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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/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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1091 __ j(not_equal, &runtime, Label::kNear); | 1091 __ j(not_equal, &runtime, Label::kNear); |
1092 | 1092 |
1093 // Patch the arguments.length and the parameters pointer. | 1093 // Patch the arguments.length and the parameters pointer. |
1094 __ mov(ecx, Operand(edx, ArgumentsAdaptorFrameConstants::kLengthOffset)); | 1094 __ mov(ecx, Operand(edx, ArgumentsAdaptorFrameConstants::kLengthOffset)); |
1095 __ mov(Operand(esp, 1 * kPointerSize), ecx); | 1095 __ mov(Operand(esp, 1 * kPointerSize), ecx); |
1096 __ lea(edx, Operand(edx, ecx, times_2, | 1096 __ lea(edx, Operand(edx, ecx, times_2, |
1097 StandardFrameConstants::kCallerSPOffset)); | 1097 StandardFrameConstants::kCallerSPOffset)); |
1098 __ mov(Operand(esp, 2 * kPointerSize), edx); | 1098 __ mov(Operand(esp, 2 * kPointerSize), edx); |
1099 | 1099 |
1100 __ bind(&runtime); | 1100 __ bind(&runtime); |
1101 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1); | 1101 __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1); |
1102 } | 1102 } |
1103 | 1103 |
1104 | 1104 |
1105 void ArgumentsAccessStub::GenerateNewSloppyFast(MacroAssembler* masm) { | 1105 void ArgumentsAccessStub::GenerateNewSloppyFast(MacroAssembler* masm) { |
1106 // esp[0] : return address | 1106 // esp[0] : return address |
1107 // esp[4] : number of parameters (tagged) | 1107 // esp[4] : number of parameters (tagged) |
1108 // esp[8] : receiver displacement | 1108 // esp[8] : receiver displacement |
1109 // esp[12] : function | 1109 // esp[12] : function |
1110 | 1110 |
1111 // ebx = parameter count (tagged) | 1111 // ebx = parameter count (tagged) |
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1314 __ pop(eax); // Address of arguments object. | 1314 __ pop(eax); // Address of arguments object. |
1315 __ pop(ebx); // Parameter count. | 1315 __ pop(ebx); // Parameter count. |
1316 | 1316 |
1317 // Return and remove the on-stack parameters. | 1317 // Return and remove the on-stack parameters. |
1318 __ ret(3 * kPointerSize); | 1318 __ ret(3 * kPointerSize); |
1319 | 1319 |
1320 // Do the runtime call to allocate the arguments object. | 1320 // Do the runtime call to allocate the arguments object. |
1321 __ bind(&runtime); | 1321 __ bind(&runtime); |
1322 __ pop(eax); // Remove saved parameter count. | 1322 __ pop(eax); // Remove saved parameter count. |
1323 __ mov(Operand(esp, 1 * kPointerSize), ecx); // Patch argument count. | 1323 __ mov(Operand(esp, 1 * kPointerSize), ecx); // Patch argument count. |
1324 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1); | 1324 __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1); |
1325 } | 1325 } |
1326 | 1326 |
1327 | 1327 |
1328 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { | 1328 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { |
1329 // esp[0] : return address | 1329 // esp[0] : return address |
1330 // esp[4] : number of parameters | 1330 // esp[4] : number of parameters |
1331 // esp[8] : receiver displacement | 1331 // esp[8] : receiver displacement |
1332 // esp[12] : function | 1332 // esp[12] : function |
1333 | 1333 |
1334 // Check if the calling frame is an arguments adaptor frame. | 1334 // Check if the calling frame is an arguments adaptor frame. |
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1411 __ sub(edx, Immediate(kPointerSize)); | 1411 __ sub(edx, Immediate(kPointerSize)); |
1412 __ dec(ecx); | 1412 __ dec(ecx); |
1413 __ j(not_zero, &loop); | 1413 __ j(not_zero, &loop); |
1414 | 1414 |
1415 // Return and remove the on-stack parameters. | 1415 // Return and remove the on-stack parameters. |
1416 __ bind(&done); | 1416 __ bind(&done); |
1417 __ ret(3 * kPointerSize); | 1417 __ ret(3 * kPointerSize); |
1418 | 1418 |
1419 // Do the runtime call to allocate the arguments object. | 1419 // Do the runtime call to allocate the arguments object. |
1420 __ bind(&runtime); | 1420 __ bind(&runtime); |
1421 __ TailCallRuntime(Runtime::kHiddenNewStrictArgumentsFast, 3, 1); | 1421 __ TailCallRuntime(Runtime::kHiddenNewStrictArguments, 3, 1); |
1422 } | 1422 } |
1423 | 1423 |
1424 | 1424 |
1425 void RegExpExecStub::Generate(MacroAssembler* masm) { | 1425 void RegExpExecStub::Generate(MacroAssembler* masm) { |
1426 // Just jump directly to runtime if native RegExp is not selected at compile | 1426 // Just jump directly to runtime if native RegExp is not selected at compile |
1427 // time or if regexp entry in generated code is turned off runtime switch or | 1427 // time or if regexp entry in generated code is turned off runtime switch or |
1428 // at compilation. | 1428 // at compilation. |
1429 #ifdef V8_INTERPRETED_REGEXP | 1429 #ifdef V8_INTERPRETED_REGEXP |
1430 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1); | 1430 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1); |
1431 #else // V8_INTERPRETED_REGEXP | 1431 #else // V8_INTERPRETED_REGEXP |
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5085 Operand(ebp, 7 * kPointerSize), | 5085 Operand(ebp, 7 * kPointerSize), |
5086 NULL); | 5086 NULL); |
5087 } | 5087 } |
5088 | 5088 |
5089 | 5089 |
5090 #undef __ | 5090 #undef __ |
5091 | 5091 |
5092 } } // namespace v8::internal | 5092 } } // namespace v8::internal |
5093 | 5093 |
5094 #endif // V8_TARGET_ARCH_IA32 | 5094 #endif // V8_TARGET_ARCH_IA32 |
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