# define offsetof(T, F) ((unsigned int)((char *)&((T *)0)->F))
#endif
-/* Use to export labels from asm. */
-#define LABEL_MANGLE(a) EXTERN_PREFIX #a
-
-// Use rip-relative addressing if compiling PIC code on x86-64.
-#if ARCH_X86_64 && defined(PIC)
-# define LOCAL_MANGLE(a) #a "(%%rip)"
-#else
-# define LOCAL_MANGLE(a) #a
-#endif
-
-#define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a)
-
/* debug stuff */
#define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
-/* math */
-
-#if ARCH_X86 && HAVE_INLINE_ASM
-#define MASK_ABS(mask, level)\
- __asm__ volatile(\
- "cltd \n\t"\
- "xorl %1, %0 \n\t"\
- "subl %1, %0 \n\t"\
- : "+a" (level), "=&d" (mask)\
- );
-#else
-#define MASK_ABS(mask, level)\
- mask = level >> 31;\
- level = (level ^ mask) - mask;
-#endif
-
/* avoid usage of dangerous/inappropriate system functions */
#undef malloc
#define malloc please_use_av_malloc