| OLD | NEW |
| 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 |
| (...skipping 582 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 593 // For now, we are relying on the fact that make_code_young doesn't do any | 593 // For now, we are relying on the fact that make_code_young doesn't do any |
| 594 // garbage collection which allows us to save/restore the registers without | 594 // garbage collection which allows us to save/restore the registers without |
| 595 // worrying about which of them contain pointers. We also don't build an | 595 // worrying about which of them contain pointers. We also don't build an |
| 596 // internal frame to make the code faster, since we shouldn't have to do stack | 596 // internal frame to make the code faster, since we shouldn't have to do stack |
| 597 // crawls in MakeCodeYoung. This seems a bit fragile. | 597 // crawls in MakeCodeYoung. This seems a bit fragile. |
| 598 | 598 |
| 599 // Re-execute the code that was patched back to the young age when | 599 // Re-execute the code that was patched back to the young age when |
| 600 // the stub returns. | 600 // the stub returns. |
| 601 __ subq(Operand(rsp, 0), Immediate(5)); | 601 __ subq(Operand(rsp, 0), Immediate(5)); |
| 602 __ Pushad(); | 602 __ Pushad(); |
| 603 __ movq(arg_reg_2, |
| 604 ExternalReference::isolate_address(masm->isolate())); |
| 603 __ movq(arg_reg_1, Operand(rsp, kNumSafepointRegisters * kPointerSize)); | 605 __ movq(arg_reg_1, Operand(rsp, kNumSafepointRegisters * kPointerSize)); |
| 604 { // NOLINT | 606 { // NOLINT |
| 605 FrameScope scope(masm, StackFrame::MANUAL); | 607 FrameScope scope(masm, StackFrame::MANUAL); |
| 606 __ PrepareCallCFunction(1); | 608 __ PrepareCallCFunction(1); |
| 607 __ CallCFunction( | 609 __ CallCFunction( |
| 608 ExternalReference::get_make_code_young_function(masm->isolate()), 1); | 610 ExternalReference::get_make_code_young_function(masm->isolate()), 1); |
| 609 } | 611 } |
| 610 __ Popad(); | 612 __ Popad(); |
| 611 __ ret(0); | 613 __ ret(0); |
| 612 } | 614 } |
| (...skipping 786 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1399 // And "return" to the OSR entry point of the function. | 1401 // And "return" to the OSR entry point of the function. |
| 1400 __ ret(0); | 1402 __ ret(0); |
| 1401 } | 1403 } |
| 1402 | 1404 |
| 1403 | 1405 |
| 1404 #undef __ | 1406 #undef __ |
| 1405 | 1407 |
| 1406 } } // namespace v8::internal | 1408 } } // namespace v8::internal |
| 1407 | 1409 |
| 1408 #endif // V8_TARGET_ARCH_X64 | 1410 #endif // V8_TARGET_ARCH_X64 |
| OLD | NEW |