minix/lib/libc/arch/arm/sys/__aeabi_read_tp.S
Lionel Sambuc f14fb60209 Libraries updates and cleanup
* Updating common/lib
 * Updating lib/csu
 * Updating lib/libc
 * Updating libexec/ld.elf_so
 * Corrected test on __minix in featuretest to actually follow the
   meaning of the comment.
 * Cleaned up _REENTRANT-related defintions.
 * Disabled -D_REENTRANT for libfetch
 * Removing some unneeded __NBSD_LIBC defines and tests

Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
2013-01-14 11:36:26 +01:00

13 lines
304 B
ArmAsm

#include "SYS.h"
ENTRY(__aeabi_read_tp)
mrc p15, 0, r0, c13, c0, 3
#ifndef _ARM_ARCH_6
cmp r0, #0 /* was it zero? */
RETc(ne) /* return it's not zero */
push {r1} /* syscall zeroes r1 */
SYSTRAP(_lwp_getprivate) /* can't fail */
pop {r1} /* restore r1 */
#endif
RET
_END(__aeabi_read_tp)