platform_bionic/libc/kernel/arch-arm/asm/div64.h
2009-03-03 19:28:35 -08:00

27 lines
1.3 KiB
C

/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
****************************************************************************
****************************************************************************/
#ifndef __ASM_ARM_DIV64
#define __ASM_ARM_DIV64
#include <asm/system.h>
#ifdef __ARMEB__
#define __xh "r0"
#define __xl "r1"
#else
#define __xl "r0"
#define __xh "r1"
#endif
#define do_div(n,base) ({ register unsigned int __base asm("r4") = base; register unsigned long long __n asm("r0") = n; register unsigned long long __res asm("r2"); register unsigned int __rem asm(__xh); asm( __asmeq("%0", __xh) __asmeq("%1", "r2") __asmeq("%2", "r0") __asmeq("%3", "r4") "bl __do_div64" : "=r" (__rem), "=r" (__res) : "r" (__n), "r" (__base) : "ip", "lr", "cc"); n = __res; __rem; })
#endif