diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S b/REORG.TODO/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S new file mode 100644 index 0000000000..770e4def41 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S @@ -0,0 +1,51 @@ +/* Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson (rth@tamu.edu). + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* longjmp is implemented in terms of the setcontext trap on Linux/Sparc64. */ + +#include <sysdep.h> + +/* Offsets into the jmp_buf structure. */ + +#define O_mask_was_saved 512 +#define O_gregs 32 +#define O_g1 (O_gregs + 4*8) + + +/* void longjmp (sigjmp_buf env, int val) */ + +ENTRY(__libc_siglongjmp) + + /* Modify the context with the value we want to return. */ + movre %o1, 1, %o1 + stx %o1, [%o0 + O_g1] + + /* Let setcontext know if we want to modify the current sigmask. */ + ld [%o0 + O_mask_was_saved], %o1 + + /* And bamf back to where we belong! */ + ta 0x6f + +END(__libc_siglongjmp) + +strong_alias(__libc_siglongjmp, __longjmp) +strong_alias(__libc_siglongjmp, __libc_longjmp) +libc_hidden_def (__libc_longjmp) +weak_alias (__libc_siglongjmp, longjmp) +weak_alias (__libc_siglongjmp, _longjmp) +weak_alias (__libc_siglongjmp, siglongjmp) |