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#include "ghcconfig.h"
#include "seh_excn.h"
/*
* Exception / signal handlers.
*/
#if defined(mingw32_HOST_OS)
#if defined(i386_HOST_ARCH)
jmp_buf seh_unwind_to;
unsigned long seh_excn_code; /* variable used to communicate what kind of exception we've caught;nice. */
EXCEPTION_DISPOSITION
catchDivZero(struct _EXCEPTION_RECORD* rec,
void* arg1 __attribute__((unused)),
struct _CONTEXT* ctxt __attribute__((unused)),
void* arg2 __attribute__((unused)))
{
if ((rec->ExceptionFlags & EH_UNWINDING) != 0) {
// When the system unwinds the SEH stack after having handled an excn,
// return immediately.
return ExceptionContinueSearch;
}
switch (rec->ExceptionCode) {
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
case EXCEPTION_INT_DIVIDE_BY_ZERO:
seh_excn_code = 0;
longjmp(seh_unwind_to, rec->ExceptionCode);
return ExceptionContinueExecution;
case EXCEPTION_STACK_OVERFLOW:
seh_excn_code = 1;
longjmp(seh_unwind_to, rec->ExceptionCode);
return ExceptionContinueExecution;
case EXCEPTION_ACCESS_VIOLATION:
seh_excn_code = 2;
longjmp(seh_unwind_to, rec->ExceptionCode);
return ExceptionContinueExecution;
longjmp(seh_unwind_to, rec->ExceptionCode);
return ExceptionContinueExecution;
default: ;
}
return ExceptionContinueSearch;
}
#endif
#endif
// Local Variables:
// mode: C
// fill-column: 80
// indent-tabs-mode: nil
// c-basic-offset: 4
// buffer-file-coding-system: utf-8-unix
// End:
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