author | duke |
Wed, 05 Jul 2017 20:05:23 +0200 | |
changeset 27222 | 422e90d83a4e |
parent 26821 | ce9f82507dc2 |
child 30118 | dadad0daaab4 |
permissions | -rw-r--r-- |
4013 | 1 |
/* |
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* Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. |
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* Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc. |
4013 | 4 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
5 |
* |
|
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
|
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* |
|
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* This code is distributed in the hope that it will be useful, but WITHOUT |
|
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
12 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
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* version 2 for more details (a copy is included in the LICENSE file that |
|
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* accompanied this code). |
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* |
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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, |
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18 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
|
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
4013 | 23 |
* |
24 |
*/ |
|
25 |
||
7397 | 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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#include "oops/method.hpp" |
7397 | 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 |
|
4013 | 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 |
||
5425 | 57 |
bool frame::is_fake_stub_frame() const { |
58 |
return zeroframe()->is_fake_stub_frame(); |
|
59 |
} |
|
60 |
||
4013 | 61 |
frame frame::sender_for_entry_frame(RegisterMap *map) const { |
4448 | 62 |
assert(zeroframe()->is_entry_frame(), "wrong type of frame"); |
4013 | 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"); |
|
5418 | 69 |
return frame(zeroframe()->next(), sender_sp()); |
4013 | 70 |
} |
71 |
||
4448 | 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"); |
|
5418 | 76 |
return frame(zeroframe()->next(), sender_sp()); |
4013 | 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); |
|
4448 | 86 |
else |
87 |
return sender_for_nonentry_frame(map); |
|
4013 | 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) { |
|
15205 | 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 |
} |
|
4013 | 115 |
} |
116 |
||
117 |
bool frame::safe_for_sender(JavaThread *thread) { |
|
118 |
ShouldNotCallThis(); |
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return false; |
4013 | 120 |
} |
121 |
||
122 |
bool frame::is_interpreted_frame_valid(JavaThread *thread) const { |
|
123 |
ShouldNotCallThis(); |
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return false; |
4013 | 125 |
} |
126 |
||
127 |
BasicType frame::interpreter_frame_result(oop* oop_result, |
|
128 |
jvalue* value_result) { |
|
129 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
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130 |
Method* method = interpreter_frame_method(); |
4013 | 131 |
BasicType type = method->result_type(); |
132 |
intptr_t* tos_addr = (intptr_t *) interpreter_frame_tos_address(); |
|
133 |
oop obj; |
|
134 |
||
135 |
switch (type) { |
|
136 |
case T_VOID: |
|
137 |
break; |
|
138 |
case T_BOOLEAN: |
|
139 |
value_result->z = *(jboolean *) tos_addr; |
|
140 |
break; |
|
141 |
case T_BYTE: |
|
142 |
value_result->b = *(jbyte *) tos_addr; |
|
143 |
break; |
|
144 |
case T_CHAR: |
|
145 |
value_result->c = *(jchar *) tos_addr; |
|
146 |
break; |
|
147 |
case T_SHORT: |
|
148 |
value_result->s = *(jshort *) tos_addr; |
|
149 |
break; |
|
150 |
case T_INT: |
|
151 |
value_result->i = *(jint *) tos_addr; |
|
152 |
break; |
|
153 |
case T_LONG: |
|
154 |
value_result->j = *(jlong *) tos_addr; |
|
155 |
break; |
|
156 |
case T_FLOAT: |
|
157 |
value_result->f = *(jfloat *) tos_addr; |
|
158 |
break; |
|
159 |
case T_DOUBLE: |
|
160 |
value_result->d = *(jdouble *) tos_addr; |
|
161 |
break; |
|
162 |
||
163 |
case T_OBJECT: |
|
164 |
case T_ARRAY: |
|
165 |
if (method->is_native()) { |
|
166 |
obj = get_interpreterState()->oop_temp(); |
|
167 |
} |
|
168 |
else { |
|
169 |
oop* obj_p = (oop *) tos_addr; |
|
170 |
obj = (obj_p == NULL) ? (oop) NULL : *obj_p; |
|
171 |
} |
|
172 |
assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check"); |
|
173 |
*oop_result = obj; |
|
174 |
break; |
|
175 |
||
176 |
default: |
|
177 |
ShouldNotReachHere(); |
|
178 |
} |
|
179 |
||
180 |
return type; |
|
181 |
} |
|
182 |
||
183 |
int frame::frame_size(RegisterMap* map) const { |
|
184 |
#ifdef PRODUCT |
|
185 |
ShouldNotCallThis(); |
|
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#endif // PRODUCT |
4013 | 187 |
return 0; // make javaVFrame::print_value work |
188 |
} |
|
189 |
||
190 |
intptr_t* frame::interpreter_frame_tos_at(jint offset) const { |
|
191 |
int index = (Interpreter::expr_offset_in_bytes(offset) / wordSize); |
|
192 |
return &interpreter_frame_tos_address()[index]; |
|
193 |
} |
|
194 |
||
195 |
void frame::zero_print_on_error(int frame_index, |
|
196 |
outputStream* st, |
|
197 |
char* buf, |
|
198 |
int buflen) const { |
|
199 |
// Divide the buffer between the field and the value |
|
200 |
buflen >>= 1; |
|
201 |
char *fieldbuf = buf; |
|
202 |
char *valuebuf = buf + buflen; |
|
203 |
||
204 |
// Print each word of the frame |
|
5418 | 205 |
for (intptr_t *addr = sp(); addr <= fp(); addr++) { |
206 |
int offset = fp() - addr; |
|
4013 | 207 |
|
208 |
// Fill in default values, then try and improve them |
|
209 |
snprintf(fieldbuf, buflen, "word[%d]", offset); |
|
210 |
snprintf(valuebuf, buflen, PTR_FORMAT, *addr); |
|
211 |
zeroframe()->identify_word(frame_index, offset, fieldbuf, valuebuf, buflen); |
|
212 |
fieldbuf[buflen - 1] = '\0'; |
|
213 |
valuebuf[buflen - 1] = '\0'; |
|
214 |
||
215 |
// Print the result |
|
216 |
st->print_cr(" " PTR_FORMAT ": %-21s = %s", addr, fieldbuf, valuebuf); |
|
217 |
} |
|
218 |
} |
|
219 |
||
220 |
void ZeroFrame::identify_word(int frame_index, |
|
221 |
int offset, |
|
222 |
char* fieldbuf, |
|
223 |
char* valuebuf, |
|
224 |
int buflen) const { |
|
225 |
switch (offset) { |
|
226 |
case next_frame_off: |
|
227 |
strncpy(fieldbuf, "next_frame", buflen); |
|
228 |
break; |
|
229 |
||
230 |
case frame_type_off: |
|
231 |
strncpy(fieldbuf, "frame_type", buflen); |
|
232 |
if (is_entry_frame()) |
|
233 |
strncpy(valuebuf, "ENTRY_FRAME", buflen); |
|
234 |
else if (is_interpreter_frame()) |
|
235 |
strncpy(valuebuf, "INTERPRETER_FRAME", buflen); |
|
236 |
else if (is_shark_frame()) |
|
237 |
strncpy(valuebuf, "SHARK_FRAME", buflen); |
|
238 |
else if (is_fake_stub_frame()) |
|
239 |
strncpy(valuebuf, "FAKE_STUB_FRAME", buflen); |
|
240 |
break; |
|
241 |
||
242 |
default: |
|
243 |
if (is_entry_frame()) { |
|
244 |
as_entry_frame()->identify_word( |
|
245 |
frame_index, offset, fieldbuf, valuebuf, buflen); |
|
246 |
} |
|
247 |
else if (is_interpreter_frame()) { |
|
248 |
as_interpreter_frame()->identify_word( |
|
249 |
frame_index, offset, fieldbuf, valuebuf, buflen); |
|
250 |
} |
|
251 |
else if (is_shark_frame()) { |
|
252 |
as_shark_frame()->identify_word( |
|
253 |
frame_index, offset, fieldbuf, valuebuf, buflen); |
|
254 |
} |
|
255 |
else if (is_fake_stub_frame()) { |
|
256 |
as_fake_stub_frame()->identify_word( |
|
257 |
frame_index, offset, fieldbuf, valuebuf, buflen); |
|
258 |
} |
|
259 |
} |
|
260 |
} |
|
261 |
||
262 |
void EntryFrame::identify_word(int frame_index, |
|
263 |
int offset, |
|
264 |
char* fieldbuf, |
|
265 |
char* valuebuf, |
|
266 |
int buflen) const { |
|
267 |
switch (offset) { |
|
268 |
case call_wrapper_off: |
|
269 |
strncpy(fieldbuf, "call_wrapper", buflen); |
|
270 |
break; |
|
271 |
||
272 |
default: |
|
273 |
snprintf(fieldbuf, buflen, "local[%d]", offset - 3); |
|
274 |
} |
|
275 |
} |
|
276 |
||
277 |
void InterpreterFrame::identify_word(int frame_index, |
|
278 |
int offset, |
|
279 |
char* fieldbuf, |
|
280 |
char* valuebuf, |
|
281 |
int buflen) const { |
|
282 |
interpreterState istate = interpreter_state(); |
|
283 |
bool is_valid = istate->self_link() == istate; |
|
284 |
intptr_t *addr = addr_of_word(offset); |
|
285 |
||
286 |
// Fixed part |
|
287 |
if (addr >= (intptr_t *) istate) { |
|
288 |
const char *field = istate->name_of_field_at_address((address) addr); |
|
289 |
if (field) { |
|
290 |
if (is_valid && !strcmp(field, "_method")) { |
|
291 |
istate->method()->name_and_sig_as_C_string(valuebuf, buflen); |
|
292 |
} |
|
293 |
else if (is_valid && !strcmp(field, "_bcp") && istate->bcp()) { |
|
294 |
snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)", |
|
295 |
(intptr_t) istate->bcp(), |
|
296 |
istate->method()->bci_from(istate->bcp())); |
|
297 |
} |
|
298 |
snprintf(fieldbuf, buflen, "%sistate->%s", |
|
299 |
field[strlen(field) - 1] == ')' ? "(": "", field); |
|
300 |
} |
|
301 |
else if (addr == (intptr_t *) istate) { |
|
302 |
strncpy(fieldbuf, "(vtable for istate)", buflen); |
|
303 |
} |
|
304 |
return; |
|
305 |
} |
|
306 |
||
307 |
// Variable part |
|
308 |
if (!is_valid) |
|
309 |
return; |
|
310 |
||
311 |
// JNI stuff |
|
312 |
if (istate->method()->is_native() && addr < istate->stack_base()) { |
|
313 |
address hA = istate->method()->signature_handler(); |
|
314 |
if (hA != NULL) { |
|
315 |
if (hA != (address) InterpreterRuntime::slow_signature_handler) { |
|
316 |
InterpreterRuntime::SignatureHandler *handler = |
|
317 |
InterpreterRuntime::SignatureHandler::from_handlerAddr(hA); |
|
318 |
||
319 |
intptr_t *params = istate->stack_base() - handler->argument_count(); |
|
320 |
if (addr >= params) { |
|
321 |
int param = addr - params; |
|
322 |
const char *desc = ""; |
|
323 |
if (param == 0) |
|
324 |
desc = " (JNIEnv)"; |
|
325 |
else if (param == 1) { |
|
326 |
if (istate->method()->is_static()) |
|
327 |
desc = " (mirror)"; |
|
328 |
else |
|
329 |
desc = " (this)"; |
|
330 |
} |
|
331 |
snprintf(fieldbuf, buflen, "parameter[%d]%s", param, desc); |
|
332 |
return; |
|
333 |
} |
|
334 |
||
335 |
for (int i = 0; i < handler->argument_count(); i++) { |
|
336 |
if (params[i] == (intptr_t) addr) { |
|
337 |
snprintf(fieldbuf, buflen, "unboxed parameter[%d]", i); |
|
338 |
return; |
|
339 |
} |
|
340 |
} |
|
341 |
} |
|
342 |
} |
|
343 |
return; |
|
344 |
} |
|
345 |
||
346 |
// Monitors and stack |
|
347 |
identify_vp_word(frame_index, addr, |
|
348 |
(intptr_t *) istate->monitor_base(), |
|
349 |
istate->stack_base(), |
|
350 |
fieldbuf, buflen); |
|
351 |
} |
|
352 |
||
353 |
void SharkFrame::identify_word(int frame_index, |
|
354 |
int offset, |
|
355 |
char* fieldbuf, |
|
356 |
char* valuebuf, |
|
357 |
int buflen) const { |
|
358 |
// Fixed part |
|
359 |
switch (offset) { |
|
360 |
case pc_off: |
|
361 |
strncpy(fieldbuf, "pc", buflen); |
|
14294 | 362 |
if (method()->is_method()) { |
4013 | 363 |
nmethod *code = method()->code(); |
364 |
if (code && code->pc_desc_at(pc())) { |
|
365 |
SimpleScopeDesc ssd(code, pc()); |
|
366 |
snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)", |
|
367 |
(intptr_t) pc(), ssd.bci()); |
|
368 |
} |
|
369 |
} |
|
370 |
return; |
|
371 |
||
372 |
case unextended_sp_off: |
|
373 |
strncpy(fieldbuf, "unextended_sp", buflen); |
|
374 |
return; |
|
375 |
||
376 |
case method_off: |
|
377 |
strncpy(fieldbuf, "method", buflen); |
|
14294 | 378 |
if (method()->is_method()) { |
4013 | 379 |
method()->name_and_sig_as_C_string(valuebuf, buflen); |
380 |
} |
|
381 |
return; |
|
382 |
||
383 |
case oop_tmp_off: |
|
384 |
strncpy(fieldbuf, "oop_tmp", buflen); |
|
385 |
return; |
|
386 |
} |
|
387 |
||
388 |
// Variable part |
|
14294 | 389 |
if (method()->is_method()) { |
4013 | 390 |
identify_vp_word(frame_index, addr_of_word(offset), |
391 |
addr_of_word(header_words + 1), |
|
392 |
unextended_sp() + method()->max_stack(), |
|
393 |
fieldbuf, buflen); |
|
394 |
} |
|
395 |
} |
|
396 |
||
397 |
void ZeroFrame::identify_vp_word(int frame_index, |
|
398 |
intptr_t* addr, |
|
399 |
intptr_t* monitor_base, |
|
400 |
intptr_t* stack_base, |
|
401 |
char* fieldbuf, |
|
402 |
int buflen) const { |
|
403 |
// Monitors |
|
404 |
if (addr >= stack_base && addr < monitor_base) { |
|
405 |
int monitor_size = frame::interpreter_frame_monitor_size(); |
|
406 |
int last_index = (monitor_base - stack_base) / monitor_size - 1; |
|
407 |
int index = last_index - (addr - stack_base) / monitor_size; |
|
408 |
intptr_t monitor = (intptr_t) ( |
|
409 |
(BasicObjectLock *) monitor_base - 1 - index); |
|
410 |
intptr_t offset = (intptr_t) addr - monitor; |
|
411 |
||
412 |
if (offset == BasicObjectLock::obj_offset_in_bytes()) |
|
413 |
snprintf(fieldbuf, buflen, "monitor[%d]->_obj", index); |
|
414 |
else if (offset == BasicObjectLock::lock_offset_in_bytes()) |
|
415 |
snprintf(fieldbuf, buflen, "monitor[%d]->_lock", index); |
|
416 |
||
417 |
return; |
|
418 |
} |
|
419 |
||
420 |
// Expression stack |
|
421 |
if (addr < stack_base) { |
|
422 |
snprintf(fieldbuf, buflen, "%s[%d]", |
|
423 |
frame_index == 0 ? "stack_word" : "local", |
|
424 |
(int) (stack_base - addr - 1)); |
|
425 |
return; |
|
426 |
} |
|
427 |
} |
|
10260
b7007c4de557
7071823: Zero: zero/shark doesn't build after b147-fcs
twisti
parents:
7397
diff
changeset
|
428 |
|
11571
23f825a42a85
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
10539
diff
changeset
|
429 |
#ifndef PRODUCT |
10260
b7007c4de557
7071823: Zero: zero/shark doesn't build after b147-fcs
twisti
parents:
7397
diff
changeset
|
430 |
|
b7007c4de557
7071823: Zero: zero/shark doesn't build after b147-fcs
twisti
parents:
7397
diff
changeset
|
431 |
void frame::describe_pd(FrameValues& values, int frame_no) { |
b7007c4de557
7071823: Zero: zero/shark doesn't build after b147-fcs
twisti
parents:
7397
diff
changeset
|
432 |
|
b7007c4de557
7071823: Zero: zero/shark doesn't build after b147-fcs
twisti
parents:
7397
diff
changeset
|
433 |
} |
b7007c4de557
7071823: Zero: zero/shark doesn't build after b147-fcs
twisti
parents:
7397
diff
changeset
|
434 |
|
b7007c4de557
7071823: Zero: zero/shark doesn't build after b147-fcs
twisti
parents:
7397
diff
changeset
|
435 |
#endif |
10539
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
10260
diff
changeset
|
436 |
|
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
10260
diff
changeset
|
437 |
intptr_t *frame::initial_deoptimization_info() { |
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
10260
diff
changeset
|
438 |
// unused... but returns fp() to minimize changes introduced by 7087445 |
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
10260
diff
changeset
|
439 |
return fp(); |
f87cedf7983c
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
10260
diff
changeset
|
440 |
} |
26821
ce9f82507dc2
8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
simonis
parents:
25714
diff
changeset
|
441 |
|
ce9f82507dc2
8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
simonis
parents:
25714
diff
changeset
|
442 |
#ifndef PRODUCT |
ce9f82507dc2
8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
simonis
parents:
25714
diff
changeset
|
443 |
// This is a generic constructor which is only used by pns() in debug.cpp. |
ce9f82507dc2
8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
simonis
parents:
25714
diff
changeset
|
444 |
frame::frame(void* sp, void* fp, void* pc) { |
ce9f82507dc2
8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
simonis
parents:
25714
diff
changeset
|
445 |
Unimplemented(); |
ce9f82507dc2
8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
simonis
parents:
25714
diff
changeset
|
446 |
} |
ce9f82507dc2
8058345: Refactor native stack printing from vmError.cpp to debug.cpp to make it available in gdb as well
simonis
parents:
25714
diff
changeset
|
447 |
#endif |