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1 // Copyright 2008-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2008-2009 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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1029 static T& frame_entry(Address re_frame, int frame_offset) { | 1029 static T& frame_entry(Address re_frame, int frame_offset) { |
1030 return reinterpret_cast<T&>(Memory::int32_at(re_frame + frame_offset)); | 1030 return reinterpret_cast<T&>(Memory::int32_at(re_frame + frame_offset)); |
1031 } | 1031 } |
1032 | 1032 |
1033 | 1033 |
1034 int RegExpMacroAssemblerIA32::CheckStackGuardState(Address* return_address, | 1034 int RegExpMacroAssemblerIA32::CheckStackGuardState(Address* return_address, |
1035 Code* re_code, | 1035 Code* re_code, |
1036 Address re_frame) { | 1036 Address re_frame) { |
1037 Isolate* isolate = Isolate::Current(); | 1037 Isolate* isolate = Isolate::Current(); |
1038 if (isolate->stack_guard()->IsStackOverflow()) { | 1038 if (isolate->stack_guard()->IsStackOverflow()) { |
1039 Top::StackOverflow(); | 1039 isolate->StackOverflow(); |
1040 return EXCEPTION; | 1040 return EXCEPTION; |
1041 } | 1041 } |
1042 | 1042 |
1043 // If not real stack overflow the stack guard was used to interrupt | 1043 // If not real stack overflow the stack guard was used to interrupt |
1044 // execution for another purpose. | 1044 // execution for another purpose. |
1045 | 1045 |
1046 // If this is a direct call from JavaScript retry the RegExp forcing the call | 1046 // If this is a direct call from JavaScript retry the RegExp forcing the call |
1047 // through the runtime system. Currently the direct call cannot handle a GC. | 1047 // through the runtime system. Currently the direct call cannot handle a GC. |
1048 if (frame_entry<int>(re_frame, kDirectCall) == 1) { | 1048 if (frame_entry<int>(re_frame, kDirectCall) == 1) { |
1049 return RETRY; | 1049 return RETRY; |
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1240 } | 1240 } |
1241 | 1241 |
1242 | 1242 |
1243 #undef __ | 1243 #undef __ |
1244 | 1244 |
1245 #endif // V8_INTERPRETED_REGEXP | 1245 #endif // V8_INTERPRETED_REGEXP |
1246 | 1246 |
1247 }} // namespace v8::internal | 1247 }} // namespace v8::internal |
1248 | 1248 |
1249 #endif // V8_TARGET_ARCH_IA32 | 1249 #endif // V8_TARGET_ARCH_IA32 |
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