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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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44 // code simultaneously. V8 (and JavaScript) is single threaded and when code | 44 // code simultaneously. V8 (and JavaScript) is single threaded and when code |
45 // is patched on an intel CPU the core performing the patching will have its | 45 // is patched on an intel CPU the core performing the patching will have its |
46 // own instruction cache updated automatically. | 46 // own instruction cache updated automatically. |
47 | 47 |
48 // If flushing of the instruction cache becomes necessary Windows have the | 48 // If flushing of the instruction cache becomes necessary Windows have the |
49 // API function FlushInstructionCache. | 49 // API function FlushInstructionCache. |
50 } | 50 } |
51 | 51 |
52 | 52 |
53 void CPU::DebugBreak() { | 53 void CPU::DebugBreak() { |
54 #ifdef WIN32 | 54 #ifdef _MSC_VER |
55 // To avoid Visual Studio runtime support the following code can be used | 55 // To avoid Visual Studio runtime support the following code can be used |
56 // instead | 56 // instead |
57 // __asm { int 3 } | 57 // __asm { int 3 } |
58 __debugbreak(); | 58 __debugbreak(); |
59 #else | 59 #else |
60 asm("int $3"); | 60 asm("int $3"); |
61 #endif | 61 #endif |
62 } | 62 } |
63 | 63 |
64 } } // namespace v8::internal | 64 } } // namespace v8::internal |
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