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3f3cbb51ed
using (modified) tcc_backtrace() instead. Also Also fix the original bug with doubles on x86_64. (which was not caused by incr_offset() actually). See598134fff6Also cleanup on_exit() stuff Fromfef701b57f
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/* ------------------------------------------------------------- */
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/* stubs for calling bcheck functions from a dll. */
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#include <windows.h>
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#include <stdio.h>
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#define REDIR_ALL \
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REDIR(__bt_init) \
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REDIR(__bt_exit) \
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REDIR(tcc_backtrace) \
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\
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REDIR(__bound_ptr_add) \
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REDIR(__bound_ptr_indir1) \
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REDIR(__bound_ptr_indir2) \
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REDIR(__bound_ptr_indir4) \
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REDIR(__bound_ptr_indir8) \
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REDIR(__bound_ptr_indir12) \
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REDIR(__bound_ptr_indir16) \
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REDIR(__bound_local_new) \
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REDIR(__bound_local_delete) \
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REDIR(__bound_new_region) \
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\
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REDIR(__bound_free) \
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REDIR(__bound_malloc) \
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REDIR(__bound_realloc) \
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REDIR(__bound_memcpy) \
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REDIR(__bound_memcmp) \
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REDIR(__bound_memmove) \
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REDIR(__bound_memset) \
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REDIR(__bound_strlen) \
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REDIR(__bound_strcpy) \
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REDIR(__bound_strncpy) \
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REDIR(__bound_strcmp) \
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REDIR(__bound_strncmp) \
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REDIR(__bound_strcat) \
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REDIR(__bound_strchr) \
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REDIR(__bound_strdup)
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#ifdef __leading_underscore
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#define _(s) "_"#s
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#else
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#define _(s) #s
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#endif
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#define REDIR(s) void *s;
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static struct { REDIR_ALL } all_ptrs;
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#undef REDIR
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#define REDIR(s) #s"\0"
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static const char all_names[] = REDIR_ALL;
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#undef REDIR
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#define REDIR(s) __asm__(".global " _(s) ";" _(s) ": jmp *%0" : : "m" (all_ptrs.s) );
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static void all_jmps() { REDIR_ALL }
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#undef REDIR
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void __bt_init_dll(int bcheck)
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{
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const char *s = all_names;
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void **p = (void**)&all_ptrs;
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do {
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*p = (void*)GetProcAddress(GetModuleHandle(NULL), (char*)s);
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if (NULL == *p) {
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char buf[100];
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sprintf(buf,
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"Error: function '%s()' not found in executable. "
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"(Need -bt or -b for linking the exe.)", s);
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if (GetStdHandle(STD_ERROR_HANDLE))
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fprintf(stderr, "TCC/BCHECK: %s\n", buf), fflush(stderr);
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else
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MessageBox(NULL, buf, "TCC/BCHECK", MB_ICONERROR);
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ExitProcess(1);
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}
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s = strchr(s,'\0') + 1, ++p;
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} while (*s && (bcheck || p < &all_ptrs.__bound_ptr_add));
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}
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