diff options
Diffstat (limited to 'sysdeps/s390/s390-32/__longjmp.c')
| -rw-r--r-- | sysdeps/s390/s390-32/__longjmp.c | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/sysdeps/s390/s390-32/__longjmp.c b/sysdeps/s390/s390-32/__longjmp.c index c1b977cd49..c47ebbc52a 100644 --- a/sysdeps/s390/s390-32/__longjmp.c +++ b/sysdeps/s390/s390-32/__longjmp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). @@ -29,14 +29,32 @@ void __longjmp (__jmp_buf env, int val) { - /* Restore registers and jump back. */ - asm volatile ("lr %%r2,%0\n\t" /* PUT val in grp 2. */ - "ld %%f6,48(%1)\n\t" - "ld %%f4,40(%1)\n\t" - "lm %%r6,%%r15,0(%1)\n\t" - "br %%r14" - : : "r" (val == 0 ? 1 : val), - "a" (env) : "2" ); + register 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 %%f6,48(%1)\n\t" + "ld %%f4,40(%1)\n\t" +#ifdef PTR_DEMANGLE + "lm %%r6,%%r13,0(%1)\n\t" + "lm %%r4,%%r5,32(%1)\n\t" + "xr %%r4,%2\n\t" + "xr %%r5,%2\n\t" + "lr %%r15,%%r5\n\t" + "br %%r4" +#else + "lm %%r6,%%r15,0(%1)\n\t" + "br %%r14" +#endif + : : "r" (r2), +#ifdef PTR_DEMANGLE + "r" (r1), "r" (r3) +#else + "a" (env) +#endif + ); /* Avoid `volatile function does return' warnings. */ for (;;); |