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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/code-factory.h" | 7 #include "src/code-factory.h" |
| 8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
| 9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
| 10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
| 11 | 11 |
| 12 namespace v8 { | 12 namespace v8 { |
| 13 namespace internal { | 13 namespace internal { |
| 14 | 14 |
| 15 #define __ ACCESS_MASM(masm) | 15 #define __ ACCESS_MASM(masm) |
| 16 | 16 |
| 17 void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id, | 17 void Builtins::Generate_Adaptor(MacroAssembler* masm, Address address, |
| 18 ExitFrameType exit_frame_type) { | 18 ExitFrameType exit_frame_type) { |
| 19 // ----------- S t a t e ------------- | 19 // ----------- S t a t e ------------- |
| 20 // -- rax : number of arguments excluding receiver | 20 // -- rax : number of arguments excluding receiver |
| 21 // -- rdi : target | 21 // -- rdi : target |
| 22 // -- rdx : new.target | 22 // -- rdx : new.target |
| 23 // -- rsp[0] : return address | 23 // -- rsp[0] : return address |
| 24 // -- rsp[8] : last argument | 24 // -- rsp[8] : last argument |
| 25 // -- ... | 25 // -- ... |
| 26 // -- rsp[8 * argc] : first argument | 26 // -- rsp[8 * argc] : first argument |
| 27 // -- rsp[8 * (argc + 1)] : receiver | 27 // -- rsp[8 * (argc + 1)] : receiver |
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| 42 // Unconditionally insert argc, target and new target as extra arguments. They | 42 // Unconditionally insert argc, target and new target as extra arguments. They |
| 43 // will be used by stack frame iterators when constructing the stack trace. | 43 // will be used by stack frame iterators when constructing the stack trace. |
| 44 __ PopReturnAddressTo(kScratchRegister); | 44 __ PopReturnAddressTo(kScratchRegister); |
| 45 __ Integer32ToSmi(rax, rax); | 45 __ Integer32ToSmi(rax, rax); |
| 46 __ Push(rax); | 46 __ Push(rax); |
| 47 __ SmiToInteger32(rax, rax); | 47 __ SmiToInteger32(rax, rax); |
| 48 __ Push(rdi); | 48 __ Push(rdi); |
| 49 __ Push(rdx); | 49 __ Push(rdx); |
| 50 __ PushReturnAddressFrom(kScratchRegister); | 50 __ PushReturnAddressFrom(kScratchRegister); |
| 51 | 51 |
| 52 __ JumpToExternalReference(ExternalReference(id, masm->isolate()), | 52 __ JumpToExternalReference(ExternalReference(address, masm->isolate()), |
| 53 exit_frame_type == BUILTIN_EXIT); | 53 exit_frame_type == BUILTIN_EXIT); |
| 54 } | 54 } |
| 55 | 55 |
| 56 static void GenerateTailCallToSharedCode(MacroAssembler* masm) { | 56 static void GenerateTailCallToSharedCode(MacroAssembler* masm) { |
| 57 __ movp(kScratchRegister, | 57 __ movp(kScratchRegister, |
| 58 FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); | 58 FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); |
| 59 __ movp(kScratchRegister, | 59 __ movp(kScratchRegister, |
| 60 FieldOperand(kScratchRegister, SharedFunctionInfo::kCodeOffset)); | 60 FieldOperand(kScratchRegister, SharedFunctionInfo::kCodeOffset)); |
| 61 __ leap(kScratchRegister, FieldOperand(kScratchRegister, Code::kHeaderSize)); | 61 __ leap(kScratchRegister, FieldOperand(kScratchRegister, Code::kHeaderSize)); |
| 62 __ jmp(kScratchRegister); | 62 __ jmp(kScratchRegister); |
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| 3034 // And "return" to the OSR entry point of the function. | 3034 // And "return" to the OSR entry point of the function. |
| 3035 __ ret(0); | 3035 __ ret(0); |
| 3036 } | 3036 } |
| 3037 | 3037 |
| 3038 #undef __ | 3038 #undef __ |
| 3039 | 3039 |
| 3040 } // namespace internal | 3040 } // namespace internal |
| 3041 } // namespace v8 | 3041 } // namespace v8 |
| 3042 | 3042 |
| 3043 #endif // V8_TARGET_ARCH_X64 | 3043 #endif // V8_TARGET_ARCH_X64 |
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