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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
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| 579 __ add(r4, sp, Operand(kSavedRegistersAreaSize + (1 * kPointerSize))); | 579 __ add(r4, sp, Operand(kSavedRegistersAreaSize + (1 * kPointerSize))); |
| 580 } else { | 580 } else { |
| 581 __ mov(r3, lr); | 581 __ mov(r3, lr); |
| 582 // Correct two words for bailout id and return address. | 582 // Correct two words for bailout id and return address. |
| 583 __ add(r4, sp, Operand(kSavedRegistersAreaSize + (2 * kPointerSize))); | 583 __ add(r4, sp, Operand(kSavedRegistersAreaSize + (2 * kPointerSize))); |
| 584 } | 584 } |
| 585 __ sub(r4, fp, r4); | 585 __ sub(r4, fp, r4); |
| 586 | 586 |
| 587 // Allocate a new deoptimizer object. | 587 // Allocate a new deoptimizer object. |
| 588 // Pass four arguments in r0 to r3 and fifth argument on stack. | 588 // Pass four arguments in r0 to r3 and fifth argument on stack. |
| 589 __ PrepareCallCFunction(5, r5); | 589 __ PrepareCallCFunction(6, r5); |
| 590 __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 590 __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
| 591 __ mov(r1, Operand(type())); // bailout type, | 591 __ mov(r1, Operand(type())); // bailout type, |
| 592 // r2: bailout id already loaded. | 592 // r2: bailout id already loaded. |
| 593 // r3: code address or 0 already loaded. | 593 // r3: code address or 0 already loaded. |
| 594 __ str(r4, MemOperand(sp, 0 * kPointerSize)); // Fp-to-sp delta. | 594 __ str(r4, MemOperand(sp, 0 * kPointerSize)); // Fp-to-sp delta. |
| 595 __ mov(r5, Operand(ExternalReference::isolate_address())); |
| 596 __ str(r5, MemOperand(sp, 1 * kPointerSize)); // Isolate. |
| 595 // Call Deoptimizer::New(). | 597 // Call Deoptimizer::New(). |
| 596 __ CallCFunction(ExternalReference::new_deoptimizer_function(isolate), 5); | 598 __ CallCFunction(ExternalReference::new_deoptimizer_function(isolate), 6); |
| 597 | 599 |
| 598 // Preserve "deoptimizer" object in register r0 and get the input | 600 // Preserve "deoptimizer" object in register r0 and get the input |
| 599 // frame descriptor pointer to r1 (deoptimizer->input_); | 601 // frame descriptor pointer to r1 (deoptimizer->input_); |
| 600 __ ldr(r1, MemOperand(r0, Deoptimizer::input_offset())); | 602 __ ldr(r1, MemOperand(r0, Deoptimizer::input_offset())); |
| 601 | 603 |
| 602 // Copy core registers into FrameDescription::registers_[kNumRegisters]. | 604 // Copy core registers into FrameDescription::registers_[kNumRegisters]. |
| 603 ASSERT(Register::kNumRegisters == kNumberOfRegisters); | 605 ASSERT(Register::kNumRegisters == kNumberOfRegisters); |
| 604 for (int i = 0; i < kNumberOfRegisters; i++) { | 606 for (int i = 0; i < kNumberOfRegisters; i++) { |
| 605 int offset = (i * kPointerSize) + FrameDescription::registers_offset(); | 607 int offset = (i * kPointerSize) + FrameDescription::registers_offset(); |
| 606 __ ldr(r2, MemOperand(sp, i * kPointerSize)); | 608 __ ldr(r2, MemOperand(sp, i * kPointerSize)); |
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| 726 __ push(ip); | 728 __ push(ip); |
| 727 __ b(&done); | 729 __ b(&done); |
| 728 ASSERT(masm()->pc_offset() - start == table_entry_size_); | 730 ASSERT(masm()->pc_offset() - start == table_entry_size_); |
| 729 } | 731 } |
| 730 __ bind(&done); | 732 __ bind(&done); |
| 731 } | 733 } |
| 732 | 734 |
| 733 #undef __ | 735 #undef __ |
| 734 | 736 |
| 735 } } // namespace v8::internal | 737 } } // namespace v8::internal |
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