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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_X64 | 5 #if V8_TARGET_ARCH_X64 |
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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3815 void MacroAssembler::DebugBreak() { | 3815 void MacroAssembler::DebugBreak() { |
3816 Set(rax, 0); // No arguments. | 3816 Set(rax, 0); // No arguments. |
3817 LoadAddress(rbx, | 3817 LoadAddress(rbx, |
3818 ExternalReference(Runtime::kHandleDebuggerStatement, isolate())); | 3818 ExternalReference(Runtime::kHandleDebuggerStatement, isolate())); |
3819 CEntryStub ces(isolate(), 1); | 3819 CEntryStub ces(isolate(), 1); |
3820 DCHECK(AllowThisStubCall(&ces)); | 3820 DCHECK(AllowThisStubCall(&ces)); |
3821 Call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT); | 3821 Call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT); |
3822 } | 3822 } |
3823 | 3823 |
3824 | 3824 |
3825 void MacroAssembler::InvokeFunction(Register function, | |
3826 const ParameterCount& actual, | |
3827 InvokeFlag flag, | |
3828 const CallWrapper& call_wrapper) { | |
3829 movp(rdx, FieldOperand(function, JSFunction::kSharedFunctionInfoOffset)); | |
3830 LoadSharedFunctionInfoSpecialField( | |
3831 rbx, rdx, SharedFunctionInfo::kFormalParameterCountOffset); | |
3832 | |
3833 ParameterCount expected(rbx); | |
3834 InvokeFunction(function, expected, actual, flag, call_wrapper); | |
3835 } | |
3836 | |
3837 | |
3838 void MacroAssembler::InvokeFunction(Handle<JSFunction> function, | |
3839 const ParameterCount& expected, | |
3840 const ParameterCount& actual, | |
3841 InvokeFlag flag, | |
3842 const CallWrapper& call_wrapper) { | |
3843 Move(rdi, function); | |
3844 InvokeFunction(rdi, expected, actual, flag, call_wrapper); | |
3845 } | |
3846 | |
3847 | |
3848 void MacroAssembler::InvokeFunction(Register function, | |
3849 const ParameterCount& expected, | |
3850 const ParameterCount& actual, | |
3851 InvokeFlag flag, | |
3852 const CallWrapper& call_wrapper) { | |
3853 DCHECK(function.is(rdi)); | |
3854 movp(rsi, FieldOperand(function, JSFunction::kContextOffset)); | |
3855 // Advances rdx to the end of the Code object header, to the start of | |
3856 // the executable code. | |
3857 movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset)); | |
3858 InvokeCode(rdx, expected, actual, flag, call_wrapper); | |
3859 } | |
3860 | |
3861 | |
3862 void MacroAssembler::InvokeCode(Register code, | 3825 void MacroAssembler::InvokeCode(Register code, |
3863 const ParameterCount& expected, | 3826 const ParameterCount& expected, |
3864 const ParameterCount& actual, | 3827 const ParameterCount& actual, |
3865 InvokeFlag flag, | 3828 InvokeFlag flag, |
3866 const CallWrapper& call_wrapper) { | 3829 const CallWrapper& call_wrapper) { |
3867 // You can't call a function without a valid frame. | 3830 // You can't call a function without a valid frame. |
3868 DCHECK(flag == JUMP_FUNCTION || has_frame()); | 3831 DCHECK(flag == JUMP_FUNCTION || has_frame()); |
3869 | 3832 |
3870 Label done; | 3833 Label done; |
3871 bool definitely_mismatches = false; | 3834 bool definitely_mismatches = false; |
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3885 call_wrapper.AfterCall(); | 3848 call_wrapper.AfterCall(); |
3886 } else { | 3849 } else { |
3887 DCHECK(flag == JUMP_FUNCTION); | 3850 DCHECK(flag == JUMP_FUNCTION); |
3888 jmp(code); | 3851 jmp(code); |
3889 } | 3852 } |
3890 bind(&done); | 3853 bind(&done); |
3891 } | 3854 } |
3892 } | 3855 } |
3893 | 3856 |
3894 | 3857 |
| 3858 void MacroAssembler::InvokeFunction(Register function, |
| 3859 const ParameterCount& actual, |
| 3860 InvokeFlag flag, |
| 3861 const CallWrapper& call_wrapper) { |
| 3862 // You can't call a function without a valid frame. |
| 3863 DCHECK(flag == JUMP_FUNCTION || has_frame()); |
| 3864 |
| 3865 DCHECK(function.is(rdi)); |
| 3866 movp(rdx, FieldOperand(function, JSFunction::kSharedFunctionInfoOffset)); |
| 3867 movp(rsi, FieldOperand(function, JSFunction::kContextOffset)); |
| 3868 LoadSharedFunctionInfoSpecialField(rbx, rdx, |
| 3869 SharedFunctionInfo::kFormalParameterCountOffset); |
| 3870 // Advances rdx to the end of the Code object header, to the start of |
| 3871 // the executable code. |
| 3872 movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset)); |
| 3873 |
| 3874 ParameterCount expected(rbx); |
| 3875 InvokeCode(rdx, expected, actual, flag, call_wrapper); |
| 3876 } |
| 3877 |
| 3878 |
| 3879 void MacroAssembler::InvokeFunction(Register function, |
| 3880 const ParameterCount& expected, |
| 3881 const ParameterCount& actual, |
| 3882 InvokeFlag flag, |
| 3883 const CallWrapper& call_wrapper) { |
| 3884 // You can't call a function without a valid frame. |
| 3885 DCHECK(flag == JUMP_FUNCTION || has_frame()); |
| 3886 |
| 3887 DCHECK(function.is(rdi)); |
| 3888 movp(rsi, FieldOperand(function, JSFunction::kContextOffset)); |
| 3889 // Advances rdx to the end of the Code object header, to the start of |
| 3890 // the executable code. |
| 3891 movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset)); |
| 3892 |
| 3893 InvokeCode(rdx, expected, actual, flag, call_wrapper); |
| 3894 } |
| 3895 |
| 3896 |
| 3897 void MacroAssembler::InvokeFunction(Handle<JSFunction> function, |
| 3898 const ParameterCount& expected, |
| 3899 const ParameterCount& actual, |
| 3900 InvokeFlag flag, |
| 3901 const CallWrapper& call_wrapper) { |
| 3902 Move(rdi, function); |
| 3903 InvokeFunction(rdi, expected, actual, flag, call_wrapper); |
| 3904 } |
| 3905 |
| 3906 |
3895 void MacroAssembler::InvokePrologue(const ParameterCount& expected, | 3907 void MacroAssembler::InvokePrologue(const ParameterCount& expected, |
3896 const ParameterCount& actual, | 3908 const ParameterCount& actual, |
3897 Handle<Code> code_constant, | 3909 Handle<Code> code_constant, |
3898 Register code_register, | 3910 Register code_register, |
3899 Label* done, | 3911 Label* done, |
3900 bool* definitely_mismatches, | 3912 bool* definitely_mismatches, |
3901 InvokeFlag flag, | 3913 InvokeFlag flag, |
3902 Label::Distance near_jump, | 3914 Label::Distance near_jump, |
3903 const CallWrapper& call_wrapper) { | 3915 const CallWrapper& call_wrapper) { |
3904 bool definitely_matches = false; | 3916 bool definitely_matches = false; |
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5360 movl(rax, dividend); | 5372 movl(rax, dividend); |
5361 shrl(rax, Immediate(31)); | 5373 shrl(rax, Immediate(31)); |
5362 addl(rdx, rax); | 5374 addl(rdx, rax); |
5363 } | 5375 } |
5364 | 5376 |
5365 | 5377 |
5366 } // namespace internal | 5378 } // namespace internal |
5367 } // namespace v8 | 5379 } // namespace v8 |
5368 | 5380 |
5369 #endif // V8_TARGET_ARCH_X64 | 5381 #endif // V8_TARGET_ARCH_X64 |
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