1 /* Copyright (C) 1997 Free Software Foundation, Inc.
2 Contributed by Richard Henderson (rth@tamu.edu).
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 /* longjmp is implemented in terms of the setcontext trap on Linux/Sparc64. */
23 /* Offsets into the jmp_buf structure. */
25 #define O_mask_was_saved 512
27 #define O_g1 (O_gregs + 4*8)
30 /* void longjmp (sigjmp_buf env, int val) */
34 /* Modify the context with the value we want to return. */
38 /* Let setcontext know if we want to modify the current sigmask. */
39 ld [%o0 + O_mask_was_saved], %o1
41 /* And bamf back to where we belong! */
46 strong_alias(longjmp, __longjmp)
47 eak_alias(longjmp, _longjmp)
48 weak_alias(longjmp, siglongjmp)