1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/os/bsd/dtrace/generateJvmOffsets.cpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,294 @@
1.4 +/*
1.5 + * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +/*
1.29 + * This is to provide sanity check in jhelper.d which compares SCCS
1.30 + * versions of generateJvmOffsets.cpp used to create and extract
1.31 + * contents of __JvmOffsets[] table.
1.32 + * The __JvmOffsets[] table is located in generated JvmOffsets.cpp.
1.33 + *
1.34 + * GENOFFS_SCCS_VER 34
1.35 + */
1.36 +
1.37 +#include "generateJvmOffsets.h"
1.38 +
1.39 +/* A workaround for private and protected fields */
1.40 +#define private public
1.41 +#define protected public
1.42 +
1.43 +// not on macosx #include <proc_service.h>
1.44 +#include "code/codeBlob.hpp"
1.45 +#include "code/nmethod.hpp"
1.46 +#include "code/pcDesc.hpp"
1.47 +#include "gc_interface/collectedHeap.hpp"
1.48 +#include "memory/heap.hpp"
1.49 +#include "memory/memRegion.hpp"
1.50 +#include "memory/universe.hpp"
1.51 +#include "oops/constMethod.hpp"
1.52 +#include "oops/klass.hpp"
1.53 +#include "oops/method.hpp"
1.54 +#include "oops/oop.hpp"
1.55 +#include "oops/symbol.hpp"
1.56 +#include "runtime/virtualspace.hpp"
1.57 +#include "runtime/vmStructs.hpp"
1.58 +#include "utilities/accessFlags.hpp"
1.59 +#include "utilities/globalDefinitions.hpp"
1.60 +
1.61 +// These are defined somewhere for Solaris
1.62 +#define PR_MODEL_ILP32 1
1.63 +#define PR_MODEL_LP64 2
1.64 +
1.65 +#ifdef COMPILER1
1.66 +#ifdef ASSERT
1.67 +
1.68 +/*
1.69 + * To avoid the most part of potential link errors
1.70 + * we link this program with -z nodefs .
1.71 + *
1.72 + * But for 'debug1' and 'fastdebug1' we still have to provide
1.73 + * a particular workaround for the following symbols bellow.
1.74 + * It will be good to find out a generic way in the future.
1.75 + */
1.76 +
1.77 +#pragma weak tty
1.78 +#pragma weak CMSExpAvgFactor
1.79 +
1.80 +#if defined(i386) || defined(__i386) || defined(__amd64)
1.81 +#pragma weak noreg
1.82 +#endif /* i386 */
1.83 +
1.84 +LIR_Opr LIR_OprFact::illegalOpr = (LIR_Opr) 0;
1.85 +
1.86 +address StubRoutines::_call_stub_return_address = NULL;
1.87 +
1.88 +StubQueue* AbstractInterpreter::_code = NULL;
1.89 +
1.90 +#endif /* ASSERT */
1.91 +#endif /* COMPILER1 */
1.92 +
1.93 +#define GEN_OFFS(Type,Name) \
1.94 + switch(gen_variant) { \
1.95 + case GEN_OFFSET: \
1.96 + printf("#define OFFSET_%-33s %ld\n", \
1.97 + #Type #Name, offset_of(Type, Name)); \
1.98 + break; \
1.99 + case GEN_INDEX: \
1.100 + printf("#define IDX_OFFSET_%-33s %d\n", \
1.101 + #Type #Name, index++); \
1.102 + break; \
1.103 + case GEN_TABLE: \
1.104 + printf("\tOFFSET_%s,\n", #Type #Name); \
1.105 + break; \
1.106 + }
1.107 +
1.108 +#define GEN_SIZE(Type) \
1.109 + switch(gen_variant) { \
1.110 + case GEN_OFFSET: \
1.111 + printf("#define SIZE_%-35s %ld\n", \
1.112 + #Type, sizeof(Type)); \
1.113 + break; \
1.114 + case GEN_INDEX: \
1.115 + printf("#define IDX_SIZE_%-35s %d\n", \
1.116 + #Type, index++); \
1.117 + break; \
1.118 + case GEN_TABLE: \
1.119 + printf("\tSIZE_%s,\n", #Type); \
1.120 + break; \
1.121 + }
1.122 +
1.123 +#define GEN_VALUE(String,Value) \
1.124 + switch(gen_variant) { \
1.125 + case GEN_OFFSET: \
1.126 + printf("#define %-40s %d\n", #String, Value); \
1.127 + break; \
1.128 + case GEN_INDEX: \
1.129 + printf("#define IDX_%-40s %d\n", #String, index++); \
1.130 + break; \
1.131 + case GEN_TABLE: \
1.132 + printf("\t" #String ",\n"); \
1.133 + break; \
1.134 + }
1.135 +
1.136 +void gen_prologue(GEN_variant gen_variant) {
1.137 + const char *suffix;
1.138 +
1.139 + switch(gen_variant) {
1.140 + case GEN_OFFSET: suffix = ".h"; break;
1.141 + case GEN_INDEX: suffix = "Index.h"; break;
1.142 + case GEN_TABLE: suffix = ".cpp"; break;
1.143 + }
1.144 +
1.145 + printf("/*\n");
1.146 + printf(" * JvmOffsets%s !!!DO NOT EDIT!!! \n", suffix);
1.147 + printf(" * The generateJvmOffsets program generates this file!\n");
1.148 + printf(" */\n\n");
1.149 + switch(gen_variant) {
1.150 +
1.151 + case GEN_OFFSET:
1.152 + case GEN_INDEX:
1.153 + break;
1.154 +
1.155 + case GEN_TABLE:
1.156 + printf("#include \"JvmOffsets.h\"\n");
1.157 + printf("\n");
1.158 + printf("int __JvmOffsets[] = {\n");
1.159 + break;
1.160 + }
1.161 +}
1.162 +
1.163 +void gen_epilogue(GEN_variant gen_variant) {
1.164 + if (gen_variant != GEN_TABLE) {
1.165 + return;
1.166 + }
1.167 + printf("};\n\n");
1.168 + return;
1.169 +}
1.170 +
1.171 +int generateJvmOffsets(GEN_variant gen_variant) {
1.172 + int index = 0; /* It is used to generate JvmOffsetsIndex.h */
1.173 + int pointer_size = sizeof(void *);
1.174 + int data_model = (pointer_size == 4) ? PR_MODEL_ILP32 : PR_MODEL_LP64;
1.175 +
1.176 + gen_prologue(gen_variant);
1.177 +
1.178 + GEN_VALUE(DATA_MODEL, data_model);
1.179 + GEN_VALUE(POINTER_SIZE, pointer_size);
1.180 +#if defined(TIERED)
1.181 + GEN_VALUE(COMPILER, 3);
1.182 +#elif COMPILER1
1.183 + GEN_VALUE(COMPILER, 1);
1.184 +#elif COMPILER2
1.185 + GEN_VALUE(COMPILER, 2);
1.186 +#else
1.187 + GEN_VALUE(COMPILER, 0);
1.188 +#endif // COMPILER1 && COMPILER2
1.189 + printf("\n");
1.190 +
1.191 + GEN_OFFS(CollectedHeap, _reserved);
1.192 + GEN_OFFS(MemRegion, _start);
1.193 + GEN_OFFS(MemRegion, _word_size);
1.194 + GEN_SIZE(HeapWord);
1.195 + printf("\n");
1.196 +
1.197 + GEN_OFFS(VMStructEntry, typeName);
1.198 + GEN_OFFS(VMStructEntry, fieldName);
1.199 + GEN_OFFS(VMStructEntry, address);
1.200 + GEN_SIZE(VMStructEntry);
1.201 + printf("\n");
1.202 +
1.203 + GEN_VALUE(MAX_METHOD_CODE_SIZE, max_method_code_size);
1.204 +#if defined(sparc) || defined(__sparc)
1.205 + GEN_VALUE(OFFSET_interpreter_frame_method, 2 * pointer_size); /* L2 in saved window */
1.206 + GEN_VALUE(OFFSET_interpreter_frame_sender_sp, 13 * pointer_size); /* I5 in saved window */
1.207 + // Fake value for consistency. It is not going to be used.
1.208 + GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, 0xFFFF);
1.209 +#elif defined(i386) || defined(__i386) || defined(__amd64)
1.210 + GEN_VALUE(OFFSET_interpreter_frame_sender_sp, -1 * pointer_size);
1.211 + GEN_VALUE(OFFSET_interpreter_frame_method, -3 * pointer_size);
1.212 + GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, -7 * pointer_size);
1.213 +#endif
1.214 +
1.215 + GEN_OFFS(Klass, _name);
1.216 + GEN_OFFS(ConstantPool, _pool_holder);
1.217 + printf("\n");
1.218 +
1.219 + GEN_VALUE(OFFSET_HeapBlockHeader_used, (int) offset_of(HeapBlock::Header, _used));
1.220 + GEN_OFFS(oopDesc, _metadata);
1.221 + printf("\n");
1.222 +
1.223 + GEN_VALUE(AccessFlags_NATIVE, JVM_ACC_NATIVE);
1.224 + GEN_VALUE(ConstMethod_has_linenumber_table, ConstMethod::_has_linenumber_table);
1.225 + GEN_OFFS(AccessFlags, _flags);
1.226 + GEN_OFFS(Symbol, _length);
1.227 + GEN_OFFS(Symbol, _body);
1.228 + printf("\n");
1.229 +
1.230 + GEN_OFFS(Method, _constMethod);
1.231 + GEN_OFFS(Method, _constants);
1.232 + GEN_OFFS(Method, _access_flags);
1.233 + printf("\n");
1.234 +
1.235 + GEN_OFFS(ConstMethod, _flags);
1.236 + GEN_OFFS(ConstMethod, _code_size);
1.237 + GEN_OFFS(ConstMethod, _name_index);
1.238 + GEN_OFFS(ConstMethod, _signature_index);
1.239 + printf("\n");
1.240 +
1.241 + GEN_OFFS(CodeHeap, _memory);
1.242 + GEN_OFFS(CodeHeap, _segmap);
1.243 + GEN_OFFS(CodeHeap, _log2_segment_size);
1.244 + printf("\n");
1.245 +
1.246 + GEN_OFFS(VirtualSpace, _low_boundary);
1.247 + GEN_OFFS(VirtualSpace, _high_boundary);
1.248 + GEN_OFFS(VirtualSpace, _low);
1.249 + GEN_OFFS(VirtualSpace, _high);
1.250 + printf("\n");
1.251 +
1.252 + GEN_OFFS(CodeBlob, _name);
1.253 + GEN_OFFS(CodeBlob, _header_size);
1.254 + GEN_OFFS(CodeBlob, _content_offset);
1.255 + GEN_OFFS(CodeBlob, _code_offset);
1.256 + GEN_OFFS(CodeBlob, _data_offset);
1.257 + GEN_OFFS(CodeBlob, _frame_size);
1.258 + printf("\n");
1.259 +
1.260 + GEN_OFFS(nmethod, _method);
1.261 + GEN_OFFS(nmethod, _oops_offset);
1.262 + GEN_OFFS(nmethod, _scopes_data_offset);
1.263 + GEN_OFFS(nmethod, _scopes_pcs_offset);
1.264 + GEN_OFFS(nmethod, _handler_table_offset);
1.265 + GEN_OFFS(nmethod, _deoptimize_offset);
1.266 + GEN_OFFS(nmethod, _orig_pc_offset);
1.267 +
1.268 + GEN_OFFS(PcDesc, _pc_offset);
1.269 + GEN_OFFS(PcDesc, _scope_decode_offset);
1.270 +
1.271 + printf("\n");
1.272 +
1.273 + GEN_OFFS(NarrowPtrStruct, _base);
1.274 + GEN_OFFS(NarrowPtrStruct, _shift);
1.275 + printf("\n");
1.276 +
1.277 + GEN_VALUE(SIZE_HeapBlockHeader, (int) sizeof(HeapBlock::Header));
1.278 + GEN_SIZE(oopDesc);
1.279 + GEN_SIZE(ConstantPool);
1.280 + printf("\n");
1.281 +
1.282 + GEN_SIZE(PcDesc);
1.283 + GEN_SIZE(Method);
1.284 + GEN_SIZE(ConstMethod);
1.285 + GEN_SIZE(nmethod);
1.286 + GEN_SIZE(CodeBlob);
1.287 + GEN_SIZE(BufferBlob);
1.288 + GEN_SIZE(SingletonBlob);
1.289 + GEN_SIZE(RuntimeStub);
1.290 + GEN_SIZE(SafepointBlob);
1.291 +
1.292 + gen_epilogue(gen_variant);
1.293 + printf("\n");
1.294 +
1.295 + fflush(stdout);
1.296 + return 0;
1.297 +}
