // Should not be able to set mode now, no matter if
+                // it is the same of different.
                 System.out.println("Try changing modes...");
-                try {
-                    ssle2.setUseClientMode(true);
-                    throw new RuntimeException(
-                        "setUseClientMode():  " +
-                        "Didn't catch the exception properly");
-                } catch (IllegalArgumentException e) {
-                    System.out.println("Caught the correct exception.");
+                for (boolean b : new Boolean[] {true, false}) {
+                    try {
+                        ssle2.setUseClientMode(b);
+                        throw new RuntimeException(
+                                "setUseClientMode(" + b + "):  " +
+                                        "Didn't catch the exception properly");
+                    } catch (IllegalArgumentException e) {
+                        System.out.println("Caught the correct exception.");
+                    }
                 }
 
                 return;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/security/ssl/SSLSessionImpl/ResumeChecksClient.java	Thu Jul 19 10:17:22 2018 -0700
@@ -0,0 +1,269 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8206929
+ * @summary ensure that client only resumes a session if certain properties
+ *    of the session are compatible with the new connection
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.2 ResumeChecksClient BASIC
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.3 ResumeChecksClient BASIC
+ * @run main/othervm ResumeChecksClient BASIC
+ * @run main/othervm ResumeChecksClient VERSION_2_TO_3
+ * @run main/othervm ResumeChecksClient VERSION_3_TO_2
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.3 ResumeChecksClient CIPHER_SUITE
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.3 ResumeChecksClient SIGNATURE_SCHEME
+ *
+ */
+
+import javax.net.*;
+import javax.net.ssl.*;
+import java.io.*;
+import java.security.*;
+import java.net.*;
+import java.util.*;
+
+public class ResumeChecksClient {
+
+    static String pathToStores = "../../../../javax/net/ssl/etc";
+    static String keyStoreFile = "keystore";
+    static String trustStoreFile = "truststore";
+    static String passwd = "passphrase";
+
+    enum TestMode {
+        BASIC,
+        VERSION_2_TO_3,
+        VERSION_3_TO_2,
+        CIPHER_SUITE,
+        SIGNATURE_SCHEME
+    }
+
+    public static void main(String[] args) throws Exception {
+
+        TestMode mode = TestMode.valueOf(args[0]);
+
+        String keyFilename =
+            System.getProperty("test.src", "./") + "/" + pathToStores +
+                "/" + keyStoreFile;
+        String trustFilename =
+            System.getProperty("test.src", "./") + "/" + pathToStores +
+                "/" + trustStoreFile;
+
+        System.setProperty("javax.net.ssl.keyStore", keyFilename);
+        System.setProperty("javax.net.ssl.keyStorePassword", passwd);
+        System.setProperty("javax.net.ssl.trustStore", trustFilename);
+        System.setProperty("javax.net.ssl.trustStorePassword", passwd);
+
+        Server server = startServer();
+        server.signal();
+        SSLContext sslContext = SSLContext.getDefault();
+        while (!server.started) {
+            Thread.yield();
+        }
+        connect(sslContext, server.port, mode, false);
+
+        server.signal();
+        long secondStartTime = System.currentTimeMillis();
+        Thread.sleep(10);
+        SSLSession secondSession = connect(sslContext, server.port, mode, true);
+
+        server.go = false;
+        server.signal();
+
+        switch (mode) {
+        case BASIC:
+            // fail if session is not resumed
+            if (secondSession.getCreationTime() > secondStartTime) {
+                throw new RuntimeException("Session was not reused");
+            }
+            break;
+        case VERSION_2_TO_3:
+        case VERSION_3_TO_2:
+        case CIPHER_SUITE:
+        case SIGNATURE_SCHEME:
+            // fail if a new session is not created
+            if (secondSession.getCreationTime() <= secondStartTime) {
+                throw new RuntimeException("Existing session was used");
+            }
+            break;
+        default:
+            throw new RuntimeException("unknown mode: " + mode);
+        }
+    }
+
+    private static class NoSig implements AlgorithmConstraints {
+
+        private final String alg;
+
+        NoSig(String alg) {
+            this.alg = alg;
+        }
+
+
+        private boolean test(String a) {
+            return !a.toLowerCase().contains(alg.toLowerCase());
+        }
+
+        public boolean permits(Set<CryptoPrimitive> primitives, Key key) {
+            return true;
+        }
+        public boolean permits(Set<CryptoPrimitive> primitives,
+            String algorithm, AlgorithmParameters parameters) {
+
+            return test(algorithm);
+        }
+        public boolean permits(Set<CryptoPrimitive> primitives,
+            String algorithm, Key key, AlgorithmParameters parameters) {
+
+            return test(algorithm);
+        }
+    }
+
+    private static SSLSession connect(SSLContext sslContext, int port,
+        TestMode mode, boolean second) {
+
+        try {
+            SSLSocket sock = (SSLSocket)
+                sslContext.getSocketFactory().createSocket();
+            SSLParameters params = sock.getSSLParameters();
+
+            switch (mode) {
+            case BASIC:
+                // do nothing to ensure resumption works
+                break;
+            case VERSION_2_TO_3:
+                if (second) {
+                    params.setProtocols(new String[] {"TLSv1.3"});
+                } else {
+                    params.setProtocols(new String[] {"TLSv1.2"});
+                }
+                break;
+            case VERSION_3_TO_2:
+                if (second) {
+                    params.setProtocols(new String[] {"TLSv1.2"});
+                } else {
+                    params.setProtocols(new String[] {"TLSv1.3"});
+                }
+                break;
+            case CIPHER_SUITE:
+                if (second) {
+                    params.setCipherSuites(
+                        new String[] {"TLS_AES_256_GCM_SHA384"});
+                } else {
+                    params.setCipherSuites(
+                        new String[] {"TLS_AES_128_GCM_SHA256"});
+                }
+                break;
+            case SIGNATURE_SCHEME:
+                AlgorithmConstraints constraints =
+                    params.getAlgorithmConstraints();
+                if (second) {
+                    params.setAlgorithmConstraints(new NoSig("ecdsa"));
+                } else {
+                    params.setAlgorithmConstraints(new NoSig("rsa"));
+                }
+                break;
+            default:
+                throw new RuntimeException("unknown mode: " + mode);
+            }
+            sock.setSSLParameters(params);
+            sock.connect(new InetSocketAddress("localhost", port));
+            PrintWriter out = new PrintWriter(
+                new OutputStreamWriter(sock.getOutputStream()));
+            out.println("message");
+            out.flush();
+            BufferedReader reader = new BufferedReader(
+                new InputStreamReader(sock.getInputStream()));
+            String inMsg = reader.readLine();
+            System.out.println("Client received: " + inMsg);
+            SSLSession result = sock.getSession();
+            sock.close();
+            return result;
+        } catch (Exception ex) {
+            // unexpected exception
+            throw new RuntimeException(ex);
+        }
+    }
+
+    private static Server startServer() {
+        Server server = new Server();
+        new Thread(server).start();
+        return server;
+    }
+
+    private static class Server implements Runnable {
+
+        public volatile boolean go = true;
+        private boolean signal = false;
+        public volatile int port = 0;
+        public volatile boolean started = false;
+
+        private synchronized void waitForSignal() {
+            while (!signal) {
+                try {
+                    wait();
+                } catch (InterruptedException ex) {
+                    // do nothing
+                }
+            }
+            signal = false;
+        }
+        public synchronized void signal() {
+            signal = true;
+            notify();
+        }
+
+        public void run() {
+            try {
+
+                SSLContext sc = SSLContext.getDefault();
+                ServerSocketFactory fac = sc.getServerSocketFactory();
+                SSLServerSocket ssock = (SSLServerSocket)
+                    fac.createServerSocket(0);
+                this.port = ssock.getLocalPort();
+
+                waitForSignal();
+                started = true;
+                while (go) {
+                    try {
+                        System.out.println("Waiting for connection");
+                        Socket sock = ssock.accept();
+                        BufferedReader reader = new BufferedReader(
+                            new InputStreamReader(sock.getInputStream()));
+                        String line = reader.readLine();
+                        System.out.println("server read: " + line);
+                        PrintWriter out = new PrintWriter(
+                            new OutputStreamWriter(sock.getOutputStream()));
+                        out.println(line);
+                        out.flush();
+                        waitForSignal();
+                    } catch (Exception ex) {
+                        ex.printStackTrace();
+                    }
+                }
+            } catch (Exception ex) {
+                throw new RuntimeException(ex);
+            }
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/security/ssl/SSLSessionImpl/ResumeChecksServer.java	Thu Jul 19 10:17:22 2018 -0700
@@ -0,0 +1,307 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8206929
+ * @summary ensure that server only resumes a session if certain properties
+ *    of the session are compatible with the new connection
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.2 ResumeChecksServer BASIC
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.3 ResumeChecksServer BASIC
+ * @run main/othervm ResumeChecksServer BASIC
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.2 ResumeChecksServer CLIENT_AUTH
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.3 ResumeChecksServer CLIENT_AUTH
+ * @run main/othervm ResumeChecksServer CLIENT_AUTH
+ * @run main/othervm ResumeChecksServer VERSION_2_TO_3
+ * @run main/othervm ResumeChecksServer VERSION_3_TO_2
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.3 ResumeChecksServer CIPHER_SUITE
+ * @run main/othervm -Djdk.tls.client.protocols=TLSv1.3 ResumeChecksServer SIGNATURE_SCHEME
+ *
+ */
+
+import javax.net.*;
+import javax.net.ssl.*;
+import java.io.*;
+import java.security.*;
+import java.net.*;
+import java.util.*;
+
+public class ResumeChecksServer {
+
+    static String pathToStores = "../../../../javax/net/ssl/etc";
+    static String keyStoreFile = "keystore";
+    static String trustStoreFile = "truststore";
+    static String passwd = "passphrase";
+
+    enum TestMode {
+        BASIC,
+        CLIENT_AUTH,
+        VERSION_2_TO_3,
+        VERSION_3_TO_2,
+        CIPHER_SUITE,
+        SIGNATURE_SCHEME
+    }
+
+    public static void main(String[] args) throws Exception {
+
+        TestMode mode = TestMode.valueOf(args[0]);
+
+        String keyFilename =
+            System.getProperty("test.src", "./") + "/" + pathToStores +
+                "/" + keyStoreFile;
+        String trustFilename =
+            System.getProperty("test.src", "./") + "/" + pathToStores +
+                "/" + trustStoreFile;
+
+        System.setProperty("javax.net.ssl.keyStore", keyFilename);
+        System.setProperty("javax.net.ssl.keyStorePassword", passwd);
+        System.setProperty("javax.net.ssl.trustStore", trustFilename);
+        System.setProperty("javax.net.ssl.trustStorePassword", passwd);
+
+        SSLSession secondSession = null;
+
+        SSLContext sslContext = SSLContext.getDefault();
+        ServerSocketFactory fac = sslContext.getServerSocketFactory();
+        SSLServerSocket ssock = (SSLServerSocket)
+            fac.createServerSocket(0);
+
+        Client client = startClient(ssock.getLocalPort());
+
+        try {
+            connect(client, ssock, mode, false);
+        } catch (Exception ex) {
+            throw new RuntimeException(ex);
+        }
+
+        long secondStartTime = System.currentTimeMillis();
+        Thread.sleep(10);
+        try {
+            secondSession = connect(client, ssock, mode, true);
+        } catch (SSLHandshakeException ex) {
+            // this is expected
+        } catch (Exception ex) {
+            throw new RuntimeException(ex);
+        }
+
+        client.go = false;
+        client.signal();
+
+        switch (mode) {
+        case BASIC:
+            // fail if session is not resumed
+            if (secondSession.getCreationTime() > secondStartTime) {
+                throw new RuntimeException("Session was not reused");
+            }
+            break;
+        case CLIENT_AUTH:
+            // throws an exception if the client is not authenticated
+            secondSession.getPeerCertificates();
+            break;
+        case VERSION_2_TO_3:
+        case VERSION_3_TO_2:
+        case CIPHER_SUITE:
+        case SIGNATURE_SCHEME:
+            // fail if a new session is not created
+            if (secondSession.getCreationTime() <= secondStartTime) {
+                throw new RuntimeException("Existing session was used");
+            }
+            break;
+        default:
+            throw new RuntimeException("unknown mode: " + mode);
+        }
+    }
+
+    private static class NoSig implements AlgorithmConstraints {
+
+        private final String alg;
+
+        NoSig(String alg) {
+            this.alg = alg;
+        }
+
+
+        private boolean test(String a) {
+            return !a.toLowerCase().contains(alg.toLowerCase());
+        }
+
+        public boolean permits(Set<CryptoPrimitive> primitives, Key key) {
+            return true;
+        }
+        public boolean permits(Set<CryptoPrimitive> primitives,
+            String algorithm, AlgorithmParameters parameters) {
+
+            return test(algorithm);
+        }
+        public boolean permits(Set<CryptoPrimitive> primitives,
+            String algorithm, Key key, AlgorithmParameters parameters) {
+
+            return test(algorithm);
+        }
+    }
+
+    private static SSLSession connect(Client client, SSLServerSocket ssock,
+        TestMode mode, boolean second) throws Exception {
+
+        try {
+            client.signal();
+            System.out.println("Waiting for connection");
+            SSLSocket sock = (SSLSocket) ssock.accept();
+            SSLParameters params = sock.getSSLParameters();
+
+            switch (mode) {
+            case BASIC:
+                // do nothing to ensure resumption works
+                break;
+            case CLIENT_AUTH:
+                if (second) {
+                    params.setNeedClientAuth(true);
+                } else {
+                    params.setNeedClientAuth(false);
+                }
+                break;
+            case VERSION_2_TO_3:
+                if (second) {
+                    params.setProtocols(new String[] {"TLSv1.3"});
+                } else {
+                    params.setProtocols(new String[] {"TLSv1.2"});
+                }
+                break;
+            case VERSION_3_TO_2:
+                if (second) {
+                    params.setProtocols(new String[] {"TLSv1.2"});
+                } else {
+                    params.setProtocols(new String[] {"TLSv1.3"});
+                }
+                break;
+            case CIPHER_SUITE:
+                if (second) {
+                    params.setCipherSuites(
+                        new String[] {"TLS_AES_128_GCM_SHA256"});
+                } else {
+                    params.setCipherSuites(
+                        new String[] {"TLS_AES_256_GCM_SHA384"});
+                }
+                break;
+            case SIGNATURE_SCHEME:
+                params.setNeedClientAuth(true);
+                AlgorithmConstraints constraints =
+                    params.getAlgorithmConstraints();
+                if (second) {
+                    params.setAlgorithmConstraints(new NoSig("ecdsa"));
+                } else {
+                    params.setAlgorithmConstraints(new NoSig("rsa"));
+                }
+                break;
+            default:
+                throw new RuntimeException("unknown mode: " + mode);
+            }
+            sock.setSSLParameters(params);
+            BufferedReader reader = new BufferedReader(
+                new InputStreamReader(sock.getInputStream()));
+            String line = reader.readLine();
+            System.out.println("server read: " + line);
+            PrintWriter out = new PrintWriter(
+                new OutputStreamWriter(sock.getOutputStream()));
+            out.println(line);
+            out.flush();
+            out.close();
+            SSLSession result = sock.getSession();
+            sock.close();
+            return result;
+        } catch (SSLHandshakeException ex) {
+            if (!second) {
+                throw ex;
+            }
+        }
+        return null;
+    }
+
+    private static Client startClient(int port) {
+        Client client = new Client(port);
+        new Thread(client).start();
+        return client;
+    }
+
+    private static class Client implements Runnable {
+
+        public volatile boolean go = true;
+        private boolean signal = false;
+        private final int port;
+
+        Client(int port) {
+            this.port = port;
+        }
+
+        private synchronized void waitForSignal() {
+            while (!signal) {
+                try {
+                    wait();
+                } catch (InterruptedException ex) {
+                    // do nothing
+                }
+            }
+            signal = false;
+
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException ex) {
+                // do nothing
+            }
+        }
+        public synchronized void signal() {
+            signal = true;
+            notify();
+        }
+
+        public void run() {
+            try {
+
+                SSLContext sc = SSLContext.getDefault();
+
+                waitForSignal();
+                while (go) {
+                    try {
+                        SSLSocket sock = (SSLSocket)
+                            sc.getSocketFactory().createSocket();
+                        sock.connect(new InetSocketAddress("localhost", port));
+                        PrintWriter out = new PrintWriter(
+                            new OutputStreamWriter(sock.getOutputStream()));
+                        out.println("message");
+                        out.flush();
+                        BufferedReader reader = new BufferedReader(
+                            new InputStreamReader(sock.getInputStream()));
+                        String inMsg = reader.readLine();
+                        System.out.println("Client received: " + inMsg);
+                        out.close();
+                        sock.close();
+                        waitForSignal();
+                    } catch (Exception ex) {
+                        ex.printStackTrace();
+                    }
+                }
+            } catch (Exception ex) {
+                throw new RuntimeException(ex);
+            }
+        }
+    }
+}
--- a/test/jdk/tools/launcher/modules/addexports/AddExportsTestWarningError.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/jdk/tools/launcher/modules/addexports/AddExportsTestWarningError.java	Thu Jul 19 10:17:22 2018 -0700
@@ -80,7 +80,7 @@
 
         builder.compile("m1", MODS_DIR);
         builder.compile("m2", MODS_DIR, "--add-exports", "m1/p1=m2");
-        builder.compile("m3", MODS_DIR, "--add-exports", "m1/p1=m3");
+        builder.compile("m3", MODS_DIR, "--add-exports", "m1/p1=m3", "--add-reads", "m3=m1");
     }
 
 
--- a/test/langtools/jdk/javadoc/doclet/testDeprecatedDocs/TestDeprecatedDocs.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testDeprecatedDocs/TestDeprecatedDocs.java	Thu Jul 19 10:17:22 2018 -0700
@@ -86,7 +86,7 @@
                 "<pre>@Deprecated(forRemoval=true)\n"
                 + "public&nbsp;DeprecatedClassByAnnotation()</pre>\n"
                 + "<div class=\"deprecationBlock\"><span class=\"deprecatedLabel\">Deprecated, for removal: This API element is subject to removal in a future version.</span></div>",
-                "<pre>@Deprecated\n"
+                "<pre class=\"methodSignature\">@Deprecated\n"
                 + "public&nbsp;void&nbsp;method()</pre>\n"
                 + "<div class=\"deprecationBlock\"><span class=\"deprecatedLabel\">Deprecated.</span></div>");
 
--- a/test/langtools/jdk/javadoc/doclet/testHtmlDefinitionListTag/TestHtmlDefinitionListTag.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testHtmlDefinitionListTag/TestHtmlDefinitionListTag.java	Thu Jul 19 10:17:22 2018 -0700
@@ -567,7 +567,7 @@
         // Test with -nocomment and -nodeprecated options. The ClassDocs whould
         // not display definition lists for any member details.
         checkOutput("pkg1/C1.html", expectFound,
-                "<pre>public&nbsp;void&nbsp;readObject()\n" +
+                "<pre class=\"methodSignature\">public&nbsp;void&nbsp;readObject()\n" +
                 "                throws java.io.IOException</pre>\n" +
                 "</li>");
 
--- a/test/langtools/jdk/javadoc/doclet/testIndentation/TestIndentation.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testIndentation/TestIndentation.java	Thu Jul 19 10:17:22 2018 -0700
@@ -46,7 +46,7 @@
         checkExit(Exit.OK);
 
         checkOutput("p/Indent.html", true,
-                "<pre>public&nbsp;&lt;T&gt;&nbsp;void&nbsp;m&#8203;(T&nbsp;t1,",
+                "<pre class=\"methodSignature\">public&nbsp;&lt;T&gt;&nbsp;void&nbsp;m&#8203;(T&nbsp;t1,",
                 "\n"
                 + "                  T&nbsp;t2)",
                 "\n"
--- a/test/langtools/jdk/javadoc/doclet/testInterface/TestInterface.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testInterface/TestInterface.java	Thu Jul 19 10:17:22 2018 -0700
@@ -65,7 +65,7 @@
         checkExit(Exit.OK);
 
         checkOutput("pkg/Interface.html", true,
-                "<pre>int&nbsp;method()</pre>",
+                "<pre class=\"methodSignature\">int&nbsp;method()</pre>",
                 "<pre>static final&nbsp;int field</pre>",
                 // Make sure known implementing class list is correct and omits type parameters.
                 "<dl>\n"
@@ -141,7 +141,7 @@
                 + "</td>\n",
 
                 "<h4>staticMethod</h4>\n"
-                + "<pre>public static&nbsp;void&nbsp;staticMethod()</pre>\n"
+                + "<pre class=\"methodSignature\">public static&nbsp;void&nbsp;staticMethod()</pre>\n"
                 + "<div class=\"block\"><span class=\"descfrmTypeLabel\">"
                 + "Description copied from interface:&nbsp;<code>"
                 + "<a href=\"InterfaceWithStaticMembers.html#staticMethod()\">"
@@ -187,7 +187,7 @@
                 + "</td>\n",
 
                 "<h4>staticMethod</h4>\n"
-                + "<pre>public static&nbsp;void&nbsp;staticMethod()</pre>\n"
+                + "<pre class=\"methodSignature\">public static&nbsp;void&nbsp;staticMethod()</pre>\n"
                 + "<div class=\"block\"><span class=\"descfrmTypeLabel\">"
                 + "Description copied from interface:&nbsp;<code>"
                 + "<a href=\"InterfaceWithStaticMembers.html#staticMethod--\">"
--- a/test/langtools/jdk/javadoc/doclet/testJavaFX/TestJavaFX.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testJavaFX/TestJavaFX.java	Thu Jul 19 10:17:22 2018 -0700
@@ -54,11 +54,11 @@
                 "<dt><span class=\"seeLabel\">See Also:</span></dt>\n"
                 + "<dd><a href=\"#getRate()\"><code>getRate()</code></a>, \n"
                 + "<a href=\"#setRate(double)\"><code>setRate(double)</code></a></dd>",
-                "<pre>public final&nbsp;void&nbsp;setRate&#8203;(double&nbsp;value)</pre>\n"
+                "<pre class=\"methodSignature\">public final&nbsp;void&nbsp;setRate&#8203;(double&nbsp;value)</pre>\n"
                 + "<div class=\"block\">Sets the value of the property rate.</div>\n"
                 + "<dl>\n"
                 + "<dt><span class=\"simpleTagLabel\">Property description:</span></dt>",
-                "<pre>public final&nbsp;double&nbsp;getRate()</pre>\n"
+                "<pre class=\"methodSignature\">public final&nbsp;double&nbsp;getRate()</pre>\n"
                 + "<div class=\"block\">Gets the value of the property rate.</div>\n"
                 + "<dl>\n"
                 + "<dt><span class=\"simpleTagLabel\">Property description:</span></dt>",
@@ -88,10 +88,10 @@
                 + "title=\"class in pkg1\">C.BooleanProperty</a> pausedProperty</pre>\n"
                 + "<div class=\"block\">Defines if paused. The second line.</div>",
                 "<h4>isPaused</h4>\n"
-                + "<pre>public final&nbsp;double&nbsp;isPaused()</pre>\n"
+                + "<pre class=\"methodSignature\">public final&nbsp;double&nbsp;isPaused()</pre>\n"
                 + "<div class=\"block\">Gets the value of the property paused.</div>",
                 "<h4>setPaused</h4>\n"
-                + "<pre>public final&nbsp;void&nbsp;setPaused&#8203;(boolean&nbsp;value)</pre>\n"
+                + "<pre class=\"methodSignature\">public final&nbsp;void&nbsp;setPaused&#8203;(boolean&nbsp;value)</pre>\n"
                 + "<div class=\"block\">Sets the value of the property paused.</div>\n"
                 + "<dl>\n"
                 + "<dt><span class=\"simpleTagLabel\">Property description:</span></dt>\n"
@@ -99,7 +99,7 @@
                 + "<dt><span class=\"simpleTagLabel\">Default value:</span></dt>\n"
                 + "<dd>false</dd>",
                 "<h4>isPaused</h4>\n"
-                + "<pre>public final&nbsp;double&nbsp;isPaused()</pre>\n"
+                + "<pre class=\"methodSignature\">public final&nbsp;double&nbsp;isPaused()</pre>\n"
                 + "<div class=\"block\">Gets the value of the property paused.</div>\n"
                 + "<dl>\n"
                 + "<dt><span class=\"simpleTagLabel\">Property description:</span></dt>\n"
@@ -113,7 +113,7 @@
                 + "<code>Timeline</code> is expected to\n"
                 + " be played. This is the second line.</div>",
                 "<h4>setRate</h4>\n"
-                + "<pre>public final&nbsp;void&nbsp;setRate&#8203;(double&nbsp;value)</pre>\n"
+                + "<pre class=\"methodSignature\">public final&nbsp;void&nbsp;setRate&#8203;(double&nbsp;value)</pre>\n"
                 + "<div class=\"block\">Sets the value of the property rate.</div>\n"
                 + "<dl>\n"
                 + "<dt><span class=\"simpleTagLabel\">Property description:</span></dt>\n"
@@ -124,7 +124,7 @@
                 + "<dt><span class=\"simpleTagLabel\">Since:</span></dt>\n"
                 + "<dd>JavaFX 8.0</dd>",
                 "<h4>getRate</h4>\n"
-                + "<pre>public final&nbsp;double&nbsp;getRate()</pre>\n"
+                + "<pre class=\"methodSignature\">public final&nbsp;double&nbsp;getRate()</pre>\n"
                 + "<div class=\"block\">Gets the value of the property rate.</div>\n"
                 + "<dl>\n"
                 + "<dt><span class=\"simpleTagLabel\">Property description:</span></dt>\n"
--- a/test/langtools/jdk/javadoc/doclet/testLambdaFeature/TestLambdaFeature.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testLambdaFeature/TestLambdaFeature.java	Thu Jul 19 10:17:22 2018 -0700
@@ -55,7 +55,7 @@
 
         checkOutput("pkg/A.html", true,
                 "<td class=\"colFirst\"><code>default void</code></td>",
-                "<pre>default&nbsp;void&nbsp;defaultMethod()</pre>",
+                "<pre class=\"methodSignature\">default&nbsp;void&nbsp;defaultMethod()</pre>",
                 "<caption><span id=\"t0\" class=\"activeTableTab\"><span>"
                 + "All Methods</span><span class=\"tabEnd\">&nbsp;</span></span>"
                 + "<span id=\"t2\" class=\"tableTab\"><span>"
--- a/test/langtools/jdk/javadoc/doclet/testLiteralCodeInPre/TestLiteralCodeInPre.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testLiteralCodeInPre/TestLiteralCodeInPre.java	Thu Jul 19 10:17:22 2018 -0700
@@ -89,7 +89,7 @@
                 + " <PRE>\n"
                 + " <b>id           </b>\n"
                 + " </PRE></div>",
-                "<pre>public&nbsp;void&nbsp;htmlAttrInPre1()</pre>\n"
+                "<pre class=\"methodSignature\">public&nbsp;void&nbsp;htmlAttrInPre1()</pre>\n"
                 + "<div class=\"block\">More html tag outliers.\n"
                 + " <pre>\n"
                 + " @Override\n"
--- a/test/langtools/jdk/javadoc/doclet/testMemberSummary/TestMemberSummary.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testMemberSummary/TestMemberSummary.java	Thu Jul 19 10:17:22 2018 -0700
@@ -55,7 +55,7 @@
                 + "<th class=\"colSecond\" scope=\"row\"><code><span class=\"memberNameLink\"><a href=\"#returnTypeTest()\">"
                 + "returnTypeTest</a></span>()</code>",
                 // Check return type in member detail.
-                "<pre>public&nbsp;<a href=\"PublicChild.html\" title=\"class in pkg\">"
+                "<pre class=\"methodSignature\">public&nbsp;<a href=\"PublicChild.html\" title=\"class in pkg\">"
                 + "PublicChild</a>&nbsp;returnTypeTest()</pre>",
                 "<th class=\"colConstructorName\" scope=\"row\"><code><span class=\"memberNameLink\">"
                 + "<a href=\"#%3Cinit%3E()\">PublicChild</a></span>()</code></th>");
--- a/test/langtools/jdk/javadoc/doclet/testNewLanguageFeatures/TestNewLanguageFeatures.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testNewLanguageFeatures/TestNewLanguageFeatures.java	Thu Jul 19 10:17:22 2018 -0700
@@ -96,7 +96,7 @@
                 "for (Coin c : Coin.values())",
                 "Overloaded valueOf() method has correct documentation.",
                 "Overloaded values method  has correct documentation.",
-                "<pre>public static&nbsp;<a href=\"Coin.html\" title=\"enum in pkg\">Coin</a>" +
+                "<pre class=\"methodSignature\">public static&nbsp;<a href=\"Coin.html\" title=\"enum in pkg\">Coin</a>" +
                 "&nbsp;valueOf&#8203;(java.lang.String&nbsp;name)</pre>\n" +
                 "<div class=\"block\">Returns the enum constant of this type with the specified name.\n" +
                 "The string must match <i>exactly</i> an identifier used to declare an\n" +
@@ -155,7 +155,7 @@
                 + "<a href=\"#methodThatReturnsTypeParameterA(E%5B%5D)\">"
                 + "methodThatReturnsTypeParameterA</a></span>&#8203;(<a href=\"TypeParameters.html\" "
                 + "title=\"type parameter in TypeParameters\">E</a>[]&nbsp;e)</code>",
-                "<pre>public&nbsp;<a href=\"TypeParameters.html\" "
+                "<pre class=\"methodSignature\">public&nbsp;<a href=\"TypeParameters.html\" "
                 + "title=\"type parameter in TypeParameters\">E</a>[]&nbsp;"
                 + "methodThatReturnsTypeParameterA&#8203;(<a href=\"TypeParameters.html\" "
                 + "title=\"type parameter in TypeParameters\">E</a>[]&nbsp;e)</pre>\n",
@@ -695,7 +695,7 @@
                 + "required</a>=1994)\n"
                 + "public&nbsp;AnnotationTypeUsage()</pre>",
                 // METHOD
-                "<pre><a href=\"AnnotationType.html\" "
+                "<pre class=\"methodSignature\"><a href=\"AnnotationType.html\" "
                 + "title=\"annotation in pkg\">@AnnotationType</a>("
                 + "<a href=\"AnnotationType.html#optional()\">optional</a>"
                 + "=\"Method Annotation\",\n"
@@ -703,7 +703,7 @@
                 + "required</a>=1994)\n"
                 + "public&nbsp;void&nbsp;method()</pre>",
                 // METHOD PARAMS
-                "<pre>public&nbsp;void&nbsp;methodWithParams&#8203;("
+                "<pre class=\"methodSignature\">public&nbsp;void&nbsp;methodWithParams&#8203;("
                 + "<a href=\"AnnotationType.html\" title=\"annotation in pkg\">"
                 + "@AnnotationType</a>(<a href=\"AnnotationType.html#optional()\">"
                 + "optional</a>=\"Parameter Annotation\",<a "
@@ -858,7 +858,7 @@
                 + "required</a>=1994)\n"
                 + "public&nbsp;AnnotationTypeUsage()</pre>",
                 // METHOD
-                "<pre><a href=\"AnnotationType.html\" "
+                "<pre class=\"methodSignature\"><a href=\"AnnotationType.html\" "
                 + "title=\"annotation in pkg\">@AnnotationType</a>("
                 + "<a href=\"AnnotationType.html#optional--\">optional</a>"
                 + "=\"Method Annotation\",\n"
@@ -866,7 +866,7 @@
                 + "required</a>=1994)\n"
                 + "public&nbsp;void&nbsp;method()</pre>",
                 // METHOD PARAMS
-                "<pre>public&nbsp;void&nbsp;methodWithParams&#8203;("
+                "<pre class=\"methodSignature\">public&nbsp;void&nbsp;methodWithParams&#8203;("
                 + "<a href=\"AnnotationType.html\" title=\"annotation in pkg\">"
                 + "@AnnotationType</a>(<a href=\"AnnotationType.html#optional--\">"
                 + "optional</a>=\"Parameter Annotation\",<a "
--- a/test/langtools/jdk/javadoc/doclet/testOptions/TestOptions.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testOptions/TestOptions.java	Thu Jul 19 10:17:22 2018 -0700
@@ -207,7 +207,7 @@
                 + "Properties</a>",
                 "<pre>public&nbsp;java.lang.Object <a href="
                 + "\"../src-html/linksource/Properties.html#line.31\">someProperty</a></pre>",
-                "<pre>public&nbsp;java.lang.Object&nbsp;<a href="
+                "<pre class=\"methodSignature\">public&nbsp;java.lang.Object&nbsp;<a href="
                 + "\"../src-html/linksource/Properties.html#line.31\">someProperty</a>()</pre>");
 
         checkOutput("src-html/linksource/Properties.html", true,
@@ -222,7 +222,7 @@
                 + "field</a></pre>",
                 "<pre>public&nbsp;<a href=\"../src-html/linksource/SomeClass.html#line.33\">"
                 + "SomeClass</a>()</pre>",
-                "<pre>public&nbsp;int&nbsp;<a href=\"../src-html/linksource/SomeClass.html#line.36\">"
+                "<pre class=\"methodSignature\">public&nbsp;int&nbsp;<a href=\"../src-html/linksource/SomeClass.html#line.36\">"
                 + "method</a>()</pre>");
 
         checkOutput("src-html/linksource/SomeClass.html", true,
--- a/test/langtools/jdk/javadoc/doclet/testOverriddenMethods/TestBadOverride.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testOverriddenMethods/TestBadOverride.java	Thu Jul 19 10:17:22 2018 -0700
@@ -52,7 +52,7 @@
         checkOutput("pkg4/Foo.html", true,
                 "<li class=\"blockList\">\n"
                 + "<h4>toString</h4>\n"
-                + "<pre>public&nbsp;void&nbsp;toString()</pre>\n"
+                + "<pre class=\"methodSignature\">public&nbsp;void&nbsp;toString()</pre>\n"
                 + "<div class=\"block\">Why can't I do this ?</div>\n"
                 + "</li>");
     }
--- a/test/langtools/jdk/javadoc/doclet/testPrivateClasses/TestPrivateClasses.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testPrivateClasses/TestPrivateClasses.java	Thu Jul 19 10:17:22 2018 -0700
@@ -73,7 +73,7 @@
                 + "</li>\n"
                 + "</ul>",
                 // Method is documented as though it is declared in the inheriting method.
-                "<pre>public&nbsp;void&nbsp;methodInheritedFromParent&#8203;(int&nbsp;p1)",
+                "<pre class=\"methodSignature\">public&nbsp;void&nbsp;methodInheritedFromParent&#8203;(int&nbsp;p1)",
                 "<dl>\n"
                 + "<dt>All Implemented Interfaces:</dt>\n"
                 + "<dd><code><a href=\"PublicInterface.html\" title=\"interface in pkg\">"
--- a/test/langtools/jdk/javadoc/doclet/testSerializedFormWithClassFile/TestSerializedFormWithClassFile.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testSerializedFormWithClassFile/TestSerializedFormWithClassFile.java	Thu Jul 19 10:17:22 2018 -0700
@@ -71,7 +71,7 @@
         checkExit(Exit.OK);
 
         checkOutput("serialized-form.html", true,
-                "<pre>public&nbsp;void&nbsp;readObject&#8203;"
+                "<pre class=\"methodSignature\">public&nbsp;void&nbsp;readObject&#8203;"
                 + "(java.io.ObjectInputStream&nbsp;arg0)\n"
                 + "                throws java.lang.ClassNotFoundException,\n"
                 + "                       java.io.IOException</pre>\n");
--- a/test/langtools/jdk/javadoc/doclet/testSummaryTag/TestSummaryTag.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testSummaryTag/TestSummaryTag.java	Thu Jul 19 10:17:22 2018 -0700
@@ -87,7 +87,7 @@
         checkOutput("p1/A.html", true,
              "<li class=\"blockList\">\n"
              + "<h4>m3</h4>\n"
-             + "<pre>public&nbsp;void&nbsp;m3()</pre>\n"
+             + "<pre class=\"methodSignature\">public&nbsp;void&nbsp;m3()</pre>\n"
              + "<div class=\"block\">First sentence  some text maybe second sentence.</div>\n"
              + "</li>\n"
         );
--- a/test/langtools/jdk/javadoc/doclet/testTypeAnnotations/TestTypeAnnotations.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/jdk/javadoc/doclet/testTypeAnnotations/TestTypeAnnotations.java	Thu Jul 19 10:17:22 2018 -0700
@@ -154,22 +154,22 @@
 
         // Test for type annotations on method return types (MethodReturnType.java).
         checkOutput("typeannos/MtdDefaultScope.html", true,
-                "<pre>public&nbsp;&lt;T&gt;&nbsp;<a href=\"MRtnA.html\" "
+                "<pre class=\"methodSignature\">public&nbsp;&lt;T&gt;&nbsp;<a href=\"MRtnA.html\" "
                 + "title=\"annotation in typeannos\">@MRtnA</a> java.lang.String"
                 + "&nbsp;method()</pre>",
 
                 // When JDK-8068737 is fixed, we should change the order
-                "<pre><a href=\"MRtnA.html\" title=\"annotation in typeannos\">"
+                "<pre class=\"methodSignature\"><a href=\"MRtnA.html\" title=\"annotation in typeannos\">"
                 + "@MRtnA</a> java.lang.String "
                 + "<a href=\"MRtnB.html\" title=\"annotation in typeannos\">@MRtnB</a> [] "
                 + "<a href=\"MRtnA.html\" title=\"annotation in typeannos\">@MRtnA</a> []"
                 + "&nbsp;array2Deep()</pre>",
 
-                "<pre><a href=\"MRtnA.html\" title=\"annotation in "
+                "<pre class=\"methodSignature\"><a href=\"MRtnA.html\" title=\"annotation in "
                 + "typeannos\">@MRtnA</a> java.lang.String[][]&nbsp;array2()</pre>");
 
         checkOutput("typeannos/MtdModifiedScoped.html", true,
-                "<pre>public final&nbsp;<a href=\"MtdParameterized.html\" "
+                "<pre class=\"methodSignature\">public final&nbsp;<a href=\"MtdParameterized.html\" "
                 + "title=\"class in typeannos\">MtdParameterized</a>&lt;<a href=\""
                 + "MRtnA.html\" title=\"annotation in typeannos\">@MRtnA</a> "
                 + "<a href=\"MtdParameterized.html\" title=\"class in "
@@ -182,11 +182,11 @@
 
         // Test for type annotations on method type parameters (MethodTypeParameters.java).
         checkOutput("typeannos/UnscopedUnmodified.html", true,
-                "<pre>&lt;K extends <a href=\"MTyParamA.html\" title=\""
+                "<pre class=\"methodSignature\">&lt;K extends <a href=\"MTyParamA.html\" title=\""
                 + "annotation in typeannos\">@MTyParamA</a> java.lang.String&gt;"
                 + "&nbsp;void&nbsp;methodExtends()</pre>",
 
-                "<pre>&lt;K extends <a href=\"MTyParamA.html\" title=\""
+                "<pre class=\"methodSignature\">&lt;K extends <a href=\"MTyParamA.html\" title=\""
                 + "annotation in typeannos\">@MTyParamA</a> <a href=\""
                 + "MtdTyParameterized.html\" title=\"class in typeannos\">"
                 + "MtdTyParameterized</a>&lt;<a href=\"MTyParamB.html\" "
@@ -194,11 +194,11 @@
                 + "&gt;&gt;&nbsp;void&nbsp;nestedExtends()</pre>");
 
         checkOutput("typeannos/PublicModifiedMethods.html", true,
-                "<pre>public final&nbsp;&lt;K extends <a href=\""
+                "<pre class=\"methodSignature\">public final&nbsp;&lt;K extends <a href=\""
                 + "MTyParamA.html\" title=\"annotation in typeannos\">@MTyParamA</a> "
                 + "java.lang.String&gt;&nbsp;void&nbsp;methodExtends()</pre>",
 
-                "<pre>public final&nbsp;&lt;K extends <a href=\""
+                "<pre class=\"methodSignature\">public final&nbsp;&lt;K extends <a href=\""
                 + "MTyParamA.html\" title=\"annotation in typeannos\">@MTyParamA</a> "
                 + "java.lang.String,&#8203;V extends <a href=\"MTyParamA.html\" "
                 + "title=\"annotation in typeannos\">@MTyParamA</a> <a href=\""
@@ -209,12 +209,12 @@
 
         // Test for type annotations on parameters (Parameters.java).
         checkOutput("typeannos/Parameters.html", true,
-                "<pre>void&nbsp;unannotated&#8203;(<a href=\""
+                "<pre class=\"methodSignature\">void&nbsp;unannotated&#8203;(<a href=\""
                 + "ParaParameterized.html\" title=\"class in typeannos\">"
                 + "ParaParameterized</a>&lt;java.lang.String,&#8203;java.lang.String&gt;"
                 + "&nbsp;a)</pre>",
 
-                "<pre>void&nbsp;nestedParaParameterized&#8203;(<a href=\""
+                "<pre class=\"methodSignature\">void&nbsp;nestedParaParameterized&#8203;(<a href=\""
                 + "ParaParameterized.html\" title=\"class in typeannos\">"
                 + "ParaParameterized</a>&lt;<a href=\"ParamA.html\" "
                 + "title=\"annotation in typeannos\">@ParamA</a> <a href=\""
@@ -227,7 +227,7 @@
                 + "</a> java.lang.String&gt;&nbsp;a)</pre>",
 
                 // When JDK-8068737 is fixed, we should change the order
-                "<pre>void&nbsp;array2Deep&#8203;(<a href=\"ParamA.html\" "
+                "<pre class=\"methodSignature\">void&nbsp;array2Deep&#8203;(<a href=\"ParamA.html\" "
                 + "title=\"annotation in typeannos\">@ParamA</a> java.lang.String "
                 + "<a href=\"ParamB.html\" title=\"annotation in typeannos\">"
                 + "@ParamB</a> [] "
@@ -237,34 +237,34 @@
 
         // Test for type annotations on throws (Throws.java).
         checkOutput("typeannos/ThrDefaultUnmodified.html", true,
-                "<pre>void&nbsp;oneException()\n"
+                "<pre class=\"methodSignature\">void&nbsp;oneException()\n"
                 + "           throws <a href=\"ThrA.html\" title=\""
                 + "annotation in typeannos\">@ThrA</a> java.lang.Exception</pre>",
 
-                "<pre>void&nbsp;twoExceptions()\n"
+                "<pre class=\"methodSignature\">void&nbsp;twoExceptions()\n"
                 + "            throws <a href=\"ThrA.html\" title=\""
                 + "annotation in typeannos\">@ThrA</a> java.lang.RuntimeException,\n"
                 + "                   <a href=\"ThrA.html\" title=\""
                 + "annotation in typeannos\">@ThrA</a> java.lang.Exception</pre>");
 
         checkOutput("typeannos/ThrPublicModified.html", true,
-                "<pre>public final&nbsp;void&nbsp;oneException&#8203;(java.lang.String&nbsp;a)\n"
-                + "                        throws <a href=\"ThrA.html\" "
+                "<pre class=\"methodSignature\">public final&nbsp;void&nbsp;oneException&#8203;"
+                + "(java.lang.String&nbsp;a)\n                        throws <a href=\"ThrA.html\" "
                 + "title=\"annotation in typeannos\">@ThrA</a> java.lang.Exception</pre>",
 
-                "<pre>public final&nbsp;void&nbsp;twoExceptions&#8203;(java.lang.String&nbsp;a)\n"
-                + "                         throws <a href=\"ThrA.html\" "
+                "<pre class=\"methodSignature\">public final&nbsp;void&nbsp;twoExceptions&#8203;"
+                + "(java.lang.String&nbsp;a)\n                         throws <a href=\"ThrA.html\" "
                 + "title=\"annotation in typeannos\">@ThrA</a> java.lang.RuntimeException,\n"
                 + "                                <a href=\"ThrA.html\" "
                 + "title=\"annotation in typeannos\">@ThrA</a> java.lang.Exception</pre>");
 
         checkOutput("typeannos/ThrWithValue.html", true,
-                "<pre>void&nbsp;oneException()\n"
+                "<pre class=\"methodSignature\">void&nbsp;oneException()\n"
                 + "           throws <a href=\"ThrB.html\" title=\""
                 + "annotation in typeannos\">@ThrB</a>("
                 + "\"m\") java.lang.Exception</pre>",
 
-                "<pre>void&nbsp;twoExceptions()\n"
+                "<pre class=\"methodSignature\">void&nbsp;twoExceptions()\n"
                 + "            throws <a href=\"ThrB.html\" title=\""
                 + "annotation in typeannos\">@ThrB</a>("
                 + "\"m\") java.lang.RuntimeException,\n"
@@ -273,32 +273,32 @@
 
         // Test for type annotations on type parameters (TypeParameters.java).
         checkOutput("typeannos/TestMethods.html", true,
-                "<pre>&lt;K,&#8203;<a href=\"TyParaA.html\" title=\"annotation in typeannos\">"
-                + "@TyParaA</a> V extends <a href=\"TyParaA.html\" "
+                "<pre class=\"methodSignature\">&lt;K,&#8203;<a href=\"TyParaA.html\" title="
+                + "\"annotation in typeannos\">@TyParaA</a> V extends <a href=\"TyParaA.html\" "
                 + "title=\"annotation in typeannos\">@TyParaA</a> "
                 + "java.lang.String&gt;&nbsp;void&nbsp;secondAnnotated()</pre>"
         );
 
         // Test for type annotations on wildcard type (Wildcards.java).
         checkOutput("typeannos/BoundTest.html", true,
-                "<pre>void&nbsp;wcExtends&#8203;(<a href=\"MyList.html\" "
+                "<pre class=\"methodSignature\">void&nbsp;wcExtends&#8203;(<a href=\"MyList.html\" "
                 + "title=\"class in typeannos\">MyList</a>&lt;? extends <a href=\""
                 + "WldA.html\" title=\"annotation in typeannos\">@WldA"
                 + "</a> java.lang.String&gt;&nbsp;l)</pre>",
 
-                "<pre><a href=\"MyList.html\" title=\"class in "
+                "<pre class=\"methodSignature\"><a href=\"MyList.html\" title=\"class in "
                 + "typeannos\">MyList</a>&lt;? super <a href=\"WldA.html\" "
                 + "title=\"annotation in typeannos\">@WldA</a> java.lang.String&gt;"
                 + "&nbsp;returnWcSuper()</pre>");
 
         checkOutput("typeannos/BoundWithValue.html", true,
-                "<pre>void&nbsp;wcSuper&#8203;(<a href=\"MyList.html\" title=\""
-                + "class in typeannos\">MyList</a>&lt;? super <a href=\""
+                "<pre class=\"methodSignature\">void&nbsp;wcSuper&#8203;(<a href=\"MyList.html\""
+                + " title=\"class in typeannos\">MyList</a>&lt;? super <a href=\""
                 + "WldB.html\" title=\"annotation in typeannos\">@WldB</a>("
                 + "\"m\") java.lang."
                 + "String&gt;&nbsp;l)</pre>",
 
-                "<pre><a href=\"MyList.html\" title=\"class in "
+                "<pre class=\"methodSignature\"><a href=\"MyList.html\" title=\"class in "
                 + "typeannos\">MyList</a>&lt;? extends <a href=\"WldB."
                 + "html\" title=\"annotation in typeannos\">@WldB</a>("
                 + "\"m\") java.lang.String"
@@ -306,37 +306,37 @@
 
         // Test for receiver annotations (Receivers.java).
         checkOutput("typeannos/DefaultUnmodified.html", true,
-                "<pre>void&nbsp;withException&#8203;(<a href=\"RcvrA.html\" "
+                "<pre class=\"methodSignature\">void&nbsp;withException&#8203;(<a href=\"RcvrA.html\" "
                 + "title=\"annotation in typeannos\">@RcvrA</a>&nbsp;"
                 + "DefaultUnmodified&nbsp;this)\n"
                 + "            throws java."
                 + "lang.Exception</pre>",
 
-                "<pre>java.lang.String&nbsp;nonVoid&#8203;(<a href=\"RcvrA."
+                "<pre class=\"methodSignature\">java.lang.String&nbsp;nonVoid&#8203;(<a href=\"RcvrA."
                 + "html\" title=\"annotation in typeannos\">@RcvrA</a> <a href=\""
                 + "RcvrB.html\" title=\"annotation in typeannos\">@RcvrB"
                 + "</a>(\"m\")"
                 + "&nbsp;DefaultUnmodified&nbsp;this)</pre>",
 
-                "<pre>&lt;T extends java.lang.Runnable&gt;&nbsp;void&nbsp;accept&#8203;("
+                "<pre class=\"methodSignature\">&lt;T extends java.lang.Runnable&gt;&nbsp;void&nbsp;accept&#8203;("
                 + "<a href=\"RcvrA.html\" title=\"annotation in "
                 + "typeannos\">@RcvrA</a>&nbsp;DefaultUnmodified&nbsp;this,\n"
                 + "                                           T&nbsp;r)\n"
                 + "                                    throws java.lang.Exception</pre>");
 
         checkOutput("typeannos/PublicModified.html", true,
-                "<pre>public final&nbsp;java.lang.String&nbsp;nonVoid&#8203;(<a href=\""
-                + "RcvrA.html\" title=\"annotation in typeannos\">"
+                "<pre class=\"methodSignature\">public final&nbsp;java.lang.String&nbsp;nonVoid&#8203;"
+                + "(<a href=\"RcvrA.html\" title=\"annotation in typeannos\">"
                 + "@RcvrA</a>&nbsp;PublicModified&nbsp;this)</pre>",
 
-                "<pre>public final&nbsp;&lt;T extends java.lang.Runnable&gt;&nbsp;"
+                "<pre class=\"methodSignature\">public final&nbsp;&lt;T extends java.lang.Runnable&gt;&nbsp;"
                 + "void&nbsp;accept&#8203;(<a href=\"RcvrA.html\" title=\""
                 + "annotation in typeannos\">@RcvrA</a>&nbsp;PublicModified&nbsp;this,\n"
                 + "                                                        T&nbsp;r)\n"
                 + "                                                 throws java.lang.Exception</pre>");
 
         checkOutput("typeannos/WithValue.html", true,
-                "<pre>&lt;T extends java.lang.Runnable&gt;&nbsp;void&nbsp;accept&#8203;("
+                "<pre class=\"methodSignature\">&lt;T extends java.lang.Runnable&gt;&nbsp;void&nbsp;accept&#8203;("
                 + "<a href=\"RcvrB.html\" title=\"annotation in "
                 + "typeannos\">@RcvrB</a>("
                 + "\"m\")&nbsp;WithValue&nbsp;this,\n"
@@ -344,17 +344,17 @@
                 + "                                    throws java.lang.Exception</pre>");
 
         checkOutput("typeannos/WithFinal.html", true,
-                "<pre>java.lang.String&nbsp;nonVoid&#8203;(<a href=\"RcvrB.html\" "
+                "<pre class=\"methodSignature\">java.lang.String&nbsp;nonVoid&#8203;(<a href=\"RcvrB.html\" "
                 + "title=\"annotation in typeannos\">@RcvrB</a>(\"m\") "
                 + "<a href=\"WithFinal.html\" title=\"class in typeannos\">"
                 + "WithFinal</a>&nbsp;afield)</pre>");
 
         checkOutput("typeannos/WithBody.html", true,
-                "<pre>void&nbsp;field&#8203;(<a href=\"RcvrA.html\" title=\""
+                "<pre class=\"methodSignature\">void&nbsp;field&#8203;(<a href=\"RcvrA.html\" title=\""
                 + "annotation in typeannos\">@RcvrA</a>&nbsp;WithBody&nbsp;this)</pre>");
 
         checkOutput("typeannos/Generic2.html", true,
-                "<pre>void&nbsp;test2&#8203;(<a href=\"RcvrA.html\" title=\""
+                "<pre class=\"methodSignature\">void&nbsp;test2&#8203;(<a href=\"RcvrA.html\" title=\""
                 + "annotation in typeannos\">@RcvrA</a>&nbsp;Generic2&lt;X&gt;&nbsp;this)</pre>");
 
 
--- a/test/langtools/tools/javac/modules/AddExportsTest.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/langtools/tools/javac/modules/AddExportsTest.java	Thu Jul 19 10:17:22 2018 -0700
@@ -23,6 +23,7 @@
 
 /*
  * @test
+ * @bug 8207032
  * @summary Test the --add-exports option
  * @library /tools/lib
  * @modules jdk.compiler/com.sun.tools.javac.api
@@ -35,6 +36,8 @@
 
 import toolbox.JavacTask;
 import toolbox.Task;
+import toolbox.Task.Expect;
+import toolbox.Task.OutputKind;
 
 public class AddExportsTest extends ModuleTestBase {
 
@@ -74,11 +77,11 @@
                           "package p1; public class C1 { }");
         Path src_m2 = src.resolve("m2x");
         tb.writeJavaFiles(src_m2,
-                          "module m2x { }",
+                          "module m2x { requires m1x; }",
                           "package p2; class C2 { p1.C1 c1; }");
         Path src_m3 = src.resolve("m3x");
         tb.writeJavaFiles(src_m3,
-                          "module m3x { }",
+                          "module m3x { requires m1x; }",
                           "package p3; class C3 { p1.C1 c1; }");
         Path classes = base.resolve("classes");
         tb.createDirectories(classes);
@@ -275,7 +278,7 @@
                           "package p1; public class C1 { }");
         Path src_m2 = src.resolve("m2x");
         tb.writeJavaFiles(src_m2,
-                          "module m2x { }",
+                          "module m2x { requires m1x; }",
                           "package p2; class C2 { p1.C1 c1; }");
         Path classes = base.resolve("classes");
         tb.createDirectories(classes);
@@ -298,7 +301,7 @@
                           "package p1; public class C1 { }");
         Path src_m2 = src.resolve("m2x");
         tb.writeJavaFiles(src_m2,
-                          "module m2x { }",
+                          "module m2x { requires m1x; }",
                           "package p2; class C2 { p1.C1 c1; }");
         Path classes = base.resolve("classes");
         tb.createDirectories(classes);
@@ -322,11 +325,11 @@
                           "package p1; public class C1 { }");
         Path src_m2 = src.resolve("m2x");
         tb.writeJavaFiles(src_m2,
-                          "module m2x { }",
+                          "module m2x { requires m1x; }",
                           "package p2; class C2 { p1.C1 c1; }");
         Path src_m3 = src.resolve("m3x");
         tb.writeJavaFiles(src_m3,
-                          "module m3x { }",
+                          "module m3x { requires m1x; }",
                           "package p3; class C3 { p1.C1 c1; }");
         Path classes = base.resolve("classes");
         tb.createDirectories(classes);
@@ -340,4 +343,89 @@
                 .run()
                 .writeAll();
     }
+
+    @Test
+    public void testNoReads(Path base) throws Exception {
+        Path src = base.resolve("src");
+        Path src_m1 = src.resolve("m1x");
+        tb.writeJavaFiles(src_m1,
+                          "module m1x { }",
+                          "package p1; public class C1 { }");
+        Path src_m2 = src.resolve("m2x");
+        tb.writeJavaFiles(src_m2,
+                          "module m2x { }",
+                          "package p2; class C2 { p1.C1 c1; }");
+        Path classes = base.resolve("classes");
+        tb.createDirectories(classes);
+
+        String log;
+
+        log = new JavacTask(tb)
+                .options("--module-source-path", src.toString(),
+                         "-XDrawDiagnostics")
+                .outdir(classes)
+                .files(findJavaFiles(src))
+                .run(Expect.FAIL)
+                .writeAll()
+                .getOutput(OutputKind.DIRECT);
+
+        checkOutputContains(log,
+            "C2.java:1:24: compiler.err.package.not.visible: p1, (compiler.misc.not.def.access.does.not.read: m2x, p1, m1x)");
+
+        log = new JavacTask(tb)
+                .options("--module-source-path", src.toString(),
+                         "-XDrawDiagnostics",
+                         "--add-exports", "m1x/p1=m2x")
+                .outdir(classes)
+                .files(findJavaFiles(src))
+                .run(Expect.FAIL)
+                .writeAll()
+                .getOutput(OutputKind.DIRECT);
+
+        checkOutputContains(log,
+            "C2.java:1:24: compiler.err.package.not.visible: p1, (compiler.misc.not.def.access.does.not.read: m2x, p1, m1x)");
+
+        Path mp = base.resolve("mp");
+        tb.createDirectories(mp);
+
+        new JavacTask(tb)
+                .options("--module-source-path", src.toString(),
+                         "-XDrawDiagnostics",
+                         "--add-exports", "m1x/p1=m2x",
+                         "--add-reads", "m2x=m1x")
+                .outdir(mp)
+                .files(findJavaFiles(src))
+                .run(Expect.SUCCESS)
+                .writeAll();
+
+        log = new JavacTask(tb)
+                .options("-XDrawDiagnostics",
+                         "--add-exports", "m1x/p1=m2x",
+                         "--add-reads", "m2x=m1x",
+                         "--module-path", mp.toString())
+                .outdir(classes)
+                .files(findJavaFiles(src_m2))
+                .run(Expect.FAIL)
+                .writeAll()
+                .getOutput(OutputKind.DIRECT);
+
+        checkOutputContains(log,
+            "C2.java:1:24: compiler.err.package.not.visible: p1, (compiler.misc.not.def.access.does.not.read: m2x, p1, m1x)");
+        checkOutputContains(log,
+            "- compiler.warn.module.for.option.not.found: --add-reads, m1x");
+        checkOutputContains(log,
+            "- compiler.warn.module.for.option.not.found: --add-exports, m1x");
+
+        new JavacTask(tb)
+                .options("-XDrawDiagnostics",
+                         "--add-exports", "m1x/p1=m2x",
+                         "--add-reads", "m2x=m1x",
+                         "--module-path", mp.toString(),
+                         "--add-modules", "m1x")
+                .outdir(classes)
+                .files(findJavaFiles(src_m2))
+                .run(Expect.SUCCESS)
+                .writeAll()
+                .getOutput(OutputKind.DIRECT);
+    }
 }
--- a/test/lib/jdk/test/lib/containers/cgroup/MetricsTester.java	Thu Jul 19 09:46:29 2018 -0700
+++ b/test/lib/jdk/test/lib/containers/cgroup/MetricsTester.java	Thu Jul 19 10:17:22 2018 -0700
@@ -150,7 +150,7 @@
         try {
             return new Scanner(new File(fname)).useDelimiter("\\Z").next();
         } catch (FileNotFoundException e) {
-            System.err.println("Unale to open : " + fname);
+            System.err.println("Unable to open : " + fname);
             return "";
         }
     }
@@ -428,24 +428,27 @@
                 Arrays.toString(newVal));
         }
 
+        int [] cpuSets = metrics.getEffectiveCpuSetCpus();
 
-        oldVal = Arrays.stream(metrics.getEffectiveCpuSetCpus()).boxed().toArray(Integer[]::new);
-        Arrays.sort(oldVal);
-
-        cpusstr = getFileContents(SubSystem.CPUSET, "cpuset.effective_cpus");
-        newVal = Stream.of(cpusstr.split(",")).flatMap(a -> {
-            if (a.contains("-")) {
-                String[] range = a.split("-");
-                return IntStream.rangeClosed(Integer.parseInt(range[0]),
-                        Integer.parseInt(range[1])).boxed();
-            } else {
-                return Stream.of(Integer.parseInt(a));
+        // Skip this test if this metric is supported on this platform
+        if (cpuSets.length != 0) {
+            oldVal = Arrays.stream(cpuSets).boxed().toArray(Integer[]::new);
+            Arrays.sort(oldVal);
+            cpusstr = getFileContents(SubSystem.CPUSET, "cpuset.effective_cpus");
+            newVal = Stream.of(cpusstr.split(",")).flatMap(a -> {
+                if (a.contains("-")) {
+                    String[] range = a.split("-");
+                    return IntStream.rangeClosed(Integer.parseInt(range[0]),
+                            Integer.parseInt(range[1])).boxed();
+                } else {
+                    return Stream.of(Integer.parseInt(a));
+                }
+            }).toArray(Integer[]::new);
+            Arrays.sort(newVal);
+            if (Arrays.compare(oldVal, newVal) != 0) {
+                fail(SubSystem.CPUSET, "cpuset.effective_cpus", Arrays.toString(oldVal),
+                        Arrays.toString(newVal));
             }
-        }).toArray(Integer[]::new);
-        Arrays.sort(newVal);
-        if (Arrays.compare(oldVal, newVal) != 0) {
-            fail(SubSystem.CPUSET, "cpuset.effective_cpus", Arrays.toString(oldVal),
-                    Arrays.toString(newVal));
         }
 
         oldVal = Arrays.stream(metrics.getCpuSetMems()).boxed().toArray(Integer[]::new);
@@ -466,22 +469,27 @@
                     Arrays.toString(newVal));
         }
 
-        oldVal = Arrays.stream(metrics.getEffectiveCpuSetMems()).boxed().toArray(Integer[]::new);
-        Arrays.sort(oldVal);
-        cpusstr = getFileContents(SubSystem.CPUSET, "cpuset.effective_mems");
-        newVal = Stream.of(cpusstr.split(",")).flatMap(a -> {
-            if (a.contains("-")) {
-                String[] range = a.split("-");
-                return IntStream.rangeClosed(Integer.parseInt(range[0]),
-                        Integer.parseInt(range[1])).boxed();
-            } else {
-                return Stream.of(Integer.parseInt(a));
+        int [] cpuSetMems = metrics.getEffectiveCpuSetMems();
+
+        // Skip this test if this metric is supported on this platform
+        if (cpuSetMems.length != 0) {
+            oldVal = Arrays.stream(cpuSetMems).boxed().toArray(Integer[]::new);
+            Arrays.sort(oldVal);
+            cpusstr = getFileContents(SubSystem.CPUSET, "cpuset.effective_mems");
+            newVal = Stream.of(cpusstr.split(",")).flatMap(a -> {
+                if (a.contains("-")) {
+                    String[] range = a.split("-");
+                    return IntStream.rangeClosed(Integer.parseInt(range[0]),
+                            Integer.parseInt(range[1])).boxed();
+                } else {
+                    return Stream.of(Integer.parseInt(a));
+                }
+            }).toArray(Integer[]::new);
+            Arrays.sort(newVal);
+            if (Arrays.compare(oldVal, newVal) != 0) {
+                fail(SubSystem.CPUSET, "cpuset.effective_mems", Arrays.toString(oldVal),
+                        Arrays.toString(newVal));
             }
-        }).toArray(Integer[]::new);
-        Arrays.sort(newVal);
-        if (Arrays.compare(oldVal, newVal) != 0) {
-            fail(SubSystem.CPUSET, "cpuset.effective_mems", Arrays.toString(oldVal),
-                    Arrays.toString(newVal));
         }
 
         double oldValue = metrics.getCpuSetMemoryPressure();