1 /* Install given context.
2 Copyright (C) 2005 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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
22 #include "ucontext_i.h"
24 /* int __setcontext (const ucontext_t *uc); */
33 /* sigprocmask (SIG_SETMASK, &uc->uc_sigmask, NULL). */
39 mov #+SYS_ify(sigprocmask), r3
44 not r1, r1 // r1=0 means r0 = -1 to -4095
45 tst r1, r1 // i.e. error in linux
46 bf .Lsetcontext_restore
101 /* Skip GBR which is used for thread pointer. */
120 cfi_adjust_cfa_offset(4)
121 cfi_rel_offset (r1, 0)
123 cfi_adjust_cfa_offset(4)
124 cfi_rel_offset (r2, 0)
139 PSEUDO_END(__setcontext)
141 weak_alias (__setcontext, setcontext)