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Diffstat (limited to 'gpxe/src/libgcc/libgcc.h')
-rw-r--r-- | gpxe/src/libgcc/libgcc.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gpxe/src/libgcc/libgcc.h b/gpxe/src/libgcc/libgcc.h new file mode 100644 index 00000000..5b4a6244 --- /dev/null +++ b/gpxe/src/libgcc/libgcc.h @@ -0,0 +1,26 @@ +#ifndef _LIBGCC_H +#define _LIBGCC_H + +#include <stdint.h> +#include <stddef.h> + +/* + * It seems as though gcc expects its implicit arithmetic functions to + * be cdecl, even if -mrtd is specified. This is somewhat + * inconsistent; for example, if -mregparm=3 is used then the implicit + * functions do become regparm(3). + * + * The implicit calls to memcpy() and memset() which gcc can generate + * do not seem to have this inconsistency; -mregparm and -mrtd affect + * them in the same way as any other function. + * + */ +#define LIBGCC __attribute__ (( cdecl )) + +extern LIBGCC uint64_t __udivmoddi4(uint64_t num, uint64_t den, uint64_t *rem); +extern LIBGCC uint64_t __udivdi3(uint64_t num, uint64_t den); +extern LIBGCC uint64_t __umoddi3(uint64_t num, uint64_t den); +extern LIBGCC int64_t __divdi3(int64_t num, int64_t den); +extern LIBGCC int64_t __moddi3(int64_t num, int64_t den); + +#endif /* _LIBGCC_H */ |