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J. Duke
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272
hotspot/src/os/solaris/dtrace/generateJvmOffsets.cpp
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272
hotspot/src/os/solaris/dtrace/generateJvmOffsets.cpp
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/*
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* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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/*
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* This is to provide sanity check in jhelper.d which compares SCCS
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* versions of generateJvmOffsets.cpp used to create and extract
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* contents of __JvmOffsets[] table.
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* The __JvmOffsets[] table is located in generated JvmOffsets.cpp.
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*
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* GENOFFS_SCCS_VER 34
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*/
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#include "generateJvmOffsets.h"
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/* A workaround for private and protected fields */
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#define private public
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#define protected public
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#include <proc_service.h>
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#include "incls/_precompiled.incl"
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#include "incls/_vmStructs.cpp.incl"
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#ifdef COMPILER1
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#if defined(DEBUG) || defined(FASTDEBUG)
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/*
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* To avoid the most part of potential link errors
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* we link this program with -z nodefs .
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*
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* But for 'debug1' and 'fastdebug1' we still have to provide
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* a particular workaround for the following symbols bellow.
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* It will be good to find out a generic way in the future.
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*/
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#pragma weak tty
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#pragma weak CMSExpAvgFactor
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#if defined(i386) || defined(__i386) || defined(__amd64)
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#pragma weak noreg
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#endif /* i386 */
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LIR_Opr LIR_OprFact::illegalOpr = (LIR_Opr) 0;
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address StubRoutines::_call_stub_return_address = NULL;
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StubQueue* AbstractInterpreter::_code = NULL;
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#endif /* defined(DEBUG) || defined(FASTDEBUG) */
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#endif /* COMPILER1 */
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#define GEN_OFFS(Type,Name) \
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switch(gen_variant) { \
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case GEN_OFFSET: \
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printf("#define OFFSET_%-33s %d\n", \
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#Type #Name, offset_of(Type, Name)); \
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break; \
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case GEN_INDEX: \
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printf("#define IDX_OFFSET_%-33s %d\n", \
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#Type #Name, index++); \
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break; \
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case GEN_TABLE: \
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printf("\tOFFSET_%s,\n", #Type #Name); \
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break; \
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}
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#define GEN_SIZE(Type) \
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switch(gen_variant) { \
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case GEN_OFFSET: \
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printf("#define SIZE_%-35s %d\n", \
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#Type, sizeof(Type)); \
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break; \
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case GEN_INDEX: \
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printf("#define IDX_SIZE_%-35s %d\n", \
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#Type, index++); \
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break; \
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case GEN_TABLE: \
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printf("\tSIZE_%s,\n", #Type); \
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break; \
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}
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#define GEN_VALUE(String,Value) \
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switch(gen_variant) { \
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case GEN_OFFSET: \
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printf("#define %-40s %d\n", #String, Value); \
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break; \
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case GEN_INDEX: \
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printf("#define IDX_%-40s %d\n", #String, index++); \
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break; \
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case GEN_TABLE: \
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printf("\t" #String ",\n"); \
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break; \
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}
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void gen_prologue(GEN_variant gen_variant) {
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const char *suffix;
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switch(gen_variant) {
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case GEN_OFFSET: suffix = ".h"; break;
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case GEN_INDEX: suffix = "Index.h"; break;
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case GEN_TABLE: suffix = ".cpp"; break;
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}
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printf("/*\n");
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printf(" * JvmOffsets%s !!!DO NOT EDIT!!! \n", suffix);
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printf(" * The generateJvmOffsets program generates this file!\n");
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printf(" */\n\n");
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switch(gen_variant) {
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case GEN_OFFSET:
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case GEN_INDEX:
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break;
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case GEN_TABLE:
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printf("#include \"JvmOffsets.h\"\n");
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printf("\n");
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printf("int __JvmOffsets[] = {\n");
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break;
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}
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}
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void gen_epilogue(GEN_variant gen_variant) {
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if (gen_variant != GEN_TABLE) {
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return;
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}
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printf("};\n\n");
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return;
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}
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int generateJvmOffsets(GEN_variant gen_variant) {
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int index = 0; /* It is used to generate JvmOffsetsIndex.h */
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int pointer_size = sizeof(void *);
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int data_model = (pointer_size == 4) ? PR_MODEL_ILP32 : PR_MODEL_LP64;
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gen_prologue(gen_variant);
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GEN_VALUE(DATA_MODEL, data_model);
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GEN_VALUE(POINTER_SIZE, pointer_size);
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#if defined(TIERED)
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GEN_VALUE(COMPILER, 3);
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#elif COMPILER1
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GEN_VALUE(COMPILER, 1);
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#elif COMPILER2
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GEN_VALUE(COMPILER, 2);
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#else
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GEN_VALUE(COMPILER, 0);
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#endif // COMPILER1 && COMPILER2
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printf("\n");
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GEN_OFFS(CollectedHeap, _reserved);
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GEN_OFFS(MemRegion, _start);
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GEN_OFFS(MemRegion, _word_size);
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GEN_SIZE(HeapWord);
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printf("\n");
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GEN_OFFS(VMStructEntry, typeName);
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GEN_OFFS(VMStructEntry, fieldName);
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GEN_OFFS(VMStructEntry, address);
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GEN_SIZE(VMStructEntry);
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printf("\n");
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GEN_VALUE(MAX_METHOD_CODE_SIZE, max_method_code_size);
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#if defined(sparc) || defined(__sparc)
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GEN_VALUE(OFFSET_interpreter_frame_method, 2 * pointer_size); /* L2 in saved window */
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GEN_VALUE(OFFSET_interpreter_frame_sender_sp, 13 * pointer_size); /* I5 in saved window */
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// Fake value for consistency. It is not going to be used.
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GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, 0xFFFF);
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#elif defined(i386) || defined(__i386) || defined(__amd64)
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GEN_VALUE(OFFSET_interpreter_frame_sender_sp, -1 * pointer_size);
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GEN_VALUE(OFFSET_interpreter_frame_method, -3 * pointer_size);
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GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, -7 * pointer_size);
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#endif
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GEN_OFFS(Klass, _name);
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GEN_OFFS(constantPoolOopDesc, _pool_holder);
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printf("\n");
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GEN_VALUE(OFFSET_HeapBlockHeader_used, offset_of(HeapBlock::Header, _used));
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GEN_OFFS(oopDesc, _klass);
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printf("\n");
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GEN_VALUE(AccessFlags_NATIVE, JVM_ACC_NATIVE);
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GEN_VALUE(constMethodOopDesc_has_linenumber_table, constMethodOopDesc::_has_linenumber_table);
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GEN_OFFS(AccessFlags, _flags);
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GEN_OFFS(symbolOopDesc, _length);
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GEN_OFFS(symbolOopDesc, _body);
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printf("\n");
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GEN_OFFS(methodOopDesc, _constMethod);
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GEN_OFFS(methodOopDesc, _constants);
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GEN_OFFS(methodOopDesc, _access_flags);
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printf("\n");
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GEN_OFFS(constMethodOopDesc, _flags);
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GEN_OFFS(constMethodOopDesc, _code_size);
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GEN_OFFS(constMethodOopDesc, _name_index);
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GEN_OFFS(constMethodOopDesc, _signature_index);
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printf("\n");
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GEN_OFFS(CodeHeap, _memory);
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GEN_OFFS(CodeHeap, _segmap);
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GEN_OFFS(CodeHeap, _log2_segment_size);
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printf("\n");
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GEN_OFFS(VirtualSpace, _low_boundary);
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GEN_OFFS(VirtualSpace, _high_boundary);
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GEN_OFFS(VirtualSpace, _low);
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GEN_OFFS(VirtualSpace, _high);
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printf("\n");
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GEN_OFFS(CodeBlob, _name);
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GEN_OFFS(CodeBlob, _header_size);
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GEN_OFFS(CodeBlob, _instructions_offset);
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GEN_OFFS(CodeBlob, _data_offset);
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GEN_OFFS(CodeBlob, _oops_offset);
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GEN_OFFS(CodeBlob, _oops_length);
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GEN_OFFS(CodeBlob, _frame_size);
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printf("\n");
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GEN_OFFS(nmethod, _method);
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GEN_OFFS(nmethod, _scopes_data_offset);
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GEN_OFFS(nmethod, _scopes_pcs_offset);
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GEN_OFFS(nmethod, _handler_table_offset);
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GEN_OFFS(nmethod, _deoptimize_offset);
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GEN_OFFS(nmethod, _orig_pc_offset);
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GEN_OFFS(PcDesc, _pc_offset);
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GEN_OFFS(PcDesc, _scope_decode_offset);
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printf("\n");
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GEN_VALUE(SIZE_HeapBlockHeader, sizeof(HeapBlock::Header));
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GEN_SIZE(oopDesc);
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GEN_SIZE(constantPoolOopDesc);
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printf("\n");
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GEN_SIZE(PcDesc);
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GEN_SIZE(methodOopDesc);
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GEN_SIZE(constMethodOopDesc);
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GEN_SIZE(nmethod);
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GEN_SIZE(CodeBlob);
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GEN_SIZE(BufferBlob);
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GEN_SIZE(SingletonBlob);
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GEN_SIZE(RuntimeStub);
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GEN_SIZE(SafepointBlob);
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gen_epilogue(gen_variant);
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printf("\n");
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fflush(stdout);
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return 0;
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}
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