| /* |
| * Copyright (c) 2003, 2016, 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/shared/collectedHeap.hpp" |
| #include "memory/heap.hpp" |
| #include "memory/memRegion.hpp" |
| #include "memory/universe.hpp" |
| #include "memory/virtualspace.hpp" |
| #include "oops/constMethod.hpp" |
| #include "oops/klass.hpp" |
| #include "oops/method.hpp" |
| #include "oops/oop.hpp" |
| #include "oops/symbol.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_NAME(Type,Name,OutputType) \ |
| switch(gen_variant) { \ |
| case GEN_OFFSET: \ |
| printf("#define OFFSET_%-33s %ld\n", \ |
| #OutputType #Name, offset_of(Type, Name)); \ |
| break; \ |
| case GEN_INDEX: \ |
| printf("#define IDX_OFFSET_%-33s %d\n", \ |
| #OutputType #Name, index++); \ |
| break; \ |
| case GEN_TABLE: \ |
| printf("\tOFFSET_%s,\n", #OutputType #Name); \ |
| break; \ |
| } |
| |
| #define GEN_OFFS(Type,Name) \ |
| GEN_OFFS_NAME(Type,Name,Type) |
| |
| #define GEN_SIZE(Type) \ |
| switch(gen_variant) { \ |
| case GEN_OFFSET: \ |
| printf("#define SIZE_%-35s %ld\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 = "Undefined-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_bcp_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_bcp_offset, -7 * pointer_size); |
| #endif |
| |
| GEN_OFFS(Klass, _name); |
| GEN_OFFS(ConstantPool, _pool_holder); |
| printf("\n"); |
| |
| GEN_VALUE(OFFSET_HeapBlockHeader_used, (int) 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"); |
| |
| /* We need to use different names here because of the template parameter */ |
| GEN_OFFS_NAME(GrowableArray<CodeHeap*>, _data, GrowableArray_CodeHeap); |
| GEN_OFFS_NAME(GrowableArray<CodeHeap*>, _len, GrowableArray_CodeHeap); |
| printf("\n"); |
| |
| GEN_OFFS(CodeBlob, _name); |
| GEN_OFFS(CodeBlob, _header_size); |
| GEN_OFFS(CodeBlob, _content_begin); |
| GEN_OFFS(CodeBlob, _code_begin); |
| GEN_OFFS(CodeBlob, _code_end); |
| GEN_OFFS(CodeBlob, _data_offset); |
| GEN_OFFS(CodeBlob, _frame_size); |
| printf("\n"); |
| |
| GEN_OFFS(nmethod, _method); |
| GEN_OFFS(nmethod, _dependencies_offset); |
| GEN_OFFS(nmethod, _metadata_offset); |
| GEN_OFFS(nmethod, _scopes_data_begin); |
| GEN_OFFS(nmethod, _scopes_pcs_offset); |
| GEN_OFFS(nmethod, _handler_table_offset); |
| GEN_OFFS(nmethod, _deopt_handler_begin); |
| 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, (int) 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; |
| } |