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A free Windows-compatible Operating System - mirrored from GitHub
0d1b89e5c2
modified lib/pseh/framebased-gcchack.c Disassemble trampolines in the library, instead of the macros. Results in better, smaller code. As a side effect, PSEH no longer requires a trampoline for nested functions - which results in even better, even smaller code in many common cases where the nested functions don't use any variables from the containing function Simulate a no-op setjmp so that GCC correctly handles variables in registers, instead of surprise-corrupting random variables in random conditions Save EBP every time a _SEH2_TRY/_SEH2_EXCEPT is entered, instead of only the first time: correctly handles code compiled with -fomit-frame-pointers Don't generate a nested function for a _SEH2_EXCEPT() filter expression if the value is a compile-time constant: convert the value to (void *)0, (void *)1 or (void *)-1, and set that as the filter, instead (like Visual C++ does, incidentally) If a _SEH2_EXCEPT() filter expression is a compile-time constant evaluating to EXCEPTION_CONTINUE_EXECUTION or EXCEPTION_CONTINUE_SEARCH, allow GCC to optimize out the body of the _SEH2_EXCEPT (because it'd be unreachable). This should really result in a compile-time warning, but #pragma message is unsupported in GCC 4.1.3 Let _SEH2_EXCEPT() accept a comma expression as filter expression (e.g. _SEH2_EXCEPT(MessageBox(...), EXCEPTION_EXECUTE_HANDLER) instead of _SEH2_EXCEPT((MessageBox(...), EXCEPTION_EXECUTE_HANDLER))) Small optimizations in PSEH library Clean up GCC hacks Remove currently unused PSEH 3 hacks svn path=/trunk/; revision=38081 |
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