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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 | 15 |
16 #define __ ACCESS_MASM(masm) | 16 #define __ ACCESS_MASM(masm) |
17 | 17 |
18 void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id, | 18 void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id) { |
19 ExitFrameType exit_frame_type) { | |
20 // ----------- S t a t e ------------- | 19 // ----------- S t a t e ------------- |
21 // -- rax : number of arguments excluding receiver | 20 // -- rax : number of arguments excluding receiver |
22 // -- rdi : target | 21 // -- rdi : target |
23 // -- rdx : new.target | 22 // -- rdx : new.target |
24 // -- rsp[0] : return address | 23 // -- rsp[0] : return address |
25 // -- rsp[8] : last argument | 24 // -- rsp[8] : last argument |
26 // -- ... | 25 // -- ... |
27 // -- rsp[8 * argc] : first argument | 26 // -- rsp[8 * argc] : first argument |
28 // -- rsp[8 * (argc + 1)] : receiver | 27 // -- rsp[8 * (argc + 1)] : receiver |
29 // ----------------------------------- | 28 // ----------------------------------- |
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40 const int num_extra_args = 2; | 39 const int num_extra_args = 2; |
41 __ PopReturnAddressTo(kScratchRegister); | 40 __ PopReturnAddressTo(kScratchRegister); |
42 __ Push(rdi); | 41 __ Push(rdi); |
43 __ Push(rdx); | 42 __ Push(rdx); |
44 __ PushReturnAddressFrom(kScratchRegister); | 43 __ PushReturnAddressFrom(kScratchRegister); |
45 | 44 |
46 // JumpToExternalReference expects rax to contain the number of arguments | 45 // JumpToExternalReference expects rax to contain the number of arguments |
47 // including the receiver and the extra arguments. | 46 // including the receiver and the extra arguments. |
48 __ addp(rax, Immediate(num_extra_args + 1)); | 47 __ addp(rax, Immediate(num_extra_args + 1)); |
49 | 48 |
50 __ JumpToExternalReference(ExternalReference(id, masm->isolate()), | 49 __ JumpToExternalReference(ExternalReference(id, masm->isolate())); |
51 exit_frame_type == BUILTIN_EXIT); | |
52 } | 50 } |
53 | 51 |
54 | 52 |
55 static void GenerateTailCallToSharedCode(MacroAssembler* masm) { | 53 static void GenerateTailCallToSharedCode(MacroAssembler* masm) { |
56 __ movp(kScratchRegister, | 54 __ movp(kScratchRegister, |
57 FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); | 55 FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); |
58 __ movp(kScratchRegister, | 56 __ movp(kScratchRegister, |
59 FieldOperand(kScratchRegister, SharedFunctionInfo::kCodeOffset)); | 57 FieldOperand(kScratchRegister, SharedFunctionInfo::kCodeOffset)); |
60 __ leap(kScratchRegister, FieldOperand(kScratchRegister, Code::kHeaderSize)); | 58 __ leap(kScratchRegister, FieldOperand(kScratchRegister, Code::kHeaderSize)); |
61 __ jmp(kScratchRegister); | 59 __ jmp(kScratchRegister); |
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3042 __ ret(0); | 3040 __ ret(0); |
3043 } | 3041 } |
3044 | 3042 |
3045 | 3043 |
3046 #undef __ | 3044 #undef __ |
3047 | 3045 |
3048 } // namespace internal | 3046 } // namespace internal |
3049 } // namespace v8 | 3047 } // namespace v8 |
3050 | 3048 |
3051 #endif // V8_TARGET_ARCH_X64 | 3049 #endif // V8_TARGET_ARCH_X64 |
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