author | twisti |
Fri, 30 Nov 2012 15:23:16 -0800 | |
changeset 14626 | 0cf4eccf130f |
parent 13728 | 882756847a04 |
child 14633 | 58caa6fc3b7c |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
1 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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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 |
|
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* 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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* You should have received a copy of the GNU General Public License version |
|
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* 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. |
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* |
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*/ |
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||
7397 | 25 |
#include "precompiled.hpp" |
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#include "compiler/disassembler.hpp" |
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#include "gc_interface/collectedHeap.inline.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/oopMapCache.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "memory/universe.inline.hpp" |
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#include "oops/markOop.hpp" |
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#include "oops/methodData.hpp" |
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#include "oops/method.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "oops/oop.inline2.hpp" |
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#include "prims/methodHandles.hpp" |
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#include "runtime/frame.inline.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/monitorChunk.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/signature.hpp" |
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#include "runtime/stubCodeGenerator.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "utilities/decoder.hpp" |
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#ifdef TARGET_ARCH_x86 |
49 |
# include "nativeInst_x86.hpp" |
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#endif |
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#ifdef TARGET_ARCH_sparc |
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# include "nativeInst_sparc.hpp" |
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#endif |
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#ifdef TARGET_ARCH_zero |
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# include "nativeInst_zero.hpp" |
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#endif |
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#ifdef TARGET_ARCH_arm |
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# include "nativeInst_arm.hpp" |
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#endif |
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#ifdef TARGET_ARCH_ppc |
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# include "nativeInst_ppc.hpp" |
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#endif |
1 | 63 |
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64 |
RegisterMap::RegisterMap(JavaThread *thread, bool update_map) { |
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65 |
_thread = thread; |
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66 |
_update_map = update_map; |
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67 |
clear(); |
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68 |
debug_only(_update_for_id = NULL;) |
|
69 |
#ifndef PRODUCT |
|
70 |
for (int i = 0; i < reg_count ; i++ ) _location[i] = NULL; |
|
71 |
#endif /* PRODUCT */ |
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72 |
} |
|
73 |
||
74 |
RegisterMap::RegisterMap(const RegisterMap* map) { |
|
75 |
assert(map != this, "bad initialization parameter"); |
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assert(map != NULL, "RegisterMap must be present"); |
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77 |
_thread = map->thread(); |
|
78 |
_update_map = map->update_map(); |
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79 |
_include_argument_oops = map->include_argument_oops(); |
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80 |
debug_only(_update_for_id = map->_update_for_id;) |
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pd_initialize_from(map); |
|
82 |
if (update_map()) { |
|
83 |
for(int i = 0; i < location_valid_size; i++) { |
|
84 |
LocationValidType bits = !update_map() ? 0 : map->_location_valid[i]; |
|
85 |
_location_valid[i] = bits; |
|
86 |
// for whichever bits are set, pull in the corresponding map->_location |
|
87 |
int j = i*location_valid_type_size; |
|
88 |
while (bits != 0) { |
|
89 |
if ((bits & 1) != 0) { |
|
90 |
assert(0 <= j && j < reg_count, "range check"); |
|
91 |
_location[j] = map->_location[j]; |
|
92 |
} |
|
93 |
bits >>= 1; |
|
94 |
j += 1; |
|
95 |
} |
|
96 |
} |
|
97 |
} |
|
98 |
} |
|
99 |
||
100 |
void RegisterMap::clear() { |
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101 |
set_include_argument_oops(true); |
|
102 |
if (_update_map) { |
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103 |
for(int i = 0; i < location_valid_size; i++) { |
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104 |
_location_valid[i] = 0; |
|
105 |
} |
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106 |
pd_clear(); |
|
107 |
} else { |
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108 |
pd_initialize(); |
|
109 |
} |
|
110 |
} |
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111 |
||
112 |
#ifndef PRODUCT |
|
113 |
||
114 |
void RegisterMap::print_on(outputStream* st) const { |
|
115 |
st->print_cr("Register map"); |
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116 |
for(int i = 0; i < reg_count; i++) { |
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117 |
||
118 |
VMReg r = VMRegImpl::as_VMReg(i); |
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119 |
intptr_t* src = (intptr_t*) location(r); |
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120 |
if (src != NULL) { |
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||
1497 | 122 |
r->print_on(st); |
123 |
st->print(" [" INTPTR_FORMAT "] = ", src); |
|
1 | 124 |
if (((uintptr_t)src & (sizeof(*src)-1)) != 0) { |
1497 | 125 |
st->print_cr("<misaligned>"); |
1 | 126 |
} else { |
1497 | 127 |
st->print_cr(INTPTR_FORMAT, *src); |
1 | 128 |
} |
129 |
} |
|
130 |
} |
|
131 |
} |
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132 |
||
133 |
void RegisterMap::print() const { |
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134 |
print_on(tty); |
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135 |
} |
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||
137 |
#endif |
|
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// This returns the pc that if you were in the debugger you'd see. Not |
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139 |
// the idealized value in the frame object. This undoes the magic conversion |
|
140 |
// that happens for deoptimized frames. In addition it makes the value the |
|
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// hardware would want to see in the native frame. The only user (at this point) |
|
142 |
// is deoptimization. It likely no one else should ever use it. |
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143 |
||
144 |
address frame::raw_pc() const { |
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145 |
if (is_deoptimized_frame()) { |
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4752 | 146 |
nmethod* nm = cb()->as_nmethod_or_null(); |
147 |
if (nm->is_method_handle_return(pc())) |
|
148 |
return nm->deopt_mh_handler_begin() - pc_return_offset; |
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149 |
else |
|
150 |
return nm->deopt_handler_begin() - pc_return_offset; |
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1 | 151 |
} else { |
152 |
return (pc() - pc_return_offset); |
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153 |
} |
|
154 |
} |
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155 |
||
156 |
// Change the pc in a frame object. This does not change the actual pc in |
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// actual frame. To do that use patch_pc. |
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158 |
// |
|
159 |
void frame::set_pc(address newpc ) { |
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160 |
#ifdef ASSERT |
|
161 |
if (_cb != NULL && _cb->is_nmethod()) { |
|
162 |
assert(!((nmethod*)_cb)->is_deopt_pc(_pc), "invariant violation"); |
|
163 |
} |
|
164 |
#endif // ASSERT |
|
165 |
||
166 |
// Unsafe to use the is_deoptimzed tester after changing pc |
|
167 |
_deopt_state = unknown; |
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168 |
_pc = newpc; |
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169 |
_cb = CodeCache::find_blob_unsafe(_pc); |
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170 |
||
171 |
} |
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172 |
||
173 |
// type testers |
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bool frame::is_ignored_frame() const { |
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return false; // FIXME: some LambdaForm frames should be ignored |
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} |
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bool frame::is_deoptimized_frame() const { |
178 |
assert(_deopt_state != unknown, "not answerable"); |
|
179 |
return _deopt_state == is_deoptimized; |
|
180 |
} |
|
181 |
||
182 |
bool frame::is_native_frame() const { |
|
183 |
return (_cb != NULL && |
|
184 |
_cb->is_nmethod() && |
|
185 |
((nmethod*)_cb)->is_native_method()); |
|
186 |
} |
|
187 |
||
188 |
bool frame::is_java_frame() const { |
|
189 |
if (is_interpreted_frame()) return true; |
|
190 |
if (is_compiled_frame()) return true; |
|
191 |
return false; |
|
192 |
} |
|
193 |
||
194 |
||
195 |
bool frame::is_compiled_frame() const { |
|
196 |
if (_cb != NULL && |
|
197 |
_cb->is_nmethod() && |
|
198 |
((nmethod*)_cb)->is_java_method()) { |
|
199 |
return true; |
|
200 |
} |
|
201 |
return false; |
|
202 |
} |
|
203 |
||
204 |
||
205 |
bool frame::is_runtime_frame() const { |
|
206 |
return (_cb != NULL && _cb->is_runtime_stub()); |
|
207 |
} |
|
208 |
||
209 |
bool frame::is_safepoint_blob_frame() const { |
|
210 |
return (_cb != NULL && _cb->is_safepoint_stub()); |
|
211 |
} |
|
212 |
||
213 |
// testers |
|
214 |
||
215 |
bool frame::is_first_java_frame() const { |
|
216 |
RegisterMap map(JavaThread::current(), false); // No update |
|
217 |
frame s; |
|
218 |
for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)); |
|
219 |
return s.is_first_frame(); |
|
220 |
} |
|
221 |
||
222 |
||
223 |
bool frame::entry_frame_is_first() const { |
|
224 |
return entry_frame_call_wrapper()->anchor()->last_Java_sp() == NULL; |
|
225 |
} |
|
226 |
||
227 |
||
228 |
bool frame::should_be_deoptimized() const { |
|
229 |
if (_deopt_state == is_deoptimized || |
|
230 |
!is_compiled_frame() ) return false; |
|
231 |
assert(_cb != NULL && _cb->is_nmethod(), "must be an nmethod"); |
|
232 |
nmethod* nm = (nmethod *)_cb; |
|
233 |
if (TraceDependencies) { |
|
234 |
tty->print("checking (%s) ", nm->is_marked_for_deoptimization() ? "true" : "false"); |
|
235 |
nm->print_value_on(tty); |
|
236 |
tty->cr(); |
|
237 |
} |
|
238 |
||
239 |
if( !nm->is_marked_for_deoptimization() ) |
|
240 |
return false; |
|
241 |
||
242 |
// If at the return point, then the frame has already been popped, and |
|
243 |
// only the return needs to be executed. Don't deoptimize here. |
|
244 |
return !nm->is_at_poll_return(pc()); |
|
245 |
} |
|
246 |
||
247 |
bool frame::can_be_deoptimized() const { |
|
248 |
if (!is_compiled_frame()) return false; |
|
249 |
nmethod* nm = (nmethod*)_cb; |
|
250 |
||
251 |
if( !nm->can_be_deoptimized() ) |
|
252 |
return false; |
|
253 |
||
254 |
return !nm->is_at_poll_return(pc()); |
|
255 |
} |
|
256 |
||
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void frame::deoptimize(JavaThread* thread) { |
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258 |
// Schedule deoptimization of an nmethod activation with this frame. |
1 | 259 |
assert(_cb != NULL && _cb->is_nmethod(), "must be"); |
260 |
nmethod* nm = (nmethod*)_cb; |
|
261 |
||
262 |
// This is a fix for register window patching race |
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263 |
if (NeedsDeoptSuspend && Thread::current() != thread) { |
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264 |
assert(SafepointSynchronize::is_at_safepoint(), |
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265 |
"patching other threads for deopt may only occur at a safepoint"); |
1 | 266 |
|
267 |
// It is possible especially with DeoptimizeALot/DeoptimizeRandom that |
|
268 |
// we could see the frame again and ask for it to be deoptimized since |
|
269 |
// it might move for a long time. That is harmless and we just ignore it. |
|
270 |
if (id() == thread->must_deopt_id()) { |
|
271 |
assert(thread->is_deopt_suspend(), "lost suspension"); |
|
272 |
return; |
|
273 |
} |
|
274 |
||
275 |
// We are at a safepoint so the target thread can only be |
|
276 |
// in 4 states: |
|
277 |
// blocked - no problem |
|
278 |
// blocked_trans - no problem (i.e. could have woken up from blocked |
|
279 |
// during a safepoint). |
|
280 |
// native - register window pc patching race |
|
281 |
// native_trans - momentary state |
|
282 |
// |
|
283 |
// We could just wait out a thread in native_trans to block. |
|
284 |
// Then we'd have all the issues that the safepoint code has as to |
|
285 |
// whether to spin or block. It isn't worth it. Just treat it like |
|
286 |
// native and be done with it. |
|
287 |
// |
|
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288 |
// Examine the state of the thread at the start of safepoint since |
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289 |
// threads that were in native at the start of the safepoint could |
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290 |
// come to a halt during the safepoint, changing the current value |
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291 |
// of the safepoint_state. |
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|
292 |
JavaThreadState state = thread->safepoint_state()->orig_thread_state(); |
1 | 293 |
if (state == _thread_in_native || state == _thread_in_native_trans) { |
294 |
// Since we are at a safepoint the target thread will stop itself |
|
295 |
// before it can return to java as long as we remain at the safepoint. |
|
296 |
// Therefore we can put an additional request for the thread to stop |
|
297 |
// no matter what no (like a suspend). This will cause the thread |
|
298 |
// to notice it needs to do the deopt on its own once it leaves native. |
|
299 |
// |
|
300 |
// The only reason we must do this is because on machine with register |
|
301 |
// windows we have a race with patching the return address and the |
|
302 |
// window coming live as the thread returns to the Java code (but still |
|
303 |
// in native mode) and then blocks. It is only this top most frame |
|
304 |
// that is at risk. So in truth we could add an additional check to |
|
305 |
// see if this frame is one that is at risk. |
|
306 |
RegisterMap map(thread, false); |
|
307 |
frame at_risk = thread->last_frame().sender(&map); |
|
308 |
if (id() == at_risk.id()) { |
|
309 |
thread->set_must_deopt_id(id()); |
|
310 |
thread->set_deopt_suspend(); |
|
311 |
return; |
|
312 |
} |
|
313 |
} |
|
314 |
} // NeedsDeoptSuspend |
|
315 |
||
316 |
||
4752 | 317 |
// If the call site is a MethodHandle call site use the MH deopt |
318 |
// handler. |
|
319 |
address deopt = nm->is_method_handle_return(pc()) ? |
|
320 |
nm->deopt_mh_handler_begin() : |
|
321 |
nm->deopt_handler_begin(); |
|
322 |
||
1 | 323 |
// Save the original pc before we patch in the new one |
324 |
nm->set_original_pc(this, pc()); |
|
325 |
patch_pc(thread, deopt); |
|
4752 | 326 |
|
1 | 327 |
#ifdef ASSERT |
328 |
{ |
|
329 |
RegisterMap map(thread, false); |
|
330 |
frame check = thread->last_frame(); |
|
331 |
while (id() != check.id()) { |
|
332 |
check = check.sender(&map); |
|
333 |
} |
|
334 |
assert(check.is_deoptimized_frame(), "missed deopt"); |
|
335 |
} |
|
336 |
#endif // ASSERT |
|
337 |
} |
|
338 |
||
339 |
frame frame::java_sender() const { |
|
340 |
RegisterMap map(JavaThread::current(), false); |
|
341 |
frame s; |
|
342 |
for (s = sender(&map); !(s.is_java_frame() || s.is_first_frame()); s = s.sender(&map)) ; |
|
343 |
guarantee(s.is_java_frame(), "tried to get caller of first java frame"); |
|
344 |
return s; |
|
345 |
} |
|
346 |
||
347 |
frame frame::real_sender(RegisterMap* map) const { |
|
348 |
frame result = sender(map); |
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349 |
while (result.is_runtime_frame() || |
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350 |
result.is_ignored_frame()) { |
1 | 351 |
result = result.sender(map); |
352 |
} |
|
353 |
return result; |
|
354 |
} |
|
355 |
||
356 |
// Note: called by profiler - NOT for current thread |
|
357 |
frame frame::profile_find_Java_sender_frame(JavaThread *thread) { |
|
358 |
// If we don't recognize this frame, walk back up the stack until we do |
|
359 |
RegisterMap map(thread, false); |
|
360 |
frame first_java_frame = frame(); |
|
361 |
||
362 |
// Find the first Java frame on the stack starting with input frame |
|
363 |
if (is_java_frame()) { |
|
364 |
// top frame is compiled frame or deoptimized frame |
|
365 |
first_java_frame = *this; |
|
366 |
} else if (safe_for_sender(thread)) { |
|
367 |
for (frame sender_frame = sender(&map); |
|
368 |
sender_frame.safe_for_sender(thread) && !sender_frame.is_first_frame(); |
|
369 |
sender_frame = sender_frame.sender(&map)) { |
|
370 |
if (sender_frame.is_java_frame()) { |
|
371 |
first_java_frame = sender_frame; |
|
372 |
break; |
|
373 |
} |
|
374 |
} |
|
375 |
} |
|
376 |
return first_java_frame; |
|
377 |
} |
|
378 |
||
379 |
// Interpreter frames |
|
380 |
||
381 |
||
382 |
void frame::interpreter_frame_set_locals(intptr_t* locs) { |
|
383 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
|
384 |
*interpreter_frame_locals_addr() = locs; |
|
385 |
} |
|
386 |
||
13728
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|
387 |
Method* frame::interpreter_frame_method() const { |
1 | 388 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
13728
882756847a04
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diff
changeset
|
389 |
Method* m = *interpreter_frame_method_addr(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
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|
390 |
assert(m->is_metadata(), "bad Method* in interpreter frame"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
391 |
assert(m->is_method(), "not a Method*"); |
1 | 392 |
return m; |
393 |
} |
|
394 |
||
13728
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changeset
|
395 |
void frame::interpreter_frame_set_method(Method* method) { |
1 | 396 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
397 |
*interpreter_frame_method_addr() = method; |
|
398 |
} |
|
399 |
||
400 |
void frame::interpreter_frame_set_bcx(intptr_t bcx) { |
|
401 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
|
402 |
if (ProfileInterpreter) { |
|
403 |
bool formerly_bci = is_bci(interpreter_frame_bcx()); |
|
404 |
bool is_now_bci = is_bci(bcx); |
|
405 |
*interpreter_frame_bcx_addr() = bcx; |
|
406 |
||
407 |
intptr_t mdx = interpreter_frame_mdx(); |
|
408 |
||
409 |
if (mdx != 0) { |
|
410 |
if (formerly_bci) { |
|
411 |
if (!is_now_bci) { |
|
412 |
// The bcx was just converted from bci to bcp. |
|
413 |
// Convert the mdx in parallel. |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
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changeset
|
414 |
MethodData* mdo = interpreter_frame_method()->method_data(); |
1 | 415 |
assert(mdo != NULL, ""); |
416 |
int mdi = mdx - 1; // We distinguish valid mdi from zero by adding one. |
|
417 |
address mdp = mdo->di_to_dp(mdi); |
|
418 |
interpreter_frame_set_mdx((intptr_t)mdp); |
|
419 |
} |
|
420 |
} else { |
|
421 |
if (is_now_bci) { |
|
422 |
// The bcx was just converted from bcp to bci. |
|
423 |
// Convert the mdx in parallel. |
|
13728
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changeset
|
424 |
MethodData* mdo = interpreter_frame_method()->method_data(); |
1 | 425 |
assert(mdo != NULL, ""); |
426 |
int mdi = mdo->dp_to_di((address)mdx); |
|
427 |
interpreter_frame_set_mdx((intptr_t)mdi + 1); // distinguish valid from 0. |
|
428 |
} |
|
429 |
} |
|
430 |
} |
|
431 |
} else { |
|
432 |
*interpreter_frame_bcx_addr() = bcx; |
|
433 |
} |
|
434 |
} |
|
435 |
||
436 |
jint frame::interpreter_frame_bci() const { |
|
437 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
|
438 |
intptr_t bcx = interpreter_frame_bcx(); |
|
439 |
return is_bci(bcx) ? bcx : interpreter_frame_method()->bci_from((address)bcx); |
|
440 |
} |
|
441 |
||
442 |
void frame::interpreter_frame_set_bci(jint bci) { |
|
443 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
|
444 |
assert(!is_bci(interpreter_frame_bcx()), "should not set bci during GC"); |
|
445 |
interpreter_frame_set_bcx((intptr_t)interpreter_frame_method()->bcp_from(bci)); |
|
446 |
} |
|
447 |
||
448 |
address frame::interpreter_frame_bcp() const { |
|
449 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
|
450 |
intptr_t bcx = interpreter_frame_bcx(); |
|
451 |
return is_bci(bcx) ? interpreter_frame_method()->bcp_from(bcx) : (address)bcx; |
|
452 |
} |
|
453 |
||
454 |
void frame::interpreter_frame_set_bcp(address bcp) { |
|
455 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
|
456 |
assert(!is_bci(interpreter_frame_bcx()), "should not set bcp during GC"); |
|
457 |
interpreter_frame_set_bcx((intptr_t)bcp); |
|
458 |
} |
|
459 |
||
460 |
void frame::interpreter_frame_set_mdx(intptr_t mdx) { |
|
461 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
|
462 |
assert(ProfileInterpreter, "must be profiling interpreter"); |
|
463 |
*interpreter_frame_mdx_addr() = mdx; |
|
464 |
} |
|
465 |
||
466 |
address frame::interpreter_frame_mdp() const { |
|
467 |
assert(ProfileInterpreter, "must be profiling interpreter"); |
|
468 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
|
469 |
intptr_t bcx = interpreter_frame_bcx(); |
|
470 |
intptr_t mdx = interpreter_frame_mdx(); |
|
471 |
||
472 |
assert(!is_bci(bcx), "should not access mdp during GC"); |
|
473 |
return (address)mdx; |
|
474 |
} |
|
475 |
||
476 |
void frame::interpreter_frame_set_mdp(address mdp) { |
|
477 |
assert(is_interpreted_frame(), "interpreted frame expected"); |
|
478 |
if (mdp == NULL) { |
|
479 |
// Always allow the mdp to be cleared. |
|
480 |
interpreter_frame_set_mdx((intptr_t)mdp); |
|
481 |
} |
|
482 |
intptr_t bcx = interpreter_frame_bcx(); |
|
483 |
assert(!is_bci(bcx), "should not set mdp during GC"); |
|
484 |
interpreter_frame_set_mdx((intptr_t)mdp); |
|
485 |
} |
|
486 |
||
487 |
BasicObjectLock* frame::next_monitor_in_interpreter_frame(BasicObjectLock* current) const { |
|
488 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
|
489 |
#ifdef ASSERT |
|
490 |
interpreter_frame_verify_monitor(current); |
|
491 |
#endif |
|
492 |
BasicObjectLock* next = (BasicObjectLock*) (((intptr_t*) current) + interpreter_frame_monitor_size()); |
|
493 |
return next; |
|
494 |
} |
|
495 |
||
496 |
BasicObjectLock* frame::previous_monitor_in_interpreter_frame(BasicObjectLock* current) const { |
|
497 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
|
498 |
#ifdef ASSERT |
|
499 |
// // This verification needs to be checked before being enabled |
|
500 |
// interpreter_frame_verify_monitor(current); |
|
501 |
#endif |
|
502 |
BasicObjectLock* previous = (BasicObjectLock*) (((intptr_t*) current) - interpreter_frame_monitor_size()); |
|
503 |
return previous; |
|
504 |
} |
|
505 |
||
506 |
// Interpreter locals and expression stack locations. |
|
507 |
||
508 |
intptr_t* frame::interpreter_frame_local_at(int index) const { |
|
509 |
const int n = Interpreter::local_offset_in_bytes(index)/wordSize; |
|
510 |
return &((*interpreter_frame_locals_addr())[n]); |
|
511 |
} |
|
512 |
||
513 |
intptr_t* frame::interpreter_frame_expression_stack_at(jint offset) const { |
|
514 |
const int i = offset * interpreter_frame_expression_stack_direction(); |
|
5419 | 515 |
const int n = i * Interpreter::stackElementWords; |
1 | 516 |
return &(interpreter_frame_expression_stack()[n]); |
517 |
} |
|
518 |
||
519 |
jint frame::interpreter_frame_expression_stack_size() const { |
|
520 |
// Number of elements on the interpreter expression stack |
|
521 |
// Callers should span by stackElementWords |
|
5419 | 522 |
int element_size = Interpreter::stackElementWords; |
1 | 523 |
if (frame::interpreter_frame_expression_stack_direction() < 0) { |
524 |
return (interpreter_frame_expression_stack() - |
|
525 |
interpreter_frame_tos_address() + 1)/element_size; |
|
526 |
} else { |
|
527 |
return (interpreter_frame_tos_address() - |
|
528 |
interpreter_frame_expression_stack() + 1)/element_size; |
|
529 |
} |
|
530 |
} |
|
531 |
||
532 |
||
533 |
// (frame::interpreter_frame_sender_sp accessor is in frame_<arch>.cpp) |
|
534 |
||
535 |
const char* frame::print_name() const { |
|
536 |
if (is_native_frame()) return "Native"; |
|
537 |
if (is_interpreted_frame()) return "Interpreted"; |
|
538 |
if (is_compiled_frame()) { |
|
539 |
if (is_deoptimized_frame()) return "Deoptimized"; |
|
540 |
return "Compiled"; |
|
541 |
} |
|
542 |
if (sp() == NULL) return "Empty"; |
|
543 |
return "C"; |
|
544 |
} |
|
545 |
||
546 |
void frame::print_value_on(outputStream* st, JavaThread *thread) const { |
|
547 |
NOT_PRODUCT(address begin = pc()-40;) |
|
548 |
NOT_PRODUCT(address end = NULL;) |
|
549 |
||
550 |
st->print("%s frame (sp=" INTPTR_FORMAT " unextended sp=" INTPTR_FORMAT, print_name(), sp(), unextended_sp()); |
|
551 |
if (sp() != NULL) |
|
552 |
st->print(", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT, fp(), pc()); |
|
553 |
||
554 |
if (StubRoutines::contains(pc())) { |
|
555 |
st->print_cr(")"); |
|
556 |
st->print("("); |
|
557 |
StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); |
|
558 |
st->print("~Stub::%s", desc->name()); |
|
559 |
NOT_PRODUCT(begin = desc->begin(); end = desc->end();) |
|
560 |
} else if (Interpreter::contains(pc())) { |
|
561 |
st->print_cr(")"); |
|
562 |
st->print("("); |
|
563 |
InterpreterCodelet* desc = Interpreter::codelet_containing(pc()); |
|
564 |
if (desc != NULL) { |
|
565 |
st->print("~"); |
|
11636
3c07b54482a5
7141200: log some interesting information in ring buffers for crashes
never
parents:
11571
diff
changeset
|
566 |
desc->print_on(st); |
1 | 567 |
NOT_PRODUCT(begin = desc->code_begin(); end = desc->code_end();) |
568 |
} else { |
|
569 |
st->print("~interpreter"); |
|
570 |
} |
|
571 |
} |
|
572 |
st->print_cr(")"); |
|
573 |
||
574 |
if (_cb != NULL) { |
|
575 |
st->print(" "); |
|
576 |
_cb->print_value_on(st); |
|
577 |
st->cr(); |
|
578 |
#ifndef PRODUCT |
|
579 |
if (end == NULL) { |
|
6418 | 580 |
begin = _cb->code_begin(); |
581 |
end = _cb->code_end(); |
|
1 | 582 |
} |
583 |
#endif |
|
584 |
} |
|
585 |
NOT_PRODUCT(if (WizardMode && Verbose) Disassembler::decode(begin, end);) |
|
586 |
} |
|
587 |
||
588 |
||
589 |
void frame::print_on(outputStream* st) const { |
|
590 |
print_value_on(st,NULL); |
|
591 |
if (is_interpreted_frame()) { |
|
592 |
interpreter_frame_print_on(st); |
|
593 |
} |
|
594 |
} |
|
595 |
||
596 |
||
597 |
void frame::interpreter_frame_print_on(outputStream* st) const { |
|
598 |
#ifndef PRODUCT |
|
599 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
|
600 |
jint i; |
|
601 |
for (i = 0; i < interpreter_frame_method()->max_locals(); i++ ) { |
|
602 |
intptr_t x = *interpreter_frame_local_at(i); |
|
603 |
st->print(" - local [" INTPTR_FORMAT "]", x); |
|
604 |
st->fill_to(23); |
|
605 |
st->print_cr("; #%d", i); |
|
606 |
} |
|
607 |
for (i = interpreter_frame_expression_stack_size() - 1; i >= 0; --i ) { |
|
608 |
intptr_t x = *interpreter_frame_expression_stack_at(i); |
|
609 |
st->print(" - stack [" INTPTR_FORMAT "]", x); |
|
610 |
st->fill_to(23); |
|
611 |
st->print_cr("; #%d", i); |
|
612 |
} |
|
613 |
// locks for synchronization |
|
614 |
for (BasicObjectLock* current = interpreter_frame_monitor_end(); |
|
615 |
current < interpreter_frame_monitor_begin(); |
|
616 |
current = next_monitor_in_interpreter_frame(current)) { |
|
4896
88b4193b82b0
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kvn
parents:
4752
diff
changeset
|
617 |
st->print(" - obj ["); |
1 | 618 |
current->obj()->print_value_on(st); |
4896
88b4193b82b0
6925249: assert(last_sp < (intptr_t*) interpreter_frame_monitor_begin(),"bad tos")
kvn
parents:
4752
diff
changeset
|
619 |
st->print_cr("]"); |
88b4193b82b0
6925249: assert(last_sp < (intptr_t*) interpreter_frame_monitor_begin(),"bad tos")
kvn
parents:
4752
diff
changeset
|
620 |
st->print(" - lock ["); |
1 | 621 |
current->lock()->print_on(st); |
4896
88b4193b82b0
6925249: assert(last_sp < (intptr_t*) interpreter_frame_monitor_begin(),"bad tos")
kvn
parents:
4752
diff
changeset
|
622 |
st->print_cr("]"); |
1 | 623 |
} |
624 |
// monitor |
|
625 |
st->print_cr(" - monitor[" INTPTR_FORMAT "]", interpreter_frame_monitor_begin()); |
|
626 |
// bcp |
|
627 |
st->print(" - bcp [" INTPTR_FORMAT "]", interpreter_frame_bcp()); |
|
628 |
st->fill_to(23); |
|
629 |
st->print_cr("; @%d", interpreter_frame_bci()); |
|
630 |
// locals |
|
631 |
st->print_cr(" - locals [" INTPTR_FORMAT "]", interpreter_frame_local_at(0)); |
|
632 |
// method |
|
633 |
st->print(" - method [" INTPTR_FORMAT "]", (address)interpreter_frame_method()); |
|
634 |
st->fill_to(23); |
|
635 |
st->print("; "); |
|
636 |
interpreter_frame_method()->print_name(st); |
|
637 |
st->cr(); |
|
638 |
#endif |
|
639 |
} |
|
640 |
||
641 |
// Return whether the frame is in the VM or os indicating a Hotspot problem. |
|
642 |
// Otherwise, it's likely a bug in the native library that the Java code calls, |
|
643 |
// hopefully indicating where to submit bugs. |
|
644 |
static void print_C_frame(outputStream* st, char* buf, int buflen, address pc) { |
|
645 |
// C/C++ frame |
|
646 |
bool in_vm = os::address_is_in_vm(pc); |
|
647 |
st->print(in_vm ? "V" : "C"); |
|
648 |
||
649 |
int offset; |
|
650 |
bool found; |
|
651 |
||
652 |
// libname |
|
653 |
found = os::dll_address_to_library_name(pc, buf, buflen, &offset); |
|
654 |
if (found) { |
|
655 |
// skip directory names |
|
656 |
const char *p1, *p2; |
|
657 |
p1 = buf; |
|
658 |
int len = (int)strlen(os::file_separator()); |
|
659 |
while ((p2 = strstr(p1, os::file_separator())) != NULL) p1 = p2 + len; |
|
660 |
st->print(" [%s+0x%x]", p1, offset); |
|
661 |
} else { |
|
662 |
st->print(" " PTR_FORMAT, pc); |
|
663 |
} |
|
664 |
||
665 |
// function name - os::dll_address_to_function_name() may return confusing |
|
666 |
// names if pc is within jvm.dll or libjvm.so, because JVM only has |
|
667 |
// JVM_xxxx and a few other symbols in the dynamic symbol table. Do this |
|
668 |
// only for native libraries. |
|
7447
32c42d627f41
7003748: Decode C stack frames when symbols are presented (PhoneHome project)
zgu
parents:
7397
diff
changeset
|
669 |
if (!in_vm || Decoder::can_decode_C_frame_in_vm()) { |
1 | 670 |
found = os::dll_address_to_function_name(pc, buf, buflen, &offset); |
671 |
||
672 |
if (found) { |
|
673 |
st->print(" %s+0x%x", buf, offset); |
|
674 |
} |
|
675 |
} |
|
676 |
} |
|
677 |
||
678 |
// frame::print_on_error() is called by fatal error handler. Notice that we may |
|
679 |
// crash inside this function if stack frame is corrupted. The fatal error |
|
680 |
// handler can catch and handle the crash. Here we assume the frame is valid. |
|
681 |
// |
|
682 |
// First letter indicates type of the frame: |
|
683 |
// J: Java frame (compiled) |
|
684 |
// j: Java frame (interpreted) |
|
685 |
// V: VM frame (C/C++) |
|
686 |
// v: Other frames running VM generated code (e.g. stubs, adapters, etc.) |
|
687 |
// C: C/C++ frame |
|
688 |
// |
|
689 |
// We don't need detailed frame type as that in frame::print_name(). "C" |
|
690 |
// suggests the problem is in user lib; everything else is likely a VM bug. |
|
691 |
||
692 |
void frame::print_on_error(outputStream* st, char* buf, int buflen, bool verbose) const { |
|
693 |
if (_cb != NULL) { |
|
694 |
if (Interpreter::contains(pc())) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
695 |
Method* m = this->interpreter_frame_method(); |
1 | 696 |
if (m != NULL) { |
697 |
m->name_and_sig_as_C_string(buf, buflen); |
|
698 |
st->print("j %s", buf); |
|
699 |
st->print("+%d", this->interpreter_frame_bci()); |
|
700 |
} else { |
|
701 |
st->print("j " PTR_FORMAT, pc()); |
|
702 |
} |
|
703 |
} else if (StubRoutines::contains(pc())) { |
|
704 |
StubCodeDesc* desc = StubCodeDesc::desc_for(pc()); |
|
705 |
if (desc != NULL) { |
|
706 |
st->print("v ~StubRoutines::%s", desc->name()); |
|
707 |
} else { |
|
708 |
st->print("v ~StubRoutines::" PTR_FORMAT, pc()); |
|
709 |
} |
|
710 |
} else if (_cb->is_buffer_blob()) { |
|
711 |
st->print("v ~BufferBlob::%s", ((BufferBlob *)_cb)->name()); |
|
712 |
} else if (_cb->is_nmethod()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
713 |
Method* m = ((nmethod *)_cb)->method(); |
1 | 714 |
if (m != NULL) { |
715 |
m->name_and_sig_as_C_string(buf, buflen); |
|
716 |
st->print("J %s", buf); |
|
717 |
} else { |
|
718 |
st->print("J " PTR_FORMAT, pc()); |
|
719 |
} |
|
720 |
} else if (_cb->is_runtime_stub()) { |
|
721 |
st->print("v ~RuntimeStub::%s", ((RuntimeStub *)_cb)->name()); |
|
722 |
} else if (_cb->is_deoptimization_stub()) { |
|
723 |
st->print("v ~DeoptimizationBlob"); |
|
724 |
} else if (_cb->is_exception_stub()) { |
|
725 |
st->print("v ~ExceptionBlob"); |
|
726 |
} else if (_cb->is_safepoint_stub()) { |
|
727 |
st->print("v ~SafepointBlob"); |
|
728 |
} else { |
|
729 |
st->print("v blob " PTR_FORMAT, pc()); |
|
730 |
} |
|
731 |
} else { |
|
732 |
print_C_frame(st, buf, buflen, pc()); |
|
733 |
} |
|
734 |
} |
|
735 |
||
736 |
||
737 |
/* |
|
738 |
The interpreter_frame_expression_stack_at method in the case of SPARC needs the |
|
739 |
max_stack value of the method in order to compute the expression stack address. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
740 |
It uses the Method* in order to get the max_stack value but during GC this |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
741 |
Method* value saved on the frame is changed by reverse_and_push and hence cannot |
1 | 742 |
be used. So we save the max_stack value in the FrameClosure object and pass it |
743 |
down to the interpreter_frame_expression_stack_at method |
|
744 |
*/ |
|
745 |
class InterpreterFrameClosure : public OffsetClosure { |
|
746 |
private: |
|
747 |
frame* _fr; |
|
748 |
OopClosure* _f; |
|
749 |
int _max_locals; |
|
750 |
int _max_stack; |
|
751 |
||
752 |
public: |
|
753 |
InterpreterFrameClosure(frame* fr, int max_locals, int max_stack, |
|
754 |
OopClosure* f) { |
|
755 |
_fr = fr; |
|
756 |
_max_locals = max_locals; |
|
757 |
_max_stack = max_stack; |
|
758 |
_f = f; |
|
759 |
} |
|
760 |
||
761 |
void offset_do(int offset) { |
|
762 |
oop* addr; |
|
763 |
if (offset < _max_locals) { |
|
764 |
addr = (oop*) _fr->interpreter_frame_local_at(offset); |
|
765 |
assert((intptr_t*)addr >= _fr->sp(), "must be inside the frame"); |
|
766 |
_f->do_oop(addr); |
|
767 |
} else { |
|
768 |
addr = (oop*) _fr->interpreter_frame_expression_stack_at((offset - _max_locals)); |
|
769 |
// In case of exceptions, the expression stack is invalid and the esp will be reset to express |
|
770 |
// this condition. Therefore, we call f only if addr is 'inside' the stack (i.e., addr >= esp for Intel). |
|
771 |
bool in_stack; |
|
772 |
if (frame::interpreter_frame_expression_stack_direction() > 0) { |
|
773 |
in_stack = (intptr_t*)addr <= _fr->interpreter_frame_tos_address(); |
|
774 |
} else { |
|
775 |
in_stack = (intptr_t*)addr >= _fr->interpreter_frame_tos_address(); |
|
776 |
} |
|
777 |
if (in_stack) { |
|
778 |
_f->do_oop(addr); |
|
779 |
} |
|
780 |
} |
|
781 |
} |
|
782 |
||
783 |
int max_locals() { return _max_locals; } |
|
784 |
frame* fr() { return _fr; } |
|
785 |
}; |
|
786 |
||
787 |
||
788 |
class InterpretedArgumentOopFinder: public SignatureInfo { |
|
789 |
private: |
|
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
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diff
changeset
|
790 |
OopClosure* _f; // Closure to invoke |
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
791 |
int _offset; // TOS-relative offset, decremented with each argument |
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
792 |
bool _has_receiver; // true if the callee has a receiver |
1 | 793 |
frame* _fr; |
794 |
||
795 |
void set(int size, BasicType type) { |
|
796 |
_offset -= size; |
|
797 |
if (type == T_OBJECT || type == T_ARRAY) oop_offset_do(); |
|
798 |
} |
|
799 |
||
800 |
void oop_offset_do() { |
|
801 |
oop* addr; |
|
802 |
addr = (oop*)_fr->interpreter_frame_tos_at(_offset); |
|
803 |
_f->do_oop(addr); |
|
804 |
} |
|
805 |
||
806 |
public: |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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7913
diff
changeset
|
807 |
InterpretedArgumentOopFinder(Symbol* signature, bool has_receiver, frame* fr, OopClosure* f) : SignatureInfo(signature), _has_receiver(has_receiver) { |
1 | 808 |
// compute size of arguments |
4567
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6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
809 |
int args_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0); |
1 | 810 |
assert(!fr->is_interpreted_frame() || |
811 |
args_size <= fr->interpreter_frame_expression_stack_size(), |
|
812 |
"args cannot be on stack anymore"); |
|
813 |
// initialize InterpretedArgumentOopFinder |
|
814 |
_f = f; |
|
815 |
_fr = fr; |
|
816 |
_offset = args_size; |
|
817 |
} |
|
818 |
||
819 |
void oops_do() { |
|
4567
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6893268: additional dynamic language related optimizations in C2
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diff
changeset
|
820 |
if (_has_receiver) { |
1 | 821 |
--_offset; |
822 |
oop_offset_do(); |
|
823 |
} |
|
824 |
iterate_parameters(); |
|
825 |
} |
|
826 |
}; |
|
827 |
||
828 |
||
829 |
// Entry frame has following form (n arguments) |
|
830 |
// +-----------+ |
|
831 |
// sp -> | last arg | |
|
832 |
// +-----------+ |
|
833 |
// : ::: : |
|
834 |
// +-----------+ |
|
835 |
// (sp+n)->| first arg| |
|
836 |
// +-----------+ |
|
837 |
||
838 |
||
839 |
||
840 |
// visits and GC's all the arguments in entry frame |
|
841 |
class EntryFrameOopFinder: public SignatureInfo { |
|
842 |
private: |
|
843 |
bool _is_static; |
|
844 |
int _offset; |
|
845 |
frame* _fr; |
|
846 |
OopClosure* _f; |
|
847 |
||
848 |
void set(int size, BasicType type) { |
|
849 |
assert (_offset >= 0, "illegal offset"); |
|
850 |
if (type == T_OBJECT || type == T_ARRAY) oop_at_offset_do(_offset); |
|
851 |
_offset -= size; |
|
852 |
} |
|
853 |
||
854 |
void oop_at_offset_do(int offset) { |
|
5402
c51fd0c1d005
6888953: some calls to function-like macros are missing semicolons
jcoomes
parents:
4896
diff
changeset
|
855 |
assert (offset >= 0, "illegal offset"); |
1 | 856 |
oop* addr = (oop*) _fr->entry_frame_argument_at(offset); |
857 |
_f->do_oop(addr); |
|
858 |
} |
|
859 |
||
860 |
public: |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
861 |
EntryFrameOopFinder(frame* frame, Symbol* signature, bool is_static) : SignatureInfo(signature) { |
1 | 862 |
_f = NULL; // will be set later |
863 |
_fr = frame; |
|
864 |
_is_static = is_static; |
|
865 |
_offset = ArgumentSizeComputer(signature).size() - 1; // last parameter is at index 0 |
|
866 |
} |
|
867 |
||
868 |
void arguments_do(OopClosure* f) { |
|
869 |
_f = f; |
|
870 |
if (!_is_static) oop_at_offset_do(_offset+1); // do the receiver |
|
871 |
iterate_parameters(); |
|
872 |
} |
|
873 |
||
874 |
}; |
|
875 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
876 |
oop* frame::interpreter_callee_receiver_addr(Symbol* signature) { |
1 | 877 |
ArgumentSizeComputer asc(signature); |
878 |
int size = asc.size(); |
|
879 |
return (oop *)interpreter_frame_tos_at(size); |
|
880 |
} |
|
881 |
||
882 |
||
883 |
void frame::oops_interpreted_do(OopClosure* f, const RegisterMap* map, bool query_oop_map_cache) { |
|
884 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
|
885 |
assert(map != NULL, "map must be set"); |
|
886 |
Thread *thread = Thread::current(); |
|
887 |
methodHandle m (thread, interpreter_frame_method()); |
|
888 |
jint bci = interpreter_frame_bci(); |
|
889 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
890 |
assert(!Universe::heap()->is_in(m()), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
891 |
"must be valid oop"); |
1 | 892 |
assert(m->is_method(), "checking frame value"); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
893 |
assert((m->is_native() && bci == 0) || |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
894 |
(!m->is_native() && bci >= 0 && bci < m->code_size()), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
895 |
"invalid bci value"); |
1 | 896 |
|
897 |
// Handle the monitor elements in the activation |
|
898 |
for ( |
|
899 |
BasicObjectLock* current = interpreter_frame_monitor_end(); |
|
900 |
current < interpreter_frame_monitor_begin(); |
|
901 |
current = next_monitor_in_interpreter_frame(current) |
|
902 |
) { |
|
903 |
#ifdef ASSERT |
|
904 |
interpreter_frame_verify_monitor(current); |
|
905 |
#endif |
|
906 |
current->oops_do(f); |
|
907 |
} |
|
908 |
||
909 |
// process fixed part |
|
7109 | 910 |
#if !defined(PPC) || defined(ZERO) |
1 | 911 |
if (m->is_native()) { |
912 |
#ifdef CC_INTERP |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
913 |
interpreterState istate = get_interpreterState(); |
1 | 914 |
f->do_oop((oop*)&istate->_oop_temp); |
915 |
#else |
|
916 |
f->do_oop((oop*)( fp() + interpreter_frame_oop_temp_offset )); |
|
917 |
#endif /* CC_INTERP */ |
|
918 |
} |
|
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5547
diff
changeset
|
919 |
#else // PPC |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5547
diff
changeset
|
920 |
if (m->is_native() && m->is_static()) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5547
diff
changeset
|
921 |
f->do_oop(interpreter_frame_mirror_addr()); |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5547
diff
changeset
|
922 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5547
diff
changeset
|
923 |
#endif // PPC |
1 | 924 |
|
925 |
int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); |
|
926 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
927 |
Symbol* signature = NULL; |
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
928 |
bool has_receiver = false; |
1 | 929 |
|
930 |
// Process a callee's arguments if we are at a call site |
|
931 |
// (i.e., if we are at an invoke bytecode) |
|
932 |
// This is used sometimes for calling into the VM, not for another |
|
933 |
// interpreted or compiled frame. |
|
934 |
if (!m->is_native()) { |
|
7913 | 935 |
Bytecode_invoke call = Bytecode_invoke_check(m, bci); |
936 |
if (call.is_valid()) { |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
937 |
signature = call.signature(); |
7913 | 938 |
has_receiver = call.has_receiver(); |
1 | 939 |
if (map->include_argument_oops() && |
940 |
interpreter_frame_expression_stack_size() > 0) { |
|
941 |
ResourceMark rm(thread); // is this right ??? |
|
942 |
// we are at a call site & the expression stack is not empty |
|
943 |
// => process callee's arguments |
|
944 |
// |
|
945 |
// Note: The expression stack can be empty if an exception |
|
2131 | 946 |
// occurred during method resolution/execution. In all |
1 | 947 |
// cases we empty the expression stack completely be- |
948 |
// fore handling the exception (the exception handling |
|
949 |
// code in the interpreter calls a blocking runtime |
|
950 |
// routine which can cause this code to be executed). |
|
951 |
// (was bug gri 7/27/98) |
|
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
952 |
oops_interpreted_arguments_do(signature, has_receiver, f); |
1 | 953 |
} |
954 |
} |
|
955 |
} |
|
956 |
||
5419 | 957 |
InterpreterFrameClosure blk(this, max_locals, m->max_stack(), f); |
958 |
||
959 |
// process locals & expression stack |
|
960 |
InterpreterOopMap mask; |
|
961 |
if (query_oop_map_cache) { |
|
962 |
m->mask_for(bci, &mask); |
|
1 | 963 |
} else { |
5419 | 964 |
OopMapCache::compute_one_oop_map(m, bci, &mask); |
1 | 965 |
} |
5419 | 966 |
mask.iterate_oop(&blk); |
1 | 967 |
} |
968 |
||
969 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
970 |
void frame::oops_interpreted_arguments_do(Symbol* signature, bool has_receiver, OopClosure* f) { |
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
971 |
InterpretedArgumentOopFinder finder(signature, has_receiver, this, f); |
1 | 972 |
finder.oops_do(); |
973 |
} |
|
974 |
||
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
2131
diff
changeset
|
975 |
void frame::oops_code_blob_do(OopClosure* f, CodeBlobClosure* cf, const RegisterMap* reg_map) { |
1 | 976 |
assert(_cb != NULL, "sanity check"); |
977 |
if (_cb->oop_maps() != NULL) { |
|
978 |
OopMapSet::oops_do(this, reg_map, f); |
|
979 |
||
980 |
// Preserve potential arguments for a callee. We handle this by dispatching |
|
981 |
// on the codeblob. For c2i, we do |
|
982 |
if (reg_map->include_argument_oops()) { |
|
983 |
_cb->preserve_callee_argument_oops(*this, reg_map, f); |
|
984 |
} |
|
985 |
} |
|
986 |
// In cases where perm gen is collected, GC will want to mark |
|
987 |
// oops referenced from nmethods active on thread stacks so as to |
|
988 |
// prevent them from being collected. However, this visit should be |
|
989 |
// restricted to certain phases of the collection only. The |
|
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
2131
diff
changeset
|
990 |
// closure decides how it wants nmethods to be traced. |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
2131
diff
changeset
|
991 |
if (cf != NULL) |
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
2131
diff
changeset
|
992 |
cf->do_code_blob(_cb); |
1 | 993 |
} |
994 |
||
995 |
class CompiledArgumentOopFinder: public SignatureInfo { |
|
996 |
protected: |
|
997 |
OopClosure* _f; |
|
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
998 |
int _offset; // the current offset, incremented with each argument |
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
999 |
bool _has_receiver; // true if the callee has a receiver |
1 | 1000 |
frame _fr; |
1001 |
RegisterMap* _reg_map; |
|
1002 |
int _arg_size; |
|
1003 |
VMRegPair* _regs; // VMReg list of arguments |
|
1004 |
||
1005 |
void set(int size, BasicType type) { |
|
1006 |
if (type == T_OBJECT || type == T_ARRAY) handle_oop_offset(); |
|
1007 |
_offset += size; |
|
1008 |
} |
|
1009 |
||
1010 |
virtual void handle_oop_offset() { |
|
1011 |
// Extract low order register number from register array. |
|
1012 |
// In LP64-land, the high-order bits are valid but unhelpful. |
|
1013 |
VMReg reg = _regs[_offset].first(); |
|
1014 |
oop *loc = _fr.oopmapreg_to_location(reg, _reg_map); |
|
1015 |
_f->do_oop(loc); |
|
1016 |
} |
|
1017 |
||
1018 |
public: |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1019 |
CompiledArgumentOopFinder(Symbol* signature, bool has_receiver, OopClosure* f, frame fr, const RegisterMap* reg_map) |
1 | 1020 |
: SignatureInfo(signature) { |
1021 |
||
1022 |
// initialize CompiledArgumentOopFinder |
|
1023 |
_f = f; |
|
1024 |
_offset = 0; |
|
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
1025 |
_has_receiver = has_receiver; |
1 | 1026 |
_fr = fr; |
1027 |
_reg_map = (RegisterMap*)reg_map; |
|
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
1028 |
_arg_size = ArgumentSizeComputer(signature).size() + (has_receiver ? 1 : 0); |
1 | 1029 |
|
1030 |
int arg_size; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1031 |
_regs = SharedRuntime::find_callee_arguments(signature, has_receiver, &arg_size); |
1 | 1032 |
assert(arg_size == _arg_size, "wrong arg size"); |
1033 |
} |
|
1034 |
||
1035 |
void oops_do() { |
|
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
1036 |
if (_has_receiver) { |
1 | 1037 |
handle_oop_offset(); |
1038 |
_offset++; |
|
1039 |
} |
|
1040 |
iterate_parameters(); |
|
1041 |
} |
|
1042 |
}; |
|
1043 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1044 |
void frame::oops_compiled_arguments_do(Symbol* signature, bool has_receiver, const RegisterMap* reg_map, OopClosure* f) { |
1 | 1045 |
ResourceMark rm; |
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
3908
diff
changeset
|
1046 |
CompiledArgumentOopFinder finder(signature, has_receiver, f, *this, reg_map); |
1 | 1047 |
finder.oops_do(); |
1048 |
} |
|
1049 |
||
1050 |
||
1051 |
// Get receiver out of callers frame, i.e. find parameter 0 in callers |
|
1052 |
// frame. Consult ADLC for where parameter 0 is to be found. Then |
|
1053 |
// check local reg_map for it being a callee-save register or argument |
|
1054 |
// register, both of which are saved in the local frame. If not found |
|
1055 |
// there, it must be an in-stack argument of the caller. |
|
1056 |
// Note: caller.sp() points to callee-arguments |
|
1057 |
oop frame::retrieve_receiver(RegisterMap* reg_map) { |
|
1058 |
frame caller = *this; |
|
1059 |
||
1060 |
// First consult the ADLC on where it puts parameter 0 for this signature. |
|
1061 |
VMReg reg = SharedRuntime::name_for_receiver(); |
|
1062 |
oop r = *caller.oopmapreg_to_location(reg, reg_map); |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
11636
diff
changeset
|
1063 |
assert(Universe::heap()->is_in_or_null(r), err_msg("bad receiver: " INTPTR_FORMAT " (" INTX_FORMAT ")", (intptr_t) r, (intptr_t) r)); |
1 | 1064 |
return r; |
1065 |
} |
|
1066 |
||
1067 |
||
1068 |
oop* frame::oopmapreg_to_location(VMReg reg, const RegisterMap* reg_map) const { |
|
1069 |
if(reg->is_reg()) { |
|
1070 |
// If it is passed in a register, it got spilled in the stub frame. |
|
1071 |
return (oop *)reg_map->location(reg); |
|
1072 |
} else { |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1073 |
int sp_offset_in_bytes = reg->reg2stack() * VMRegImpl::stack_slot_size; |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1074 |
return (oop*)(((address)unextended_sp()) + sp_offset_in_bytes); |
1 | 1075 |
} |
1076 |
} |
|
1077 |
||
7444 | 1078 |
BasicLock* frame::get_native_monitor() { |
1079 |
nmethod* nm = (nmethod*)_cb; |
|
1080 |
assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), |
|
1081 |
"Should not call this unless it's a native nmethod"); |
|
1082 |
int byte_offset = in_bytes(nm->native_basic_lock_sp_offset()); |
|
1 | 1083 |
assert(byte_offset >= 0, "should not see invalid offset"); |
1084 |
return (BasicLock*) &sp()[byte_offset / wordSize]; |
|
1085 |
} |
|
1086 |
||
7444 | 1087 |
oop frame::get_native_receiver() { |
1088 |
nmethod* nm = (nmethod*)_cb; |
|
1089 |
assert(_cb != NULL && _cb->is_nmethod() && nm->method()->is_native(), |
|
1090 |
"Should not call this unless it's a native nmethod"); |
|
1091 |
int byte_offset = in_bytes(nm->native_receiver_sp_offset()); |
|
1 | 1092 |
assert(byte_offset >= 0, "should not see invalid offset"); |
1093 |
oop owner = ((oop*) sp())[byte_offset / wordSize]; |
|
1094 |
assert( Universe::heap()->is_in(owner), "bad receiver" ); |
|
1095 |
return owner; |
|
1096 |
} |
|
1097 |
||
1098 |
void frame::oops_entry_do(OopClosure* f, const RegisterMap* map) { |
|
1099 |
assert(map != NULL, "map must be set"); |
|
1100 |
if (map->include_argument_oops()) { |
|
1101 |
// must collect argument oops, as nobody else is doing it |
|
1102 |
Thread *thread = Thread::current(); |
|
1103 |
methodHandle m (thread, entry_frame_call_wrapper()->callee_method()); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1104 |
EntryFrameOopFinder finder(this, m->signature(), m->is_static()); |
1 | 1105 |
finder.arguments_do(f); |
1106 |
} |
|
1107 |
// Traverse the Handle Block saved in the entry frame |
|
1108 |
entry_frame_call_wrapper()->oops_do(f); |
|
1109 |
} |
|
1110 |
||
1111 |
||
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
2131
diff
changeset
|
1112 |
void frame::oops_do_internal(OopClosure* f, CodeBlobClosure* cf, RegisterMap* map, bool use_interpreter_oop_map_cache) { |
4489
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1113 |
#ifndef PRODUCT |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1114 |
// simulate GC crash here to dump java thread in error report |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1115 |
if (CrashGCForDumpingJavaThread) { |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1116 |
char *t = NULL; |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1117 |
*t = 'c'; |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1118 |
} |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1119 |
#endif |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1120 |
if (is_interpreted_frame()) { |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1121 |
oops_interpreted_do(f, map, use_interpreter_oop_map_cache); |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1122 |
} else if (is_entry_frame()) { |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1123 |
oops_entry_do(f, map); |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1124 |
} else if (CodeCache::contains(pc())) { |
514173c9a0c2
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
3908
diff
changeset
|
1125 |
oops_code_blob_do(f, cf, map); |
6187 | 1126 |
#ifdef SHARK |
1127 |
} else if (is_fake_stub_frame()) { |
|
1128 |
// nothing to do |
|
1129 |
#endif // SHARK |
|
1 | 1130 |
} else { |
1131 |
ShouldNotReachHere(); |
|
1132 |
} |
|
1133 |
} |
|
1134 |
||
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
2131
diff
changeset
|
1135 |
void frame::nmethods_do(CodeBlobClosure* cf) { |
1 | 1136 |
if (_cb != NULL && _cb->is_nmethod()) { |
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
2131
diff
changeset
|
1137 |
cf->do_code_blob(_cb); |
1 | 1138 |
} |
1139 |
} |
|
1140 |
||
1141 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1142 |
// call f() on the interpreted Method*s in the stack. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1143 |
// Have to walk the entire code cache for the compiled frames Yuck. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1144 |
void frame::metadata_do(void f(Metadata*)) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1145 |
if (_cb != NULL && Interpreter::contains(pc())) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1146 |
Method* m = this->interpreter_frame_method(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1147 |
assert(m != NULL, "huh?"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1148 |
f(m); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1149 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1150 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1151 |
|
1 | 1152 |
void frame::gc_prologue() { |
1153 |
if (is_interpreted_frame()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1154 |
// set bcx to bci to become Method* position independent during GC |
1 | 1155 |
interpreter_frame_set_bcx(interpreter_frame_bci()); |
1156 |
} |
|
1157 |
} |
|
1158 |
||
1159 |
||
1160 |
void frame::gc_epilogue() { |
|
1161 |
if (is_interpreted_frame()) { |
|
1162 |
// set bcx back to bcp for interpreter |
|
1163 |
interpreter_frame_set_bcx((intptr_t)interpreter_frame_bcp()); |
|
1164 |
} |
|
1165 |
// call processor specific epilog function |
|
1166 |
pd_gc_epilog(); |
|
1167 |
} |
|
1168 |
||
1169 |
||
1170 |
# ifdef ENABLE_ZAP_DEAD_LOCALS |
|
1171 |
||
1172 |
void frame::CheckValueClosure::do_oop(oop* p) { |
|
1173 |
if (CheckOopishValues && Universe::heap()->is_in_reserved(*p)) { |
|
1174 |
warning("value @ " INTPTR_FORMAT " looks oopish (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); |
|
1175 |
} |
|
1176 |
} |
|
1177 |
frame::CheckValueClosure frame::_check_value; |
|
1178 |
||
1179 |
||
1180 |
void frame::CheckOopClosure::do_oop(oop* p) { |
|
1181 |
if (*p != NULL && !(*p)->is_oop()) { |
|
1182 |
warning("value @ " INTPTR_FORMAT " should be an oop (" INTPTR_FORMAT ") (thread = " INTPTR_FORMAT ")", p, (address)*p, Thread::current()); |
|
1183 |
} |
|
1184 |
} |
|
1185 |
frame::CheckOopClosure frame::_check_oop; |
|
1186 |
||
1187 |
void frame::check_derived_oop(oop* base, oop* derived) { |
|
1188 |
_check_oop.do_oop(base); |
|
1189 |
} |
|
1190 |
||
1191 |
||
1192 |
void frame::ZapDeadClosure::do_oop(oop* p) { |
|
1193 |
if (TraceZapDeadLocals) tty->print_cr("zapping @ " INTPTR_FORMAT " containing " INTPTR_FORMAT, p, (address)*p); |
|
1194 |
// Need cast because on _LP64 the conversion to oop is ambiguous. Constant |
|
1195 |
// can be either long or int. |
|
1196 |
*p = (oop)(int)0xbabebabe; |
|
1197 |
} |
|
1198 |
frame::ZapDeadClosure frame::_zap_dead; |
|
1199 |
||
1200 |
void frame::zap_dead_locals(JavaThread* thread, const RegisterMap* map) { |
|
1201 |
assert(thread == Thread::current(), "need to synchronize to do this to another thread"); |
|
1202 |
// Tracing - part 1 |
|
1203 |
if (TraceZapDeadLocals) { |
|
1204 |
ResourceMark rm(thread); |
|
1205 |
tty->print_cr("--------------------------------------------------------------------------------"); |
|
1206 |
tty->print("Zapping dead locals in "); |
|
1207 |
print_on(tty); |
|
1208 |
tty->cr(); |
|
1209 |
} |
|
1210 |
// Zapping |
|
1211 |
if (is_entry_frame ()) zap_dead_entry_locals (thread, map); |
|
1212 |
else if (is_interpreted_frame()) zap_dead_interpreted_locals(thread, map); |
|
1213 |
else if (is_compiled_frame()) zap_dead_compiled_locals (thread, map); |
|
1214 |
||
1215 |
else |
|
1216 |
// could be is_runtime_frame |
|
1217 |
// so remove error: ShouldNotReachHere(); |
|
1218 |
; |
|
1219 |
// Tracing - part 2 |
|
1220 |
if (TraceZapDeadLocals) { |
|
1221 |
tty->cr(); |
|
1222 |
} |
|
1223 |
} |
|
1224 |
||
1225 |
||
1226 |
void frame::zap_dead_interpreted_locals(JavaThread *thread, const RegisterMap* map) { |
|
1227 |
// get current interpreter 'pc' |
|
1228 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1229 |
Method* m = interpreter_frame_method(); |
1 | 1230 |
int bci = interpreter_frame_bci(); |
1231 |
||
1232 |
int max_locals = m->is_native() ? m->size_of_parameters() : m->max_locals(); |
|
1233 |
||
5419 | 1234 |
// process dynamic part |
1235 |
InterpreterFrameClosure value_blk(this, max_locals, m->max_stack(), |
|
1236 |
&_check_value); |
|
1237 |
InterpreterFrameClosure oop_blk(this, max_locals, m->max_stack(), |
|
1238 |
&_check_oop ); |
|
1239 |
InterpreterFrameClosure dead_blk(this, max_locals, m->max_stack(), |
|
1240 |
&_zap_dead ); |
|
1 | 1241 |
|
5419 | 1242 |
// get frame map |
1243 |
InterpreterOopMap mask; |
|
1244 |
m->mask_for(bci, &mask); |
|
1245 |
mask.iterate_all( &oop_blk, &value_blk, &dead_blk); |
|
1 | 1246 |
} |
1247 |
||
1248 |
||
1249 |
void frame::zap_dead_compiled_locals(JavaThread* thread, const RegisterMap* reg_map) { |
|
1250 |
||
1251 |
ResourceMark rm(thread); |
|
1252 |
assert(_cb != NULL, "sanity check"); |
|
1253 |
if (_cb->oop_maps() != NULL) { |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1254 |
OopMapSet::all_do(this, reg_map, &_check_oop, check_derived_oop, &_check_value); |
1 | 1255 |
} |
1256 |
} |
|
1257 |
||
1258 |
||
1259 |
void frame::zap_dead_entry_locals(JavaThread*, const RegisterMap*) { |
|
1260 |
if (TraceZapDeadLocals) warning("frame::zap_dead_entry_locals unimplemented"); |
|
1261 |
} |
|
1262 |
||
1263 |
||
1264 |
void frame::zap_dead_deoptimized_locals(JavaThread*, const RegisterMap*) { |
|
1265 |
if (TraceZapDeadLocals) warning("frame::zap_dead_deoptimized_locals unimplemented"); |
|
1266 |
} |
|
1267 |
||
1268 |
# endif // ENABLE_ZAP_DEAD_LOCALS |
|
1269 |
||
1270 |
void frame::verify(const RegisterMap* map) { |
|
1271 |
// for now make sure receiver type is correct |
|
1272 |
if (is_interpreted_frame()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1273 |
Method* method = interpreter_frame_method(); |
1 | 1274 |
guarantee(method->is_method(), "method is wrong in frame::verify"); |
1275 |
if (!method->is_static()) { |
|
1276 |
// fetch the receiver |
|
1277 |
oop* p = (oop*) interpreter_frame_local_at(0); |
|
1278 |
// make sure we have the right receiver type |
|
1279 |
} |
|
1280 |
} |
|
1281 |
COMPILER2_PRESENT(assert(DerivedPointerTable::is_empty(), "must be empty before verify");) |
|
3908
24b55ad4c228
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
2131
diff
changeset
|
1282 |
oops_do_internal(&VerifyOopClosure::verify_oop, NULL, (RegisterMap*)map, false); |
1 | 1283 |
} |
1284 |
||
1285 |
||
1286 |
#ifdef ASSERT |
|
1287 |
bool frame::verify_return_pc(address x) { |
|
1288 |
if (StubRoutines::returns_to_call_stub(x)) { |
|
1289 |
return true; |
|
1290 |
} |
|
1291 |
if (CodeCache::contains(x)) { |
|
1292 |
return true; |
|
1293 |
} |
|
1294 |
if (Interpreter::contains(x)) { |
|
1295 |
return true; |
|
1296 |
} |
|
1297 |
return false; |
|
1298 |
} |
|
1299 |
#endif |
|
1300 |
||
1301 |
#ifdef ASSERT |
|
1302 |
void frame::interpreter_frame_verify_monitor(BasicObjectLock* value) const { |
|
1303 |
assert(is_interpreted_frame(), "Not an interpreted frame"); |
|
1304 |
// verify that the value is in the right part of the frame |
|
1305 |
address low_mark = (address) interpreter_frame_monitor_end(); |
|
1306 |
address high_mark = (address) interpreter_frame_monitor_begin(); |
|
1307 |
address current = (address) value; |
|
1308 |
||
1309 |
const int monitor_size = frame::interpreter_frame_monitor_size(); |
|
1310 |
guarantee((high_mark - current) % monitor_size == 0 , "Misaligned top of BasicObjectLock*"); |
|
1311 |
guarantee( high_mark > current , "Current BasicObjectLock* higher than high_mark"); |
|
1312 |
||
1313 |
guarantee((current - low_mark) % monitor_size == 0 , "Misaligned bottom of BasicObjectLock*"); |
|
1314 |
guarantee( current >= low_mark , "Current BasicObjectLock* below than low_mark"); |
|
1315 |
} |
|
11571
23f825a42a85
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
11565
diff
changeset
|
1316 |
#endif |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1317 |
|
11571
23f825a42a85
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
11565
diff
changeset
|
1318 |
#ifndef PRODUCT |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1319 |
void frame::describe(FrameValues& values, int frame_no) { |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1320 |
// boundaries: sp and the 'real' frame pointer |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1321 |
values.describe(-1, sp(), err_msg("sp for #%d", frame_no), 1); |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1322 |
intptr_t* frame_pointer = real_fp(); // Note: may differ from fp() |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1323 |
|
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1324 |
// print frame info at the highest boundary |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1325 |
intptr_t* info_address = MAX2(sp(), frame_pointer); |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1326 |
|
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1327 |
if (info_address != frame_pointer) { |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1328 |
// print frame_pointer explicitly if not marked by the frame info |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1329 |
values.describe(-1, frame_pointer, err_msg("frame pointer for #%d", frame_no), 1); |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1330 |
} |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1331 |
|
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1332 |
if (is_entry_frame() || is_compiled_frame() || is_interpreted_frame() || is_native_frame()) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1333 |
// Label values common to most frames |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1334 |
values.describe(-1, unextended_sp(), err_msg("unextended_sp for #%d", frame_no)); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1335 |
} |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1336 |
|
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1337 |
if (is_interpreted_frame()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1338 |
Method* m = interpreter_frame_method(); |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1339 |
int bci = interpreter_frame_bci(); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1340 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1341 |
// Label the method and current bci |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1342 |
values.describe(-1, info_address, |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1343 |
FormatBuffer<1024>("#%d method %s @ %d", frame_no, m->name_and_sig_as_C_string(), bci), 2); |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1344 |
values.describe(-1, info_address, |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1345 |
err_msg("- %d locals %d max stack", m->max_locals(), m->max_stack()), 1); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1346 |
if (m->max_locals() > 0) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1347 |
intptr_t* l0 = interpreter_frame_local_at(0); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1348 |
intptr_t* ln = interpreter_frame_local_at(m->max_locals() - 1); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1349 |
values.describe(-1, MAX2(l0, ln), err_msg("locals for #%d", frame_no), 1); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1350 |
// Report each local and mark as owned by this frame |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1351 |
for (int l = 0; l < m->max_locals(); l++) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1352 |
intptr_t* l0 = interpreter_frame_local_at(l); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1353 |
values.describe(frame_no, l0, err_msg("local %d", l)); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1354 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1355 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1356 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1357 |
// Compute the actual expression stack size |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1358 |
InterpreterOopMap mask; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1359 |
OopMapCache::compute_one_oop_map(m, bci, &mask); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1360 |
intptr_t* tos = NULL; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1361 |
// Report each stack element and mark as owned by this frame |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1362 |
for (int e = 0; e < mask.expression_stack_size(); e++) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1363 |
tos = MAX2(tos, interpreter_frame_expression_stack_at(e)); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1364 |
values.describe(frame_no, interpreter_frame_expression_stack_at(e), |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1365 |
err_msg("stack %d", e)); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1366 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1367 |
if (tos != NULL) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1368 |
values.describe(-1, tos, err_msg("expression stack for #%d", frame_no), 1); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1369 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1370 |
if (interpreter_frame_monitor_begin() != interpreter_frame_monitor_end()) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1371 |
values.describe(frame_no, (intptr_t*)interpreter_frame_monitor_begin(), "monitors begin"); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1372 |
values.describe(frame_no, (intptr_t*)interpreter_frame_monitor_end(), "monitors end"); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1373 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1374 |
} else if (is_entry_frame()) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1375 |
// For now just label the frame |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1376 |
values.describe(-1, info_address, err_msg("#%d entry frame", frame_no), 2); |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1377 |
} else if (is_compiled_frame()) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1378 |
// For now just label the frame |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1379 |
nmethod* nm = cb()->as_nmethod_or_null(); |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1380 |
values.describe(-1, info_address, |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1381 |
FormatBuffer<1024>("#%d nmethod " INTPTR_FORMAT " for method %s%s", frame_no, |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1382 |
nm, nm->method()->name_and_sig_as_C_string(), |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1383 |
(_deopt_state == is_deoptimized) ? |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1384 |
" (deoptimized)" : |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1385 |
((_deopt_state == unknown) ? " (state unknown)" : "")), |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1386 |
2); |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1387 |
} else if (is_native_frame()) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1388 |
// For now just label the frame |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1389 |
nmethod* nm = cb()->as_nmethod_or_null(); |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1390 |
values.describe(-1, info_address, |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1391 |
FormatBuffer<1024>("#%d nmethod " INTPTR_FORMAT " for native method %s", frame_no, |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1392 |
nm, nm->method()->name_and_sig_as_C_string()), 2); |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1393 |
} else { |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1394 |
// provide default info if not handled before |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1395 |
char *info = (char *) "special frame"; |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1396 |
if ((_cb != NULL) && |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1397 |
(_cb->name() != NULL)) { |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1398 |
info = (char *)_cb->name(); |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1399 |
} |
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1400 |
values.describe(-1, info_address, err_msg("#%d <%s>", frame_no, info), 2); |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1401 |
} |
11565
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1402 |
|
713a0398ca58
7120450: complete information dumped by frame_describe
bdelsart
parents:
11486
diff
changeset
|
1403 |
// platform dependent additional data |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1404 |
describe_pd(values, frame_no); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1405 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1406 |
|
1 | 1407 |
#endif |
1408 |
||
1409 |
||
1410 |
//----------------------------------------------------------------------------------- |
|
1411 |
// StackFrameStream implementation |
|
1412 |
||
1413 |
StackFrameStream::StackFrameStream(JavaThread *thread, bool update) : _reg_map(thread, update) { |
|
1414 |
assert(thread->has_last_Java_frame(), "sanity check"); |
|
1415 |
_fr = thread->last_frame(); |
|
1416 |
_is_done = false; |
|
1417 |
} |
|
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1418 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1419 |
|
11571
23f825a42a85
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
11565
diff
changeset
|
1420 |
#ifndef PRODUCT |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1421 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1422 |
void FrameValues::describe(int owner, intptr_t* location, const char* description, int priority) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1423 |
FrameValue fv; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1424 |
fv.location = location; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1425 |
fv.owner = owner; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1426 |
fv.priority = priority; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1427 |
fv.description = NEW_RESOURCE_ARRAY(char, strlen(description) + 1); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1428 |
strcpy(fv.description, description); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1429 |
_values.append(fv); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1430 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1431 |
|
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1432 |
|
11571
23f825a42a85
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
11565
diff
changeset
|
1433 |
#ifdef ASSERT |
9632
cd86c748c12b
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
9630
diff
changeset
|
1434 |
void FrameValues::validate() { |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1435 |
_values.sort(compare); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1436 |
bool error = false; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1437 |
FrameValue prev; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1438 |
prev.owner = -1; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1439 |
for (int i = _values.length() - 1; i >= 0; i--) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1440 |
FrameValue fv = _values.at(i); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1441 |
if (fv.owner == -1) continue; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1442 |
if (prev.owner == -1) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1443 |
prev = fv; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1444 |
continue; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1445 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1446 |
if (prev.location == fv.location) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1447 |
if (fv.owner != prev.owner) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1448 |
tty->print_cr("overlapping storage"); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1449 |
tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT " %s", prev.location, *prev.location, prev.description); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1450 |
tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT " %s", fv.location, *fv.location, fv.description); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1451 |
error = true; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1452 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1453 |
} else { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1454 |
prev = fv; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1455 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1456 |
} |
9632
cd86c748c12b
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
9630
diff
changeset
|
1457 |
assert(!error, "invalid layout"); |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1458 |
} |
11571
23f825a42a85
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
11565
diff
changeset
|
1459 |
#endif // ASSERT |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1460 |
|
10966
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1461 |
void FrameValues::print(JavaThread* thread) { |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1462 |
_values.sort(compare); |
9636
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1463 |
|
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1464 |
// Sometimes values like the fp can be invalid values if the |
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1465 |
// register map wasn't updated during the walk. Trim out values |
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1466 |
// that aren't actually in the stack of the thread. |
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1467 |
int min_index = 0; |
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1468 |
int max_index = _values.length() - 1; |
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1469 |
intptr_t* v0 = _values.at(min_index).location; |
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1470 |
intptr_t* v1 = _values.at(max_index).location; |
10966
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1471 |
|
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1472 |
if (thread == Thread::current()) { |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1473 |
while (!thread->is_in_stack((address)v0)) { |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1474 |
v0 = _values.at(++min_index).location; |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1475 |
} |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1476 |
while (!thread->is_in_stack((address)v1)) { |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1477 |
v1 = _values.at(--max_index).location; |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1478 |
} |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1479 |
} else { |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1480 |
while (!thread->on_local_stack((address)v0)) { |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1481 |
v0 = _values.at(++min_index).location; |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1482 |
} |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1483 |
while (!thread->on_local_stack((address)v1)) { |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1484 |
v1 = _values.at(--max_index).location; |
0c9ed2dfc6a2
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
9636
diff
changeset
|
1485 |
} |
9636
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1486 |
} |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1487 |
intptr_t* min = MIN2(v0, v1); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1488 |
intptr_t* max = MAX2(v0, v1); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1489 |
intptr_t* cur = max; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1490 |
intptr_t* last = NULL; |
9636
363ca5579aff
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
9632
diff
changeset
|
1491 |
for (int i = max_index; i >= min_index; i--) { |
9437
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1492 |
FrameValue fv = _values.at(i); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1493 |
while (cur > fv.location) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1494 |
tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT, cur, *cur); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1495 |
cur--; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1496 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1497 |
if (last == fv.location) { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1498 |
const char* spacer = " " LP64_ONLY(" "); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1499 |
tty->print_cr(" %s %s %s", spacer, spacer, fv.description); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1500 |
} else { |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1501 |
tty->print_cr(" " INTPTR_FORMAT ": " INTPTR_FORMAT " %s", fv.location, *fv.location, fv.description); |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1502 |
last = fv.location; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1503 |
cur--; |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1504 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1505 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1506 |
} |
9981851b4b8c
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
8107
diff
changeset
|
1507 |
|
11571
23f825a42a85
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
11565
diff
changeset
|
1508 |
#endif // ndef PRODUCT |