Mercurial > hg > truffle
annotate src/os/bsd/dtrace/jhelper.d @ 8126:22bbd34705ed
Unit tests for register allocator.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Wed, 06 Mar 2013 13:24:11 +0100 |
parents | 8e47bac5643a |
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rev | line source |
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4006 | 1 /* |
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
4006 | 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 /* This file is auto-generated */ | |
26 #include "JvmOffsetsIndex.h" | |
27 | |
28 #define DEBUG | |
29 | |
30 #ifdef DEBUG | |
31 #define MARK_LINE this->line = __LINE__ | |
32 #else | |
33 #define MARK_LINE | |
34 #endif | |
35 | |
36 #ifdef _LP64 | |
37 #define STACK_BIAS 0x7ff | |
38 #define pointer uint64_t | |
39 #else | |
40 #define STACK_BIAS 0 | |
41 #define pointer uint32_t | |
42 #endif | |
43 | |
44 extern pointer __JvmOffsets; | |
45 | |
46 extern pointer __1cJCodeCacheF_heap_; | |
47 extern pointer __1cIUniverseO_collectedHeap_; | |
48 | |
49 extern pointer __1cHnmethodG__vtbl_; | |
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50 extern pointer __1cNMethodG__vtbl_; |
4006 | 51 extern pointer __1cKBufferBlobG__vtbl_; |
52 | |
53 #define copyin_ptr(ADDR) *(pointer*) copyin((pointer) (ADDR), sizeof(pointer)) | |
54 #define copyin_uchar(ADDR) *(uchar_t*) copyin((pointer) (ADDR), sizeof(uchar_t)) | |
55 #define copyin_uint16(ADDR) *(uint16_t*) copyin((pointer) (ADDR), sizeof(uint16_t)) | |
56 #define copyin_uint32(ADDR) *(uint32_t*) copyin((pointer) (ADDR), sizeof(uint32_t)) | |
57 #define copyin_int32(ADDR) *(int32_t*) copyin((pointer) (ADDR), sizeof(int32_t)) | |
58 #define copyin_uint8(ADDR) *(uint8_t*) copyin((pointer) (ADDR), sizeof(uint8_t)) | |
59 | |
60 #define SAME(x) x | |
61 #define copyin_offset(JVM_CONST) JVM_CONST = \ | |
62 copyin_int32(JvmOffsetsPtr + SAME(IDX_)JVM_CONST * sizeof(int32_t)) | |
63 | |
64 int init_done; | |
65 | |
66 dtrace:helper:ustack: | |
67 { | |
68 MARK_LINE; | |
69 this->done = 0; | |
70 /* | |
71 * TBD: | |
72 * Here we initialize init_done, otherwise jhelper does not work. | |
73 * Therefore, copyin_offset() statements work multiple times now. | |
74 * There is a hope we could avoid it in the future, and so, | |
75 * this initialization can be removed. | |
76 */ | |
77 init_done = 0; | |
78 this->error = (char *) NULL; | |
79 this->result = (char *) NULL; | |
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80 this->isMethod = 0; |
4006 | 81 this->codecache = 0; |
82 this->klass = (pointer) NULL; | |
83 this->vtbl = (pointer) NULL; | |
84 this->suffix = '\0'; | |
85 } | |
86 | |
87 dtrace:helper:ustack: | |
88 { | |
89 MARK_LINE; | |
90 /* Initialization of JvmOffsets constants */ | |
91 JvmOffsetsPtr = (pointer) &``__JvmOffsets; | |
92 } | |
93 | |
94 dtrace:helper:ustack: | |
95 /!init_done && !this->done/ | |
96 { | |
97 MARK_LINE; | |
98 init_done = 1; | |
99 | |
100 copyin_offset(COMPILER); | |
101 copyin_offset(OFFSET_CollectedHeap_reserved); | |
102 copyin_offset(OFFSET_MemRegion_start); | |
103 copyin_offset(OFFSET_MemRegion_word_size); | |
104 copyin_offset(SIZE_HeapWord); | |
105 | |
106 copyin_offset(OFFSET_interpreter_frame_method); | |
107 copyin_offset(OFFSET_Klass_name); | |
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108 copyin_offset(OFFSET_ConstantPool_pool_holder); |
4006 | 109 |
110 copyin_offset(OFFSET_HeapBlockHeader_used); | |
111 copyin_offset(OFFSET_oopDesc_metadata); | |
112 | |
113 copyin_offset(OFFSET_Symbol_length); | |
114 copyin_offset(OFFSET_Symbol_body); | |
115 | |
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116 copyin_offset(OFFSET_Method_constMethod); |
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117 copyin_offset(OFFSET_ConstMethod_constants); |
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118 copyin_offset(OFFSET_ConstMethod_name_index); |
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119 copyin_offset(OFFSET_ConstMethod_signature_index); |
4006 | 120 |
121 copyin_offset(OFFSET_CodeHeap_memory); | |
122 copyin_offset(OFFSET_CodeHeap_segmap); | |
123 copyin_offset(OFFSET_CodeHeap_log2_segment_size); | |
124 | |
125 copyin_offset(OFFSET_VirtualSpace_low); | |
126 copyin_offset(OFFSET_VirtualSpace_high); | |
127 | |
128 copyin_offset(OFFSET_CodeBlob_name); | |
129 | |
130 copyin_offset(OFFSET_nmethod_method); | |
131 copyin_offset(SIZE_HeapBlockHeader); | |
132 copyin_offset(SIZE_oopDesc); | |
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133 copyin_offset(SIZE_ConstantPool); |
4006 | 134 |
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135 copyin_offset(OFFSET_NarrowPtrStruct_base); |
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136 copyin_offset(OFFSET_NarrowPtrStruct_shift); |
4006 | 137 |
138 /* | |
139 * The PC to translate is in arg0. | |
140 */ | |
141 this->pc = arg0; | |
142 | |
143 /* | |
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144 * The methodPtr is in %l2 on SPARC. This can be found at |
4006 | 145 * offset 8 from the frame pointer on 32-bit processes. |
146 */ | |
147 #if defined(__sparc) | |
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148 this->methodPtr = copyin_ptr(arg1 + 2 * sizeof(pointer) + STACK_BIAS); |
4006 | 149 #elif defined(__i386) || defined(__amd64) |
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150 this->methodPtr = copyin_ptr(arg1 + OFFSET_interpreter_frame_method); |
4006 | 151 #else |
152 #error "Don't know architecture" | |
153 #endif | |
154 | |
155 this->CodeCache_heap_address = copyin_ptr(&``__1cJCodeCacheF_heap_); | |
156 | |
157 /* Reading volatile values */ | |
158 this->CodeCache_low = copyin_ptr(this->CodeCache_heap_address + | |
159 OFFSET_CodeHeap_memory + OFFSET_VirtualSpace_low); | |
160 | |
161 this->CodeCache_high = copyin_ptr(this->CodeCache_heap_address + | |
162 OFFSET_CodeHeap_memory + OFFSET_VirtualSpace_high); | |
163 | |
164 this->CodeCache_segmap_low = copyin_ptr(this->CodeCache_heap_address + | |
165 OFFSET_CodeHeap_segmap + OFFSET_VirtualSpace_low); | |
166 | |
167 this->CodeCache_segmap_high = copyin_ptr(this->CodeCache_heap_address + | |
168 OFFSET_CodeHeap_segmap + OFFSET_VirtualSpace_high); | |
169 | |
170 this->CodeHeap_log2_segment_size = copyin_uint32( | |
171 this->CodeCache_heap_address + OFFSET_CodeHeap_log2_segment_size); | |
172 | |
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173 this->Method_vtbl = (pointer) &``__1cNMethodG__vtbl_; |
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174 |
4006 | 175 /* |
176 * Get Java heap bounds | |
177 */ | |
178 this->Universe_collectedHeap = copyin_ptr(&``__1cIUniverseO_collectedHeap_); | |
179 this->heap_start = copyin_ptr(this->Universe_collectedHeap + | |
180 OFFSET_CollectedHeap_reserved + | |
181 OFFSET_MemRegion_start); | |
182 this->heap_size = SIZE_HeapWord * | |
183 copyin_ptr(this->Universe_collectedHeap + | |
184 OFFSET_CollectedHeap_reserved + | |
185 OFFSET_MemRegion_word_size | |
186 ); | |
187 this->heap_end = this->heap_start + this->heap_size; | |
188 } | |
189 | |
190 dtrace:helper:ustack: | |
191 /!this->done && | |
192 this->CodeCache_low <= this->pc && this->pc < this->CodeCache_high/ | |
193 { | |
194 MARK_LINE; | |
195 this->codecache = 1; | |
196 | |
197 /* | |
198 * Find start. | |
199 */ | |
200 this->segment = (this->pc - this->CodeCache_low) >> | |
201 this->CodeHeap_log2_segment_size; | |
202 this->block = this->CodeCache_segmap_low; | |
203 this->tag = copyin_uchar(this->block + this->segment); | |
204 "second"; | |
205 } | |
206 | |
207 dtrace:helper:ustack: | |
208 /!this->done && this->codecache && this->tag > 0/ | |
209 { | |
210 MARK_LINE; | |
211 this->tag = copyin_uchar(this->block + this->segment); | |
212 this->segment = this->segment - this->tag; | |
213 } | |
214 | |
215 dtrace:helper:ustack: | |
216 /!this->done && this->codecache && this->tag > 0/ | |
217 { | |
218 MARK_LINE; | |
219 this->tag = copyin_uchar(this->block + this->segment); | |
220 this->segment = this->segment - this->tag; | |
221 } | |
222 | |
223 dtrace:helper:ustack: | |
224 /!this->done && this->codecache && this->tag > 0/ | |
225 { | |
226 MARK_LINE; | |
227 this->tag = copyin_uchar(this->block + this->segment); | |
228 this->segment = this->segment - this->tag; | |
229 } | |
230 | |
231 dtrace:helper:ustack: | |
232 /!this->done && this->codecache && this->tag > 0/ | |
233 { | |
234 MARK_LINE; | |
235 this->tag = copyin_uchar(this->block + this->segment); | |
236 this->segment = this->segment - this->tag; | |
237 } | |
238 | |
239 dtrace:helper:ustack: | |
240 /!this->done && this->codecache && this->tag > 0/ | |
241 { | |
242 MARK_LINE; | |
243 this->tag = copyin_uchar(this->block + this->segment); | |
244 this->segment = this->segment - this->tag; | |
245 } | |
246 | |
247 dtrace:helper:ustack: | |
248 /!this->done && this->codecache && this->tag > 0/ | |
249 { | |
250 MARK_LINE; | |
251 this->error = "<couldn't find start>"; | |
252 this->done = 1; | |
253 } | |
254 | |
255 dtrace:helper:ustack: | |
256 /!this->done && this->codecache/ | |
257 { | |
258 MARK_LINE; | |
259 this->block = this->CodeCache_low + | |
260 (this->segment << this->CodeHeap_log2_segment_size); | |
261 this->used = copyin_uint32(this->block + OFFSET_HeapBlockHeader_used); | |
262 } | |
263 | |
264 dtrace:helper:ustack: | |
265 /!this->done && this->codecache && !this->used/ | |
266 { | |
267 MARK_LINE; | |
268 this->error = "<block not in use>"; | |
269 this->done = 1; | |
270 } | |
271 | |
272 dtrace:helper:ustack: | |
273 /!this->done && this->codecache/ | |
274 { | |
275 MARK_LINE; | |
276 this->start = this->block + SIZE_HeapBlockHeader; | |
277 this->vtbl = copyin_ptr(this->start); | |
278 | |
279 this->nmethod_vtbl = (pointer) &``__1cHnmethodG__vtbl_; | |
280 this->BufferBlob_vtbl = (pointer) &``__1cKBufferBlobG__vtbl_; | |
281 } | |
282 | |
283 dtrace:helper:ustack: | |
284 /!this->done && this->vtbl == this->nmethod_vtbl/ | |
285 { | |
286 MARK_LINE; | |
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287 this->methodPtr = copyin_ptr(this->start + OFFSET_nmethod_method); |
4006 | 288 this->suffix = '*'; |
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289 this->isMethod = 1; |
4006 | 290 } |
291 | |
292 dtrace:helper:ustack: | |
293 /!this->done && this->vtbl == this->BufferBlob_vtbl/ | |
294 { | |
295 MARK_LINE; | |
296 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
297 } | |
298 | |
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299 |
4006 | 300 dtrace:helper:ustack: |
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301 /!this->done && this->vtbl == this->BufferBlob_vtbl && this->methodPtr != 0/ |
4006 | 302 { |
303 MARK_LINE; | |
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304 this->klass = copyin_ptr(this->methodPtr); |
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305 this->isMethod = this->klass == this->Method_vtbl; |
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306 this->done = !this->isMethod; |
4006 | 307 } |
308 | |
309 dtrace:helper:ustack: | |
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310 /!this->done && !this->isMethod/ |
4006 | 311 { |
312 MARK_LINE; | |
313 this->name = copyin_ptr(this->start + OFFSET_CodeBlob_name); | |
314 this->result = this->name != 0 ? copyinstr(this->name) : "<CodeBlob>"; | |
315 this->done = 1; | |
316 } | |
317 | |
318 dtrace:helper:ustack: | |
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319 /!this->done && this->isMethod/ |
4006 | 320 { |
321 MARK_LINE; | |
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322 this->constMethod = copyin_ptr(this->methodPtr + |
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323 OFFSET_Method_constMethod); |
4006 | 324 |
325 this->nameIndex = copyin_uint16(this->constMethod + | |
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326 OFFSET_ConstMethod_name_index); |
4006 | 327 |
328 this->signatureIndex = copyin_uint16(this->constMethod + | |
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329 OFFSET_ConstMethod_signature_index); |
4006 | 330 |
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331 this->constantPool = copyin_ptr(this->constMethod + |
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332 OFFSET_ConstMethod_constants); |
4006 | 333 |
334 this->nameSymbol = copyin_ptr(this->constantPool + | |
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335 this->nameIndex * sizeof (pointer) + SIZE_ConstantPool); |
4006 | 336 |
337 this->nameSymbolLength = copyin_uint16(this->nameSymbol + | |
338 OFFSET_Symbol_length); | |
339 | |
340 this->signatureSymbol = copyin_ptr(this->constantPool + | |
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341 this->signatureIndex * sizeof (pointer) + SIZE_ConstantPool); |
4006 | 342 |
343 this->signatureSymbolLength = copyin_uint16(this->signatureSymbol + | |
344 OFFSET_Symbol_length); | |
345 | |
346 this->klassPtr = copyin_ptr(this->constantPool + | |
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347 OFFSET_ConstantPool_pool_holder); |
4006 | 348 |
349 this->klassSymbol = copyin_ptr(this->klassPtr + | |
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350 OFFSET_Klass_name); |
4006 | 351 |
352 this->klassSymbolLength = copyin_uint16(this->klassSymbol + | |
353 OFFSET_Symbol_length); | |
354 | |
355 /* | |
356 * Enough for three strings, plus the '.', plus the trailing '\0'. | |
357 */ | |
358 this->result = (char *) alloca(this->klassSymbolLength + | |
359 this->nameSymbolLength + | |
360 this->signatureSymbolLength + 2 + 1); | |
361 | |
362 copyinto(this->klassSymbol + OFFSET_Symbol_body, | |
363 this->klassSymbolLength, this->result); | |
364 | |
365 /* | |
366 * Add the '.' between the class and the name. | |
367 */ | |
368 this->result[this->klassSymbolLength] = '.'; | |
369 | |
370 copyinto(this->nameSymbol + OFFSET_Symbol_body, | |
371 this->nameSymbolLength, | |
372 this->result + this->klassSymbolLength + 1); | |
373 | |
374 copyinto(this->signatureSymbol + OFFSET_Symbol_body, | |
375 this->signatureSymbolLength, | |
376 this->result + this->klassSymbolLength + | |
377 this->nameSymbolLength + 1); | |
378 | |
379 /* | |
380 * Now we need to add a trailing '\0' and possibly a tag character. | |
381 */ | |
382 this->result[this->klassSymbolLength + 1 + | |
383 this->nameSymbolLength + | |
384 this->signatureSymbolLength] = this->suffix; | |
385 this->result[this->klassSymbolLength + 2 + | |
386 this->nameSymbolLength + | |
387 this->signatureSymbolLength] = '\0'; | |
388 | |
389 this->done = 1; | |
390 } | |
391 | |
392 dtrace:helper:ustack: | |
393 /this->done && this->error == (char *) NULL/ | |
394 { | |
395 this->result; | |
396 } | |
397 | |
398 dtrace:helper:ustack: | |
399 /this->done && this->error != (char *) NULL/ | |
400 { | |
401 this->error; | |
402 } | |
403 | |
404 dtrace:helper:ustack: | |
405 /!this->done && this->codecache/ | |
406 { | |
407 this->done = 1; | |
408 "error"; | |
409 } | |
410 | |
411 | |
412 dtrace:helper:ustack: | |
413 /!this->done/ | |
414 { | |
415 NULL; | |
416 } |