platform_build/tools/isprelinked/common.h
2009-03-03 19:28:42 -08:00

28 lines
628 B
C

#ifndef COMMON_H
#define COMMON_H
#include <libelf.h>
#include <elf.h>
#define unlikely(expr) __builtin_expect (expr, 0)
#define likely(expr) __builtin_expect (expr, 1)
#define MIN(a,b) ((a)<(b)?(a):(b)) /* no side effects in arguments allowed! */
static inline int is_host_little(void)
{
short val = 0x10;
return ((char *)&val)[0] != 0;
}
static inline long switch_endianness(long val)
{
long newval;
((char *)&newval)[3] = ((char *)&val)[0];
((char *)&newval)[2] = ((char *)&val)[1];
((char *)&newval)[1] = ((char *)&val)[2];
((char *)&newval)[0] = ((char *)&val)[3];
return newval;
}
#endif/*COMMON_H*/