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"Using multiple compilers is good for your code", chapter umpteenth: removing the SEH library test (until I have a better example) because it made some non-portable assumptions about the stack layout (could cause STATUS_INVALID_UNWIND_TARGET exceptions with some compilers and full optimization)

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svn path=/trunk/; revision=9606
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KJK::Hyperion 2004-06-03 22:30:22 +00:00
parent f739268bbb
commit 6312f5152f
1 changed files with 0 additions and 128 deletions
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128
reactos/apps/tests/pseh/pseh.c
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@ -1,128 +0,0 @@
#include <assert.h>
#include <stdio.h>
#define WIN32_LEAN_AND_MEAN
#define STRICT
#include <windows.h>
#include <pseh.h>
_SEH_FILTER(main_filter0)
{
fprintf(stderr, "filter 0: exception code %08lX\n", _SEH_GetExceptionCode());
return EXCEPTION_EXECUTE_HANDLER;
}
_SEH_FILTER(main_filter1)
{
static int n;
fputs("filter 1\n", stderr);
_SEH_GetExceptionPointers()->ContextRecord->Eax = (DWORD)(UINT_PTR)&n;
return EXCEPTION_CONTINUE_EXECUTION;
}
_SEH_FILTER(main_filter2)
{
fputs("filter 2\n", stderr);
return EXCEPTION_CONTINUE_SEARCH;
}
_SEH_FINALLY(main_finally0)
{
fputs("finally 0\n", stderr);
}
_SEH_FINALLY(main_finally1)
{
fputs("finally 1\n", stderr);
RaiseException(0xC0000006, 0, 0, NULL);
}
_SEH_FINALLY(main_finally2)
{
fputs("finally 2\n", stderr);
}
int main(void)
{
_SEH_TRY
{
_SEH_TRY
{
_SEH_TRY_FILTER(main_filter2)
{
_SEH_TRY_FINALLY(main_finally2)
{
_SEH_TRY_FILTER_FINALLY(main_filter0, main_finally0)
{
/* This exception is handled below */
RaiseException(0xC0000005, 0, 0, NULL);
}
/* The finally is called no problem */
_SEH_HANDLE
/* The filter returns EXCEPTION_EXECUTE_HANDLER */
{
/* We handle the exception */
fprintf(stderr, "caught exception %08lX\n", _SEH_GetExceptionCode());
}
_SEH_END;
_SEH_TRY_FILTER_FINALLY(main_filter1, main_finally1)
{
/* This faulting code is corrected by the filter */
#ifdef __GNUC__
__asm__("xorl %eax, %eax");
__asm__("movl 0(%eax), %eax");
#else
__asm xor eax, eax
__asm mov eax, [eax]
#endif
/* Execution continues here */
}
/* The finally misbehaves and throws an exception */
_SEH_HANDLE
{
/*
This handler is never called, because the filter returns
EXCEPTION_CONTINUE_EXECUTION
*/
assert(0);
}
_SEH_END;
}
/* This finally is called after the next-to-outermost filter */
_SEH_END_FINALLY;
}
_SEH_HANDLE
{
/*
This handler is never called, because the filter returns
EXCEPTION_CONTINUE_SEARCH
*/
assert(0);
}
_SEH_END;
}
_SEH_HANDLE
{
/* This handler handles the misbehavior of a finally */
fprintf(stderr, "caught exception %08lX\n", _SEH_GetExceptionCode());
/* This handler misbehaves, too */
RaiseException(0xC0000007, 0, 0, NULL);
}
_SEH_END;
}
_SEH_HANDLE
{
/* This handler catches the exception thrown by the previous handler */
fprintf(stderr, "caught exception %08lX\n", _SEH_GetExceptionCode());
}
_SEH_END;
return 0;
}