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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_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
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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2945 RecordComment("Abort message: "); | 2945 RecordComment("Abort message: "); |
2946 RecordComment(msg); | 2946 RecordComment(msg); |
2947 } | 2947 } |
2948 | 2948 |
2949 if (FLAG_trap_on_abort) { | 2949 if (FLAG_trap_on_abort) { |
2950 int3(); | 2950 int3(); |
2951 return; | 2951 return; |
2952 } | 2952 } |
2953 #endif | 2953 #endif |
2954 | 2954 |
2955 push(Immediate(reinterpret_cast<intptr_t>(Smi::FromInt(reason)))); | 2955 // Check if Abort() has already been initialized. |
| 2956 DCHECK(isolate()->builtins()->Abort()->IsHeapObject()); |
| 2957 |
| 2958 Move(edx, Smi::FromInt(static_cast<int>(reason))); |
| 2959 |
2956 // Disable stub call restrictions to always allow calls to abort. | 2960 // Disable stub call restrictions to always allow calls to abort. |
2957 if (!has_frame_) { | 2961 if (!has_frame_) { |
2958 // We don't actually want to generate a pile of code for this, so just | 2962 // We don't actually want to generate a pile of code for this, so just |
2959 // claim there is a stack frame, without generating one. | 2963 // claim there is a stack frame, without generating one. |
2960 FrameScope scope(this, StackFrame::NONE); | 2964 FrameScope scope(this, StackFrame::NONE); |
2961 CallRuntime(Runtime::kAbort); | 2965 Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET); |
2962 } else { | 2966 } else { |
2963 CallRuntime(Runtime::kAbort); | 2967 Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET); |
2964 } | 2968 } |
2965 // will not return here | 2969 // will not return here |
2966 int3(); | 2970 int3(); |
2967 } | 2971 } |
2968 | 2972 |
2969 | 2973 |
2970 void MacroAssembler::LoadInstanceDescriptors(Register map, | 2974 void MacroAssembler::LoadInstanceDescriptors(Register map, |
2971 Register descriptors) { | 2975 Register descriptors) { |
2972 mov(descriptors, FieldOperand(map, Map::kDescriptorsOffset)); | 2976 mov(descriptors, FieldOperand(map, Map::kDescriptorsOffset)); |
2973 } | 2977 } |
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3454 mov(eax, dividend); | 3458 mov(eax, dividend); |
3455 shr(eax, 31); | 3459 shr(eax, 31); |
3456 add(edx, eax); | 3460 add(edx, eax); |
3457 } | 3461 } |
3458 | 3462 |
3459 | 3463 |
3460 } // namespace internal | 3464 } // namespace internal |
3461 } // namespace v8 | 3465 } // namespace v8 |
3462 | 3466 |
3463 #endif // V8_TARGET_ARCH_IA32 | 3467 #endif // V8_TARGET_ARCH_IA32 |
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