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Issue 2106113002: Revert of [builtins] New frame type for exits to C++ builtins (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 5 months ago
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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_MIPS 5 #if V8_TARGET_ARCH_MIPS
6 6
7 #include "src/codegen.h" 7 #include "src/codegen.h"
8 #include "src/debug/debug.h" 8 #include "src/debug/debug.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 #include "src/runtime/runtime.h" 11 #include "src/runtime/runtime.h"
12 12
13 13
14 namespace v8 { 14 namespace v8 {
15 namespace internal { 15 namespace internal {
16 16
17 17
18 #define __ ACCESS_MASM(masm) 18 #define __ ACCESS_MASM(masm)
19 19
20 void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id, 20 void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id) {
21 ExitFrameType exit_frame_type) {
22 // ----------- S t a t e ------------- 21 // ----------- S t a t e -------------
23 // -- a0 : number of arguments excluding receiver 22 // -- a0 : number of arguments excluding receiver
24 // -- a1 : target 23 // -- a1 : target
25 // -- a3 : new.target 24 // -- a3 : new.target
26 // -- sp[0] : last argument 25 // -- sp[0] : last argument
27 // -- ... 26 // -- ...
28 // -- sp[4 * (argc - 1)] : first argument 27 // -- sp[4 * (argc - 1)] : first argument
29 // -- sp[4 * agrc] : receiver 28 // -- sp[4 * agrc] : receiver
30 // ----------------------------------- 29 // -----------------------------------
31 __ AssertFunction(a1); 30 __ AssertFunction(a1);
32 31
33 // Make sure we operate in the context of the called function (for example 32 // Make sure we operate in the context of the called function (for example
34 // ConstructStubs implemented in C++ will be run in the context of the caller 33 // ConstructStubs implemented in C++ will be run in the context of the caller
35 // instead of the callee, due to the way that [[Construct]] is defined for 34 // instead of the callee, due to the way that [[Construct]] is defined for
36 // ordinary functions). 35 // ordinary functions).
37 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); 36 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset));
38 37
39 // Insert extra arguments. 38 // Insert extra arguments.
40 const int num_extra_args = 2; 39 const int num_extra_args = 2;
41 __ Push(a1, a3); 40 __ Push(a1, a3);
42 41
43 // JumpToExternalReference expects a0 to contain the number of arguments 42 // JumpToExternalReference expects a0 to contain the number of arguments
44 // including the receiver and the extra arguments. 43 // including the receiver and the extra arguments.
45 __ Addu(a0, a0, num_extra_args + 1); 44 __ Addu(a0, a0, num_extra_args + 1);
46 45
47 __ JumpToExternalReference(ExternalReference(id, masm->isolate()), PROTECT, 46 __ JumpToExternalReference(ExternalReference(id, masm->isolate()));
48 exit_frame_type == BUILTIN_EXIT);
49 } 47 }
50 48
51 49
52 // Load the built-in InternalArray function from the current context. 50 // Load the built-in InternalArray function from the current context.
53 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm, 51 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
54 Register result) { 52 Register result) {
55 // Load the InternalArray function from the native context. 53 // Load the InternalArray function from the native context.
56 __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result); 54 __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result);
57 } 55 }
58 56
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2972 } 2970 }
2973 } 2971 }
2974 2972
2975 2973
2976 #undef __ 2974 #undef __
2977 2975
2978 } // namespace internal 2976 } // namespace internal
2979 } // namespace v8 2977 } // namespace v8
2980 2978
2981 #endif // V8_TARGET_ARCH_MIPS 2979 #endif // V8_TARGET_ARCH_MIPS
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