1 /* Copyright (C) 1997, 2001, 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Richard Henderson (rth@tamu.edu).
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 /* longjmp is implemented in terms of the setcontext trap on Linux/Sparc64. */
24 /* Offsets into the jmp_buf structure. */
26 #define O_mask_was_saved 512
28 #define O_g1 (O_gregs + 4*8)
31 /* void longjmp (sigjmp_buf env, int val) */
33 ENTRY(__libc_siglongjmp)
35 /* Modify the context with the value we want to return. */
39 /* Let setcontext know if we want to modify the current sigmask. */
40 ld [%o0 + O_mask_was_saved], %o1
42 /* And bamf back to where we belong! */
45 END(__libc_siglongjmp)
47 strong_alias(__libc_siglongjmp, __longjmp)
48 strong_alias(__libc_siglongjmp, __libc_longjmp)
49 libc_hidden_def (__libc_longjmp)
50 weak_alias (__libc_siglongjmp, longjmp)
51 weak_alias (__libc_siglongjmp, _longjmp)
52 weak_alias (__libc_siglongjmp, siglongjmp)