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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 #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, Address address, |
19 ExitFrameType exit_frame_type) { | 19 ExitFrameType exit_frame_type) { |
20 // ----------- S t a t e ------------- | 20 // ----------- S t a t e ------------- |
21 // -- r0 : number of arguments excluding receiver | 21 // -- r0 : number of arguments excluding receiver |
22 // -- r1 : target | 22 // -- r1 : target |
23 // -- r3 : new.target | 23 // -- r3 : new.target |
24 // -- sp[0] : last argument | 24 // -- sp[0] : last argument |
25 // -- ... | 25 // -- ... |
26 // -- sp[4 * (argc - 1)] : first argument | 26 // -- sp[4 * (argc - 1)] : first argument |
27 // -- sp[4 * argc] : receiver | 27 // -- sp[4 * argc] : receiver |
28 // ----------------------------------- | 28 // ----------------------------------- |
29 __ AssertFunction(r1); | 29 __ AssertFunction(r1); |
30 | 30 |
31 // Make sure we operate in the context of the called function (for example | 31 // 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 | 32 // 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 | 33 // instead of the callee, due to the way that [[Construct]] is defined for |
34 // ordinary functions). | 34 // ordinary functions). |
35 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); | 35 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset)); |
36 | 36 |
37 // JumpToExternalReference expects r0 to contain the number of arguments | 37 // JumpToExternalReference expects r0 to contain the number of arguments |
38 // including the receiver and the extra arguments. | 38 // including the receiver and the extra arguments. |
39 const int num_extra_args = 3; | 39 const int num_extra_args = 3; |
40 __ add(r0, r0, Operand(num_extra_args + 1)); | 40 __ add(r0, r0, Operand(num_extra_args + 1)); |
41 | 41 |
42 // Insert extra arguments. | 42 // Insert extra arguments. |
43 __ SmiTag(r0); | 43 __ SmiTag(r0); |
44 __ Push(r0, r1, r3); | 44 __ Push(r0, r1, r3); |
45 __ SmiUntag(r0); | 45 __ SmiUntag(r0); |
46 | 46 |
47 __ JumpToExternalReference(ExternalReference(id, masm->isolate()), | 47 __ JumpToExternalReference(ExternalReference(address, masm->isolate()), |
48 exit_frame_type == BUILTIN_EXIT); | 48 exit_frame_type == BUILTIN_EXIT); |
49 } | 49 } |
50 | 50 |
51 // Load the built-in InternalArray function from the current context. | 51 // Load the built-in InternalArray function from the current context. |
52 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm, | 52 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm, |
53 Register result) { | 53 Register result) { |
54 // Load the InternalArray function from the current native context. | 54 // Load the InternalArray function from the current native context. |
55 __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result); | 55 __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result); |
56 } | 56 } |
57 | 57 |
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2887 __ bkpt(0); | 2887 __ bkpt(0); |
2888 } | 2888 } |
2889 } | 2889 } |
2890 | 2890 |
2891 #undef __ | 2891 #undef __ |
2892 | 2892 |
2893 } // namespace internal | 2893 } // namespace internal |
2894 } // namespace v8 | 2894 } // namespace v8 |
2895 | 2895 |
2896 #endif // V8_TARGET_ARCH_ARM | 2896 #endif // V8_TARGET_ARCH_ARM |
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