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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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3586 __ pop(eax); // Address of arguments object. | 3586 __ pop(eax); // Address of arguments object. |
3587 __ pop(ebx); // Parameter count. | 3587 __ pop(ebx); // Parameter count. |
3588 | 3588 |
3589 // Return and remove the on-stack parameters. | 3589 // Return and remove the on-stack parameters. |
3590 __ ret(3 * kPointerSize); | 3590 __ ret(3 * kPointerSize); |
3591 | 3591 |
3592 // Do the runtime call to allocate the arguments object. | 3592 // Do the runtime call to allocate the arguments object. |
3593 __ bind(&runtime); | 3593 __ bind(&runtime); |
3594 __ pop(eax); // Remove saved parameter count. | 3594 __ pop(eax); // Remove saved parameter count. |
3595 __ mov(Operand(esp, 1 * kPointerSize), ecx); // Patch argument count. | 3595 __ mov(Operand(esp, 1 * kPointerSize), ecx); // Patch argument count. |
3596 __ TailCallRuntime(Runtime::kNewStrictArgumentsFast, 3, 1); | 3596 __ TailCallRuntime(Runtime::kNewArgumentsFast, 3, 1); |
3597 } | 3597 } |
3598 | 3598 |
3599 | 3599 |
3600 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { | 3600 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { |
3601 // esp[0] : return address | 3601 // esp[0] : return address |
3602 // esp[4] : number of parameters | 3602 // esp[4] : number of parameters |
3603 // esp[8] : receiver displacement | 3603 // esp[8] : receiver displacement |
3604 // esp[12] : function | 3604 // esp[12] : function |
3605 | 3605 |
3606 // Check if the calling frame is an arguments adaptor frame. | 3606 // Check if the calling frame is an arguments adaptor frame. |
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7527 // Restore ecx. | 7527 // Restore ecx. |
7528 __ pop(ecx); | 7528 __ pop(ecx); |
7529 __ ret(0); | 7529 __ ret(0); |
7530 } | 7530 } |
7531 | 7531 |
7532 #undef __ | 7532 #undef __ |
7533 | 7533 |
7534 } } // namespace v8::internal | 7534 } } // namespace v8::internal |
7535 | 7535 |
7536 #endif // V8_TARGET_ARCH_IA32 | 7536 #endif // V8_TARGET_ARCH_IA32 |
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