1 /*
2 * Copyright 2003-2009 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 /*
26 * This is to provide sanity check in jhelper.d which compares SCCS
27 * versions of generateJvmOffsets.cpp used to create and extract
28 * contents of __JvmOffsets[] table.
29 * The __JvmOffsets[] table is located in generated JvmOffsets.cpp.
30 *
31 * GENOFFS_SCCS_VER 34
32 */
33
34 #include "generateJvmOffsets.h"
35
36 /* A workaround for private and protected fields */
37 #define private public
38 #define protected public
39
40 #include <proc_service.h>
41 #include "incls/_precompiled.incl"
42 #include "incls/_vmStructs.cpp.incl"
43
44 #ifdef COMPILER1
45 #if defined(DEBUG) || defined(FASTDEBUG)
46
47 /*
48 * To avoid the most part of potential link errors
49 * we link this program with -z nodefs .
50 *
51 * But for 'debug1' and 'fastdebug1' we still have to provide
52 * a particular workaround for the following symbols bellow.
53 * It will be good to find out a generic way in the future.
54 */
55
56 #pragma weak tty
57 #pragma weak CMSExpAvgFactor
58
59 #if defined(i386) || defined(__i386) || defined(__amd64)
60 #pragma weak noreg
61 #endif /* i386 */
62
63 LIR_Opr LIR_OprFact::illegalOpr = (LIR_Opr) 0;
64
65 address StubRoutines::_call_stub_return_address = NULL;
66
67 StubQueue* AbstractInterpreter::_code = NULL;
68
69 #endif /* defined(DEBUG) || defined(FASTDEBUG) */
70 #endif /* COMPILER1 */
71
72 #define GEN_OFFS(Type,Name) \
73 switch(gen_variant) { \
74 case GEN_OFFSET: \
75 printf("#define OFFSET_%-33s %d\n", \
76 #Type #Name, offset_of(Type, Name)); \
77 break; \
78 case GEN_INDEX: \
79 printf("#define IDX_OFFSET_%-33s %d\n", \
80 #Type #Name, index++); \
81 break; \
82 case GEN_TABLE: \
83 printf("\tOFFSET_%s,\n", #Type #Name); \
84 break; \
85 }
86
87 #define GEN_SIZE(Type) \
88 switch(gen_variant) { \
89 case GEN_OFFSET: \
90 printf("#define SIZE_%-35s %d\n", \
91 #Type, sizeof(Type)); \
92 break; \
93 case GEN_INDEX: \
94 printf("#define IDX_SIZE_%-35s %d\n", \
95 #Type, index++); \
96 break; \
97 case GEN_TABLE: \
98 printf("\tSIZE_%s,\n", #Type); \
99 break; \
100 }
101
102 #define GEN_VALUE(String,Value) \
103 switch(gen_variant) { \
104 case GEN_OFFSET: \
105 printf("#define %-40s %d\n", #String, Value); \
106 break; \
107 case GEN_INDEX: \
108 printf("#define IDX_%-40s %d\n", #String, index++); \
109 break; \
110 case GEN_TABLE: \
111 printf("\t" #String ",\n"); \
112 break; \
113 }
114
115 void gen_prologue(GEN_variant gen_variant) {
116 const char *suffix;
117
118 switch(gen_variant) {
119 case GEN_OFFSET: suffix = ".h"; break;
120 case GEN_INDEX: suffix = "Index.h"; break;
121 case GEN_TABLE: suffix = ".cpp"; break;
122 }
123
124 printf("/*\n");
125 printf(" * JvmOffsets%s !!!DO NOT EDIT!!! \n", suffix);
126 printf(" * The generateJvmOffsets program generates this file!\n");
127 printf(" */\n\n");
128 switch(gen_variant) {
129
130 case GEN_OFFSET:
131 case GEN_INDEX:
132 break;
133
134 case GEN_TABLE:
135 printf("#include \"JvmOffsets.h\"\n");
136 printf("\n");
137 printf("int __JvmOffsets[] = {\n");
138 break;
139 }
140 }
141
142 void gen_epilogue(GEN_variant gen_variant) {
143 if (gen_variant != GEN_TABLE) {
144 return;
145 }
146 printf("};\n\n");
147 return;
148 }
149
150 int generateJvmOffsets(GEN_variant gen_variant) {
151 int index = 0; /* It is used to generate JvmOffsetsIndex.h */
152 int pointer_size = sizeof(void *);
153 int data_model = (pointer_size == 4) ? PR_MODEL_ILP32 : PR_MODEL_LP64;
154
155 gen_prologue(gen_variant);
156
157 GEN_VALUE(DATA_MODEL, data_model);
158 GEN_VALUE(POINTER_SIZE, pointer_size);
159 #if defined(TIERED)
160 GEN_VALUE(COMPILER, 3);
161 #elif COMPILER1
162 GEN_VALUE(COMPILER, 1);
163 #elif COMPILER2
164 GEN_VALUE(COMPILER, 2);
165 #else
166 GEN_VALUE(COMPILER, 0);
167 #endif // COMPILER1 && COMPILER2
168 printf("\n");
169
170 GEN_OFFS(CollectedHeap, _reserved);
171 GEN_OFFS(MemRegion, _start);
172 GEN_OFFS(MemRegion, _word_size);
173 GEN_SIZE(HeapWord);
174 printf("\n");
175
176 GEN_OFFS(VMStructEntry, typeName);
177 GEN_OFFS(VMStructEntry, fieldName);
178 GEN_OFFS(VMStructEntry, address);
179 GEN_SIZE(VMStructEntry);
180 printf("\n");
181
182 GEN_VALUE(MAX_METHOD_CODE_SIZE, max_method_code_size);
183 #if defined(sparc) || defined(__sparc)
184 GEN_VALUE(OFFSET_interpreter_frame_method, 2 * pointer_size); /* L2 in saved window */
185 GEN_VALUE(OFFSET_interpreter_frame_sender_sp, 13 * pointer_size); /* I5 in saved window */
186 // Fake value for consistency. It is not going to be used.
187 GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, 0xFFFF);
188 #elif defined(i386) || defined(__i386) || defined(__amd64)
189 GEN_VALUE(OFFSET_interpreter_frame_sender_sp, -1 * pointer_size);
190 GEN_VALUE(OFFSET_interpreter_frame_method, -3 * pointer_size);
191 GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, -7 * pointer_size);
192 #endif
193
194 GEN_OFFS(Klass, _name);
195 GEN_OFFS(constantPoolOopDesc, _pool_holder);
196 printf("\n");
197
198 GEN_VALUE(OFFSET_HeapBlockHeader_used, offset_of(HeapBlock::Header, _used));
199 GEN_OFFS(oopDesc, _metadata);
200 printf("\n");
201
202 GEN_VALUE(AccessFlags_NATIVE, JVM_ACC_NATIVE);
203 GEN_VALUE(constMethodOopDesc_has_linenumber_table, constMethodOopDesc::_has_linenumber_table);
204 GEN_OFFS(AccessFlags, _flags);
205 GEN_OFFS(symbolOopDesc, _length);
206 GEN_OFFS(symbolOopDesc, _body);
207 printf("\n");
208
209 GEN_OFFS(methodOopDesc, _constMethod);
210 GEN_OFFS(methodOopDesc, _constants);
211 GEN_OFFS(methodOopDesc, _access_flags);
212 printf("\n");
213
214 GEN_OFFS(constMethodOopDesc, _flags);
215 GEN_OFFS(constMethodOopDesc, _code_size);
216 GEN_OFFS(constMethodOopDesc, _name_index);
217 GEN_OFFS(constMethodOopDesc, _signature_index);
218 printf("\n");
219
220 GEN_OFFS(CodeHeap, _memory);
221 GEN_OFFS(CodeHeap, _segmap);
222 GEN_OFFS(CodeHeap, _log2_segment_size);
223 printf("\n");
224
225 GEN_OFFS(VirtualSpace, _low_boundary);
226 GEN_OFFS(VirtualSpace, _high_boundary);
227 GEN_OFFS(VirtualSpace, _low);
228 GEN_OFFS(VirtualSpace, _high);
229 printf("\n");
230
231 GEN_OFFS(CodeBlob, _name);
232 GEN_OFFS(CodeBlob, _header_size);
233 GEN_OFFS(CodeBlob, _instructions_offset);
234 GEN_OFFS(CodeBlob, _data_offset);
235 GEN_OFFS(CodeBlob, _oops_offset);
236 GEN_OFFS(CodeBlob, _oops_length);
237 GEN_OFFS(CodeBlob, _frame_size);
238 printf("\n");
239
240 GEN_OFFS(nmethod, _method);
241 GEN_OFFS(nmethod, _scopes_data_offset);
242 GEN_OFFS(nmethod, _scopes_pcs_offset);
243 GEN_OFFS(nmethod, _handler_table_offset);
244 GEN_OFFS(nmethod, _deoptimize_offset);
245 GEN_OFFS(nmethod, _orig_pc_offset);
246
247 GEN_OFFS(PcDesc, _pc_offset);
248 GEN_OFFS(PcDesc, _scope_decode_offset);
249
250 printf("\n");
251
252 GEN_OFFS(NarrowOopStruct, _base);
253 GEN_OFFS(NarrowOopStruct, _shift);
254 printf("\n");
255
256 GEN_VALUE(SIZE_HeapBlockHeader, sizeof(HeapBlock::Header));
257 GEN_SIZE(oopDesc);
258 GEN_SIZE(constantPoolOopDesc);
259 printf("\n");
260
261 GEN_SIZE(PcDesc);
262 GEN_SIZE(methodOopDesc);
263 GEN_SIZE(constMethodOopDesc);
264 GEN_SIZE(nmethod);
265 GEN_SIZE(CodeBlob);
266 GEN_SIZE(BufferBlob);
267 GEN_SIZE(SingletonBlob);
268 GEN_SIZE(RuntimeStub);
269 GEN_SIZE(SafepointBlob);
270
271 gen_epilogue(gen_variant);
272 printf("\n");
273
274 fflush(stdout);
275 return 0;
276 }