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 3804 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3815 | 3815 |
3816 // eax: subject string | 3816 // eax: subject string |
3817 // ebx: previous index | 3817 // ebx: previous index |
3818 // edx: code | 3818 // edx: code |
3819 // ecx: encoding of subject string (1 if ASCII 0 if two_byte); | 3819 // ecx: encoding of subject string (1 if ASCII 0 if two_byte); |
3820 // All checks done. Now push arguments for native regexp code. | 3820 // All checks done. Now push arguments for native regexp code. |
3821 Counters* counters = masm->isolate()->counters(); | 3821 Counters* counters = masm->isolate()->counters(); |
3822 __ IncrementCounter(counters->regexp_entry_native(), 1); | 3822 __ IncrementCounter(counters->regexp_entry_native(), 1); |
3823 | 3823 |
3824 // Isolates: note we add an additional parameter here (isolate pointer). | 3824 // Isolates: note we add an additional parameter here (isolate pointer). |
3825 static const int kRegExpExecuteArguments = 8; | 3825 static const int kRegExpExecuteArguments = 9; |
3826 __ EnterApiExitFrame(kRegExpExecuteArguments); | 3826 __ EnterApiExitFrame(kRegExpExecuteArguments); |
3827 | 3827 |
3828 // Argument 8: Pass current isolate address. | 3828 // Argument 9: Pass current isolate address. |
3829 __ mov(Operand(esp, 7 * kPointerSize), | 3829 __ mov(Operand(esp, 8 * kPointerSize), |
3830 Immediate(ExternalReference::isolate_address())); | 3830 Immediate(ExternalReference::isolate_address())); |
3831 | 3831 |
3832 // Argument 7: Indicate that this is a direct call from JavaScript. | 3832 // Argument 8: Indicate that this is a direct call from JavaScript. |
3833 __ mov(Operand(esp, 6 * kPointerSize), Immediate(1)); | 3833 __ mov(Operand(esp, 7 * kPointerSize), Immediate(1)); |
3834 | 3834 |
3835 // Argument 6: Start (high end) of backtracking stack memory area. | 3835 // Argument 7: Start (high end) of backtracking stack memory area. |
3836 __ mov(esi, Operand::StaticVariable(address_of_regexp_stack_memory_address)); | 3836 __ mov(esi, Operand::StaticVariable(address_of_regexp_stack_memory_address)); |
3837 __ add(esi, Operand::StaticVariable(address_of_regexp_stack_memory_size)); | 3837 __ add(esi, Operand::StaticVariable(address_of_regexp_stack_memory_size)); |
3838 __ mov(Operand(esp, 5 * kPointerSize), esi); | 3838 __ mov(Operand(esp, 6 * kPointerSize), esi); |
| 3839 |
| 3840 // Argument 6: Clear the number of capture registers for non-global capture. |
| 3841 __ mov(Operand(esp, 5 * kPointerSize), Immediate(0)); |
3839 | 3842 |
3840 // Argument 5: static offsets vector buffer. | 3843 // Argument 5: static offsets vector buffer. |
3841 __ mov(Operand(esp, 4 * kPointerSize), | 3844 __ mov(Operand(esp, 4 * kPointerSize), |
3842 Immediate(ExternalReference::address_of_static_offsets_vector( | 3845 Immediate(ExternalReference::address_of_static_offsets_vector( |
3843 masm->isolate()))); | 3846 masm->isolate()))); |
3844 | 3847 |
3845 // Argument 2: Previous index. | 3848 // Argument 2: Previous index. |
3846 __ mov(Operand(esp, 1 * kPointerSize), ebx); | 3849 __ mov(Operand(esp, 1 * kPointerSize), ebx); |
3847 | 3850 |
3848 // Argument 1: Original subject string. | 3851 // Argument 1: Original subject string. |
(...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3892 // Locate the code entry and call it. | 3895 // Locate the code entry and call it. |
3893 __ add(edx, Immediate(Code::kHeaderSize - kHeapObjectTag)); | 3896 __ add(edx, Immediate(Code::kHeaderSize - kHeapObjectTag)); |
3894 __ call(edx); | 3897 __ call(edx); |
3895 | 3898 |
3896 // Drop arguments and come back to JS mode. | 3899 // Drop arguments and come back to JS mode. |
3897 __ LeaveApiExitFrame(); | 3900 __ LeaveApiExitFrame(); |
3898 | 3901 |
3899 // Check the result. | 3902 // Check the result. |
3900 Label success; | 3903 Label success; |
3901 __ cmp(eax, NativeRegExpMacroAssembler::SUCCESS); | 3904 __ cmp(eax, NativeRegExpMacroAssembler::SUCCESS); |
| 3905 // We do not expect multiple results. |
3902 __ j(equal, &success); | 3906 __ j(equal, &success); |
3903 Label failure; | 3907 Label failure; |
3904 __ cmp(eax, NativeRegExpMacroAssembler::FAILURE); | 3908 __ cmp(eax, NativeRegExpMacroAssembler::FAILURE); |
3905 __ j(equal, &failure); | 3909 __ j(equal, &failure); |
3906 __ cmp(eax, NativeRegExpMacroAssembler::EXCEPTION); | 3910 __ cmp(eax, NativeRegExpMacroAssembler::EXCEPTION); |
3907 // If not exception it can only be retry. Handle that in the runtime system. | 3911 // If not exception it can only be retry. Handle that in the runtime system. |
3908 __ j(not_equal, &runtime); | 3912 __ j(not_equal, &runtime); |
3909 // Result must now be exception. If there is no pending exception already a | 3913 // Result must now be exception. If there is no pending exception already a |
3910 // stack overflow (on the backtrack stack) was detected in RegExp code but | 3914 // stack overflow (on the backtrack stack) was detected in RegExp code but |
3911 // haven't created the exception yet. Handle that in the runtime system. | 3915 // haven't created the exception yet. Handle that in the runtime system. |
(...skipping 3477 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
7389 false); | 7393 false); |
7390 __ pop(edx); | 7394 __ pop(edx); |
7391 __ ret(0); | 7395 __ ret(0); |
7392 } | 7396 } |
7393 | 7397 |
7394 #undef __ | 7398 #undef __ |
7395 | 7399 |
7396 } } // namespace v8::internal | 7400 } } // namespace v8::internal |
7397 | 7401 |
7398 #endif // V8_TARGET_ARCH_IA32 | 7402 #endif // V8_TARGET_ARCH_IA32 |
OLD | NEW |