Mercurial > hg > graal-compiler
annotate src/cpu/zero/vm/frame_zero.cpp @ 17073:1d69b5c58bfe
Insert proxies when peeking through proxy for array length
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Tue, 09 Sep 2014 11:53:53 +0200 |
parents | 4ca6dc0799b6 |
children | 89152779163c |
rev | line source |
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1010 | 1 /* |
14909 | 2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc. |
1010 | 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 * or visit www.oracle.com if you need additional information or have any |
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22 * questions. |
1010 | 23 * |
24 */ | |
25 | |
1972 | 26 #include "precompiled.hpp" |
27 #include "code/scopeDesc.hpp" | |
28 #include "interpreter/interpreter.hpp" | |
29 #include "interpreter/interpreterRuntime.hpp" | |
30 #include "memory/resourceArea.hpp" | |
31 #include "oops/markOop.hpp" | |
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32 #include "oops/method.hpp" |
1972 | 33 #include "oops/oop.inline.hpp" |
34 #include "runtime/frame.inline.hpp" | |
35 #include "runtime/handles.inline.hpp" | |
36 #include "runtime/javaCalls.hpp" | |
37 #include "runtime/monitorChunk.hpp" | |
38 #include "runtime/signature.hpp" | |
39 #include "runtime/stubCodeGenerator.hpp" | |
40 #include "runtime/stubRoutines.hpp" | |
41 #include "vmreg_zero.inline.hpp" | |
42 #ifdef COMPILER1 | |
43 #include "c1/c1_Runtime1.hpp" | |
44 #include "runtime/vframeArray.hpp" | |
45 #endif | |
1010 | 46 |
47 #ifdef ASSERT | |
48 void RegisterMap::check_location_valid() { | |
49 ShouldNotCallThis(); | |
50 } | |
51 #endif | |
52 | |
53 bool frame::is_interpreted_frame() const { | |
54 return zeroframe()->is_interpreter_frame(); | |
55 } | |
56 | |
1512 | 57 bool frame::is_fake_stub_frame() const { |
58 return zeroframe()->is_fake_stub_frame(); | |
59 } | |
60 | |
1010 | 61 frame frame::sender_for_entry_frame(RegisterMap *map) const { |
1078 | 62 assert(zeroframe()->is_entry_frame(), "wrong type of frame"); |
1010 | 63 assert(map != NULL, "map must be set"); |
64 assert(!entry_frame_is_first(), "next Java fp must be non zero"); | |
65 assert(entry_frame_call_wrapper()->anchor()->last_Java_sp() == sender_sp(), | |
66 "sender should be next Java frame"); | |
67 map->clear(); | |
68 assert(map->include_argument_oops(), "should be set by clear"); | |
1505 | 69 return frame(zeroframe()->next(), sender_sp()); |
1010 | 70 } |
71 | |
1078 | 72 frame frame::sender_for_nonentry_frame(RegisterMap *map) const { |
73 assert(zeroframe()->is_interpreter_frame() || | |
74 zeroframe()->is_shark_frame() || | |
75 zeroframe()->is_fake_stub_frame(), "wrong type of frame"); | |
1505 | 76 return frame(zeroframe()->next(), sender_sp()); |
1010 | 77 } |
78 | |
79 frame frame::sender(RegisterMap* map) const { | |
80 // Default is not to follow arguments; the various | |
81 // sender_for_xxx methods update this accordingly. | |
82 map->set_include_argument_oops(false); | |
83 | |
84 if (is_entry_frame()) | |
85 return sender_for_entry_frame(map); | |
1078 | 86 else |
87 return sender_for_nonentry_frame(map); | |
1010 | 88 } |
89 | |
90 #ifdef CC_INTERP | |
91 BasicObjectLock* frame::interpreter_frame_monitor_begin() const { | |
92 return get_interpreterState()->monitor_base(); | |
93 } | |
94 | |
95 BasicObjectLock* frame::interpreter_frame_monitor_end() const { | |
96 return (BasicObjectLock*) get_interpreterState()->stack_base(); | |
97 } | |
98 #endif // CC_INTERP | |
99 | |
100 void frame::patch_pc(Thread* thread, address pc) { | |
7599 | 101 |
102 if (pc != NULL) { | |
103 _cb = CodeCache::find_blob(pc); | |
104 SharkFrame* sharkframe = zeroframe()->as_shark_frame(); | |
105 sharkframe->set_pc(pc); | |
106 _pc = pc; | |
107 _deopt_state = is_deoptimized; | |
108 | |
109 } else { | |
110 // We borrow this call to set the thread pointer in the interpreter | |
111 // state; the hook to set up deoptimized frames isn't supplied it. | |
112 assert(pc == NULL, "should be"); | |
113 get_interpreterState()->set_thread((JavaThread *) thread); | |
114 } | |
1010 | 115 } |
116 | |
117 bool frame::safe_for_sender(JavaThread *thread) { | |
118 ShouldNotCallThis(); | |
12077 | 119 return false; |
1010 | 120 } |
121 | |
122 void frame::pd_gc_epilog() { | |
123 } | |
124 | |
125 bool frame::is_interpreted_frame_valid(JavaThread *thread) const { | |
126 ShouldNotCallThis(); | |
12077 | 127 return false; |
1010 | 128 } |
129 | |
130 BasicType frame::interpreter_frame_result(oop* oop_result, | |
131 jvalue* value_result) { | |
132 assert(is_interpreted_frame(), "interpreted frame expected"); | |
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133 Method* method = interpreter_frame_method(); |
1010 | 134 BasicType type = method->result_type(); |
135 intptr_t* tos_addr = (intptr_t *) interpreter_frame_tos_address(); | |
136 oop obj; | |
137 | |
138 switch (type) { | |
139 case T_VOID: | |
140 break; | |
141 case T_BOOLEAN: | |
142 value_result->z = *(jboolean *) tos_addr; | |
143 break; | |
144 case T_BYTE: | |
145 value_result->b = *(jbyte *) tos_addr; | |
146 break; | |
147 case T_CHAR: | |
148 value_result->c = *(jchar *) tos_addr; | |
149 break; | |
150 case T_SHORT: | |
151 value_result->s = *(jshort *) tos_addr; | |
152 break; | |
153 case T_INT: | |
154 value_result->i = *(jint *) tos_addr; | |
155 break; | |
156 case T_LONG: | |
157 value_result->j = *(jlong *) tos_addr; | |
158 break; | |
159 case T_FLOAT: | |
160 value_result->f = *(jfloat *) tos_addr; | |
161 break; | |
162 case T_DOUBLE: | |
163 value_result->d = *(jdouble *) tos_addr; | |
164 break; | |
165 | |
166 case T_OBJECT: | |
167 case T_ARRAY: | |
168 if (method->is_native()) { | |
169 obj = get_interpreterState()->oop_temp(); | |
170 } | |
171 else { | |
172 oop* obj_p = (oop *) tos_addr; | |
173 obj = (obj_p == NULL) ? (oop) NULL : *obj_p; | |
174 } | |
175 assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check"); | |
176 *oop_result = obj; | |
177 break; | |
178 | |
179 default: | |
180 ShouldNotReachHere(); | |
181 } | |
182 | |
183 return type; | |
184 } | |
185 | |
186 int frame::frame_size(RegisterMap* map) const { | |
187 #ifdef PRODUCT | |
188 ShouldNotCallThis(); | |
12077 | 189 #endif // PRODUCT |
1010 | 190 return 0; // make javaVFrame::print_value work |
191 } | |
192 | |
193 intptr_t* frame::interpreter_frame_tos_at(jint offset) const { | |
194 int index = (Interpreter::expr_offset_in_bytes(offset) / wordSize); | |
195 return &interpreter_frame_tos_address()[index]; | |
196 } | |
197 | |
198 void frame::zero_print_on_error(int frame_index, | |
199 outputStream* st, | |
200 char* buf, | |
201 int buflen) const { | |
202 // Divide the buffer between the field and the value | |
203 buflen >>= 1; | |
204 char *fieldbuf = buf; | |
205 char *valuebuf = buf + buflen; | |
206 | |
207 // Print each word of the frame | |
1505 | 208 for (intptr_t *addr = sp(); addr <= fp(); addr++) { |
209 int offset = fp() - addr; | |
1010 | 210 |
211 // Fill in default values, then try and improve them | |
212 snprintf(fieldbuf, buflen, "word[%d]", offset); | |
213 snprintf(valuebuf, buflen, PTR_FORMAT, *addr); | |
214 zeroframe()->identify_word(frame_index, offset, fieldbuf, valuebuf, buflen); | |
215 fieldbuf[buflen - 1] = '\0'; | |
216 valuebuf[buflen - 1] = '\0'; | |
217 | |
218 // Print the result | |
219 st->print_cr(" " PTR_FORMAT ": %-21s = %s", addr, fieldbuf, valuebuf); | |
220 } | |
221 } | |
222 | |
223 void ZeroFrame::identify_word(int frame_index, | |
224 int offset, | |
225 char* fieldbuf, | |
226 char* valuebuf, | |
227 int buflen) const { | |
228 switch (offset) { | |
229 case next_frame_off: | |
230 strncpy(fieldbuf, "next_frame", buflen); | |
231 break; | |
232 | |
233 case frame_type_off: | |
234 strncpy(fieldbuf, "frame_type", buflen); | |
235 if (is_entry_frame()) | |
236 strncpy(valuebuf, "ENTRY_FRAME", buflen); | |
237 else if (is_interpreter_frame()) | |
238 strncpy(valuebuf, "INTERPRETER_FRAME", buflen); | |
239 else if (is_shark_frame()) | |
240 strncpy(valuebuf, "SHARK_FRAME", buflen); | |
241 else if (is_fake_stub_frame()) | |
242 strncpy(valuebuf, "FAKE_STUB_FRAME", buflen); | |
243 break; | |
244 | |
245 default: | |
246 if (is_entry_frame()) { | |
247 as_entry_frame()->identify_word( | |
248 frame_index, offset, fieldbuf, valuebuf, buflen); | |
249 } | |
250 else if (is_interpreter_frame()) { | |
251 as_interpreter_frame()->identify_word( | |
252 frame_index, offset, fieldbuf, valuebuf, buflen); | |
253 } | |
254 else if (is_shark_frame()) { | |
255 as_shark_frame()->identify_word( | |
256 frame_index, offset, fieldbuf, valuebuf, buflen); | |
257 } | |
258 else if (is_fake_stub_frame()) { | |
259 as_fake_stub_frame()->identify_word( | |
260 frame_index, offset, fieldbuf, valuebuf, buflen); | |
261 } | |
262 } | |
263 } | |
264 | |
265 void EntryFrame::identify_word(int frame_index, | |
266 int offset, | |
267 char* fieldbuf, | |
268 char* valuebuf, | |
269 int buflen) const { | |
270 switch (offset) { | |
271 case call_wrapper_off: | |
272 strncpy(fieldbuf, "call_wrapper", buflen); | |
273 break; | |
274 | |
275 default: | |
276 snprintf(fieldbuf, buflen, "local[%d]", offset - 3); | |
277 } | |
278 } | |
279 | |
280 void InterpreterFrame::identify_word(int frame_index, | |
281 int offset, | |
282 char* fieldbuf, | |
283 char* valuebuf, | |
284 int buflen) const { | |
285 interpreterState istate = interpreter_state(); | |
286 bool is_valid = istate->self_link() == istate; | |
287 intptr_t *addr = addr_of_word(offset); | |
288 | |
289 // Fixed part | |
290 if (addr >= (intptr_t *) istate) { | |
291 const char *field = istate->name_of_field_at_address((address) addr); | |
292 if (field) { | |
293 if (is_valid && !strcmp(field, "_method")) { | |
294 istate->method()->name_and_sig_as_C_string(valuebuf, buflen); | |
295 } | |
296 else if (is_valid && !strcmp(field, "_bcp") && istate->bcp()) { | |
297 snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)", | |
298 (intptr_t) istate->bcp(), | |
299 istate->method()->bci_from(istate->bcp())); | |
300 } | |
301 snprintf(fieldbuf, buflen, "%sistate->%s", | |
302 field[strlen(field) - 1] == ')' ? "(": "", field); | |
303 } | |
304 else if (addr == (intptr_t *) istate) { | |
305 strncpy(fieldbuf, "(vtable for istate)", buflen); | |
306 } | |
307 return; | |
308 } | |
309 | |
310 // Variable part | |
311 if (!is_valid) | |
312 return; | |
313 | |
314 // JNI stuff | |
315 if (istate->method()->is_native() && addr < istate->stack_base()) { | |
316 address hA = istate->method()->signature_handler(); | |
317 if (hA != NULL) { | |
318 if (hA != (address) InterpreterRuntime::slow_signature_handler) { | |
319 InterpreterRuntime::SignatureHandler *handler = | |
320 InterpreterRuntime::SignatureHandler::from_handlerAddr(hA); | |
321 | |
322 intptr_t *params = istate->stack_base() - handler->argument_count(); | |
323 if (addr >= params) { | |
324 int param = addr - params; | |
325 const char *desc = ""; | |
326 if (param == 0) | |
327 desc = " (JNIEnv)"; | |
328 else if (param == 1) { | |
329 if (istate->method()->is_static()) | |
330 desc = " (mirror)"; | |
331 else | |
332 desc = " (this)"; | |
333 } | |
334 snprintf(fieldbuf, buflen, "parameter[%d]%s", param, desc); | |
335 return; | |
336 } | |
337 | |
338 for (int i = 0; i < handler->argument_count(); i++) { | |
339 if (params[i] == (intptr_t) addr) { | |
340 snprintf(fieldbuf, buflen, "unboxed parameter[%d]", i); | |
341 return; | |
342 } | |
343 } | |
344 } | |
345 } | |
346 return; | |
347 } | |
348 | |
349 // Monitors and stack | |
350 identify_vp_word(frame_index, addr, | |
351 (intptr_t *) istate->monitor_base(), | |
352 istate->stack_base(), | |
353 fieldbuf, buflen); | |
354 } | |
355 | |
356 void SharkFrame::identify_word(int frame_index, | |
357 int offset, | |
358 char* fieldbuf, | |
359 char* valuebuf, | |
360 int buflen) const { | |
361 // Fixed part | |
362 switch (offset) { | |
363 case pc_off: | |
364 strncpy(fieldbuf, "pc", buflen); | |
6926 | 365 if (method()->is_method()) { |
1010 | 366 nmethod *code = method()->code(); |
367 if (code && code->pc_desc_at(pc())) { | |
368 SimpleScopeDesc ssd(code, pc()); | |
369 snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)", | |
370 (intptr_t) pc(), ssd.bci()); | |
371 } | |
372 } | |
373 return; | |
374 | |
375 case unextended_sp_off: | |
376 strncpy(fieldbuf, "unextended_sp", buflen); | |
377 return; | |
378 | |
379 case method_off: | |
380 strncpy(fieldbuf, "method", buflen); | |
6926 | 381 if (method()->is_method()) { |
1010 | 382 method()->name_and_sig_as_C_string(valuebuf, buflen); |
383 } | |
384 return; | |
385 | |
386 case oop_tmp_off: | |
387 strncpy(fieldbuf, "oop_tmp", buflen); | |
388 return; | |
389 } | |
390 | |
391 // Variable part | |
6926 | 392 if (method()->is_method()) { |
1010 | 393 identify_vp_word(frame_index, addr_of_word(offset), |
394 addr_of_word(header_words + 1), | |
395 unextended_sp() + method()->max_stack(), | |
396 fieldbuf, buflen); | |
397 } | |
398 } | |
399 | |
400 void ZeroFrame::identify_vp_word(int frame_index, | |
401 intptr_t* addr, | |
402 intptr_t* monitor_base, | |
403 intptr_t* stack_base, | |
404 char* fieldbuf, | |
405 int buflen) const { | |
406 // Monitors | |
407 if (addr >= stack_base && addr < monitor_base) { | |
408 int monitor_size = frame::interpreter_frame_monitor_size(); | |
409 int last_index = (monitor_base - stack_base) / monitor_size - 1; | |
410 int index = last_index - (addr - stack_base) / monitor_size; | |
411 intptr_t monitor = (intptr_t) ( | |
412 (BasicObjectLock *) monitor_base - 1 - index); | |
413 intptr_t offset = (intptr_t) addr - monitor; | |
414 | |
415 if (offset == BasicObjectLock::obj_offset_in_bytes()) | |
416 snprintf(fieldbuf, buflen, "monitor[%d]->_obj", index); | |
417 else if (offset == BasicObjectLock::lock_offset_in_bytes()) | |
418 snprintf(fieldbuf, buflen, "monitor[%d]->_lock", index); | |
419 | |
420 return; | |
421 } | |
422 | |
423 // Expression stack | |
424 if (addr < stack_base) { | |
425 snprintf(fieldbuf, buflen, "%s[%d]", | |
426 frame_index == 0 ? "stack_word" : "local", | |
427 (int) (stack_base - addr - 1)); | |
428 return; | |
429 } | |
430 } | |
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431 |
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432 #ifndef PRODUCT |
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433 |
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434 void frame::describe_pd(FrameValues& values, int frame_no) { |
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435 |
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436 } |
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437 |
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438 #endif |
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439 |
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440 intptr_t *frame::initial_deoptimization_info() { |
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441 // unused... but returns fp() to minimize changes introduced by 7087445 |
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442 return fp(); |
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443 } |