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 7456 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
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 | |
7509 #undef __ | 7477 #undef __ |
7510 | 7478 |
7511 } } // namespace v8::internal | 7479 } } // namespace v8::internal |
7512 | 7480 |
7513 #endif // V8_TARGET_ARCH_IA32 | 7481 #endif // V8_TARGET_ARCH_IA32 |
OLD | NEW |