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Issue 2090723005: [builtins] New frame type for exits to C++ builtins (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Add missing condition in SafeStackFrameIter::frame() 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) {
21 // ----------- S t a t e ------------- 22 // ----------- S t a t e -------------
22 // -- a0 : number of arguments excluding receiver 23 // -- a0 : number of arguments excluding receiver
23 // -- a1 : target 24 // -- a1 : target
24 // -- a3 : new.target 25 // -- a3 : new.target
25 // -- sp[0] : last argument 26 // -- sp[0] : last argument
26 // -- ... 27 // -- ...
27 // -- sp[4 * (argc - 1)] : first argument 28 // -- sp[4 * (argc - 1)] : first argument
28 // -- sp[4 * agrc] : receiver 29 // -- sp[4 * agrc] : receiver
29 // ----------------------------------- 30 // -----------------------------------
30 __ AssertFunction(a1); 31 __ AssertFunction(a1);
31 32
32 // Make sure we operate in the context of the called function (for example 33 // Make sure we operate in the context of the called function (for example
33 // ConstructStubs implemented in C++ will be run in the context of the caller 34 // ConstructStubs implemented in C++ will be run in the context of the caller
34 // instead of the callee, due to the way that [[Construct]] is defined for 35 // instead of the callee, due to the way that [[Construct]] is defined for
35 // ordinary functions). 36 // ordinary functions).
36 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); 37 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset));
37 38
38 // Insert extra arguments. 39 // Insert extra arguments.
39 const int num_extra_args = 2; 40 const int num_extra_args = 2;
40 __ Push(a1, a3); 41 __ Push(a1, a3);
41 42
42 // JumpToExternalReference expects a0 to contain the number of arguments 43 // JumpToExternalReference expects a0 to contain the number of arguments
43 // including the receiver and the extra arguments. 44 // including the receiver and the extra arguments.
44 __ Addu(a0, a0, num_extra_args + 1); 45 __ Addu(a0, a0, num_extra_args + 1);
45 46
46 __ JumpToExternalReference(ExternalReference(id, masm->isolate())); 47 __ JumpToExternalReference(ExternalReference(id, masm->isolate()), PROTECT,
48 exit_frame_type == BUILTIN_EXIT);
47 } 49 }
48 50
49 51
50 // Load the built-in InternalArray function from the current context. 52 // Load the built-in InternalArray function from the current context.
51 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm, 53 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
52 Register result) { 54 Register result) {
53 // Load the InternalArray function from the native context. 55 // Load the InternalArray function from the native context.
54 __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result); 56 __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result);
55 } 57 }
56 58
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2970 } 2972 }
2971 } 2973 }
2972 2974
2973 2975
2974 #undef __ 2976 #undef __
2975 2977
2976 } // namespace internal 2978 } // namespace internal
2977 } // namespace v8 2979 } // namespace v8
2978 2980
2979 #endif // V8_TARGET_ARCH_MIPS 2981 #endif // V8_TARGET_ARCH_MIPS
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