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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_X87 | 5 #if V8_TARGET_ARCH_X87 |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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5158 | 5158 |
5159 Register callee = edi; | 5159 Register callee = edi; |
5160 Register call_data = ebx; | 5160 Register call_data = ebx; |
5161 Register holder = ecx; | 5161 Register holder = ecx; |
5162 Register api_function_address = edx; | 5162 Register api_function_address = edx; |
5163 Register context = esi; | 5163 Register context = esi; |
5164 Register return_address = eax; | 5164 Register return_address = eax; |
5165 | 5165 |
5166 typedef FunctionCallbackArguments FCA; | 5166 typedef FunctionCallbackArguments FCA; |
5167 | 5167 |
5168 STATIC_ASSERT(FCA::kContextSaveIndex == 5); | 5168 STATIC_ASSERT(FCA::kContextSaveIndex == 6); |
| 5169 STATIC_ASSERT(FCA::kCalleeIndex == 5); |
5169 STATIC_ASSERT(FCA::kDataIndex == 4); | 5170 STATIC_ASSERT(FCA::kDataIndex == 4); |
5170 STATIC_ASSERT(FCA::kReturnValueOffset == 3); | 5171 STATIC_ASSERT(FCA::kReturnValueOffset == 3); |
5171 STATIC_ASSERT(FCA::kReturnValueDefaultValueIndex == 2); | 5172 STATIC_ASSERT(FCA::kReturnValueDefaultValueIndex == 2); |
5172 STATIC_ASSERT(FCA::kIsolateIndex == 1); | 5173 STATIC_ASSERT(FCA::kIsolateIndex == 1); |
5173 STATIC_ASSERT(FCA::kHolderIndex == 0); | 5174 STATIC_ASSERT(FCA::kHolderIndex == 0); |
5174 STATIC_ASSERT(FCA::kArgsLength == 6); | 5175 STATIC_ASSERT(FCA::kArgsLength == 7); |
5175 | 5176 |
5176 DCHECK(argc.is_immediate() || eax.is(argc.reg())); | 5177 DCHECK(argc.is_immediate() || eax.is(argc.reg())); |
5177 | 5178 |
5178 if (argc.is_immediate()) { | 5179 if (argc.is_immediate()) { |
5179 __ pop(return_address); | 5180 __ pop(return_address); |
5180 // context save. | 5181 // context save. |
5181 __ push(context); | 5182 __ push(context); |
5182 } else { | 5183 } else { |
5183 // pop return address and save context | 5184 // pop return address and save context |
5184 __ xchg(context, Operand(esp, 0)); | 5185 __ xchg(context, Operand(esp, 0)); |
5185 return_address = context; | 5186 return_address = context; |
5186 } | 5187 } |
5187 | 5188 |
| 5189 // callee |
| 5190 __ push(callee); |
| 5191 |
5188 // call data | 5192 // call data |
5189 __ push(call_data); | 5193 __ push(call_data); |
5190 | 5194 |
5191 Register scratch = call_data; | 5195 Register scratch = call_data; |
5192 if (!call_data_undefined) { | 5196 if (!call_data_undefined) { |
5193 // return value | 5197 // return value |
5194 __ push(Immediate(masm->isolate()->factory()->undefined_value())); | 5198 __ push(Immediate(masm->isolate()->factory()->undefined_value())); |
5195 // return value default | 5199 // return value default |
5196 __ push(Immediate(masm->isolate()->factory()->undefined_value())); | 5200 __ push(Immediate(masm->isolate()->factory()->undefined_value())); |
5197 } else { | 5201 } else { |
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5332 Operand(ebp, 7 * kPointerSize), NULL); | 5336 Operand(ebp, 7 * kPointerSize), NULL); |
5333 } | 5337 } |
5334 | 5338 |
5335 | 5339 |
5336 #undef __ | 5340 #undef __ |
5337 | 5341 |
5338 } // namespace internal | 5342 } // namespace internal |
5339 } // namespace v8 | 5343 } // namespace v8 |
5340 | 5344 |
5341 #endif // V8_TARGET_ARCH_X87 | 5345 #endif // V8_TARGET_ARCH_X87 |
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