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| author | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
| commit | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch) | |
| tree | 2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/s390/s390-64/__longjmp.c | |
| parent | 7d58530341304d403a6626d7f7a1913165fe2f32 (diff) | |
| download | glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.xz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip | |
2.5-18.1
Diffstat (limited to 'sysdeps/s390/s390-64/__longjmp.c')
| -rw-r--r-- | sysdeps/s390/s390-64/__longjmp.c | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/sysdeps/s390/s390-64/__longjmp.c b/sysdeps/s390/s390-64/__longjmp.c index 80abd3849a..030fb5b515 100644 --- a/sysdeps/s390/s390-64/__longjmp.c +++ b/sysdeps/s390/s390-64/__longjmp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). @@ -29,18 +29,35 @@ void __longjmp (__jmp_buf env, int val) { - /* 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" ); + 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 + ); /* Avoid `volatile function does return' warnings. */ for (;;); } - |