diff options
Diffstat (limited to 'libc/sysdeps/linux/arm/bsd-_setjmp.S')
| -rw-r--r-- | libc/sysdeps/linux/arm/bsd-_setjmp.S | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/arm/bsd-_setjmp.S b/libc/sysdeps/linux/arm/bsd-_setjmp.S index f70073266..a05570df7 100644 --- a/libc/sysdeps/linux/arm/bsd-_setjmp.S +++ b/libc/sysdeps/linux/arm/bsd-_setjmp.S @@ -17,13 +17,38 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -/* This just does a tail-call to `__sigsetjmp (ARG, 1)'. +#include <bits/arm_asm.h> + +/* This just does a tail-call to `__sigsetjmp (ARG, 0)'. We cannot do it in C because it must be a tail-call, so frame-unwinding in setjmp doesn't clobber the state restored by longjmp. */ .global _setjmp .type _setjmp,%function .align 2 +#if defined(THUMB1_ONLY) +.thumb_func +_setjmp: + mov r1, #0 +#ifdef __PIC__ + ldr r3, .L_GOT + adr r2, .L_GOT + add r3, r2, r3 + + ldr r2, .L_GOT+4 /* __sigsetjmp */ + ldr r2, [r2, r3] + bx r2 + + .align 2 +.L_GOT: + .word _GLOBAL_OFFSET_TABLE_-.L_GOT + .word __sigsetjmp(GOT) +#else + ldr r2, =__sigsetjmp + bx r2 +.pool +#endif +#else _setjmp: mov r1, #0 #ifdef __PIC__ @@ -31,5 +56,6 @@ _setjmp: #else b __sigsetjmp #endif +#endif .size _setjmp,.-_setjmp |