changeset 3314:6dce0126f44e

Merge
author kamg
date Wed, 04 May 2011 11:04:45 -0400
parents 3aea9e9feb07 5781ed5f1865
children 54a56bbaf95b f49c31acee88
files
diffstat 16 files changed, 311 insertions(+), 26 deletions(-) [+]
line wrap: on
line diff
--- a/agent/src/os/solaris/proc/libproc.h	Fri Apr 29 17:00:19 2011 -0700
+++ b/agent/src/os/solaris/proc/libproc.h	Wed May 04 11:04:45 2011 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2011, 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
@@ -420,7 +420,22 @@
 /*
  * Stack frame iteration interface.
  */
+#ifdef SOLARIS_11_B159_OR_LATER
+/* building on Nevada-B159 or later so define the new callback */
+typedef int proc_stack_f(
+    void *,             /* the cookie given to Pstack_iter() */
+    const prgregset_t,  /* the frame's registers */
+    uint_t,             /* argc for the frame's function */
+    const long *,       /* argv for the frame's function */
+    int,                /* bitwise flags describing the frame (see below) */
+    int);               /* a signal number */
+
+#define PR_SIGNAL_FRAME    1    /* called by a signal handler */
+#define PR_FOUND_SIGNAL    2    /* we found the corresponding signal number */
+#else
+/* building on Nevada-B158 or earlier so define the old callback */
 typedef int proc_stack_f(void *, const prgregset_t, uint_t, const long *);
+#endif
 
 extern int Pstack_iter(struct ps_prochandle *,
     const prgregset_t, proc_stack_f *, void *);
--- a/agent/src/os/solaris/proc/salibproc.h	Fri Apr 29 17:00:19 2011 -0700
+++ b/agent/src/os/solaris/proc/salibproc.h	Wed May 04 11:04:45 2011 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2011, 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
@@ -101,7 +101,23 @@
 /*
  * Stack frame iteration interface.
  */
+#ifdef SOLARIS_11_B159_OR_LATER
+/* building on Nevada-B159 or later so define the new callback */
+typedef int proc_stack_f(
+    void *,             /* the cookie given to Pstack_iter() */
+    const prgregset_t,  /* the frame's registers */
+    uint_t,             /* argc for the frame's function */
+    const long *,       /* argv for the frame's function */
+    int,                /* bitwise flags describing the frame (see below) */
+    int);               /* a signal number */
+
+#define PR_SIGNAL_FRAME    1    /* called by a signal handler */
+#define PR_FOUND_SIGNAL    2    /* we found the corresponding signal number */
+#else
+/* building on Nevada-B158 or earlier so define the old callback */
 typedef int proc_stack_f(void *, const prgregset_t, uint_t, const long *);
+#endif
+
 extern int Pstack_iter(struct ps_prochandle *,
     const prgregset_t, proc_stack_f *, void *);
 
--- a/agent/src/os/solaris/proc/saproc.cpp	Fri Apr 29 17:00:19 2011 -0700
+++ b/agent/src/os/solaris/proc/saproc.cpp	Wed May 04 11:04:45 2011 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2011, 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
@@ -24,6 +24,9 @@
 
 #include "salibproc.h"
 #include "sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal.h"
+#ifndef SOLARIS_11_B159_OR_LATER
+#include <sys/utsname.h>
+#endif
 #include <thread_db.h>
 #include <strings.h>
 #include <limits.h>
@@ -40,8 +43,22 @@
 #define SYMBOL_BUF_SIZE  256
 #define ERR_MSG_SIZE     (PATH_MAX + 256)
 
-// debug mode
+// debug modes
 static int _libsaproc_debug = 0;
+#ifndef SOLARIS_11_B159_OR_LATER
+static bool _Pstack_iter_debug = false;
+
+static void dprintf_2(const char* format,...) {
+  if (_Pstack_iter_debug) {
+    va_list alist;
+
+    va_start(alist, format);
+    fputs("Pstack_iter DEBUG: ", stderr);
+    vfprintf(stderr, format, alist);
+    va_end(alist);
+  }
+}
+#endif // !SOLARIS_11_B159_OR_LATER
 
 static void print_debug(const char* format,...) {
   if (_libsaproc_debug) {
@@ -450,6 +467,7 @@
   return 0;
 }
 
+// Pstack_iter() proc_stack_f callback prior to Nevada-B159
 static int
 fill_cframe_list(void *cd, const prgregset_t regs, uint_t argc, const long *argv) {
   DebuggerWith2Objects* dbgo2 = (DebuggerWith2Objects*) cd;
@@ -472,6 +490,14 @@
   return 0;
 }
 
+// Pstack_iter() proc_stack_f callback in Nevada-B159 or later
+/*ARGSUSED*/
+static int
+wrapper_fill_cframe_list(void *cd, const prgregset_t regs, uint_t argc,
+                         const long *argv, int frame_flags, int sig) {
+  return(fill_cframe_list(cd, regs, argc, argv));
+}
+
 // part of the class sharing workaround
 
 // FIXME: !!HACK ALERT!!
@@ -970,6 +996,11 @@
                    TD_THR_ANY_STATE, TD_THR_LOWEST_PRIORITY, TD_SIGNO_MASK, TD_THR_ANY_USER_FLAGS);
 }
 
+#ifndef SOLARIS_11_B159_OR_LATER
+// building on Nevada-B158 or earlier so more hoops to jump through
+static bool has_newer_Pstack_iter = false;  // older version by default
+#endif
+
 /*
  * Class:       sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal
  * Method:      fillCFrameList0
@@ -997,7 +1028,24 @@
 
   env->ReleaseLongArrayElements(regsArray, ptr, JNI_ABORT);
   CHECK_EXCEPTION_(0);
-  Pstack_iter((struct ps_prochandle*) p_ps_prochandle, gregs, fill_cframe_list, &dbgo2);
+
+#ifdef SOLARIS_11_B159_OR_LATER
+  // building on Nevada-B159 or later so use the new callback
+  Pstack_iter((struct ps_prochandle*) p_ps_prochandle, gregs,
+              wrapper_fill_cframe_list, &dbgo2);
+#else
+  // building on Nevada-B158 or earlier so figure out which callback to use
+
+  if (has_newer_Pstack_iter) {
+    // Since we're building on Nevada-B158 or earlier, we have to
+    // cast wrapper_fill_cframe_list to make the compiler happy.
+    Pstack_iter((struct ps_prochandle*) p_ps_prochandle, gregs,
+                (proc_stack_f *)wrapper_fill_cframe_list, &dbgo2);
+  } else {
+    Pstack_iter((struct ps_prochandle*) p_ps_prochandle, gregs,
+                fill_cframe_list, &dbgo2);
+  }
+#endif // SOLARIS_11_B159_OR_LATER
   return dbgo2.obj;
 }
 
@@ -1218,6 +1266,102 @@
   return res;
 }
 
+#ifndef SOLARIS_11_B159_OR_LATER
+// Determine if the OS we're running on has the newer version
+// of libproc's Pstack_iter.
+//
+// Set env var PSTACK_ITER_DEBUG=true to debug this logic.
+// Set env var PSTACK_ITER_DEBUG_RELEASE to simulate a 'release' value.
+// Set env var PSTACK_ITER_DEBUG_VERSION to simulate a 'version' value.
+//
+// frankenputer 'uname -r -v': 5.10 Generic_141445-09
+// jurassic 'uname -r -v':     5.11 snv_164
+// lonepeak 'uname -r -v':     5.11 snv_127
+//
+static void set_has_newer_Pstack_iter(JNIEnv *env) {
+  static bool done_set = false;
+
+  if (done_set) {
+    // already set has_newer_Pstack_iter
+    return;
+  }
+
+  struct utsname name;
+  if (uname(&name) == -1) {
+    THROW_NEW_DEBUGGER_EXCEPTION("uname() failed!");
+  }
+  dprintf_2("release='%s'  version='%s'\n", name.release, name.version);
+
+  if (_Pstack_iter_debug) {
+    char *override = getenv("PSTACK_ITER_DEBUG_RELEASE");
+    if (override != NULL) {
+      strncpy(name.release, override, SYS_NMLN - 1);
+      name.release[SYS_NMLN - 2] = '\0';
+      dprintf_2("overriding with release='%s'\n", name.release);
+    }
+    override = getenv("PSTACK_ITER_DEBUG_VERSION");
+    if (override != NULL) {
+      strncpy(name.version, override, SYS_NMLN - 1);
+      name.version[SYS_NMLN - 2] = '\0';
+      dprintf_2("overriding with version='%s'\n", name.version);
+    }
+  }
+
+  // the major number corresponds to the old SunOS major number
+  int major = atoi(name.release);
+  if (major >= 6) {
+    dprintf_2("release is SunOS 6 or later\n");
+    has_newer_Pstack_iter = true;
+    done_set = true;
+    return;
+  }
+  if (major < 5) {
+    dprintf_2("release is SunOS 4 or earlier\n");
+    done_set = true;
+    return;
+  }
+
+  // some SunOS 5.* build so now check for Solaris versions
+  char *dot = strchr(name.release, '.');
+  int minor = 0;
+  if (dot != NULL) {
+    // release is major.minor format
+    *dot = NULL;
+    minor = atoi(dot + 1);
+  }
+
+  if (minor <= 10) {
+    dprintf_2("release is Solaris 10 or earlier\n");
+    done_set = true;
+    return;
+  } else if (minor >= 12) {
+    dprintf_2("release is Solaris 12 or later\n");
+    has_newer_Pstack_iter = true;
+    done_set = true;
+    return;
+  }
+
+  // some Solaris 11 build so now check for internal build numbers
+  if (strncmp(name.version, "snv_", 4) != 0) {
+    dprintf_2("release is Solaris 11 post-GA or later\n");
+    has_newer_Pstack_iter = true;
+    done_set = true;
+    return;
+  }
+
+  // version begins with "snv_" so a pre-GA build of Solaris 11
+  int build = atoi(&name.version[4]);
+  if (build >= 159) {
+    dprintf_2("release is Nevada-B159 or later\n");
+    has_newer_Pstack_iter = true;
+  } else {
+    dprintf_2("release is Nevada-B158 or earlier\n");
+  }
+
+  done_set = true;
+}
+#endif // !SOLARIS_11_B159_OR_LATER
+
 /*
  * Class:       sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal
  * Method:      initIDs
@@ -1237,6 +1381,14 @@
   if (libproc_handle == 0)
      THROW_NEW_DEBUGGER_EXCEPTION("can't load libproc.so, if you are using Solaris 5.7 or below, copy libproc.so from 5.8!");
 
+#ifndef SOLARIS_11_B159_OR_LATER
+  _Pstack_iter_debug = getenv("PSTACK_ITER_DEBUG") != NULL;
+
+  set_has_newer_Pstack_iter(env);
+  CHECK_EXCEPTION;
+  dprintf_2("has_newer_Pstack_iter=%d\n", has_newer_Pstack_iter);
+#endif
+
   p_ps_prochandle_ID = env->GetFieldID(clazz, "p_ps_prochandle", "J");
   CHECK_EXCEPTION;
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/jdk6_hotspot_distro	Wed May 04 11:04:45 2011 -0400
@@ -0,0 +1,32 @@
+# 
+# Copyright (c) 2011, 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.
+# 
+
+#
+# This file format must remain compatible with both
+# GNU Makefile and Microsoft nmake formats.
+#
+
+# Don't put quotes (fail windows build).
+HOTSPOT_VM_DISTRO=Java HotSpot(TM)
+COMPANY_NAME=Sun Microsystems, Inc.
+PRODUCT_NAME=Java(TM) Platform SE
--- a/make/linux/makefiles/gcc.make	Fri Apr 29 17:00:19 2011 -0700
+++ b/make/linux/makefiles/gcc.make	Wed May 04 11:04:45 2011 -0400
@@ -205,7 +205,7 @@
 SHARED_FLAG = -shared
 
 # Keep symbols even they are not used
-AOUT_FLAGS += -export-dynamic
+AOUT_FLAGS += -Xlinker -export-dynamic
 
 #------------------------------------------------------------------------
 # Debug flags
--- a/make/linux/makefiles/vm.make	Fri Apr 29 17:00:19 2011 -0700
+++ b/make/linux/makefiles/vm.make	Wed May 04 11:04:45 2011 -0400
@@ -102,6 +102,10 @@
 CFLAGS += $(EXTRA_CFLAGS)
 LFLAGS += $(EXTRA_CFLAGS)
 
+# Don't set excutable bit on stack segment
+# the same could be done by separate execstack command
+LFLAGS += -Xlinker -z -Xlinker noexecstack
+
 LIBS += -lm -ldl -lpthread
 
 # By default, link the *.o into the library, not the executable.
--- a/make/solaris/makefiles/saproc.make	Fri Apr 29 17:00:19 2011 -0700
+++ b/make/solaris/makefiles/saproc.make	Wed May 04 11:04:45 2011 -0400
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2011, 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
@@ -56,6 +56,30 @@
 SA_LFLAGS += -mt -xnolib -norunpath
 endif
 
+# The libproc Pstack_iter() interface changed in Nevada-B159.
+# This logic needs to match
+# agent/src/os/solaris/proc/saproc.cpp: set_has_newer_Pstack_iter():
+#   - skip SunOS 4 or older
+#   - skip Solaris 10 or older
+#   - skip two digit Nevada builds
+#   - skip three digit Nevada builds thru 149
+#   - skip Nevada builds 150-158
+SOLARIS_11_B159_OR_LATER := \
+$(shell uname -r -v \
+    | sed -n ' \
+          /^[0-3]\. /b \
+          /^5\.[0-9] /b \
+          /^5\.10 /b \
+          / snv_[0-9][0-9]$/b \
+          / snv_[01][0-4][0-9]$/b \
+          / snv_15[0-8]$/b \
+          s/.*/-DSOLARIS_11_B159_OR_LATER/p \
+          ')
+
+# Uncomment the following to simulate building on Nevada-B159 or later
+# when actually building on Nevada-B158 or earlier:
+#SOLARIS_11_B159_OR_LATER=-DSOLARIS_11_B159_OR_LATER
+
 $(LIBSAPROC): $(SASRCFILES) $(SAMAPFILE)
 	$(QUIETLY) if [ "$(BOOT_JAVA_HOME)" = "" ]; then \
 	  echo "ALT_BOOTDIR, BOOTDIR or JAVA_HOME needs to be defined to build SA"; \
@@ -68,6 +92,7 @@
 	           -I$(GENERATED)                                       \
 	           -I$(BOOT_JAVA_HOME)/include                          \
 	           -I$(BOOT_JAVA_HOME)/include/$(Platform_os_family)    \
+	           $(SOLARIS_11_B159_OR_LATER)                          \
 	           $(SASRCFILES)                                        \
 	           $(SA_LFLAGS)                                         \
 	           -o $@                                                \
--- a/make/solaris/makefiles/sparcWorks.make	Fri Apr 29 17:00:19 2011 -0700
+++ b/make/solaris/makefiles/sparcWorks.make	Wed May 04 11:04:45 2011 -0400
@@ -100,11 +100,6 @@
 
 LINK_LIB.CC/PRE_HOOK += $(JVM_CHECK_SYMBOLS) || exit 1;
 
-# Some interfaces (_lwp_create) changed with LP64 and Solaris 7
-SOLARIS_7_OR_LATER := \
-$(shell uname -r | awk -F. '{ if ($$2 >= 7) print "-DSOLARIS_7_OR_LATER"; }')
-CFLAGS += ${SOLARIS_7_OR_LATER}
-
 # New architecture options started in SS12 (5.9), we need both styles to build.
 #   The older arch options for SS11 (5.8) or older and also for /usr/ccs/bin/as.
 #   Note: default for 32bit sparc is now the same as v8plus, so the
--- a/make/windows/build.make	Fri Apr 29 17:00:19 2011 -0700
+++ b/make/windows/build.make	Wed May 04 11:04:45 2011 -0400
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -125,7 +125,25 @@
 # or make/hotspot_distro.
 !ifndef HOTSPOT_VM_DISTRO
 !if exists($(WorkSpace)\src\closed)
+
+# if the build is for JDK6 or earlier version, it should include jdk6_hotspot_distro,
+# instead of hotspot_distro.
+JDK6_OR_EARLIER=0
+!if "$(JDK_MAJOR_VERSION)" != "" && "$(JDK_MINOR_VERSION)" != "" && "$(JDK_MICRO_VERSION)" != ""
+!if $(JDK_MAJOR_VERSION) == 1 && $(JDK_MINOR_VERSION) < 7
+JDK6_OR_EARLIER=1
+!endif
+!else
+!if $(JDK_MAJOR_VER) == 1 && $(JDK_MINOR_VER) < 7
+JDK6_OR_EARLIER=1
+!endif
+!endif
+
+!if $(JDK6_OR_EARLIER) == 1
+!include $(WorkSpace)\make\jdk6_hotspot_distro
+!else
 !include $(WorkSpace)\make\hotspot_distro
+!endif
 !else
 !include $(WorkSpace)\make\openjdk_distro
 !endif
@@ -260,7 +278,7 @@
 	@ echo Variant=$(realVariant)				>> $@
 	@ echo WorkSpace=$(WorkSpace)				>> $@
 	@ echo BootStrapDir=$(BootStrapDir)			>> $@
-        @ if "$(USERNAME)" NEQ "" echo BuildUser=$(USERNAME)	>> $@
+	@ if "$(USERNAME)" NEQ "" echo BuildUser=$(USERNAME)	>> $@
 	@ echo HS_VER=$(HS_VER)					>> $@
 	@ echo HS_DOTVER=$(HS_DOTVER)				>> $@
 	@ echo HS_COMPANY=$(COMPANY_NAME)			>> $@
--- a/src/os_cpu/linux_x86/vm/orderAccess_linux_x86.inline.hpp	Fri Apr 29 17:00:19 2011 -0700
+++ b/src/os_cpu/linux_x86/vm/orderAccess_linux_x86.inline.hpp	Wed May 04 11:04:45 2011 -0400
@@ -93,7 +93,7 @@
 
 inline void     OrderAccess::store_fence(jbyte*  p, jbyte  v) {
   __asm__ volatile (  "xchgb (%2),%0"
-                    : "=r" (v)
+                    : "=q" (v)
                     : "0" (v), "r" (p)
                     : "memory");
 }
@@ -155,7 +155,7 @@
 // Must duplicate definitions instead of calling store_fence because we don't want to cast away volatile.
 inline void     OrderAccess::release_store_fence(volatile jbyte*  p, jbyte  v) {
   __asm__ volatile (  "xchgb (%2),%0"
-                    : "=r" (v)
+                    : "=q" (v)
                     : "0" (v), "r" (p)
                     : "memory");
 }
--- a/src/share/vm/memory/allocation.cpp	Fri Apr 29 17:00:19 2011 -0700
+++ b/src/share/vm/memory/allocation.cpp	Wed May 04 11:04:45 2011 -0400
@@ -44,6 +44,14 @@
   return (void *) AllocateHeap(size, "CHeapObj-new");
 }
 
+void* CHeapObj::operator new (size_t size, const std::nothrow_t&  nothrow_constant) {
+  char* p = (char*) os::malloc(size);
+#ifdef ASSERT
+  if (PrintMallocFree) trace_heap_malloc(size, "CHeapObj-new", p);
+#endif
+  return p;
+}
+
 void CHeapObj::operator delete(void* p){
  FreeHeap(p);
 }
--- a/src/share/vm/memory/allocation.hpp	Fri Apr 29 17:00:19 2011 -0700
+++ b/src/share/vm/memory/allocation.hpp	Wed May 04 11:04:45 2011 -0400
@@ -34,6 +34,8 @@
 #include "opto/c2_globals.hpp"
 #endif
 
+#include <new>
+
 #define ARENA_ALIGN_M1 (((size_t)(ARENA_AMALLOC_ALIGNMENT)) - 1)
 #define ARENA_ALIGN_MASK (~((size_t)ARENA_ALIGN_M1))
 #define ARENA_ALIGN(x) ((((size_t)(x)) + ARENA_ALIGN_M1) & ARENA_ALIGN_MASK)
@@ -99,6 +101,7 @@
 class CHeapObj ALLOCATION_SUPER_CLASS_SPEC {
  public:
   void* operator new(size_t size);
+  void* operator new (size_t size, const std::nothrow_t&  nothrow_constant);
   void  operator delete(void* p);
   void* new_array(size_t size);
 };
--- a/src/share/vm/prims/jvmtiExport.cpp	Fri Apr 29 17:00:19 2011 -0700
+++ b/src/share/vm/prims/jvmtiExport.cpp	Wed May 04 11:04:45 2011 -0400
@@ -1804,6 +1804,8 @@
 }
 
 void JvmtiExport::post_dynamic_code_generated_internal(const char *name, const void *code_begin, const void *code_end) {
+  assert(name != NULL && name[0] != '\0', "sanity check");
+
   JavaThread* thread = JavaThread::current();
   // In theory everyone coming thru here is in_vm but we need to be certain
   // because a callee will do a vm->native transition
--- a/src/share/vm/prims/jvmtiImpl.cpp	Fri Apr 29 17:00:19 2011 -0700
+++ b/src/share/vm/prims/jvmtiImpl.cpp	Wed May 04 11:04:45 2011 -0400
@@ -38,6 +38,7 @@
 #include "runtime/handles.inline.hpp"
 #include "runtime/interfaceSupport.hpp"
 #include "runtime/javaCalls.hpp"
+#include "runtime/os.hpp"
 #include "runtime/serviceThread.hpp"
 #include "runtime/signature.hpp"
 #include "runtime/vframe.hpp"
@@ -939,10 +940,15 @@
   nmethodLocker::lock_nmethod(nm, true /* zombie_ok */);
   return event;
 }
+
 JvmtiDeferredEvent JvmtiDeferredEvent::dynamic_code_generated_event(
       const char* name, const void* code_begin, const void* code_end) {
   JvmtiDeferredEvent event = JvmtiDeferredEvent(TYPE_DYNAMIC_CODE_GENERATED);
-  event._event_data.dynamic_code_generated.name = name;
+  // Need to make a copy of the name since we don't know how long
+  // the event poster will keep it around after we enqueue the
+  // deferred event and return. strdup() failure is handled in
+  // the post() routine below.
+  event._event_data.dynamic_code_generated.name = os::strdup(name);
   event._event_data.dynamic_code_generated.code_begin = code_begin;
   event._event_data.dynamic_code_generated.code_end = code_end;
   return event;
@@ -968,12 +974,19 @@
       nmethodLocker::unlock_nmethod(nm);
       break;
     }
-    case TYPE_DYNAMIC_CODE_GENERATED:
+    case TYPE_DYNAMIC_CODE_GENERATED: {
       JvmtiExport::post_dynamic_code_generated_internal(
-        _event_data.dynamic_code_generated.name,
+        // if strdup failed give the event a default name
+        (_event_data.dynamic_code_generated.name == NULL)
+          ? "unknown_code" : _event_data.dynamic_code_generated.name,
         _event_data.dynamic_code_generated.code_begin,
         _event_data.dynamic_code_generated.code_end);
+      if (_event_data.dynamic_code_generated.name != NULL) {
+        // release our copy
+        os::free((void *)_event_data.dynamic_code_generated.name);
+      }
       break;
+    }
     default:
       ShouldNotReachHere();
   }
--- a/src/share/vm/utilities/elfFile.cpp	Fri Apr 29 17:00:19 2011 -0700
+++ b/src/share/vm/utilities/elfFile.cpp	Wed May 04 11:04:45 2011 -0400
@@ -29,6 +29,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <limits.h>
+#include <new>
 
 #include "memory/allocation.inline.hpp"
 #include "utilities/decoder.hpp"
@@ -46,7 +47,7 @@
   m_status = Decoder::no_error;
 
   int len = strlen(filepath) + 1;
-  m_filepath = NEW_C_HEAP_ARRAY(char, len);
+  m_filepath = (const char*)os::malloc(len * sizeof(char));
   if (m_filepath != NULL) {
     strcpy((char*)m_filepath, filepath);
     m_file = fopen(filepath, "r");
@@ -74,7 +75,7 @@
   }
 
   if (m_filepath != NULL) {
-    FREE_C_HEAP_ARRAY(char, m_filepath);
+    os::free((void*)m_filepath);
   }
 
   if (m_next != NULL) {
@@ -120,14 +121,14 @@
       }
       // string table
       if (shdr.sh_type == SHT_STRTAB) {
-        ElfStringTable* table = new ElfStringTable(m_file, shdr, index);
+        ElfStringTable* table = new (std::nothrow) ElfStringTable(m_file, shdr, index);
         if (table == NULL) {
           m_status = Decoder::out_of_memory;
           return false;
         }
         add_string_table(table);
       } else if (shdr.sh_type == SHT_SYMTAB || shdr.sh_type == SHT_DYNSYM) {
-        ElfSymbolTable* table = new ElfSymbolTable(m_file, shdr);
+        ElfSymbolTable* table = new (std::nothrow) ElfSymbolTable(m_file, shdr);
         if (table == NULL) {
           m_status = Decoder::out_of_memory;
           return false;
--- a/src/share/vm/utilities/elfStringTable.cpp	Fri Apr 29 17:00:19 2011 -0700
+++ b/src/share/vm/utilities/elfStringTable.cpp	Wed May 04 11:04:45 2011 -0400
@@ -27,6 +27,7 @@
 #ifndef _WINDOWS
 
 #include "memory/allocation.inline.hpp"
+#include "runtime/os.hpp"
 #include "utilities/elfStringTable.hpp"
 
 // We will try to load whole string table into memory if we can.
@@ -41,14 +42,14 @@
 
   // try to load the string table
   long cur_offset = ftell(file);
-  m_table = (char*)NEW_C_HEAP_ARRAY(char, shdr.sh_size);
+  m_table = (char*)os::malloc(sizeof(char) * shdr.sh_size);
   if (m_table != NULL) {
     // if there is an error, mark the error
     if (fseek(file, shdr.sh_offset, SEEK_SET) ||
       fread((void*)m_table, shdr.sh_size, 1, file) != 1 ||
       fseek(file, cur_offset, SEEK_SET)) {
       m_status = Decoder::file_invalid;
-      FREE_C_HEAP_ARRAY(char, m_table);
+      os::free((void*)m_table);
       m_table = NULL;
     }
   } else {
@@ -58,7 +59,7 @@
 
 ElfStringTable::~ElfStringTable() {
   if (m_table != NULL) {
-    FREE_C_HEAP_ARRAY(char, m_table);
+    os::free((void*)m_table);
   }
 
   if (m_next != NULL) {