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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_ARM 5 #if V8_TARGET_ARCH_ARM
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 namespace v8 { 13 namespace v8 {
14 namespace internal { 14 namespace internal {
15 15
16 16
17 #define __ ACCESS_MASM(masm) 17 #define __ ACCESS_MASM(masm)
18 18
19 void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id) { 19 void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id,
20 ExitFrameType exit_frame_type) {
20 // ----------- S t a t e ------------- 21 // ----------- S t a t e -------------
21 // -- r0 : number of arguments excluding receiver 22 // -- r0 : number of arguments excluding receiver
22 // -- r1 : target 23 // -- r1 : target
23 // -- r3 : new.target 24 // -- r3 : new.target
24 // -- sp[0] : last argument 25 // -- sp[0] : last argument
25 // -- ... 26 // -- ...
26 // -- sp[4 * (argc - 1)] : first argument 27 // -- sp[4 * (argc - 1)] : first argument
27 // -- sp[4 * argc] : receiver 28 // -- sp[4 * argc] : receiver
28 // ----------------------------------- 29 // -----------------------------------
29 __ AssertFunction(r1); 30 __ AssertFunction(r1);
30 31
31 // 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
32 // 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
33 // 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
34 // ordinary functions). 35 // ordinary functions).
35 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); 36 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
36 37
37 // Insert extra arguments. 38 // Insert extra arguments.
38 const int num_extra_args = 2; 39 const int num_extra_args = 2;
39 __ Push(r1, r3); 40 __ Push(r1, r3);
40 41
41 // JumpToExternalReference expects r0 to contain the number of arguments 42 // JumpToExternalReference expects r0 to contain the number of arguments
42 // including the receiver and the extra arguments. 43 // including the receiver and the extra arguments.
43 __ add(r0, r0, Operand(num_extra_args + 1)); 44 __ add(r0, r0, Operand(num_extra_args + 1));
44 45
45 __ JumpToExternalReference(ExternalReference(id, masm->isolate())); 46 __ JumpToExternalReference(ExternalReference(id, masm->isolate()),
47 exit_frame_type == BUILTIN_EXIT);
46 } 48 }
47 49
48 50
49 // Load the built-in InternalArray function from the current context. 51 // Load the built-in InternalArray function from the current context.
50 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm, 52 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
51 Register result) { 53 Register result) {
52 // Load the InternalArray function from the current native context. 54 // Load the InternalArray function from the current native context.
53 __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result); 55 __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result);
54 } 56 }
55 57
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2876 } 2878 }
2877 } 2879 }
2878 2880
2879 2881
2880 #undef __ 2882 #undef __
2881 2883
2882 } // namespace internal 2884 } // namespace internal
2883 } // namespace v8 2885 } // namespace v8
2884 2886
2885 #endif // V8_TARGET_ARCH_ARM 2887 #endif // V8_TARGET_ARCH_ARM
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