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 /* __sigsetjmp is implemented in terms of the getcontext trap on
24 /* Offsets into the jmp_buf structure. */
26 #define O_mask_was_saved 512
28 #define O_g1 (O_gregs + 4*8)
30 /* int _setjmp(jmp_buf) */
37 /* int setjmp(jmp_buf) */
43 /* int __sigsetjmp(jmp_buf, savemask) */
48 /* Record whether the user is intending to save the sigmask. */
49 st %o1, [%o0 + O_mask_was_saved]
51 /* Load up our return value, as longjmp is going to override
52 the jmp_buf on its way back. */
55 /* And call getcontext! */
63 weak_alias(__setjmp, _setjmp)