Mercurial > hg > truffle
annotate src/cpu/sparc/vm/frame_sparc.cpp @ 14676:d3f14809b051
8036146: make CPP interpreter build again
Summary: fix build of CPP interpreter on x86 and sparc
Reviewed-by: kvn
| author | roland |
|---|---|
| date | Wed, 05 Mar 2014 15:14:25 +0100 |
| parents | 190899198332 |
| children | 92aa6797d639 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 9152 | 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "interpreter/interpreter.hpp" | |
| 27 #include "memory/resourceArea.hpp" | |
| 28 #include "oops/markOop.hpp" | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
29 #include "oops/method.hpp" |
| 1972 | 30 #include "oops/oop.inline.hpp" |
| 4868 | 31 #include "prims/methodHandles.hpp" |
| 1972 | 32 #include "runtime/frame.inline.hpp" |
| 33 #include "runtime/handles.inline.hpp" | |
| 34 #include "runtime/javaCalls.hpp" | |
| 35 #include "runtime/monitorChunk.hpp" | |
| 36 #include "runtime/signature.hpp" | |
| 37 #include "runtime/stubCodeGenerator.hpp" | |
| 38 #include "runtime/stubRoutines.hpp" | |
| 39 #include "vmreg_sparc.inline.hpp" | |
| 40 #ifdef COMPILER1 | |
| 41 #include "c1/c1_Runtime1.hpp" | |
| 42 #include "runtime/vframeArray.hpp" | |
| 43 #endif | |
| 0 | 44 |
| 45 void RegisterMap::pd_clear() { | |
| 46 if (_thread->has_last_Java_frame()) { | |
| 47 frame fr = _thread->last_frame(); | |
| 48 _window = fr.sp(); | |
| 49 } else { | |
| 50 _window = NULL; | |
| 51 } | |
| 52 _younger_window = NULL; | |
| 53 } | |
| 54 | |
| 55 | |
| 56 // Unified register numbering scheme: each 32-bits counts as a register | |
| 57 // number, so all the V9 registers take 2 slots. | |
| 58 const static int R_L_nums[] = {0+040,2+040,4+040,6+040,8+040,10+040,12+040,14+040}; | |
| 59 const static int R_I_nums[] = {0+060,2+060,4+060,6+060,8+060,10+060,12+060,14+060}; | |
| 60 const static int R_O_nums[] = {0+020,2+020,4+020,6+020,8+020,10+020,12+020,14+020}; | |
| 61 const static int R_G_nums[] = {0+000,2+000,4+000,6+000,8+000,10+000,12+000,14+000}; | |
| 62 static RegisterMap::LocationValidType bad_mask = 0; | |
| 63 static RegisterMap::LocationValidType R_LIO_mask = 0; | |
| 64 static bool register_map_inited = false; | |
| 65 | |
| 66 static void register_map_init() { | |
| 67 if (!register_map_inited) { | |
| 68 register_map_inited = true; | |
| 69 int i; | |
| 70 for (i = 0; i < 8; i++) { | |
| 71 assert(R_L_nums[i] < RegisterMap::location_valid_type_size, "in first chunk"); | |
| 72 assert(R_I_nums[i] < RegisterMap::location_valid_type_size, "in first chunk"); | |
| 73 assert(R_O_nums[i] < RegisterMap::location_valid_type_size, "in first chunk"); | |
| 74 assert(R_G_nums[i] < RegisterMap::location_valid_type_size, "in first chunk"); | |
| 75 } | |
| 76 | |
| 77 bad_mask |= (1LL << R_O_nums[6]); // SP | |
| 78 bad_mask |= (1LL << R_O_nums[7]); // cPC | |
| 79 bad_mask |= (1LL << R_I_nums[6]); // FP | |
| 80 bad_mask |= (1LL << R_I_nums[7]); // rPC | |
| 81 bad_mask |= (1LL << R_G_nums[2]); // TLS | |
| 82 bad_mask |= (1LL << R_G_nums[7]); // reserved by libthread | |
| 83 | |
| 84 for (i = 0; i < 8; i++) { | |
| 85 R_LIO_mask |= (1LL << R_L_nums[i]); | |
| 86 R_LIO_mask |= (1LL << R_I_nums[i]); | |
| 87 R_LIO_mask |= (1LL << R_O_nums[i]); | |
| 88 } | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 | |
| 93 address RegisterMap::pd_location(VMReg regname) const { | |
| 94 register_map_init(); | |
| 95 | |
| 96 assert(regname->is_reg(), "sanity check"); | |
| 97 // Only the GPRs get handled this way | |
| 98 if( !regname->is_Register()) | |
| 99 return NULL; | |
| 100 | |
| 101 // don't talk about bad registers | |
| 102 if ((bad_mask & ((LocationValidType)1 << regname->value())) != 0) { | |
| 103 return NULL; | |
| 104 } | |
| 105 | |
| 106 // Convert to a GPR | |
| 107 Register reg; | |
| 108 int second_word = 0; | |
| 109 // 32-bit registers for in, out and local | |
| 110 if (!regname->is_concrete()) { | |
| 111 // HMM ought to return NULL for any non-concrete (odd) vmreg | |
| 112 // this all tied up in the fact we put out double oopMaps for | |
| 113 // register locations. When that is fixed we'd will return NULL | |
| 114 // (or assert here). | |
| 115 reg = regname->prev()->as_Register(); | |
| 116 #ifdef _LP64 | |
| 117 second_word = sizeof(jint); | |
| 118 #else | |
| 119 return NULL; | |
| 120 #endif // _LP64 | |
| 121 } else { | |
| 122 reg = regname->as_Register(); | |
| 123 } | |
| 124 if (reg->is_out()) { | |
| 125 assert(_younger_window != NULL, "Younger window should be available"); | |
| 126 return second_word + (address)&_younger_window[reg->after_save()->sp_offset_in_saved_window()]; | |
| 127 } | |
| 128 if (reg->is_local() || reg->is_in()) { | |
| 129 assert(_window != NULL, "Window should be available"); | |
| 130 return second_word + (address)&_window[reg->sp_offset_in_saved_window()]; | |
| 131 } | |
| 132 // Only the window'd GPRs get handled this way; not the globals. | |
| 133 return NULL; | |
| 134 } | |
| 135 | |
| 136 | |
| 137 #ifdef ASSERT | |
| 138 void RegisterMap::check_location_valid() { | |
| 139 register_map_init(); | |
| 140 assert((_location_valid[0] & bad_mask) == 0, "cannot have special locations for SP,FP,TLS,etc."); | |
| 141 } | |
| 142 #endif | |
| 143 | |
| 144 // We are shifting windows. That means we are moving all %i to %o, | |
| 145 // getting rid of all current %l, and keeping all %g. This is only | |
| 146 // complicated if any of the location pointers for these are valid. | |
| 147 // The normal case is that everything is in its standard register window | |
| 148 // home, and _location_valid[0] is zero. In that case, this routine | |
| 149 // does exactly nothing. | |
| 150 void RegisterMap::shift_individual_registers() { | |
| 151 if (!update_map()) return; // this only applies to maps with locations | |
| 152 register_map_init(); | |
| 153 check_location_valid(); | |
| 154 | |
| 155 LocationValidType lv = _location_valid[0]; | |
| 156 LocationValidType lv0 = lv; | |
| 157 | |
| 158 lv &= ~R_LIO_mask; // clear %l, %o, %i regs | |
| 159 | |
| 160 // if we cleared some non-%g locations, we may have to do some shifting | |
| 161 if (lv != lv0) { | |
| 162 // copy %i0-%i5 to %o0-%o5, if they have special locations | |
| 163 // This can happen in within stubs which spill argument registers | |
| 164 // around a dynamic link operation, such as resolve_opt_virtual_call. | |
| 165 for (int i = 0; i < 8; i++) { | |
| 166 if (lv0 & (1LL << R_I_nums[i])) { | |
| 167 _location[R_O_nums[i]] = _location[R_I_nums[i]]; | |
| 168 lv |= (1LL << R_O_nums[i]); | |
| 169 } | |
| 170 } | |
| 171 } | |
| 172 | |
| 173 _location_valid[0] = lv; | |
| 174 check_location_valid(); | |
| 175 } | |
| 176 | |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
177 bool frame::safe_for_sender(JavaThread *thread) { |
| 0 | 178 |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
179 address _SP = (address) sp(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
180 address _FP = (address) fp(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
181 address _UNEXTENDED_SP = (address) unextended_sp(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
182 // sp must be within the stack |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
183 bool sp_safe = (_SP <= thread->stack_base()) && |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
184 (_SP >= thread->stack_base() - thread->stack_size()); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
185 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
186 if (!sp_safe) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
187 return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
188 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
189 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
190 // unextended sp must be within the stack and above or equal sp |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
191 bool unextended_sp_safe = (_UNEXTENDED_SP <= thread->stack_base()) && |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
192 (_UNEXTENDED_SP >= _SP); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
193 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
194 if (!unextended_sp_safe) return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
195 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
196 // an fp must be within the stack and above (but not equal) sp |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
197 bool fp_safe = (_FP <= thread->stack_base()) && |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
198 (_FP > _SP); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
199 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
200 // We know sp/unextended_sp are safe only fp is questionable here |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
201 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
202 // If the current frame is known to the code cache then we can attempt to |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
203 // to construct the sender and do some validation of it. This goes a long way |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
204 // toward eliminating issues when we get in frame construction code |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
205 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
206 if (_cb != NULL ) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
207 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
208 // First check if frame is complete and tester is reliable |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
209 // Unfortunately we can only check frame complete for runtime stubs and nmethod |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
210 // other generic buffer blobs are more problematic so we just assume they are |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
211 // ok. adapter blobs never have a frame complete and are never ok. |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
212 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
213 if (!_cb->is_frame_complete_at(_pc)) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
214 if (_cb->is_nmethod() || _cb->is_adapter_blob() || _cb->is_runtime_stub()) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
215 return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
216 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
217 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
218 |
|
8106
ec2eddfed950
8008340: [sampling] assert(upper->pc_offset() >= pc_offset) failed: sanity
rbackman
parents:
7176
diff
changeset
|
219 // Could just be some random pointer within the codeBlob |
|
ec2eddfed950
8008340: [sampling] assert(upper->pc_offset() >= pc_offset) failed: sanity
rbackman
parents:
7176
diff
changeset
|
220 if (!_cb->code_contains(_pc)) { |
|
ec2eddfed950
8008340: [sampling] assert(upper->pc_offset() >= pc_offset) failed: sanity
rbackman
parents:
7176
diff
changeset
|
221 return false; |
|
ec2eddfed950
8008340: [sampling] assert(upper->pc_offset() >= pc_offset) failed: sanity
rbackman
parents:
7176
diff
changeset
|
222 } |
|
ec2eddfed950
8008340: [sampling] assert(upper->pc_offset() >= pc_offset) failed: sanity
rbackman
parents:
7176
diff
changeset
|
223 |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
224 // Entry frame checks |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
225 if (is_entry_frame()) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
226 // an entry frame must have a valid fp. |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
227 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
228 if (!fp_safe) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
229 return false; |
| 0 | 230 } |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
231 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
232 // Validate the JavaCallWrapper an entry frame must have |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
233 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
234 address jcw = (address)entry_frame_call_wrapper(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
235 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
236 bool jcw_safe = (jcw <= thread->stack_base()) && ( jcw > _FP); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
237 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
238 return jcw_safe; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
239 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
240 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
241 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
242 intptr_t* younger_sp = sp(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
243 intptr_t* _SENDER_SP = sender_sp(); // sender is actually just _FP |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
244 bool adjusted_stack = is_interpreted_frame(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
245 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
246 address sender_pc = (address)younger_sp[I7->sp_offset_in_saved_window()] + pc_return_offset; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
247 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
248 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
249 // We must always be able to find a recognizable pc |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
250 CodeBlob* sender_blob = CodeCache::find_blob_unsafe(sender_pc); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
251 if (sender_pc == NULL || sender_blob == NULL) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
252 return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
253 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
254 |
| 10405 | 255 // Could be a zombie method |
| 256 if (sender_blob->is_zombie() || sender_blob->is_unloaded()) { | |
| 257 return false; | |
| 258 } | |
| 259 | |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
260 // It should be safe to construct the sender though it might not be valid |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
261 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
262 frame sender(_SENDER_SP, younger_sp, adjusted_stack); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
263 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
264 // Do we have a valid fp? |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
265 address sender_fp = (address) sender.fp(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
266 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
267 // an fp must be within the stack and above (but not equal) current frame's _FP |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
268 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
269 bool sender_fp_safe = (sender_fp <= thread->stack_base()) && |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
270 (sender_fp > _FP); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
271 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
272 if (!sender_fp_safe) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
273 return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
274 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
275 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
276 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
277 // If the potential sender is the interpreter then we can do some more checking |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
278 if (Interpreter::contains(sender_pc)) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
279 return sender.is_interpreted_frame_valid(thread); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
280 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
281 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
282 // Could just be some random pointer within the codeBlob |
| 1748 | 283 if (!sender.cb()->code_contains(sender_pc)) { |
| 284 return false; | |
| 285 } | |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
286 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
287 // We should never be able to see an adapter if the current frame is something from code cache |
| 1748 | 288 if (sender_blob->is_adapter_blob()) { |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
289 return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
290 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
291 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
292 if( sender.is_entry_frame()) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
293 // Validate the JavaCallWrapper an entry frame must have |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
294 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
295 address jcw = (address)sender.entry_frame_call_wrapper(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
296 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
297 bool jcw_safe = (jcw <= thread->stack_base()) && ( jcw > sender_fp); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
298 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
299 return jcw_safe; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
300 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
301 |
| 10405 | 302 // If the frame size is 0 something (or less) is bad because every nmethod has a non-zero frame size |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
303 // because you must allocate window space |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
304 |
| 10405 | 305 if (sender_blob->frame_size() <= 0) { |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
306 assert(!sender_blob->is_nmethod(), "should count return address at least"); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
307 return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
308 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
309 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
310 // The sender should positively be an nmethod or call_stub. On sparc we might in fact see something else. |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
311 // The cause of this is because at a save instruction the O7 we get is a leftover from an earlier |
| 9152 | 312 // window use. So if a runtime stub creates two frames (common in fastdebug/debug) then we see the |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
313 // stale pc. So if the sender blob is not something we'd expect we have little choice but to declare |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
314 // the stack unwalkable. pd_get_top_frame_for_signal_handler tries to recover from this by unwinding |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
315 // that initial frame and retrying. |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
316 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
317 if (!sender_blob->is_nmethod()) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
318 return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
319 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
320 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
321 // Could put some more validation for the potential non-interpreted sender |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
322 // frame we'd create by calling sender if I could think of any. Wait for next crash in forte... |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
323 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
324 // One idea is seeing if the sender_pc we have is one that we'd expect to call to current cb |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
325 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
326 // We've validated the potential sender that would be created |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
327 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
328 return true; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
329 |
| 0 | 330 } |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
331 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
332 // Must be native-compiled frame. Since sender will try and use fp to find |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
333 // linkages it must be safe |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
334 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
335 if (!fp_safe) return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
336 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
337 // could try and do some more potential verification of native frame if we could think of some... |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
338 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
339 return true; |
| 0 | 340 } |
| 341 | |
| 342 // constructors | |
| 343 | |
| 344 // Construct an unpatchable, deficient frame | |
| 345 frame::frame(intptr_t* sp, unpatchable_t, address pc, CodeBlob* cb) { | |
| 346 #ifdef _LP64 | |
| 347 assert( (((intptr_t)sp & (wordSize-1)) == 0), "frame constructor passed an invalid sp"); | |
| 348 #endif | |
| 349 _sp = sp; | |
| 350 _younger_sp = NULL; | |
| 351 _pc = pc; | |
| 352 _cb = cb; | |
| 353 _sp_adjustment_by_callee = 0; | |
| 354 assert(pc == NULL && cb == NULL || pc != NULL, "can't have a cb and no pc!"); | |
| 355 if (_cb == NULL && _pc != NULL ) { | |
| 356 _cb = CodeCache::find_blob(_pc); | |
| 357 } | |
| 358 _deopt_state = unknown; | |
| 359 #ifdef ASSERT | |
| 360 if ( _cb != NULL && _cb->is_nmethod()) { | |
| 361 // Without a valid unextended_sp() we can't convert the pc to "original" | |
| 362 assert(!((nmethod*)_cb)->is_deopt_pc(_pc), "invariant broken"); | |
| 363 } | |
| 364 #endif // ASSERT | |
| 365 } | |
| 366 | |
| 1564 | 367 frame::frame(intptr_t* sp, intptr_t* younger_sp, bool younger_frame_is_interpreted) : |
| 368 _sp(sp), | |
| 369 _younger_sp(younger_sp), | |
| 370 _deopt_state(unknown), | |
| 371 _sp_adjustment_by_callee(0) { | |
| 0 | 372 if (younger_sp == NULL) { |
| 373 // make a deficient frame which doesn't know where its PC is | |
| 374 _pc = NULL; | |
| 375 _cb = NULL; | |
| 376 } else { | |
| 377 _pc = (address)younger_sp[I7->sp_offset_in_saved_window()] + pc_return_offset; | |
| 378 assert( (intptr_t*)younger_sp[FP->sp_offset_in_saved_window()] == (intptr_t*)((intptr_t)sp - STACK_BIAS), "younger_sp must be valid"); | |
| 379 // Any frame we ever build should always "safe" therefore we should not have to call | |
| 380 // find_blob_unsafe | |
| 381 // In case of native stubs, the pc retrieved here might be | |
| 382 // wrong. (the _last_native_pc will have the right value) | |
| 383 // So do not put add any asserts on the _pc here. | |
| 384 } | |
| 1564 | 385 |
| 386 if (_pc != NULL) | |
| 387 _cb = CodeCache::find_blob(_pc); | |
| 388 | |
| 389 // Check for MethodHandle call sites. | |
| 390 if (_cb != NULL) { | |
| 391 nmethod* nm = _cb->as_nmethod_or_null(); | |
| 392 if (nm != NULL) { | |
| 393 if (nm->is_deopt_mh_entry(_pc) || nm->is_method_handle_return(_pc)) { | |
| 394 _sp_adjustment_by_callee = (intptr_t*) ((intptr_t) sp[L7_mh_SP_save->sp_offset_in_saved_window()] + STACK_BIAS) - sp; | |
| 395 // The SP is already adjusted by this MH call site, don't | |
| 396 // overwrite this value with the wrong interpreter value. | |
| 397 younger_frame_is_interpreted = false; | |
| 398 } | |
| 399 } | |
| 0 | 400 } |
| 401 | |
| 1564 | 402 if (younger_frame_is_interpreted) { |
| 403 // compute adjustment to this frame's SP made by its interpreted callee | |
| 404 _sp_adjustment_by_callee = (intptr_t*) ((intptr_t) younger_sp[I5_savedSP->sp_offset_in_saved_window()] + STACK_BIAS) - sp; | |
| 405 } | |
| 0 | 406 |
| 1564 | 407 // It is important that the frame is fully constructed when we do |
| 408 // this lookup as get_deopt_original_pc() needs a correct value for | |
| 409 // unextended_sp() which uses _sp_adjustment_by_callee. | |
| 0 | 410 if (_pc != NULL) { |
| 1204 | 411 address original_pc = nmethod::get_deopt_original_pc(this); |
| 412 if (original_pc != NULL) { | |
| 413 _pc = original_pc; | |
| 0 | 414 _deopt_state = is_deoptimized; |
| 415 } else { | |
| 416 _deopt_state = not_deoptimized; | |
| 417 } | |
| 418 } | |
| 419 } | |
| 420 | |
| 421 bool frame::is_interpreted_frame() const { | |
| 422 return Interpreter::contains(pc()); | |
| 423 } | |
| 424 | |
| 425 // sender_sp | |
| 426 | |
| 427 intptr_t* frame::interpreter_frame_sender_sp() const { | |
| 428 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 429 return fp(); | |
| 430 } | |
| 431 | |
| 432 #ifndef CC_INTERP | |
| 433 void frame::set_interpreter_frame_sender_sp(intptr_t* sender_sp) { | |
| 434 assert(is_interpreted_frame(), "interpreted frame expected"); | |
| 435 Unimplemented(); | |
| 436 } | |
| 437 #endif // CC_INTERP | |
| 438 | |
| 439 | |
| 440 #ifdef ASSERT | |
| 441 // Debugging aid | |
| 442 static frame nth_sender(int n) { | |
| 443 frame f = JavaThread::current()->last_frame(); | |
| 444 | |
| 445 for(int i = 0; i < n; ++i) | |
| 446 f = f.sender((RegisterMap*)NULL); | |
| 447 | |
| 448 printf("first frame %d\n", f.is_first_frame() ? 1 : 0); | |
| 449 printf("interpreted frame %d\n", f.is_interpreted_frame() ? 1 : 0); | |
| 450 printf("java frame %d\n", f.is_java_frame() ? 1 : 0); | |
| 451 printf("entry frame %d\n", f.is_entry_frame() ? 1 : 0); | |
| 452 printf("native frame %d\n", f.is_native_frame() ? 1 : 0); | |
| 453 if (f.is_compiled_frame()) { | |
| 454 if (f.is_deoptimized_frame()) | |
| 455 printf("deoptimized frame 1\n"); | |
| 456 else | |
| 457 printf("compiled frame 1\n"); | |
| 458 } | |
| 459 | |
| 460 return f; | |
| 461 } | |
| 462 #endif | |
| 463 | |
| 464 | |
| 465 frame frame::sender_for_entry_frame(RegisterMap *map) const { | |
| 466 assert(map != NULL, "map must be set"); | |
| 467 // Java frame called from C; skip all C frames and return top C | |
| 468 // frame of that chunk as the sender | |
| 469 JavaFrameAnchor* jfa = entry_frame_call_wrapper()->anchor(); | |
| 470 assert(!entry_frame_is_first(), "next Java fp must be non zero"); | |
| 471 assert(jfa->last_Java_sp() > _sp, "must be above this frame on stack"); | |
| 472 intptr_t* last_Java_sp = jfa->last_Java_sp(); | |
| 473 // Since we are walking the stack now this nested anchor is obviously walkable | |
| 474 // even if it wasn't when it was stacked. | |
| 475 if (!jfa->walkable()) { | |
| 476 // Capture _last_Java_pc (if needed) and mark anchor walkable. | |
| 477 jfa->capture_last_Java_pc(_sp); | |
| 478 } | |
| 479 assert(jfa->last_Java_pc() != NULL, "No captured pc!"); | |
| 480 map->clear(); | |
| 481 map->make_integer_regs_unsaved(); | |
| 482 map->shift_window(last_Java_sp, NULL); | |
| 483 assert(map->include_argument_oops(), "should be set by clear"); | |
| 484 return frame(last_Java_sp, frame::unpatchable, jfa->last_Java_pc()); | |
| 485 } | |
| 486 | |
| 487 frame frame::sender_for_interpreter_frame(RegisterMap *map) const { | |
| 488 ShouldNotCallThis(); | |
| 489 return sender(map); | |
| 490 } | |
| 491 | |
| 492 frame frame::sender_for_compiled_frame(RegisterMap *map) const { | |
| 493 ShouldNotCallThis(); | |
| 494 return sender(map); | |
| 495 } | |
| 496 | |
| 497 frame frame::sender(RegisterMap* map) const { | |
| 498 assert(map != NULL, "map must be set"); | |
| 499 | |
| 500 assert(CodeCache::find_blob_unsafe(_pc) == _cb, "inconsistent"); | |
| 501 | |
| 502 // Default is not to follow arguments; update it accordingly below | |
| 503 map->set_include_argument_oops(false); | |
| 504 | |
| 505 if (is_entry_frame()) return sender_for_entry_frame(map); | |
| 506 | |
| 1564 | 507 intptr_t* younger_sp = sp(); |
| 508 intptr_t* sp = sender_sp(); | |
| 0 | 509 |
| 510 // Note: The version of this operation on any platform with callee-save | |
| 511 // registers must update the register map (if not null). | |
| 512 // In order to do this correctly, the various subtypes of | |
| 513 // of frame (interpreted, compiled, glue, native), | |
| 514 // must be distinguished. There is no need on SPARC for | |
| 515 // such distinctions, because all callee-save registers are | |
| 516 // preserved for all frames via SPARC-specific mechanisms. | |
| 517 // | |
| 518 // *** HOWEVER, *** if and when we make any floating-point | |
| 519 // registers callee-saved, then we will have to copy over | |
| 520 // the RegisterMap update logic from the Intel code. | |
| 521 | |
| 522 // The constructor of the sender must know whether this frame is interpreted so it can set the | |
| 523 // sender's _sp_adjustment_by_callee field. An osr adapter frame was originally | |
| 524 // interpreted but its pc is in the code cache (for c1 -> osr_frame_return_id stub), so it must be | |
| 525 // explicitly recognized. | |
| 526 | |
|
3753
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3365
diff
changeset
|
527 |
| 1564 | 528 bool frame_is_interpreted = is_interpreted_frame(); |
| 529 if (frame_is_interpreted) { | |
| 0 | 530 map->make_integer_regs_unsaved(); |
| 531 map->shift_window(sp, younger_sp); | |
| 532 } else if (_cb != NULL) { | |
| 533 // Update the locations of implicitly saved registers to be their | |
| 534 // addresses in the register save area. | |
| 535 // For %o registers, the addresses of %i registers in the next younger | |
| 536 // frame are used. | |
| 537 map->shift_window(sp, younger_sp); | |
| 538 if (map->update_map()) { | |
| 539 // Tell GC to use argument oopmaps for some runtime stubs that need it. | |
| 540 // For C1, the runtime stub might not have oop maps, so set this flag | |
| 541 // outside of update_register_map. | |
| 542 map->set_include_argument_oops(_cb->caller_must_gc_arguments(map->thread())); | |
| 543 if (_cb->oop_maps() != NULL) { | |
| 544 OopMapSet::update_register_map(this, map); | |
| 545 } | |
| 546 } | |
| 547 } | |
| 1564 | 548 return frame(sp, younger_sp, frame_is_interpreted); |
| 0 | 549 } |
| 550 | |
| 551 | |
| 552 void frame::patch_pc(Thread* thread, address pc) { | |
| 553 if(thread == Thread::current()) { | |
| 554 StubRoutines::Sparc::flush_callers_register_windows_func()(); | |
| 555 } | |
| 556 if (TracePcPatching) { | |
| 557 // QQQ this assert is invalid (or too strong anyway) sice _pc could | |
| 558 // be original pc and frame could have the deopt pc. | |
| 559 // assert(_pc == *O7_addr() + pc_return_offset, "frame has wrong pc"); | |
| 560 tty->print_cr("patch_pc at address 0x%x [0x%x -> 0x%x] ", O7_addr(), _pc, pc); | |
| 561 } | |
| 562 _cb = CodeCache::find_blob(pc); | |
| 563 *O7_addr() = pc - pc_return_offset; | |
| 564 _cb = CodeCache::find_blob(_pc); | |
| 1204 | 565 address original_pc = nmethod::get_deopt_original_pc(this); |
| 566 if (original_pc != NULL) { | |
| 567 assert(original_pc == _pc, "expected original to be stored before patching"); | |
| 0 | 568 _deopt_state = is_deoptimized; |
| 569 } else { | |
| 570 _deopt_state = not_deoptimized; | |
| 571 } | |
| 572 } | |
| 573 | |
| 574 | |
| 575 static bool sp_is_valid(intptr_t* old_sp, intptr_t* young_sp, intptr_t* sp) { | |
| 576 return (((intptr_t)sp & (2*wordSize-1)) == 0 && | |
| 577 sp <= old_sp && | |
| 578 sp >= young_sp); | |
| 579 } | |
| 580 | |
| 581 | |
| 582 /* | |
| 583 Find the (biased) sp that is just younger than old_sp starting at sp. | |
| 584 If not found return NULL. Register windows are assumed to be flushed. | |
| 585 */ | |
| 586 intptr_t* frame::next_younger_sp_or_null(intptr_t* old_sp, intptr_t* sp) { | |
| 587 | |
| 588 intptr_t* previous_sp = NULL; | |
| 589 intptr_t* orig_sp = sp; | |
| 590 | |
| 591 int max_frames = (old_sp - sp) / 16; // Minimum frame size is 16 | |
| 592 int max_frame2 = max_frames; | |
| 593 while(sp != old_sp && sp_is_valid(old_sp, orig_sp, sp)) { | |
| 594 if (max_frames-- <= 0) | |
| 595 // too many frames have gone by; invalid parameters given to this function | |
| 596 break; | |
| 597 previous_sp = sp; | |
| 598 sp = (intptr_t*)sp[FP->sp_offset_in_saved_window()]; | |
| 599 sp = (intptr_t*)((intptr_t)sp + STACK_BIAS); | |
| 600 } | |
| 601 | |
| 602 return (sp == old_sp ? previous_sp : NULL); | |
| 603 } | |
| 604 | |
| 605 /* | |
| 606 Determine if "sp" is a valid stack pointer. "sp" is assumed to be younger than | |
| 607 "valid_sp". So if "sp" is valid itself then it should be possible to walk frames | |
| 608 from "sp" to "valid_sp". The assumption is that the registers windows for the | |
| 609 thread stack in question are flushed. | |
| 610 */ | |
| 611 bool frame::is_valid_stack_pointer(intptr_t* valid_sp, intptr_t* sp) { | |
| 612 return next_younger_sp_or_null(valid_sp, sp) != NULL; | |
| 613 } | |
| 614 | |
| 615 | |
| 616 bool frame::interpreter_frame_equals_unpacked_fp(intptr_t* fp) { | |
| 617 assert(is_interpreted_frame(), "must be interpreter frame"); | |
| 618 return this->fp() == fp; | |
| 619 } | |
| 620 | |
| 621 | |
| 622 void frame::pd_gc_epilog() { | |
| 623 if (is_interpreted_frame()) { | |
| 624 // set constant pool cache entry for interpreter | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
625 Method* m = interpreter_frame_method(); |
| 0 | 626 |
| 627 *interpreter_frame_cpoolcache_addr() = m->constants()->cache(); | |
| 628 } | |
| 629 } | |
| 630 | |
| 631 | |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
632 bool frame::is_interpreted_frame_valid(JavaThread* thread) const { |
| 0 | 633 #ifdef CC_INTERP |
| 634 // Is there anything to do? | |
| 635 #else | |
| 636 assert(is_interpreted_frame(), "Not an interpreted frame"); | |
| 637 // These are reasonable sanity checks | |
| 638 if (fp() == 0 || (intptr_t(fp()) & (2*wordSize-1)) != 0) { | |
| 639 return false; | |
| 640 } | |
| 641 if (sp() == 0 || (intptr_t(sp()) & (2*wordSize-1)) != 0) { | |
| 642 return false; | |
| 643 } | |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
644 |
| 0 | 645 const intptr_t interpreter_frame_initial_sp_offset = interpreter_frame_vm_local_words; |
| 646 if (fp() + interpreter_frame_initial_sp_offset < sp()) { | |
| 647 return false; | |
| 648 } | |
| 649 // These are hacks to keep us out of trouble. | |
| 650 // The problem with these is that they mask other problems | |
| 651 if (fp() <= sp()) { // this attempts to deal with unsigned comparison above | |
| 652 return false; | |
| 653 } | |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
654 // do some validation of frame elements |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
655 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
656 // first the method |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
657 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
658 Method* m = *interpreter_frame_method_addr(); |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
659 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
660 // validate the method we'd find in this potential sender |
|
7176
59c790074993
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
6725
diff
changeset
|
661 if (!m->is_valid_method()) return false; |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
662 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
663 // stack frames shouldn't be much larger than max_stack elements |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
664 |
| 1506 | 665 if (fp() - sp() > 1024 + m->max_stack()*Interpreter::stackElementSize) { |
| 0 | 666 return false; |
| 667 } | |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
668 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
669 // validate bci/bcx |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
670 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
671 intptr_t bcx = interpreter_frame_bcx(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
672 if (m->validate_bci_from_bcx(bcx) < 0) { |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
673 return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
674 } |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
675 |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
676 // validate ConstantPoolCache* |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
677 ConstantPoolCache* cp = *interpreter_frame_cache_addr(); |
| 11034 | 678 if (cp == NULL || !cp->is_metaspace_object()) return false; |
|
107
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
679 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
680 // validate locals |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
681 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
682 address locals = (address) *interpreter_frame_locals_addr(); |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
683 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
684 if (locals > thread->stack_base() || locals < (address) fp()) return false; |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
685 |
|
93b6525e3b82
6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on
sgoldman
parents:
0
diff
changeset
|
686 // We'd have to be pretty unlucky to be mislead at this point |
| 0 | 687 #endif /* CC_INTERP */ |
| 688 return true; | |
| 689 } | |
| 690 | |
| 691 | |
| 692 // Windows have been flushed on entry (but not marked). Capture the pc that | |
| 693 // is the return address to the frame that contains "sp" as its stack pointer. | |
| 694 // This pc resides in the called of the frame corresponding to "sp". | |
| 695 // As a side effect we mark this JavaFrameAnchor as having flushed the windows. | |
| 696 // This side effect lets us mark stacked JavaFrameAnchors (stacked in the | |
| 697 // call_helper) as flushed when we have flushed the windows for the most | |
| 698 // recent (i.e. current) JavaFrameAnchor. This saves useless flushing calls | |
| 699 // and lets us find the pc just once rather than multiple times as it did | |
| 700 // in the bad old _post_Java_state days. | |
| 701 // | |
| 702 void JavaFrameAnchor::capture_last_Java_pc(intptr_t* sp) { | |
| 703 if (last_Java_sp() != NULL && last_Java_pc() == NULL) { | |
| 704 // try and find the sp just younger than _last_Java_sp | |
| 705 intptr_t* _post_Java_sp = frame::next_younger_sp_or_null(last_Java_sp(), sp); | |
| 706 // Really this should never fail otherwise VM call must have non-standard | |
| 707 // frame linkage (bad) or stack is not properly flushed (worse). | |
| 708 guarantee(_post_Java_sp != NULL, "bad stack!"); | |
| 709 _last_Java_pc = (address) _post_Java_sp[ I7->sp_offset_in_saved_window()] + frame::pc_return_offset; | |
| 710 | |
| 711 } | |
| 712 set_window_flushed(); | |
| 713 } | |
| 714 | |
| 715 void JavaFrameAnchor::make_walkable(JavaThread* thread) { | |
| 716 if (walkable()) return; | |
| 717 // Eventually make an assert | |
| 718 guarantee(Thread::current() == (Thread*)thread, "only current thread can flush its registers"); | |
| 719 // We always flush in case the profiler wants it but we won't mark | |
| 720 // the windows as flushed unless we have a last_Java_frame | |
| 721 intptr_t* sp = StubRoutines::Sparc::flush_callers_register_windows_func()(); | |
| 722 if (last_Java_sp() != NULL ) { | |
| 723 capture_last_Java_pc(sp); | |
| 724 } | |
| 725 } | |
| 726 | |
| 727 intptr_t* frame::entry_frame_argument_at(int offset) const { | |
| 728 // convert offset to index to deal with tsi | |
| 729 int index = (Interpreter::expr_offset_in_bytes(offset)/wordSize); | |
| 730 | |
| 731 intptr_t* LSP = (intptr_t*) sp()[Lentry_args->sp_offset_in_saved_window()]; | |
| 732 return &LSP[index+1]; | |
| 733 } | |
| 734 | |
| 735 | |
| 736 BasicType frame::interpreter_frame_result(oop* oop_result, jvalue* value_result) { | |
| 737 assert(is_interpreted_frame(), "interpreted frame expected"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
738 Method* method = interpreter_frame_method(); |
| 0 | 739 BasicType type = method->result_type(); |
| 740 | |
| 741 if (method->is_native()) { | |
| 742 // Prior to notifying the runtime of the method_exit the possible result | |
| 743 // value is saved to l_scratch and d_scratch. | |
| 744 | |
| 745 #ifdef CC_INTERP | |
| 746 interpreterState istate = get_interpreterState(); | |
| 747 intptr_t* l_scratch = (intptr_t*) &istate->_native_lresult; | |
| 748 intptr_t* d_scratch = (intptr_t*) &istate->_native_fresult; | |
| 749 #else /* CC_INTERP */ | |
| 750 intptr_t* l_scratch = fp() + interpreter_frame_l_scratch_fp_offset; | |
| 751 intptr_t* d_scratch = fp() + interpreter_frame_d_scratch_fp_offset; | |
| 752 #endif /* CC_INTERP */ | |
| 753 | |
| 754 address l_addr = (address)l_scratch; | |
| 755 #ifdef _LP64 | |
| 756 // On 64-bit the result for 1/8/16/32-bit result types is in the other | |
| 757 // word half | |
| 758 l_addr += wordSize/2; | |
| 759 #endif | |
| 760 | |
| 761 switch (type) { | |
| 762 case T_OBJECT: | |
| 763 case T_ARRAY: { | |
| 764 #ifdef CC_INTERP | |
| 765 *oop_result = istate->_oop_temp; | |
| 766 #else | |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
11061
diff
changeset
|
767 oop obj = cast_to_oop(at(interpreter_frame_oop_temp_offset)); |
| 0 | 768 assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check"); |
| 769 *oop_result = obj; | |
| 770 #endif // CC_INTERP | |
| 771 break; | |
| 772 } | |
| 773 | |
| 774 case T_BOOLEAN : { jint* p = (jint*)l_addr; value_result->z = (jboolean)((*p) & 0x1); break; } | |
| 775 case T_BYTE : { jint* p = (jint*)l_addr; value_result->b = (jbyte)((*p) & 0xff); break; } | |
| 776 case T_CHAR : { jint* p = (jint*)l_addr; value_result->c = (jchar)((*p) & 0xffff); break; } | |
| 777 case T_SHORT : { jint* p = (jint*)l_addr; value_result->s = (jshort)((*p) & 0xffff); break; } | |
| 778 case T_INT : value_result->i = *(jint*)l_addr; break; | |
| 779 case T_LONG : value_result->j = *(jlong*)l_scratch; break; | |
| 780 case T_FLOAT : value_result->f = *(jfloat*)d_scratch; break; | |
| 781 case T_DOUBLE : value_result->d = *(jdouble*)d_scratch; break; | |
| 782 case T_VOID : /* Nothing to do */ break; | |
| 783 default : ShouldNotReachHere(); | |
| 784 } | |
| 785 } else { | |
| 786 intptr_t* tos_addr = interpreter_frame_tos_address(); | |
| 787 | |
| 788 switch(type) { | |
| 789 case T_OBJECT: | |
| 790 case T_ARRAY: { | |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
11061
diff
changeset
|
791 oop obj = cast_to_oop(*tos_addr); |
| 0 | 792 assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check"); |
| 793 *oop_result = obj; | |
| 794 break; | |
| 795 } | |
| 796 case T_BOOLEAN : { jint* p = (jint*)tos_addr; value_result->z = (jboolean)((*p) & 0x1); break; } | |
| 797 case T_BYTE : { jint* p = (jint*)tos_addr; value_result->b = (jbyte)((*p) & 0xff); break; } | |
| 798 case T_CHAR : { jint* p = (jint*)tos_addr; value_result->c = (jchar)((*p) & 0xffff); break; } | |
| 799 case T_SHORT : { jint* p = (jint*)tos_addr; value_result->s = (jshort)((*p) & 0xffff); break; } | |
| 800 case T_INT : value_result->i = *(jint*)tos_addr; break; | |
| 801 case T_LONG : value_result->j = *(jlong*)tos_addr; break; | |
| 802 case T_FLOAT : value_result->f = *(jfloat*)tos_addr; break; | |
| 803 case T_DOUBLE : value_result->d = *(jdouble*)tos_addr; break; | |
| 804 case T_VOID : /* Nothing to do */ break; | |
| 805 default : ShouldNotReachHere(); | |
| 806 } | |
| 807 }; | |
| 808 | |
| 809 return type; | |
| 810 } | |
| 811 | |
| 812 // Lesp pointer is one word lower than the top item on the stack. | |
| 813 intptr_t* frame::interpreter_frame_tos_at(jint offset) const { | |
| 814 int index = (Interpreter::expr_offset_in_bytes(offset)/wordSize) - 1; | |
| 815 return &interpreter_frame_tos_address()[index]; | |
| 816 } | |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
817 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
818 |
|
4824
5dbed2f542ff
7120468: SPARC/x86: use frame::describe to enhance trace_method_handle
bdelsart
parents:
4818
diff
changeset
|
819 #ifndef PRODUCT |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
820 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
821 #define DESCRIBE_FP_OFFSET(name) \ |
|
3365
3cfb240033d1
7043301: assert(locals < caller->fp() || locals > (caller->fp() + 16)) failed: locals in save area
never
parents:
3336
diff
changeset
|
822 values.describe(frame_no, fp() + frame::name##_offset, #name) |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
823 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
824 void frame::describe_pd(FrameValues& values, int frame_no) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
825 for (int w = 0; w < frame::register_save_words; w++) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
826 values.describe(frame_no, sp() + w, err_msg("register save area word %d", w), 1); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
827 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
828 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4868
diff
changeset
|
829 if (is_interpreted_frame()) { |
| 14676 | 830 #ifndef CC_INTERP |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
831 DESCRIBE_FP_OFFSET(interpreter_frame_d_scratch_fp); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
832 DESCRIBE_FP_OFFSET(interpreter_frame_l_scratch_fp); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
833 DESCRIBE_FP_OFFSET(interpreter_frame_padding); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
834 DESCRIBE_FP_OFFSET(interpreter_frame_oop_temp); |
|
4818
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
3931
diff
changeset
|
835 |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
3931
diff
changeset
|
836 // esp, according to Lesp (e.g. not depending on bci), if seems valid |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
3931
diff
changeset
|
837 intptr_t* esp = *interpreter_frame_esp_addr(); |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
3931
diff
changeset
|
838 if ((esp >= sp()) && (esp < fp())) { |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
3931
diff
changeset
|
839 values.describe(-1, esp, "*Lesp"); |
|
82e5a84b7436
7120450: complete information dumped by frame_describe
bdelsart
parents:
3931
diff
changeset
|
840 } |
| 14676 | 841 #endif |
|
3336
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
842 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
843 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
844 if (!is_compiled_frame()) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
845 if (frame::callee_aggregate_return_pointer_words != 0) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
846 values.describe(frame_no, sp() + frame::callee_aggregate_return_pointer_sp_offset, "callee_aggregate_return_pointer_word"); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
847 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
848 for (int w = 0; w < frame::callee_register_argument_save_area_words; w++) { |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
849 values.describe(frame_no, sp() + frame::callee_register_argument_save_area_sp_offset + w, |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
850 err_msg("callee_register_argument_save_area_words %d", w)); |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
851 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
852 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
853 } |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
854 |
|
2e038ad0c1d0
7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp
never
parents:
1972
diff
changeset
|
855 #endif |
|
3931
5432047c7db7
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
3753
diff
changeset
|
856 |
|
5432047c7db7
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
3753
diff
changeset
|
857 intptr_t *frame::initial_deoptimization_info() { |
|
5432047c7db7
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
3753
diff
changeset
|
858 // unused... but returns fp() to minimize changes introduced by 7087445 |
|
5432047c7db7
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
3753
diff
changeset
|
859 return fp(); |
|
5432047c7db7
7087445: Improve platform independence of JSR292 shared code
bdelsart
parents:
3753
diff
changeset
|
860 } |