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win32: enable bounds checker & exception handler

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exception handler borrowed from k1w1. Thanks.
This commit is contained in:
grischka
2009-12-19 22:22:43 +01:00
parent 8bbde91f62
commit 7fa712e00c
11 changed files with 471 additions and 381 deletions
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43
lib/bcheck.c
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@ -33,12 +33,11 @@
/* use malloc hooks. Currently the code cannot be reliable if no hooks */
#define CONFIG_TCC_MALLOC_HOOKS
#define HAVE_MEMALIGN
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__dietlibc__) \
|| defined(__UCLIBC__) || defined(__OpenBSD__)
#warning Bound checking not fully supported in this environment.
|| defined(__UCLIBC__) || defined(__OpenBSD__) || defined(_WIN32)
#warning Bound checking does not support malloc (etc.) in this environment.
#undef CONFIG_TCC_MALLOC_HOOKS
#undef HAVE_MEMALIGN
#endif
@ -152,9 +151,6 @@ static void bound_alloc_error(void)
bound_error("not enough memory for bound checking code");
}
/* currently, tcc cannot compile that because we use GNUC extensions */
#if !defined(__TINYC__)
/* return '(p + offset)' for pointer arithmetic (a pointer can reach
the end of a region in this case */
void * FASTCALL __bound_ptr_add(void *p, int offset)
@ -203,6 +199,13 @@ void * FASTCALL __bound_ptr_indir ## dsize (void *p, int offset) \
return p + offset; \
}
BOUND_PTR_INDIR(1)
BOUND_PTR_INDIR(2)
BOUND_PTR_INDIR(4)
BOUND_PTR_INDIR(8)
BOUND_PTR_INDIR(12)
BOUND_PTR_INDIR(16)
#ifdef __i386__
/* return the frame pointer of the caller */
#define GET_CALLER_FP(fp)\
@ -246,34 +249,6 @@ void FASTCALL __bound_local_delete(void *p1)
}
}
#else
void __bound_local_new(void *p)
{
}
void __bound_local_delete(void *p)
{
}
void *__bound_ptr_add(void *p, int offset)
{
return p + offset;
}
#define BOUND_PTR_INDIR(dsize) \
void *__bound_ptr_indir ## dsize (void *p, int offset) \
{ \
return p + offset; \
}
#endif
BOUND_PTR_INDIR(1)
BOUND_PTR_INDIR(2)
BOUND_PTR_INDIR(4)
BOUND_PTR_INDIR(8)
BOUND_PTR_INDIR(12)
BOUND_PTR_INDIR(16)
static BoundEntry *__bound_new_page(void)
{
BoundEntry *page;