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/*
* 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
* 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/constMethodOop.hpp"
#include "oops/klass.hpp"
#include "oops/methodOop.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
#if defined(DEBUG) || defined(FASTDEBUG)
/*
* 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 bellow.
* 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 /* defined(DEBUG) || defined(FASTDEBUG) */
#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(constantPoolOopDesc, _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(constMethodOopDesc_has_linenumber_table, constMethodOopDesc::_has_linenumber_table);
GEN_OFFS(AccessFlags, _flags);
GEN_OFFS(Symbol, _length);
GEN_OFFS(Symbol, _body);
printf("\n");
GEN_OFFS(methodOopDesc, _constMethod);
GEN_OFFS(methodOopDesc, _constants);
GEN_OFFS(methodOopDesc, _access_flags);
printf("\n");
GEN_OFFS(constMethodOopDesc, _flags);
GEN_OFFS(constMethodOopDesc, _code_size);
GEN_OFFS(constMethodOopDesc, _name_index);
GEN_OFFS(constMethodOopDesc, _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, _oops_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(NarrowOopStruct, _base);
GEN_OFFS(NarrowOopStruct, _shift);
printf("\n");
GEN_VALUE(SIZE_HeapBlockHeader, sizeof(HeapBlock::Header));
GEN_SIZE(oopDesc);
GEN_SIZE(constantPoolOopDesc);
printf("\n");
GEN_SIZE(PcDesc);
GEN_SIZE(methodOopDesc);
GEN_SIZE(constMethodOopDesc);
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;
}
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