hotspot/src/os/solaris/dtrace/generateJvmOffsets.cpp - edge/openjdk - Git at Google

 /*
  * Copyright (c) 2003, 2013, 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 is to provide sanity check in jhelper.d which compares SCCS
  * versions of generateJvmOffsets.cpp used to create and extract
  * contents of __JvmOffsets[] table.
  * The __JvmOffsets[] table is located in generated JvmOffsets.cpp.
  *
  * GENOFFS_SCCS_VER 34
  */

 #include "generateJvmOffsets.h"

 /* A workaround for private and protected fields */
 #define private   public
 #define protected public

 #include <proc_service.h>
 #include "code/codeBlob.hpp"
 #include "code/nmethod.hpp"
 #include "code/pcDesc.hpp"
 #include "gc_interface/collectedHeap.hpp"
 #include "memory/heap.hpp"
 #include "memory/memRegion.hpp"
 #include "memory/universe.hpp"
 #include "oops/constMethod.hpp"
 #include "oops/klass.hpp"
 #include "oops/method.hpp"
 #include "oops/oop.hpp"
 #include "oops/symbol.hpp"
 #include "runtime/virtualspace.hpp"
 #include "runtime/vmStructs.hpp"
 #include "utilities/accessFlags.hpp"
 #include "utilities/globalDefinitions.hpp"
 #ifdef COMPILER1
 #ifdef ASSERT

 /*
  * To avoid the most part of potential link errors
  * we link this program with -z nodefs .
  *
  * But for 'debug1' and 'fastdebug1' we still have to provide
  * a particular workaround for the following symbols below.
  * It will be good to find out a generic way in the future.
  */

 #pragma weak tty
 #pragma weak CMSExpAvgFactor

 #if defined(i386) || defined(__i386) || defined(__amd64)
 #pragma weak noreg
 #endif /* i386 */

 LIR_Opr LIR_OprFact::illegalOpr = (LIR_Opr) 0;

 address StubRoutines::_call_stub_return_address = NULL;

 StubQueue* AbstractInterpreter::_code = NULL;

 #endif /* ASSERT */
 #endif /* COMPILER1 */

 #define GEN_OFFS(Type,Name)                             \
   switch(gen_variant) {                                 \
   case GEN_OFFSET:                                      \
     printf("#define OFFSET_%-33s %d\n",                 \
             #Type #Name, offset_of(Type, Name));        \
     break;                                              \
   case GEN_INDEX:                                       \
     printf("#define IDX_OFFSET_%-33s %d\n",             \
             #Type #Name, index++);                      \
     break;                                              \
   case GEN_TABLE:                                       \
     printf("\tOFFSET_%s,\n", #Type #Name);              \
     break;                                              \
   }

 #define GEN_SIZE(Type)                                  \
   switch(gen_variant) {                                 \
   case GEN_OFFSET:                                      \
     printf("#define SIZE_%-35s %d\n",                   \
             #Type, sizeof(Type));                       \
     break;                                              \
   case GEN_INDEX:                                       \
     printf("#define IDX_SIZE_%-35s %d\n",               \
             #Type, index++);                            \
     break;                                              \
   case GEN_TABLE:                                       \
     printf("\tSIZE_%s,\n", #Type);                      \
     break;                                              \
   }

 #define GEN_VALUE(String,Value)                         \
   switch(gen_variant) {                                 \
   case GEN_OFFSET:                                      \
     printf("#define %-40s %d\n", #String, Value);       \
     break;                                              \
   case GEN_INDEX:                                       \
     printf("#define IDX_%-40s %d\n", #String, index++); \
     break;                                              \
   case GEN_TABLE:                                       \
     printf("\t" #String ",\n");                         \
     break;                                              \
   }

 void gen_prologue(GEN_variant gen_variant) {
     const char *suffix;

     switch(gen_variant) {
       case GEN_OFFSET: suffix = ".h";        break;
       case GEN_INDEX:  suffix = "Index.h";   break;
       case GEN_TABLE:  suffix = ".cpp";      break;
     }

     printf("/*\n");
     printf(" * JvmOffsets%s !!!DO NOT EDIT!!! \n", suffix);
     printf(" * The generateJvmOffsets program generates this file!\n");
     printf(" */\n\n");
     switch(gen_variant) {

       case GEN_OFFSET:
       case GEN_INDEX:
         break;

       case GEN_TABLE:
         printf("#include \"JvmOffsets.h\"\n");
         printf("\n");
         printf("int __JvmOffsets[] = {\n");
         break;
     }
 }

 void gen_epilogue(GEN_variant gen_variant) {
     if (gen_variant != GEN_TABLE) {
         return;
     }
     printf("};\n\n");
     return;
 }

 int generateJvmOffsets(GEN_variant gen_variant) {
   int index = 0;        /* It is used to generate JvmOffsetsIndex.h */
   int pointer_size = sizeof(void *);
   int data_model = (pointer_size == 4) ? PR_MODEL_ILP32 : PR_MODEL_LP64;

   gen_prologue(gen_variant);

   GEN_VALUE(DATA_MODEL, data_model);
   GEN_VALUE(POINTER_SIZE, pointer_size);
 #if defined(TIERED)
   GEN_VALUE(COMPILER, 3);
 #elif COMPILER1
   GEN_VALUE(COMPILER, 1);
 #elif COMPILER2
   GEN_VALUE(COMPILER, 2);
 #else
   GEN_VALUE(COMPILER, 0);
 #endif // COMPILER1 && COMPILER2
   printf("\n");

   GEN_OFFS(CollectedHeap, _reserved);
   GEN_OFFS(MemRegion, _start);
   GEN_OFFS(MemRegion, _word_size);
   GEN_SIZE(HeapWord);
   printf("\n");

   GEN_OFFS(VMStructEntry, typeName);
   GEN_OFFS(VMStructEntry, fieldName);
   GEN_OFFS(VMStructEntry, address);
   GEN_SIZE(VMStructEntry);
   printf("\n");

   GEN_VALUE(MAX_METHOD_CODE_SIZE, max_method_code_size);
 #if defined(sparc) || defined(__sparc)
   GEN_VALUE(OFFSET_interpreter_frame_method, 2 * pointer_size);     /* L2 in saved window */
   GEN_VALUE(OFFSET_interpreter_frame_sender_sp, 13 * pointer_size); /* I5 in saved window */
   // Fake value for consistency. It is not going to be used.
   GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, 0xFFFF);
 #elif defined(i386) || defined(__i386) || defined(__amd64)
   GEN_VALUE(OFFSET_interpreter_frame_sender_sp, -1 * pointer_size);
   GEN_VALUE(OFFSET_interpreter_frame_method, -3 * pointer_size);
   GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, -7 * pointer_size);
 #endif

   GEN_OFFS(Klass, _name);
   GEN_OFFS(ConstantPool, _pool_holder);
   printf("\n");

   GEN_VALUE(OFFSET_HeapBlockHeader_used, offset_of(HeapBlock::Header, _used));
   GEN_OFFS(oopDesc, _metadata);
   printf("\n");

   GEN_VALUE(AccessFlags_NATIVE, JVM_ACC_NATIVE);
   GEN_VALUE(ConstMethod_has_linenumber_table, ConstMethod::_has_linenumber_table);
   GEN_OFFS(AccessFlags, _flags);
   GEN_OFFS(Symbol, _length);
   GEN_OFFS(Symbol, _body);
   printf("\n");

   GEN_OFFS(Method, _constMethod);
   GEN_OFFS(Method, _access_flags);
   printf("\n");

   GEN_OFFS(ConstMethod, _constants);
   GEN_OFFS(ConstMethod, _flags);
   GEN_OFFS(ConstMethod, _code_size);
   GEN_OFFS(ConstMethod, _name_index);
   GEN_OFFS(ConstMethod, _signature_index);
   printf("\n");

   GEN_OFFS(CodeHeap, _memory);
   GEN_OFFS(CodeHeap, _segmap);
   GEN_OFFS(CodeHeap, _log2_segment_size);
   printf("\n");

   GEN_OFFS(VirtualSpace, _low_boundary);
   GEN_OFFS(VirtualSpace, _high_boundary);
   GEN_OFFS(VirtualSpace, _low);
   GEN_OFFS(VirtualSpace, _high);
   printf("\n");

   GEN_OFFS(CodeBlob, _name);
   GEN_OFFS(CodeBlob, _header_size);
   GEN_OFFS(CodeBlob, _content_offset);
   GEN_OFFS(CodeBlob, _code_offset);
   GEN_OFFS(CodeBlob, _data_offset);
   GEN_OFFS(CodeBlob, _frame_size);
   printf("\n");

   GEN_OFFS(nmethod, _method);
   GEN_OFFS(nmethod, _metadata_offset);
   GEN_OFFS(nmethod, _scopes_data_offset);
   GEN_OFFS(nmethod, _scopes_pcs_offset);
   GEN_OFFS(nmethod, _handler_table_offset);
   GEN_OFFS(nmethod, _deoptimize_offset);
   GEN_OFFS(nmethod, _orig_pc_offset);

   GEN_OFFS(PcDesc, _pc_offset);
   GEN_OFFS(PcDesc, _scope_decode_offset);

   printf("\n");

   GEN_OFFS(NarrowPtrStruct, _base);
   GEN_OFFS(NarrowPtrStruct, _shift);
   printf("\n");

   GEN_VALUE(SIZE_HeapBlockHeader, sizeof(HeapBlock::Header));
   GEN_SIZE(oopDesc);
   GEN_SIZE(ConstantPool);
   printf("\n");

   GEN_SIZE(PcDesc);
   GEN_SIZE(Method);
   GEN_SIZE(ConstMethod);
   GEN_SIZE(nmethod);
   GEN_SIZE(CodeBlob);
   GEN_SIZE(BufferBlob);
   GEN_SIZE(SingletonBlob);
   GEN_SIZE(RuntimeStub);
   GEN_SIZE(SafepointBlob);

   gen_epilogue(gen_variant);
   printf("\n");

   fflush(stdout);
   return 0;
 }
	/*
	* Copyright (c) 2003, 2013, 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 is to provide sanity check in jhelper.d which compares SCCS
	* versions of generateJvmOffsets.cpp used to create and extract
	* contents of __JvmOffsets[] table.
	* The __JvmOffsets[] table is located in generated JvmOffsets.cpp.
	*
	* GENOFFS_SCCS_VER 34
	*/

	#include "generateJvmOffsets.h"

	/* A workaround for private and protected fields */
	#define private public
	#define protected public

	#include <proc_service.h>
	#include "code/codeBlob.hpp"
	#include "code/nmethod.hpp"
	#include "code/pcDesc.hpp"
	#include "gc_interface/collectedHeap.hpp"
	#include "memory/heap.hpp"
	#include "memory/memRegion.hpp"
	#include "memory/universe.hpp"
	#include "oops/constMethod.hpp"
	#include "oops/klass.hpp"
	#include "oops/method.hpp"
	#include "oops/oop.hpp"
	#include "oops/symbol.hpp"
	#include "runtime/virtualspace.hpp"
	#include "runtime/vmStructs.hpp"
	#include "utilities/accessFlags.hpp"
	#include "utilities/globalDefinitions.hpp"
	#ifdef COMPILER1
	#ifdef ASSERT

	/*
	* To avoid the most part of potential link errors
	* we link this program with -z nodefs .
	*
	* But for 'debug1' and 'fastdebug1' we still have to provide
	* a particular workaround for the following symbols below.
	* It will be good to find out a generic way in the future.
	*/

	#pragma weak tty
	#pragma weak CMSExpAvgFactor

	#if defined(i386) \|\| defined(__i386) \|\| defined(__amd64)
	#pragma weak noreg
	#endif /* i386 */

	LIR_Opr LIR_OprFact::illegalOpr = (LIR_Opr) 0;

	address StubRoutines::_call_stub_return_address = NULL;

	StubQueue* AbstractInterpreter::_code = NULL;

	#endif /* ASSERT */
	#endif /* COMPILER1 */

	#define GEN_OFFS(Type,Name) \
	switch(gen_variant) { \
	case GEN_OFFSET: \
	printf("#define OFFSET_%-33s %d\n", \
	#Type #Name, offset_of(Type, Name)); \
	break; \
	case GEN_INDEX: \
	printf("#define IDX_OFFSET_%-33s %d\n", \
	#Type #Name, index++); \
	break; \
	case GEN_TABLE: \
	printf("\tOFFSET_%s,\n", #Type #Name); \
	break; \
	}

	#define GEN_SIZE(Type) \
	switch(gen_variant) { \
	case GEN_OFFSET: \
	printf("#define SIZE_%-35s %d\n", \
	#Type, sizeof(Type)); \
	break; \
	case GEN_INDEX: \
	printf("#define IDX_SIZE_%-35s %d\n", \
	#Type, index++); \
	break; \
	case GEN_TABLE: \
	printf("\tSIZE_%s,\n", #Type); \
	break; \
	}

	#define GEN_VALUE(String,Value) \
	switch(gen_variant) { \
	case GEN_OFFSET: \
	printf("#define %-40s %d\n", #String, Value); \
	break; \
	case GEN_INDEX: \
	printf("#define IDX_%-40s %d\n", #String, index++); \
	break; \
	case GEN_TABLE: \
	printf("\t" #String ",\n"); \
	break; \
	}

	void gen_prologue(GEN_variant gen_variant) {
	const char *suffix;

	switch(gen_variant) {
	case GEN_OFFSET: suffix = ".h"; break;
	case GEN_INDEX: suffix = "Index.h"; break;
	case GEN_TABLE: suffix = ".cpp"; break;
	}

	printf("/*\n");
	printf(" * JvmOffsets%s !!!DO NOT EDIT!!! \n", suffix);
	printf(" * The generateJvmOffsets program generates this file!\n");
	printf(" */\n\n");
	switch(gen_variant) {

	case GEN_OFFSET:
	case GEN_INDEX:
	break;

	case GEN_TABLE:
	printf("#include \"JvmOffsets.h\"\n");
	printf("\n");
	printf("int __JvmOffsets[] = {\n");
	break;
	}
	}

	void gen_epilogue(GEN_variant gen_variant) {
	if (gen_variant != GEN_TABLE) {
	return;
	}
	printf("};\n\n");
	return;
	}

	int generateJvmOffsets(GEN_variant gen_variant) {
	int index = 0; /* It is used to generate JvmOffsetsIndex.h */
	int pointer_size = sizeof(void *);
	int data_model = (pointer_size == 4) ? PR_MODEL_ILP32 : PR_MODEL_LP64;

	gen_prologue(gen_variant);

	GEN_VALUE(DATA_MODEL, data_model);
	GEN_VALUE(POINTER_SIZE, pointer_size);
	#if defined(TIERED)
	GEN_VALUE(COMPILER, 3);
	#elif COMPILER1
	GEN_VALUE(COMPILER, 1);
	#elif COMPILER2
	GEN_VALUE(COMPILER, 2);
	#else
	GEN_VALUE(COMPILER, 0);
	#endif // COMPILER1 && COMPILER2
	printf("\n");

	GEN_OFFS(CollectedHeap, _reserved);
	GEN_OFFS(MemRegion, _start);
	GEN_OFFS(MemRegion, _word_size);
	GEN_SIZE(HeapWord);
	printf("\n");

	GEN_OFFS(VMStructEntry, typeName);
	GEN_OFFS(VMStructEntry, fieldName);
	GEN_OFFS(VMStructEntry, address);
	GEN_SIZE(VMStructEntry);
	printf("\n");

	GEN_VALUE(MAX_METHOD_CODE_SIZE, max_method_code_size);
	#if defined(sparc) \|\| defined(__sparc)
	GEN_VALUE(OFFSET_interpreter_frame_method, 2 * pointer_size); /* L2 in saved window */
	GEN_VALUE(OFFSET_interpreter_frame_sender_sp, 13 * pointer_size); /* I5 in saved window */
	// Fake value for consistency. It is not going to be used.
	GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, 0xFFFF);
	#elif defined(i386) \|\| defined(__i386) \|\| defined(__amd64)
	GEN_VALUE(OFFSET_interpreter_frame_sender_sp, -1 * pointer_size);
	GEN_VALUE(OFFSET_interpreter_frame_method, -3 * pointer_size);
	GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, -7 * pointer_size);
	#endif

	GEN_OFFS(Klass, _name);
	GEN_OFFS(ConstantPool, _pool_holder);
	printf("\n");

	GEN_VALUE(OFFSET_HeapBlockHeader_used, offset_of(HeapBlock::Header, _used));
	GEN_OFFS(oopDesc, _metadata);
	printf("\n");

	GEN_VALUE(AccessFlags_NATIVE, JVM_ACC_NATIVE);
	GEN_VALUE(ConstMethod_has_linenumber_table, ConstMethod::_has_linenumber_table);
	GEN_OFFS(AccessFlags, _flags);
	GEN_OFFS(Symbol, _length);
	GEN_OFFS(Symbol, _body);
	printf("\n");

	GEN_OFFS(Method, _constMethod);
	GEN_OFFS(Method, _access_flags);
	printf("\n");

	GEN_OFFS(ConstMethod, _constants);
	GEN_OFFS(ConstMethod, _flags);
	GEN_OFFS(ConstMethod, _code_size);
	GEN_OFFS(ConstMethod, _name_index);
	GEN_OFFS(ConstMethod, _signature_index);
	printf("\n");

	GEN_OFFS(CodeHeap, _memory);
	GEN_OFFS(CodeHeap, _segmap);
	GEN_OFFS(CodeHeap, _log2_segment_size);
	printf("\n");

	GEN_OFFS(VirtualSpace, _low_boundary);
	GEN_OFFS(VirtualSpace, _high_boundary);
	GEN_OFFS(VirtualSpace, _low);
	GEN_OFFS(VirtualSpace, _high);
	printf("\n");

	GEN_OFFS(CodeBlob, _name);
	GEN_OFFS(CodeBlob, _header_size);
	GEN_OFFS(CodeBlob, _content_offset);
	GEN_OFFS(CodeBlob, _code_offset);
	GEN_OFFS(CodeBlob, _data_offset);
	GEN_OFFS(CodeBlob, _frame_size);
	printf("\n");

	GEN_OFFS(nmethod, _method);
	GEN_OFFS(nmethod, _metadata_offset);
	GEN_OFFS(nmethod, _scopes_data_offset);
	GEN_OFFS(nmethod, _scopes_pcs_offset);
	GEN_OFFS(nmethod, _handler_table_offset);
	GEN_OFFS(nmethod, _deoptimize_offset);
	GEN_OFFS(nmethod, _orig_pc_offset);

	GEN_OFFS(PcDesc, _pc_offset);
	GEN_OFFS(PcDesc, _scope_decode_offset);

	printf("\n");

	GEN_OFFS(NarrowPtrStruct, _base);
	GEN_OFFS(NarrowPtrStruct, _shift);
	printf("\n");

	GEN_VALUE(SIZE_HeapBlockHeader, sizeof(HeapBlock::Header));
	GEN_SIZE(oopDesc);
	GEN_SIZE(ConstantPool);
	printf("\n");

	GEN_SIZE(PcDesc);
	GEN_SIZE(Method);
	GEN_SIZE(ConstMethod);
	GEN_SIZE(nmethod);
	GEN_SIZE(CodeBlob);
	GEN_SIZE(BufferBlob);
	GEN_SIZE(SingletonBlob);
	GEN_SIZE(RuntimeStub);
	GEN_SIZE(SafepointBlob);

	gen_epilogue(gen_variant);
	printf("\n");

	fflush(stdout);
	return 0;
	}