| /* Copyright (C) 1997, 2001, 2002 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| /* 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) |
