diff options
Diffstat (limited to 'sysdeps/s390/s390-64/__longjmp.c')
| -rw-r--r-- | sysdeps/s390/s390-64/__longjmp.c | 41 |
1 files changed, 12 insertions, 29 deletions
diff --git a/sysdeps/s390/s390-64/__longjmp.c b/sysdeps/s390/s390-64/__longjmp.c index 030fb5b515..80abd3849a 100644 --- a/sysdeps/s390/s390-64/__longjmp.c +++ b/sysdeps/s390/s390-64/__longjmp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). @@ -29,35 +29,18 @@ void __longjmp (__jmp_buf env, int val) { - register long int r2 __asm ("%r2") = val == 0 ? 1 : val; -#ifdef PTR_DEMANGLE - register uintptr_t r3 __asm ("%r3") = THREAD_GET_POINTER_GUARD (); - register void *r1 __asm ("%r1") = (void *) env; -#endif - /* Restore registers and jump back. */ - asm volatile ("ld %%f7,104(%1)\n\t" - "ld %%f5,96(%1)\n\t" - "ld %%f3,88(%1)\n\t" - "ld %%f1,80(%1)\n\t" -#ifdef PTR_DEMANGLE - "lmg %%r6,%%r13,0(%1)\n\t" - "lmg %%r4,%%r5,64(%1)\n\t" - "xgr %%r4,%2\n\t" - "xgr %%r5,%2\n\t" - "lgr %%r15,%%r5\n\t" - "br %%r4" -#else - "lmg %%r6,%%r15,0(%1)\n\t" - "br %%r14" -#endif - : : "r" (r2), -#ifdef PTR_DEMANGLE - "r" (r1), "r" (r3) -#else - "a" (env) -#endif - ); + /* Restore registers and jump back. */ + asm volatile ("lgr %%r2,%0\n\t" /* Put val in grp 2. */ + "ld %%f7,104(%1)\n\t" + "ld %%f5,96(%1)\n\t" + "ld %%f3,88(%1)\n\t" + "ld %%f1,80(%1)\n\t" + "lmg %%r6,%%r15,0(%1)\n\t" + "br %%r14" + : : "r" (val == 0 ? 1 : val), + "a" (env) : "2" ); /* Avoid `volatile function does return' warnings. */ for (;;); } + |