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Side by Side Diff: src/x64/simulator-x64.h

Issue 173567: ARM native regexps. (Closed)
Patch Set: Created 11 years, 3 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 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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38 // Calculated the stack limit beyond which we will throw stack overflow errors. 38 // Calculated the stack limit beyond which we will throw stack overflow errors.
39 // This macro must be called from a C++ method. It relies on being able to take 39 // This macro must be called from a C++ method. It relies on being able to take
40 // the address of "this" to get a value on the current execution stack and then 40 // the address of "this" to get a value on the current execution stack and then
41 // calculates the stack limit based on that value. 41 // calculates the stack limit based on that value.
42 // NOTE: The check for overflow is not safe as there is no guarantee that the 42 // NOTE: The check for overflow is not safe as there is no guarantee that the
43 // running thread has its stack in all memory up to address 0x00000000. 43 // running thread has its stack in all memory up to address 0x00000000.
44 #define GENERATED_CODE_STACK_LIMIT(limit) \ 44 #define GENERATED_CODE_STACK_LIMIT(limit) \
45 (reinterpret_cast<uintptr_t>(this) >= limit ? \ 45 (reinterpret_cast<uintptr_t>(this) >= limit ? \
46 reinterpret_cast<uintptr_t>(this) - limit : 0) 46 reinterpret_cast<uintptr_t>(this) - limit : 0)
47 47
48 // Call the generated regexp code directly. The entry function pointer should
49 // expect seven int/pointer sized arguments and return an int.
50 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6) \
51 entry(p0, p1, p2, p3, p4, p5, p6)
52
48 #endif // V8_X64_SIMULATOR_X64_H_ 53 #endif // V8_X64_SIMULATOR_X64_H_
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