OLD | NEW |
1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 375 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
386 Address fp = Memory::Address_at(this->fp() + offset); | 386 Address fp = Memory::Address_at(this->fp() + offset); |
387 return ExitFrame::GetStateForFramePointer(fp, state); | 387 return ExitFrame::GetStateForFramePointer(fp, state); |
388 } | 388 } |
389 | 389 |
390 | 390 |
391 Code* EntryConstructFrame::code() const { | 391 Code* EntryConstructFrame::code() const { |
392 return Heap::js_construct_entry_code(); | 392 return Heap::js_construct_entry_code(); |
393 } | 393 } |
394 | 394 |
395 | 395 |
396 Object*& ExitFrame::code_slot() const { | |
397 const int offset = ExitFrameConstants::kCodeOffset; | |
398 return Memory::Object_at(fp() + offset); | |
399 } | |
400 | |
401 | |
402 Code* ExitFrame::code() const { | 396 Code* ExitFrame::code() const { |
403 Object* code = code_slot(); | 397 return Heap::c_entry_code(); |
404 if (code->IsSmi()) { | |
405 return Heap::c_entry_debug_break_code(); | |
406 } else { | |
407 return Code::cast(code); | |
408 } | |
409 } | 398 } |
410 | 399 |
411 | 400 |
412 void ExitFrame::ComputeCallerState(State* state) const { | 401 void ExitFrame::ComputeCallerState(State* state) const { |
413 // Setup the caller state. | 402 // Setup the caller state. |
414 state->sp = caller_sp(); | 403 state->sp = caller_sp(); |
415 state->fp = Memory::Address_at(fp() + ExitFrameConstants::kCallerFPOffset); | 404 state->fp = Memory::Address_at(fp() + ExitFrameConstants::kCallerFPOffset); |
416 state->pc_address | 405 state->pc_address |
417 = reinterpret_cast<Address*>(fp() + ExitFrameConstants::kCallerPCOffset); | 406 = reinterpret_cast<Address*>(fp() + ExitFrameConstants::kCallerPCOffset); |
418 } | 407 } |
419 | 408 |
420 | 409 |
421 Address ExitFrame::GetCallerStackPointer() const { | 410 Address ExitFrame::GetCallerStackPointer() const { |
422 return fp() + ExitFrameConstants::kCallerSPDisplacement; | 411 return fp() + ExitFrameConstants::kCallerSPDisplacement; |
423 } | 412 } |
424 | 413 |
425 | 414 |
| 415 Code* ExitDebugFrame::code() const { |
| 416 return Heap::c_entry_debug_break_code(); |
| 417 } |
| 418 |
| 419 |
426 Address StandardFrame::GetExpressionAddress(int n) const { | 420 Address StandardFrame::GetExpressionAddress(int n) const { |
427 const int offset = StandardFrameConstants::kExpressionsOffset; | 421 const int offset = StandardFrameConstants::kExpressionsOffset; |
428 return fp() + offset - n * kPointerSize; | 422 return fp() + offset - n * kPointerSize; |
429 } | 423 } |
430 | 424 |
431 | 425 |
432 int StandardFrame::ComputeExpressionsCount() const { | 426 int StandardFrame::ComputeExpressionsCount() const { |
433 const int offset = | 427 const int offset = |
434 StandardFrameConstants::kExpressionsOffset + kPointerSize; | 428 StandardFrameConstants::kExpressionsOffset + kPointerSize; |
435 Address base = fp() + offset; | 429 Address base = fp() + offset; |
(...skipping 304 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
740 reg_code[i++] = r; | 734 reg_code[i++] = r; |
741 | 735 |
742 ASSERT(i == kNumJSCallerSaved); | 736 ASSERT(i == kNumJSCallerSaved); |
743 } | 737 } |
744 ASSERT(0 <= n && n < kNumJSCallerSaved); | 738 ASSERT(0 <= n && n < kNumJSCallerSaved); |
745 return reg_code[n]; | 739 return reg_code[n]; |
746 } | 740 } |
747 | 741 |
748 | 742 |
749 } } // namespace v8::internal | 743 } } // namespace v8::internal |
OLD | NEW |