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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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532 // internal frame to make the code faster, since we shouldn't have to do stack | 532 // internal frame to make the code faster, since we shouldn't have to do stack |
533 // crawls in MakeCodeYoung. This seems a bit fragile. | 533 // crawls in MakeCodeYoung. This seems a bit fragile. |
534 | 534 |
535 // Re-execute the code that was patched back to the young age when | 535 // Re-execute the code that was patched back to the young age when |
536 // the stub returns. | 536 // the stub returns. |
537 __ sub(Operand(esp, 0), Immediate(5)); | 537 __ sub(Operand(esp, 0), Immediate(5)); |
538 __ pushad(); | 538 __ pushad(); |
539 __ mov(eax, Operand(esp, 8 * kPointerSize)); | 539 __ mov(eax, Operand(esp, 8 * kPointerSize)); |
540 { | 540 { |
541 FrameScope scope(masm, StackFrame::MANUAL); | 541 FrameScope scope(masm, StackFrame::MANUAL); |
542 __ PrepareCallCFunction(2, ebx); | 542 __ PrepareCallCFunction(1, ebx); |
543 __ mov(Operand(esp, 1 * kPointerSize), | |
544 Immediate(ExternalReference::isolate_address(masm->isolate()))); | |
545 __ mov(Operand(esp, 0), eax); | 543 __ mov(Operand(esp, 0), eax); |
546 __ CallCFunction( | 544 __ CallCFunction( |
547 ExternalReference::get_make_code_young_function(masm->isolate()), 2); | 545 ExternalReference::get_make_code_young_function(masm->isolate()), 1); |
548 } | 546 } |
549 __ popad(); | 547 __ popad(); |
550 __ ret(0); | 548 __ ret(0); |
551 } | 549 } |
552 | 550 |
553 #define DEFINE_CODE_AGE_BUILTIN_GENERATOR(C) \ | 551 #define DEFINE_CODE_AGE_BUILTIN_GENERATOR(C) \ |
554 void Builtins::Generate_Make##C##CodeYoungAgainEvenMarking( \ | 552 void Builtins::Generate_Make##C##CodeYoungAgainEvenMarking( \ |
555 MacroAssembler* masm) { \ | 553 MacroAssembler* masm) { \ |
556 GenerateMakeCodeYoungAgainCommon(masm); \ | 554 GenerateMakeCodeYoungAgainCommon(masm); \ |
557 } \ | 555 } \ |
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1326 // And "return" to the OSR entry point of the function. | 1324 // And "return" to the OSR entry point of the function. |
1327 __ ret(0); | 1325 __ ret(0); |
1328 } | 1326 } |
1329 | 1327 |
1330 | 1328 |
1331 #undef __ | 1329 #undef __ |
1332 } | 1330 } |
1333 } // namespace v8::internal | 1331 } // namespace v8::internal |
1334 | 1332 |
1335 #endif // V8_TARGET_ARCH_IA32 | 1333 #endif // V8_TARGET_ARCH_IA32 |
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