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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #if V8_TARGET_ARCH_X87 | 5 #if V8_TARGET_ARCH_X87 |
| 6 | 6 |
| 7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
| 8 #include "src/base/division-by-constant.h" | 8 #include "src/base/division-by-constant.h" |
| 9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
| 10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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| 2803 RecordComment("Abort message: "); | 2803 RecordComment("Abort message: "); |
| 2804 RecordComment(msg); | 2804 RecordComment(msg); |
| 2805 } | 2805 } |
| 2806 | 2806 |
| 2807 if (FLAG_trap_on_abort) { | 2807 if (FLAG_trap_on_abort) { |
| 2808 int3(); | 2808 int3(); |
| 2809 return; | 2809 return; |
| 2810 } | 2810 } |
| 2811 #endif | 2811 #endif |
| 2812 | 2812 |
| 2813 push(Immediate(reinterpret_cast<intptr_t>(Smi::FromInt(reason)))); | 2813 // Check if Abort() has already been initialized. |
| 2814 DCHECK(isolate()->builtins()->Abort()->IsHeapObject()); |
| 2815 |
| 2816 Move(edx, Smi::FromInt(static_cast<int>(reason))); |
| 2817 |
| 2814 // Disable stub call restrictions to always allow calls to abort. | 2818 // Disable stub call restrictions to always allow calls to abort. |
| 2815 if (!has_frame_) { | 2819 if (!has_frame_) { |
| 2816 // We don't actually want to generate a pile of code for this, so just | 2820 // We don't actually want to generate a pile of code for this, so just |
| 2817 // claim there is a stack frame, without generating one. | 2821 // claim there is a stack frame, without generating one. |
| 2818 FrameScope scope(this, StackFrame::NONE); | 2822 FrameScope scope(this, StackFrame::NONE); |
| 2819 CallRuntime(Runtime::kAbort); | 2823 Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET); |
| 2820 } else { | 2824 } else { |
| 2821 CallRuntime(Runtime::kAbort); | 2825 Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET); |
| 2822 } | 2826 } |
| 2823 // will not return here | 2827 // will not return here |
| 2824 int3(); | 2828 int3(); |
| 2825 } | 2829 } |
| 2826 | 2830 |
| 2827 | 2831 |
| 2828 void MacroAssembler::LoadInstanceDescriptors(Register map, | 2832 void MacroAssembler::LoadInstanceDescriptors(Register map, |
| 2829 Register descriptors) { | 2833 Register descriptors) { |
| 2830 mov(descriptors, FieldOperand(map, Map::kDescriptorsOffset)); | 2834 mov(descriptors, FieldOperand(map, Map::kDescriptorsOffset)); |
| 2831 } | 2835 } |
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| 3301 mov(eax, dividend); | 3305 mov(eax, dividend); |
| 3302 shr(eax, 31); | 3306 shr(eax, 31); |
| 3303 add(edx, eax); | 3307 add(edx, eax); |
| 3304 } | 3308 } |
| 3305 | 3309 |
| 3306 | 3310 |
| 3307 } // namespace internal | 3311 } // namespace internal |
| 3308 } // namespace v8 | 3312 } // namespace v8 |
| 3309 | 3313 |
| 3310 #endif // V8_TARGET_ARCH_X87 | 3314 #endif // V8_TARGET_ARCH_X87 |
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