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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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7467 edx, | 7467 edx, |
7468 ecx, | 7468 ecx, |
7469 edi, | 7469 edi, |
7470 xmm0, | 7470 xmm0, |
7471 &slow_elements_from_double, | 7471 &slow_elements_from_double, |
7472 false); | 7472 false); |
7473 __ pop(edx); | 7473 __ pop(edx); |
7474 __ ret(0); | 7474 __ ret(0); |
7475 } | 7475 } |
7476 | 7476 |
| 7477 |
| 7478 void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) { |
| 7479 if (entry_hook_ != NULL) { |
| 7480 ProfileEntryHookStub stub; |
| 7481 masm->CallStub(&stub); |
| 7482 } |
| 7483 } |
| 7484 |
| 7485 |
| 7486 void ProfileEntryHookStub::Generate(MacroAssembler* masm) { |
| 7487 // Ecx is the only volatile register we must save. |
| 7488 __ push(ecx); |
| 7489 |
| 7490 // Calculate and push the original stack pointer. |
| 7491 __ lea(eax, Operand(esp, kPointerSize)); |
| 7492 __ push(eax); |
| 7493 |
| 7494 // Calculate and push the function address. |
| 7495 __ mov(eax, Operand(eax, 0)); |
| 7496 __ sub(eax, Immediate(Assembler::kCallInstructionLength)); |
| 7497 __ push(eax); |
| 7498 |
| 7499 // Call the entry hook. |
| 7500 int32_t hook_location = reinterpret_cast<int32_t>(&entry_hook_); |
| 7501 __ call(Operand(hook_location, RelocInfo::NONE)); |
| 7502 __ add(esp, Immediate(2 * kPointerSize)); |
| 7503 |
| 7504 // Restore ecx. |
| 7505 __ pop(ecx); |
| 7506 __ ret(0); |
| 7507 } |
| 7508 |
7477 #undef __ | 7509 #undef __ |
7478 | 7510 |
7479 } } // namespace v8::internal | 7511 } } // namespace v8::internal |
7480 | 7512 |
7481 #endif // V8_TARGET_ARCH_IA32 | 7513 #endif // V8_TARGET_ARCH_IA32 |
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