changeset 15189:53ce4c2c2e8a

8004747: Remove last_entry from VM_STRUCT macros Summary: Instead of passing in last_entry to all the VM_ macros just expand it in the main vmStructs.cpp file. Reviewed-by: dholmes, sspitsyn, minqi
author mikael
date Thu, 10 Jan 2013 17:06:26 -0800
parents 3916ac601e04
children a981848b466d
files hotspot/src/cpu/sparc/vm/vmStructs_sparc.hpp hotspot/src/cpu/x86/vm/vmStructs_x86.hpp hotspot/src/cpu/zero/vm/vmStructs_zero.hpp hotspot/src/os_cpu/bsd_x86/vm/vmStructs_bsd_x86.hpp hotspot/src/os_cpu/bsd_zero/vm/vmStructs_bsd_zero.hpp hotspot/src/os_cpu/linux_sparc/vm/vmStructs_linux_sparc.hpp hotspot/src/os_cpu/linux_x86/vm/vmStructs_linux_x86.hpp hotspot/src/os_cpu/linux_zero/vm/vmStructs_linux_zero.hpp hotspot/src/os_cpu/solaris_sparc/vm/vmStructs_solaris_sparc.hpp hotspot/src/os_cpu/solaris_x86/vm/vmStructs_solaris_x86.hpp hotspot/src/os_cpu/windows_x86/vm/vmStructs_windows_x86.hpp hotspot/src/share/vm/runtime/vmStructs.cpp
diffstat 12 files changed, 179 insertions(+), 326 deletions(-) [+]
line wrap: on
line diff
--- a/hotspot/src/cpu/sparc/vm/vmStructs_sparc.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/cpu/sparc/vm/vmStructs_sparc.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -29,7 +29,7 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry)            \
+#define VM_STRUCTS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field)            \
  \
   /******************************/                                                                                                   \
   /* JavaCallWrapper            */                                                                                                   \
@@ -37,22 +37,12 @@
   /******************************/                                                                                                   \
   /* JavaFrameAnchor            */                                                                                                   \
   /******************************/                                                                                                   \
-  volatile_nonstatic_field(JavaFrameAnchor,     _flags,                                          int)                                \
-                                                                                                                                     \
+  volatile_nonstatic_field(JavaFrameAnchor,     _flags,                                          int)
 
-  /* NOTE that we do not use the last_entry() macro here; it is used  */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_STRUCTS_OS_CPU macro (and must  */
-  /* be present there)                                                */
+#define VM_TYPES_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type)
 
 
-#define VM_TYPES_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry)                               \
-
-  /* NOTE that we do not use the last_entry() macro here; it is used  */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_TYPES_OS_CPU macro (and must    */
-  /* be present there)                                                */
-
-
-#define VM_INT_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry)                                                              \
+#define VM_INT_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)                                                              \
   /******************************/                                        \
   /* Register numbers (C2 only) */                                        \
   /******************************/                                        \
@@ -90,15 +80,6 @@
   declare_c2_constant(R_G6_num)                                           \
   declare_c2_constant(R_G7_num)
 
-
-  /* NOTE that we do not use the last_entry() macro here; it is used       */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_INT_CONSTANTS_OS_CPU macro (and must */
-  /* be present there)                                                     */
-
-#define VM_LONG_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry)                                                              \
-
-  /* NOTE that we do not use the last_entry() macro here; it is used        */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_LONG_CONSTANTS_OS_CPU macro (and must */
-  /* be present there)                                                      */
+#define VM_LONG_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // CPU_SPARC_VM_VMSTRUCTS_SPARC_HPP
--- a/hotspot/src/cpu/x86/vm/vmStructs_x86.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/cpu/x86/vm/vmStructs_x86.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -29,7 +29,7 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry)            \
+#define VM_STRUCTS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field)            \
                                                                                                                                      \
   /******************************/                                                                                                   \
   /* JavaCallWrapper            */                                                                                                   \
@@ -37,31 +37,14 @@
   /******************************/                                                                                                   \
   /* JavaFrameAnchor            */                                                                                                   \
   /******************************/                                                                                                   \
-  volatile_nonstatic_field(JavaFrameAnchor,     _last_Java_fp,                                    intptr_t*)                              \
-                                                                                                                                     \
+  volatile_nonstatic_field(JavaFrameAnchor,     _last_Java_fp,                                    intptr_t*)
 
-  /* NOTE that we do not use the last_entry() macro here; it is used  */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_STRUCTS_OS_CPU macro (and must  */
-  /* be present there)                                                */
 
 
-#define VM_TYPES_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry)                               \
+#define VM_TYPES_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type)
 
-  /* NOTE that we do not use the last_entry() macro here; it is used  */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_TYPES_OS_CPU macro (and must    */
-  /* be present there)                                                */
+#define VM_INT_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
-
-#define VM_INT_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry)                                                              \
-
-  /* NOTE that we do not use the last_entry() macro here; it is used        */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_INT_CONSTANTS_OS_CPU macro (and must  */
-  /* be present there)                                                      */
-
-#define VM_LONG_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry)                                                              \
-
-  /* NOTE that we do not use the last_entry() macro here; it is used         */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_LONG_CONSTANTS_OS_CPU macro (and must  */
-  /* be present there)                                                       */
+#define VM_LONG_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // CPU_X86_VM_VMSTRUCTS_X86_HPP
--- a/hotspot/src/cpu/zero/vm/vmStructs_zero.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/cpu/zero/vm/vmStructs_zero.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -30,28 +30,12 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
+#define VM_STRUCTS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field)
 
-  /* NOTE that we do not use the last_entry() macro here; it is used  */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_STRUCTS_OS_CPU macro (and must  */
-  /* be present there)                                                */
+#define VM_TYPES_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type)
 
-#define VM_TYPES_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry) \
+#define VM_INT_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
-  /* NOTE that we do not use the last_entry() macro here; it is used  */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_TYPES_OS_CPU macro (and must    */
-  /* be present there)                                                */
-
-#define VM_INT_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-
-  /* NOTE that we do not use the last_entry() macro here; it is used        */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_INT_CONSTANTS_OS_CPU macro (and must  */
-  /* be present there)                                                      */
-
-#define VM_LONG_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-
-  /* NOTE that we do not use the last_entry() macro here; it is used         */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_LONG_CONSTANTS_OS_CPU macro (and must  */
-  /* be present there)                                                       */
+#define VM_LONG_CONSTANTS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // CPU_ZERO_VM_VMSTRUCTS_ZERO_HPP
--- a/hotspot/src/os_cpu/bsd_x86/vm/vmStructs_bsd_x86.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/os_cpu/bsd_x86/vm/vmStructs_bsd_x86.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -29,37 +29,26 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
+#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field) \
                                                                                                                                      \
   /******************************/                                                                                                   \
   /* Threads (NOTE: incomplete) */                                                                                                   \
   /******************************/                                                                                                   \
   nonstatic_field(OSThread,                      _thread_id,                                      OSThread::thread_id_t)             \
-  nonstatic_field(OSThread,                      _pthread_id,                                     pthread_t)                         \
-  /* This must be the last entry, and must be present */                                                                             \
-  last_entry()
+  nonstatic_field(OSThread,                      _pthread_id,                                     pthread_t)
 
 
-#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry) \
+#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type) \
                                                                           \
   /**********************/                                                \
   /* Posix Thread IDs   */                                                \
   /**********************/                                                \
                                                                           \
   declare_unsigned_integer_type(OSThread::thread_id_t)                    \
-  declare_unsigned_integer_type(pthread_t)                                \
-                                                                          \
-  /* This must be the last entry, and must be present */                  \
-  last_entry()
+  declare_unsigned_integer_type(pthread_t)
 
-#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
-#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // OS_CPU_BSD_X86_VM_VMSTRUCTS_BSD_X86_HPP
--- a/hotspot/src/os_cpu/bsd_zero/vm/vmStructs_bsd_zero.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/os_cpu/bsd_zero/vm/vmStructs_bsd_zero.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -30,21 +30,13 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field)
 
 
-#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry) \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type)
 
-#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
-#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // OS_CPU_BSD_ZERO_VM_VMSTRUCTS_BSD_ZERO_HPP
--- a/hotspot/src/os_cpu/linux_sparc/vm/vmStructs_linux_sparc.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/os_cpu/linux_sparc/vm/vmStructs_linux_sparc.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -29,7 +29,7 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
+#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field) \
                                                                                                                                      \
   /******************************/                                                                                                   \
   /* Threads (NOTE: incomplete) */                                                                                                   \
@@ -37,38 +37,27 @@
                                                                                                                                      \
   nonstatic_field(JavaThread,                  _base_of_stack_pointer,                        intptr_t*)                             \
   nonstatic_field(OSThread,                    _thread_id,                                    OSThread::thread_id_t)                 \
-  nonstatic_field(OSThread,                    _pthread_id,                                   pthread_t)                             \
-  /* This must be the last entry, and must be present */                                                                             \
-  last_entry()
+  nonstatic_field(OSThread,                    _pthread_id,                                   pthread_t)
 
 
-#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry) \
+#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type) \
                                                                           \
   /**********************/                                                \
   /* POSIX Thread IDs */                                                  \
   /**********************/                                                \
                                                                           \
   declare_integer_type(OSThread::thread_id_t)                             \
-  declare_unsigned_integer_type(pthread_t)                                \
-                                                                          \
-  /* This must be the last entry, and must be present */                  \
-  last_entry()
+  declare_unsigned_integer_type(pthread_t)
 
 
-#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
+#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant) \
                                                                         \
   /************************/                                            \
   /* JavaThread constants */                                            \
   /************************/                                            \
                                                                         \
-  declare_constant(JavaFrameAnchor::flushed)                            \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+  declare_constant(JavaFrameAnchor::flushed)
 
-#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // OS_CPU_LINUX_SPARC_VM_VMSTRUCTS_LINUX_SPARC_HPP
--- a/hotspot/src/os_cpu/linux_x86/vm/vmStructs_linux_x86.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/os_cpu/linux_x86/vm/vmStructs_linux_x86.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -29,37 +29,26 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
+#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field) \
                                                                                                                                      \
   /******************************/                                                                                                   \
   /* Threads (NOTE: incomplete) */                                                                                                   \
   /******************************/                                                                                                   \
   nonstatic_field(OSThread,                      _thread_id,                                      OSThread::thread_id_t)             \
-  nonstatic_field(OSThread,                      _pthread_id,                                     pthread_t)                         \
-  /* This must be the last entry, and must be present */                                                                             \
-  last_entry()
+  nonstatic_field(OSThread,                      _pthread_id,                                     pthread_t)
 
 
-#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry) \
+#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type) \
                                                                           \
   /**********************/                                                \
   /* Posix Thread IDs   */                                                \
   /**********************/                                                \
                                                                           \
   declare_integer_type(OSThread::thread_id_t)                             \
-  declare_unsigned_integer_type(pthread_t)                                \
-                                                                          \
-  /* This must be the last entry, and must be present */                  \
-  last_entry()
+  declare_unsigned_integer_type(pthread_t)
 
-#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
-#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // OS_CPU_LINUX_X86_VM_VMSTRUCTS_LINUX_X86_HPP
--- a/hotspot/src/os_cpu/linux_zero/vm/vmStructs_linux_zero.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/os_cpu/linux_zero/vm/vmStructs_linux_zero.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -30,21 +30,12 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field)
 
+#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type)
 
-#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry) \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
-#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
-
-#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // OS_CPU_LINUX_ZERO_VM_VMSTRUCTS_LINUX_ZERO_HPP
--- a/hotspot/src/os_cpu/solaris_sparc/vm/vmStructs_solaris_sparc.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/os_cpu/solaris_sparc/vm/vmStructs_solaris_sparc.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -29,44 +29,32 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
+#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field) \
                                                                                                                                      \
   /******************************/                                                                                                   \
   /* Threads (NOTE: incomplete) */                                                                                                   \
   /******************************/                                                                                                   \
                                                                                                                                      \
   nonstatic_field(JavaThread,                  _base_of_stack_pointer,                        intptr_t*)                             \
-  nonstatic_field(OSThread,                    _thread_id,                                    OSThread::thread_id_t)                 \
-  /* This must be the last entry, and must be present */                                                                             \
-  last_entry()
+  nonstatic_field(OSThread,                    _thread_id,                                    OSThread::thread_id_t)
 
-
-#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry) \
+#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type) \
                                                                           \
   /**********************/                                                \
   /* Solaris Thread IDs */                                                \
   /**********************/                                                \
                                                                           \
-  declare_unsigned_integer_type(OSThread::thread_id_t)                    \
-                                                                          \
-  /* This must be the last entry, and must be present */                  \
-  last_entry()
+  declare_unsigned_integer_type(OSThread::thread_id_t)
 
 
-#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
+#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant) \
                                                                         \
   /************************/                                            \
   /* JavaThread constants */                                            \
   /************************/                                            \
                                                                         \
-  declare_constant(JavaFrameAnchor::flushed)                            \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+  declare_constant(JavaFrameAnchor::flushed)
 
-#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // OS_CPU_SOLARIS_SPARC_VM_VMSTRUCTS_SOLARIS_SPARC_HPP
--- a/hotspot/src/os_cpu/solaris_x86/vm/vmStructs_solaris_x86.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/os_cpu/solaris_x86/vm/vmStructs_solaris_x86.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -29,36 +29,24 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
+#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field) \
                                                                                                                                      \
   /******************************/                                                                                                   \
   /* Threads (NOTE: incomplete) */                                                                                                   \
   /******************************/                                                                                                   \
                                                                                                                                      \
-  nonstatic_field(OSThread,                      _thread_id,                                    OSThread::thread_id_t)               \
-                                                                                                                                     \
-  /* This must be the last entry, and must be present */                                                                             \
-  last_entry()
+  nonstatic_field(OSThread,                      _thread_id,                                    OSThread::thread_id_t)
 
-#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry) \
+#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type) \
                                                                           \
   /**********************/                                                \
   /* Solaris Thread IDs */                                                \
   /**********************/                                                \
                                                                           \
-  declare_unsigned_integer_type(OSThread::thread_id_t)                    \
-                                                                          \
-  /* This must be the last entry, and must be present */                  \
-  last_entry()
+  declare_unsigned_integer_type(OSThread::thread_id_t)
 
-#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
-#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // OS_CPU_SOLARIS_X86_VM_VMSTRUCTS_SOLARIS_X86_HPP
--- a/hotspot/src/os_cpu/windows_x86/vm/vmStructs_windows_x86.hpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/os_cpu/windows_x86/vm/vmStructs_windows_x86.hpp	Thu Jan 10 17:06:26 2013 -0800
@@ -29,32 +29,21 @@
 // constants required by the Serviceability Agent. This file is
 // referenced by vmStructs.cpp.
 
-#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field, last_entry) \
+#define VM_STRUCTS_OS_CPU(nonstatic_field, static_field, unchecked_nonstatic_field, volatile_nonstatic_field, nonproduct_nonstatic_field, c2_nonstatic_field, unchecked_c1_static_field, unchecked_c2_static_field) \
                                                                                                                                      \
   /******************************/                                                                                                   \
   /* Threads (NOTE: incomplete) */                                                                                                   \
   /******************************/                                                                                                   \
                                                                                                                                      \
   nonstatic_field(OSThread,                    _thread_id,                                    OSThread::thread_id_t)                 \
-  unchecked_nonstatic_field(OSThread,          _thread_handle,                                sizeof(HANDLE)) /* NOTE: no type */    \
-                                                                                                                                     \
-  /* This must be the last entry, and must be present */                                                                             \
-  last_entry()
+  unchecked_nonstatic_field(OSThread,          _thread_handle,                                sizeof(HANDLE)) /* NOTE: no type */
 
-#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type, last_entry) \
+#define VM_TYPES_OS_CPU(declare_type, declare_toplevel_type, declare_oop_type, declare_integer_type, declare_unsigned_integer_type, declare_c1_toplevel_type, declare_c2_type, declare_c2_toplevel_type) \
                                                                           \
-  declare_unsigned_integer_type(OSThread::thread_id_t)                    \
-  /* This must be the last entry, and must be present */                  \
-  last_entry()
+  declare_unsigned_integer_type(OSThread::thread_id_t)
 
-#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_INT_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
-#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
-                                                                        \
-  /* This must be the last entry, and must be present */                \
-  last_entry()
+#define VM_LONG_CONSTANTS_OS_CPU(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant)
 
 #endif // OS_CPU_WINDOWS_X86_VM_VMSTRUCTS_WINDOWS_X86_HPP
--- a/hotspot/src/share/vm/runtime/vmStructs.cpp	Thu Jan 10 17:38:20 2013 -0500
+++ b/hotspot/src/share/vm/runtime/vmStructs.cpp	Thu Jan 10 17:06:26 2013 -0800
@@ -257,8 +257,7 @@
                    c1_nonstatic_field, \
                    c2_nonstatic_field, \
                    unchecked_c1_static_field, \
-                   unchecked_c2_static_field, \
-                   last_entry) \
+                   unchecked_c2_static_field) \
                                                                                                                                      \
   /******************************************************************/                                                               \
   /* OopDesc and Klass hierarchies (NOTE: MethodData* incomplete) */                                                               \
@@ -1238,9 +1237,6 @@
   nonstatic_field(FreeList<Metablock>,         _count,                                       ssize_t)                                \
   nonstatic_field(MetablockTreeDictionary,     _total_size,                                  size_t)
 
-  /* NOTE that we do not use the last_entry() macro here; it is used  */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_STRUCTS_OS_CPU macro (and must  */
-  /* be present there)                                                */
 
 //--------------------------------------------------------------------------------
 // VM_TYPES
@@ -1280,8 +1276,7 @@
                  declare_unsigned_integer_type,                           \
                  declare_c1_toplevel_type,                                \
                  declare_c2_type,                                         \
-                 declare_c2_toplevel_type,                                \
-                 last_entry)                                              \
+                 declare_c2_toplevel_type)                                \
                                                                           \
   /*************************************************************/         \
   /* Java primitive types -- required by the SA implementation */         \
@@ -2098,10 +2093,6 @@
            declare_type(MetablockTreeDictionary, FreeBlockDictionary<Metablock>)
 
 
-  /* NOTE that we do not use the last_entry() macro here; it is used  */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_TYPES_OS_CPU macro (and must be */
-  /* present there)                                                   */
-
 //--------------------------------------------------------------------------------
 // VM_INT_CONSTANTS
 //
@@ -2114,8 +2105,7 @@
                          declare_preprocessor_constant,                   \
                          declare_c1_constant,                             \
                          declare_c2_constant,                             \
-                         declare_c2_preprocessor_constant,                \
-                         last_entry)                                      \
+                         declare_c2_preprocessor_constant)                \
                                                                           \
   /******************/                                                    \
   /* Useful globals */                                                    \
@@ -2483,9 +2473,6 @@
   declare_c2_preprocessor_constant("SAVED_ON_ENTRY_REG_COUNT", SAVED_ON_ENTRY_REG_COUNT) \
   declare_c2_preprocessor_constant("C_SAVED_ON_ENTRY_REG_COUNT", C_SAVED_ON_ENTRY_REG_COUNT)
 
-  /* NOTE that we do not use the last_entry() macro here; it is used  */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_INT_CONSTANTS_OS_CPU macro (and */
-  /* must be present there)                                           */
 
 //--------------------------------------------------------------------------------
 // VM_LONG_CONSTANTS
@@ -2495,7 +2482,7 @@
 // enums, etc., while "declare_preprocessor_constant" must be used for
 // all #defined constants.
 
-#define VM_LONG_CONSTANTS(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant, last_entry) \
+#define VM_LONG_CONSTANTS(declare_constant, declare_preprocessor_constant, declare_c1_constant, declare_c2_constant, declare_c2_preprocessor_constant) \
                                                                           \
   /*********************/                                                 \
   /* MarkOop constants */                                                 \
@@ -2541,11 +2528,7 @@
   /* Constants in markOop used by CMS. */                                 \
   declare_constant(markOopDesc::cms_shift)                                \
   declare_constant(markOopDesc::cms_mask)                                 \
-  declare_constant(markOopDesc::size_shift)                               \
-
-  /* NOTE that we do not use the last_entry() macro here; it is used   */
-  /* in vmStructs_<os>_<cpu>.hpp's VM_LONG_CONSTANTS_OS_CPU macro (and */
-  /* must be present there)                                            */
+  declare_constant(markOopDesc::size_shift)
 
 
 //--------------------------------------------------------------------------------
@@ -2608,9 +2591,6 @@
 // This is a no-op macro for unchecked fields
 #define CHECK_NO_OP(a, b, c)
 
-// This is a no-op macro for the sentinel value
-#define CHECK_SENTINEL()
-
 //
 // Build-specific macros:
 //
@@ -2789,48 +2769,47 @@
 // as long as class VMStructs is a friend
 VMStructEntry VMStructs::localHotSpotVMStructs[] = {
 
-  VM_STRUCTS(GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
-             GENERATE_STATIC_VM_STRUCT_ENTRY, \
-             GENERATE_UNCHECKED_NONSTATIC_VM_STRUCT_ENTRY, \
-             GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
-             GENERATE_NONPRODUCT_NONSTATIC_VM_STRUCT_ENTRY, \
-             GENERATE_C1_NONSTATIC_VM_STRUCT_ENTRY, \
-             GENERATE_C2_NONSTATIC_VM_STRUCT_ENTRY, \
-             GENERATE_C1_UNCHECKED_STATIC_VM_STRUCT_ENTRY, \
-             GENERATE_C2_UNCHECKED_STATIC_VM_STRUCT_ENTRY, \
-             GENERATE_VM_STRUCT_LAST_ENTRY)
+  VM_STRUCTS(GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
+             GENERATE_STATIC_VM_STRUCT_ENTRY,
+             GENERATE_UNCHECKED_NONSTATIC_VM_STRUCT_ENTRY,
+             GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
+             GENERATE_NONPRODUCT_NONSTATIC_VM_STRUCT_ENTRY,
+             GENERATE_C1_NONSTATIC_VM_STRUCT_ENTRY,
+             GENERATE_C2_NONSTATIC_VM_STRUCT_ENTRY,
+             GENERATE_C1_UNCHECKED_STATIC_VM_STRUCT_ENTRY,
+             GENERATE_C2_UNCHECKED_STATIC_VM_STRUCT_ENTRY)
 
 #ifndef SERIALGC
-  VM_STRUCTS_PARALLELGC(GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
+  VM_STRUCTS_PARALLELGC(GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
                         GENERATE_STATIC_VM_STRUCT_ENTRY)
 
-  VM_STRUCTS_CMS(GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
-                 GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
+  VM_STRUCTS_CMS(GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
+                 GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
                  GENERATE_STATIC_VM_STRUCT_ENTRY)
 
-  VM_STRUCTS_G1(GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
+  VM_STRUCTS_G1(GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
                 GENERATE_STATIC_VM_STRUCT_ENTRY)
 #endif // SERIALGC
 
-  VM_STRUCTS_CPU(GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
-                 GENERATE_STATIC_VM_STRUCT_ENTRY, \
-                 GENERATE_UNCHECKED_NONSTATIC_VM_STRUCT_ENTRY, \
-                 GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
-                 GENERATE_NONPRODUCT_NONSTATIC_VM_STRUCT_ENTRY, \
-                 GENERATE_C2_NONSTATIC_VM_STRUCT_ENTRY, \
-                 GENERATE_C1_UNCHECKED_STATIC_VM_STRUCT_ENTRY, \
-                 GENERATE_C2_UNCHECKED_STATIC_VM_STRUCT_ENTRY, \
-                 GENERATE_VM_STRUCT_LAST_ENTRY)
+  VM_STRUCTS_CPU(GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
+                 GENERATE_STATIC_VM_STRUCT_ENTRY,
+                 GENERATE_UNCHECKED_NONSTATIC_VM_STRUCT_ENTRY,
+                 GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
+                 GENERATE_NONPRODUCT_NONSTATIC_VM_STRUCT_ENTRY,
+                 GENERATE_C2_NONSTATIC_VM_STRUCT_ENTRY,
+                 GENERATE_C1_UNCHECKED_STATIC_VM_STRUCT_ENTRY,
+                 GENERATE_C2_UNCHECKED_STATIC_VM_STRUCT_ENTRY)
 
-  VM_STRUCTS_OS_CPU(GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
-                    GENERATE_STATIC_VM_STRUCT_ENTRY, \
-                    GENERATE_UNCHECKED_NONSTATIC_VM_STRUCT_ENTRY, \
-                    GENERATE_NONSTATIC_VM_STRUCT_ENTRY, \
-                    GENERATE_NONPRODUCT_NONSTATIC_VM_STRUCT_ENTRY, \
-                    GENERATE_C2_NONSTATIC_VM_STRUCT_ENTRY, \
-                    GENERATE_C1_UNCHECKED_STATIC_VM_STRUCT_ENTRY, \
-                    GENERATE_C2_UNCHECKED_STATIC_VM_STRUCT_ENTRY, \
-                    GENERATE_VM_STRUCT_LAST_ENTRY)
+  VM_STRUCTS_OS_CPU(GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
+                    GENERATE_STATIC_VM_STRUCT_ENTRY,
+                    GENERATE_UNCHECKED_NONSTATIC_VM_STRUCT_ENTRY,
+                    GENERATE_NONSTATIC_VM_STRUCT_ENTRY,
+                    GENERATE_NONPRODUCT_NONSTATIC_VM_STRUCT_ENTRY,
+                    GENERATE_C2_NONSTATIC_VM_STRUCT_ENTRY,
+                    GENERATE_C1_UNCHECKED_STATIC_VM_STRUCT_ENTRY,
+                    GENERATE_C2_UNCHECKED_STATIC_VM_STRUCT_ENTRY)
+
+  GENERATE_VM_STRUCT_LAST_ENTRY()
 };
 
 VMTypeEntry VMStructs::localHotSpotVMTypes[] = {
@@ -2842,8 +2821,7 @@
            GENERATE_UNSIGNED_INTEGER_VM_TYPE_ENTRY,
            GENERATE_C1_TOPLEVEL_VM_TYPE_ENTRY,
            GENERATE_C2_VM_TYPE_ENTRY,
-           GENERATE_C2_TOPLEVEL_VM_TYPE_ENTRY,
-           GENERATE_VM_TYPE_LAST_ENTRY)
+           GENERATE_C2_TOPLEVEL_VM_TYPE_ENTRY)
 
 #ifndef SERIALGC
   VM_TYPES_PARALLELGC(GENERATE_VM_TYPE_ENTRY,
@@ -2865,8 +2843,7 @@
                GENERATE_UNSIGNED_INTEGER_VM_TYPE_ENTRY,
                GENERATE_C1_TOPLEVEL_VM_TYPE_ENTRY,
                GENERATE_C2_VM_TYPE_ENTRY,
-               GENERATE_C2_TOPLEVEL_VM_TYPE_ENTRY,
-               GENERATE_VM_TYPE_LAST_ENTRY)
+               GENERATE_C2_TOPLEVEL_VM_TYPE_ENTRY)
 
   VM_TYPES_OS_CPU(GENERATE_VM_TYPE_ENTRY,
                   GENERATE_TOPLEVEL_VM_TYPE_ENTRY,
@@ -2875,8 +2852,9 @@
                   GENERATE_UNSIGNED_INTEGER_VM_TYPE_ENTRY,
                   GENERATE_C1_TOPLEVEL_VM_TYPE_ENTRY,
                   GENERATE_C2_VM_TYPE_ENTRY,
-                  GENERATE_C2_TOPLEVEL_VM_TYPE_ENTRY,
-                  GENERATE_VM_TYPE_LAST_ENTRY)
+                  GENERATE_C2_TOPLEVEL_VM_TYPE_ENTRY)
+
+  GENERATE_VM_TYPE_LAST_ENTRY()
 };
 
 VMIntConstantEntry VMStructs::localHotSpotVMIntConstants[] = {
@@ -2885,8 +2863,7 @@
                    GENERATE_PREPROCESSOR_VM_INT_CONSTANT_ENTRY,
                    GENERATE_C1_VM_INT_CONSTANT_ENTRY,
                    GENERATE_C2_VM_INT_CONSTANT_ENTRY,
-                   GENERATE_C2_PREPROCESSOR_VM_INT_CONSTANT_ENTRY,
-                   GENERATE_VM_INT_CONSTANT_LAST_ENTRY)
+                   GENERATE_C2_PREPROCESSOR_VM_INT_CONSTANT_ENTRY)
 
 #ifndef SERIALGC
   VM_INT_CONSTANTS_CMS(GENERATE_VM_INT_CONSTANT_ENTRY)
@@ -2898,15 +2875,15 @@
                        GENERATE_PREPROCESSOR_VM_INT_CONSTANT_ENTRY,
                        GENERATE_C1_VM_INT_CONSTANT_ENTRY,
                        GENERATE_C2_VM_INT_CONSTANT_ENTRY,
-                       GENERATE_C2_PREPROCESSOR_VM_INT_CONSTANT_ENTRY,
-                       GENERATE_VM_INT_CONSTANT_LAST_ENTRY)
+                       GENERATE_C2_PREPROCESSOR_VM_INT_CONSTANT_ENTRY)
 
   VM_INT_CONSTANTS_OS_CPU(GENERATE_VM_INT_CONSTANT_ENTRY,
                           GENERATE_PREPROCESSOR_VM_INT_CONSTANT_ENTRY,
                           GENERATE_C1_VM_INT_CONSTANT_ENTRY,
                           GENERATE_C2_VM_INT_CONSTANT_ENTRY,
-                          GENERATE_C2_PREPROCESSOR_VM_INT_CONSTANT_ENTRY,
-                          GENERATE_VM_INT_CONSTANT_LAST_ENTRY)
+                          GENERATE_C2_PREPROCESSOR_VM_INT_CONSTANT_ENTRY)
+
+  GENERATE_VM_INT_CONSTANT_LAST_ENTRY()
 };
 
 VMLongConstantEntry VMStructs::localHotSpotVMLongConstants[] = {
@@ -2915,22 +2892,21 @@
                     GENERATE_PREPROCESSOR_VM_LONG_CONSTANT_ENTRY,
                     GENERATE_C1_VM_LONG_CONSTANT_ENTRY,
                     GENERATE_C2_VM_LONG_CONSTANT_ENTRY,
-                    GENERATE_C2_PREPROCESSOR_VM_LONG_CONSTANT_ENTRY,
-                    GENERATE_VM_LONG_CONSTANT_LAST_ENTRY)
+                    GENERATE_C2_PREPROCESSOR_VM_LONG_CONSTANT_ENTRY)
 
   VM_LONG_CONSTANTS_CPU(GENERATE_VM_LONG_CONSTANT_ENTRY,
                         GENERATE_PREPROCESSOR_VM_LONG_CONSTANT_ENTRY,
                         GENERATE_C1_VM_LONG_CONSTANT_ENTRY,
                         GENERATE_C2_VM_LONG_CONSTANT_ENTRY,
-                        GENERATE_C2_PREPROCESSOR_VM_LONG_CONSTANT_ENTRY,
-                        GENERATE_VM_LONG_CONSTANT_LAST_ENTRY)
+                        GENERATE_C2_PREPROCESSOR_VM_LONG_CONSTANT_ENTRY)
 
   VM_LONG_CONSTANTS_OS_CPU(GENERATE_VM_LONG_CONSTANT_ENTRY,
                            GENERATE_PREPROCESSOR_VM_LONG_CONSTANT_ENTRY,
                            GENERATE_C1_VM_LONG_CONSTANT_ENTRY,
                            GENERATE_C2_VM_LONG_CONSTANT_ENTRY,
-                           GENERATE_C2_PREPROCESSOR_VM_LONG_CONSTANT_ENTRY,
-                           GENERATE_VM_LONG_CONSTANT_LAST_ENTRY)
+                           GENERATE_C2_PREPROCESSOR_VM_LONG_CONSTANT_ENTRY)
+
+  GENERATE_VM_LONG_CONSTANT_LAST_ENTRY()
 };
 
 // This is used both to check the types of referenced fields and, in
@@ -2945,8 +2921,7 @@
              CHECK_C1_NONSTATIC_VM_STRUCT_ENTRY,
              CHECK_C2_NONSTATIC_VM_STRUCT_ENTRY,
              CHECK_NO_OP,
-             CHECK_NO_OP,
-             CHECK_SENTINEL);
+             CHECK_NO_OP);
 
 #ifndef SERIALGC
   VM_STRUCTS_PARALLELGC(CHECK_NONSTATIC_VM_STRUCT_ENTRY,
@@ -2967,8 +2942,7 @@
                  CHECK_NONPRODUCT_NONSTATIC_VM_STRUCT_ENTRY,
                  CHECK_C2_NONSTATIC_VM_STRUCT_ENTRY,
                  CHECK_NO_OP,
-                 CHECK_NO_OP,
-                 CHECK_SENTINEL);
+                 CHECK_NO_OP);
 
   VM_STRUCTS_OS_CPU(CHECK_NONSTATIC_VM_STRUCT_ENTRY,
                     CHECK_STATIC_VM_STRUCT_ENTRY,
@@ -2977,8 +2951,7 @@
                     CHECK_NONPRODUCT_NONSTATIC_VM_STRUCT_ENTRY,
                     CHECK_C2_NONSTATIC_VM_STRUCT_ENTRY,
                     CHECK_NO_OP,
-                    CHECK_NO_OP,
-                    CHECK_SENTINEL);
+                    CHECK_NO_OP);
 
   VM_TYPES(CHECK_VM_TYPE_ENTRY,
            CHECK_SINGLE_ARG_VM_TYPE_NO_OP,
@@ -2987,8 +2960,7 @@
            CHECK_SINGLE_ARG_VM_TYPE_NO_OP,
            CHECK_C1_TOPLEVEL_VM_TYPE_ENTRY,
            CHECK_C2_VM_TYPE_ENTRY,
-           CHECK_C2_TOPLEVEL_VM_TYPE_ENTRY,
-           CHECK_SENTINEL);
+           CHECK_C2_TOPLEVEL_VM_TYPE_ENTRY);
 
 #ifndef SERIALGC
   VM_TYPES_PARALLELGC(CHECK_VM_TYPE_ENTRY,
@@ -3010,8 +2982,7 @@
                CHECK_SINGLE_ARG_VM_TYPE_NO_OP,
                CHECK_C1_TOPLEVEL_VM_TYPE_ENTRY,
                CHECK_C2_VM_TYPE_ENTRY,
-               CHECK_C2_TOPLEVEL_VM_TYPE_ENTRY,
-               CHECK_SENTINEL);
+               CHECK_C2_TOPLEVEL_VM_TYPE_ENTRY);
 
   VM_TYPES_OS_CPU(CHECK_VM_TYPE_ENTRY,
                   CHECK_SINGLE_ARG_VM_TYPE_NO_OP,
@@ -3020,8 +2991,7 @@
                   CHECK_SINGLE_ARG_VM_TYPE_NO_OP,
                   CHECK_C1_TOPLEVEL_VM_TYPE_ENTRY,
                   CHECK_C2_VM_TYPE_ENTRY,
-                  CHECK_C2_TOPLEVEL_VM_TYPE_ENTRY,
-                  CHECK_SENTINEL);
+                  CHECK_C2_TOPLEVEL_VM_TYPE_ENTRY);
 
   //
   // Split VM_STRUCTS() invocation into two parts to allow MS VC++ 6.0
@@ -3040,53 +3010,49 @@
   // Solstice NFS setup. If everyone switches to local workspaces on
   // Win32, we can put this back in.
 #ifndef _WINDOWS
-  debug_only(VM_STRUCTS(ENSURE_FIELD_TYPE_PRESENT, \
-                        CHECK_NO_OP, \
-                        CHECK_NO_OP, \
-                        CHECK_NO_OP, \
-                        CHECK_NO_OP, \
-                        CHECK_NO_OP, \
-                        CHECK_NO_OP, \
-                        CHECK_NO_OP, \
-                        CHECK_NO_OP, \
-                        CHECK_SENTINEL));
-  debug_only(VM_STRUCTS(CHECK_NO_OP, \
-                        ENSURE_FIELD_TYPE_PRESENT, \
-                        CHECK_NO_OP, \
-                        ENSURE_FIELD_TYPE_PRESENT, \
-                        ENSURE_NONPRODUCT_FIELD_TYPE_PRESENT, \
-                        ENSURE_C1_FIELD_TYPE_PRESENT, \
-                        ENSURE_C2_FIELD_TYPE_PRESENT, \
-                        CHECK_NO_OP, \
-                        CHECK_NO_OP, \
-                        CHECK_SENTINEL));
+  debug_only(VM_STRUCTS(ENSURE_FIELD_TYPE_PRESENT,
+                        CHECK_NO_OP,
+                        CHECK_NO_OP,
+                        CHECK_NO_OP,
+                        CHECK_NO_OP,
+                        CHECK_NO_OP,
+                        CHECK_NO_OP,
+                        CHECK_NO_OP,
+                        CHECK_NO_OP));
+  debug_only(VM_STRUCTS(CHECK_NO_OP,
+                        ENSURE_FIELD_TYPE_PRESENT,
+                        CHECK_NO_OP,
+                        ENSURE_FIELD_TYPE_PRESENT,
+                        ENSURE_NONPRODUCT_FIELD_TYPE_PRESENT,
+                        ENSURE_C1_FIELD_TYPE_PRESENT,
+                        ENSURE_C2_FIELD_TYPE_PRESENT,
+                        CHECK_NO_OP,
+                        CHECK_NO_OP));
 #ifndef SERIALGC
-  debug_only(VM_STRUCTS_PARALLELGC(ENSURE_FIELD_TYPE_PRESENT, \
+  debug_only(VM_STRUCTS_PARALLELGC(ENSURE_FIELD_TYPE_PRESENT,
                                    ENSURE_FIELD_TYPE_PRESENT));
-  debug_only(VM_STRUCTS_CMS(ENSURE_FIELD_TYPE_PRESENT, \
-                            ENSURE_FIELD_TYPE_PRESENT, \
+  debug_only(VM_STRUCTS_CMS(ENSURE_FIELD_TYPE_PRESENT,
+                            ENSURE_FIELD_TYPE_PRESENT,
                             ENSURE_FIELD_TYPE_PRESENT));
-  debug_only(VM_STRUCTS_G1(ENSURE_FIELD_TYPE_PRESENT, \
+  debug_only(VM_STRUCTS_G1(ENSURE_FIELD_TYPE_PRESENT,
                            ENSURE_FIELD_TYPE_PRESENT));
 #endif // SERIALGC
-  debug_only(VM_STRUCTS_CPU(ENSURE_FIELD_TYPE_PRESENT, \
-                            ENSURE_FIELD_TYPE_PRESENT, \
-                            CHECK_NO_OP, \
-                            ENSURE_FIELD_TYPE_PRESENT, \
-                            ENSURE_NONPRODUCT_FIELD_TYPE_PRESENT, \
-                            ENSURE_C2_FIELD_TYPE_PRESENT, \
-                            CHECK_NO_OP, \
-                            CHECK_NO_OP, \
-                            CHECK_SENTINEL));
-  debug_only(VM_STRUCTS_OS_CPU(ENSURE_FIELD_TYPE_PRESENT, \
-                               ENSURE_FIELD_TYPE_PRESENT, \
-                               CHECK_NO_OP, \
-                               ENSURE_FIELD_TYPE_PRESENT, \
-                               ENSURE_NONPRODUCT_FIELD_TYPE_PRESENT, \
-                               ENSURE_C2_FIELD_TYPE_PRESENT, \
-                               CHECK_NO_OP, \
-                               CHECK_NO_OP, \
-                               CHECK_SENTINEL));
+  debug_only(VM_STRUCTS_CPU(ENSURE_FIELD_TYPE_PRESENT,
+                            ENSURE_FIELD_TYPE_PRESENT,
+                            CHECK_NO_OP,
+                            ENSURE_FIELD_TYPE_PRESENT,
+                            ENSURE_NONPRODUCT_FIELD_TYPE_PRESENT,
+                            ENSURE_C2_FIELD_TYPE_PRESENT,
+                            CHECK_NO_OP,
+                            CHECK_NO_OP));
+  debug_only(VM_STRUCTS_OS_CPU(ENSURE_FIELD_TYPE_PRESENT,
+                               ENSURE_FIELD_TYPE_PRESENT,
+                               CHECK_NO_OP,
+                               ENSURE_FIELD_TYPE_PRESENT,
+                               ENSURE_NONPRODUCT_FIELD_TYPE_PRESENT,
+                               ENSURE_C2_FIELD_TYPE_PRESENT,
+                               CHECK_NO_OP,
+                               CHECK_NO_OP));
 #endif
 }
 
@@ -3206,6 +3172,30 @@
 
 #ifndef PRODUCT
 void VMStructs::test() {
+  // Make sure last entry in the each array is indeed the correct end marker.
+  // The reason why these are static is to make sure they are zero initialized.
+  // Putting them on the stack will leave some garbage in the padding of some fields.
+  static VMStructEntry struct_last_entry = GENERATE_VM_STRUCT_LAST_ENTRY();
+  assert(memcmp(&localHotSpotVMStructs[(sizeof(localHotSpotVMStructs) / sizeof(VMStructEntry)) - 1],
+                &struct_last_entry,
+                sizeof(VMStructEntry)) == 0, "Incorrect last entry in localHotSpotVMStructs");
+
+  static VMTypeEntry type_last_entry = GENERATE_VM_TYPE_LAST_ENTRY();
+  assert(memcmp(&localHotSpotVMTypes[sizeof(localHotSpotVMTypes) / sizeof(VMTypeEntry) - 1],
+                &type_last_entry,
+                sizeof(VMTypeEntry)) == 0, "Incorrect last entry in localHotSpotVMTypes");
+
+  static VMIntConstantEntry int_last_entry = GENERATE_VM_INT_CONSTANT_LAST_ENTRY();
+  assert(memcmp(&localHotSpotVMIntConstants[sizeof(localHotSpotVMIntConstants) / sizeof(VMIntConstantEntry) - 1],
+                &int_last_entry,
+                sizeof(VMIntConstantEntry)) == 0, "Incorrect last entry in localHotSpotVMIntConstants");
+
+  static VMLongConstantEntry long_last_entry = GENERATE_VM_LONG_CONSTANT_LAST_ENTRY();
+  assert(memcmp(&localHotSpotVMLongConstants[sizeof(localHotSpotVMLongConstants) / sizeof(VMLongConstantEntry) - 1],
+                &long_last_entry,
+                sizeof(VMLongConstantEntry)) == 0, "Incorrect last entry in localHotSpotVMLongConstants");
+
+
   // Check for duplicate entries in type array
   for (int i = 0; localHotSpotVMTypes[i].typeName != NULL; i++) {
     for (int j = i + 1; localHotSpotVMTypes[j].typeName != NULL; j++) {