Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/mips/vm/frame_mips.cpp
src/cpu/mips/vm/frame_mips.cpp
- changeset 8009
- 0477693968a6
- parent 7996
- 2102a5402a07
- child 8030
- da097266f312
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| 8008:2c1fab4a6f4e | 8009:0477693968a6 |
|---|---|
| 289 | 289 |
| 290 //------------------------------sender_for_compiled_frame----------------------- | 290 //------------------------------sender_for_compiled_frame----------------------- |
| 291 frame frame::sender_for_compiled_frame(RegisterMap* map) const { | 291 frame frame::sender_for_compiled_frame(RegisterMap* map) const { |
| 292 assert(map != NULL, "map must be set"); | 292 assert(map != NULL, "map must be set"); |
| 293 | 293 |
| 294 // frame owned by optimizing compiler | |
| 295 assert(_cb->frame_size() >= 0, "must have non-zero frame size"); | |
| 296 | |
| 297 intptr_t* sender_sp = sender_sp = sp() + _cb->frame_size(); | |
| 298 #ifdef ASSERT | |
| 294 const bool c1_compiled = _cb->is_compiled_by_c1(); | 299 const bool c1_compiled = _cb->is_compiled_by_c1(); |
| 295 // frame owned by optimizing compiler | |
| 296 intptr_t* sender_sp = NULL; | |
| 297 bool native = _cb->is_nmethod() && ((nmethod*)_cb)->is_native_method(); | 300 bool native = _cb->is_nmethod() && ((nmethod*)_cb)->is_native_method(); |
| 298 | |
| 299 assert(_cb->frame_size() >= 0, "must have non-zero frame size"); | |
| 300 //FIXME , may be error here , do MIPS have the return address and link address on the stack? | |
| 301 | |
| 302 sender_sp = sp() + _cb->frame_size(); | |
| 303 #ifdef ASSERT | |
| 304 if (c1_compiled && native) { | 301 if (c1_compiled && native) { |
| 305 assert(sender_sp == fp() + frame::sender_sp_offset, "incorrect frame size"); | 302 assert(sender_sp == fp() + frame::sender_sp_offset, "incorrect frame size"); |
| 306 } | 303 } |
| 307 #endif // ASSERT | 304 #endif // ASSERT |
| 308 // On Intel the return_address is always the word on the stack | 305 // On Intel the return_address is always the word on the stack |
| 310 // so getting sender for compiled frame is not same as interpreter frame. | 307 // so getting sender for compiled frame is not same as interpreter frame. |
| 311 // we hard code here temporarily | 308 // we hard code here temporarily |
| 312 // spark | 309 // spark |
| 313 address sender_pc = (address) *(sender_sp-1); | 310 address sender_pc = (address) *(sender_sp-1); |
| 314 | 311 |
| 315 intptr_t *saved_fp = (intptr_t*)*(sender_sp - frame::sender_sp_offset); | 312 intptr_t** saved_fp_addr = (intptr_t**) (sender_sp - frame::sender_sp_offset); |
| 316 | |
| 317 // so getting sender for compiled frame is not same as interpreter frame. | |
| 318 // we hard code here temporarily | |
| 319 // spark | |
| 320 | 313 |
| 321 if (map->update_map()) { | 314 if (map->update_map()) { |
| 322 // Tell GC to use argument oopmaps for some runtime stubs that need it. | 315 // Tell GC to use argument oopmaps for some runtime stubs that need it. |
| 323 // For C1, the runtime stub might not have oop maps, so set this flag | 316 // For C1, the runtime stub might not have oop maps, so set this flag |
| 324 // outside of update_register_map. | 317 // outside of update_register_map. |
| 325 | |
| 326 map->set_include_argument_oops(_cb->caller_must_gc_arguments(map->thread())); | 318 map->set_include_argument_oops(_cb->caller_must_gc_arguments(map->thread())); |
| 327 if (_cb->oop_maps() != NULL) { | 319 if (_cb->oop_maps() != NULL) { |
| 328 OopMapSet::update_register_map(this, map); | 320 OopMapSet::update_register_map(this, map); |
| 329 } | 321 } |
| 322 | |
| 330 // Since the prolog does the save and restore of epb there is no oopmap | 323 // Since the prolog does the save and restore of epb there is no oopmap |
| 331 // for it so we must fill in its location as if there was an oopmap entry | 324 // for it so we must fill in its location as if there was an oopmap entry |
| 332 // since if our caller was compiled code there could be live jvm state in it. | 325 // since if our caller was compiled code there could be live jvm state in it. |
| 333 // map->set_location(ebp->as_VMReg(), (address) (sender_sp - frame::sender_sp_offset)); | 326 map->set_location(FP->as_VMReg(), (address) saved_fp_addr); |
| 334 map->set_location(FP->as_VMReg(), (address) (sender_sp - frame::sender_sp_offset)); | |
| 335 } | 327 } |
| 336 assert(sender_sp != sp(), "must have changed"); | 328 assert(sender_sp != sp(), "must have changed"); |
| 337 return frame(sender_sp, saved_fp, sender_pc); | 329 return frame(sender_sp, *saved_fp_addr, sender_pc); |
| 338 } | 330 } |
| 339 | 331 |
| 340 frame frame::sender(RegisterMap* map) const { | 332 frame frame::sender(RegisterMap* map) const { |
| 341 // Default is we done have to follow them. The sender_for_xxx will | 333 // Default is we done have to follow them. The sender_for_xxx will |
| 342 // update it accordingly | 334 // update it accordingly |
