[Bug 27929] Bus error in create_alpha_bitmap on Mac OS X 10.7 Lion with Xcode 4.1

wine-bugs at winehq.org wine-bugs at winehq.org
Thu Jul 28 15:11:31 CDT 2011


--- Comment #5 from camillo.lugaresi+wine at gmail.com 2011-07-28 15:11:30 CDT ---
(In reply to comment #4)
> signal_init_process is called, and the disassembly looks right: it seems to be
> calling sigaction with the the correct pointer to segv_handler. However,
> segv_handler is not called when the signal is received. I'll keep
> investigating.

Actually, the signal handler is probably getting called, but gdb on OS X messes
us the translation between mach exceptions (EXC_BAD_ACCESS in this case) and
UNIX signals (SIGBUS), so it cannot be used to step into signal handlers.

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