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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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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1136 // Return and remove the on-stack parameters. | 1136 // Return and remove the on-stack parameters. |
1137 __ bind(&done); | 1137 __ bind(&done); |
1138 __ ret(3 * kPointerSize); | 1138 __ ret(3 * kPointerSize); |
1139 | 1139 |
1140 // Do the runtime call to allocate the arguments object. | 1140 // Do the runtime call to allocate the arguments object. |
1141 __ bind(&runtime); | 1141 __ bind(&runtime); |
1142 __ TailCallRuntime(Runtime::kNewStrictArguments, 3, 1); | 1142 __ TailCallRuntime(Runtime::kNewStrictArguments, 3, 1); |
1143 } | 1143 } |
1144 | 1144 |
1145 | 1145 |
1146 void RestParamAccessStub::GenerateNew(MacroAssembler* masm) { | |
1147 // esp[0] : return address | |
1148 // esp[4] : language mode | |
1149 // esp[8] : index of rest parameter | |
1150 // esp[12] : number of parameters | |
1151 // esp[16] : receiver displacement | |
1152 | |
1153 // Check if the calling frame is an arguments adaptor frame. | |
1154 Label runtime; | |
1155 __ mov(edx, Operand(ebp, StandardFrameConstants::kCallerFPOffset)); | |
1156 __ mov(ecx, Operand(edx, StandardFrameConstants::kContextOffset)); | |
1157 __ cmp(ecx, Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); | |
1158 __ j(not_equal, &runtime); | |
1159 | |
1160 // Patch the arguments.length and the parameters pointer. | |
1161 __ mov(ecx, Operand(edx, ArgumentsAdaptorFrameConstants::kLengthOffset)); | |
1162 __ mov(Operand(esp, 3 * kPointerSize), ecx); | |
1163 __ lea(edx, Operand(edx, ecx, times_2, | |
1164 StandardFrameConstants::kCallerSPOffset)); | |
1165 __ mov(Operand(esp, 4 * kPointerSize), edx); | |
1166 | |
1167 __ bind(&runtime); | |
1168 __ TailCallRuntime(Runtime::kNewRestParam, 4, 1); | |
1169 } | |
1170 | |
1171 | |
1172 void RegExpExecStub::Generate(MacroAssembler* masm) { | 1146 void RegExpExecStub::Generate(MacroAssembler* masm) { |
1173 // Just jump directly to runtime if native RegExp is not selected at compile | 1147 // Just jump directly to runtime if native RegExp is not selected at compile |
1174 // time or if regexp entry in generated code is turned off runtime switch or | 1148 // time or if regexp entry in generated code is turned off runtime switch or |
1175 // at compilation. | 1149 // at compilation. |
1176 #ifdef V8_INTERPRETED_REGEXP | 1150 #ifdef V8_INTERPRETED_REGEXP |
1177 __ TailCallRuntime(Runtime::kRegExpExec, 4, 1); | 1151 __ TailCallRuntime(Runtime::kRegExpExec, 4, 1); |
1178 #else // V8_INTERPRETED_REGEXP | 1152 #else // V8_INTERPRETED_REGEXP |
1179 | 1153 |
1180 // Stack frame on entry. | 1154 // Stack frame on entry. |
1181 // esp[0]: return address | 1155 // esp[0]: return address |
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5485 Operand(ebp, 7 * kPointerSize), NULL); | 5459 Operand(ebp, 7 * kPointerSize), NULL); |
5486 } | 5460 } |
5487 | 5461 |
5488 | 5462 |
5489 #undef __ | 5463 #undef __ |
5490 | 5464 |
5491 } // namespace internal | 5465 } // namespace internal |
5492 } // namespace v8 | 5466 } // namespace v8 |
5493 | 5467 |
5494 #endif // V8_TARGET_ARCH_IA32 | 5468 #endif // V8_TARGET_ARCH_IA32 |
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