sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S

   1 /* Copyright (C) 1997-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Richard Henderson (rth@tamu.edu).
   4
   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.
   9
  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.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdep.h>
  20 #include "ucontext_i.h"
  21
  22 /* int setcontext(ucontext_t *ctx); */
  23 .weak setcontext
  24 ENTRY(setcontext)
  25
  26         ba,pt   %xcc, 1f
  27          mov    1, %o1
  28
  29 END(setcontext)
  30
  31 /* int __setcontext(ucontext_t *ctx, int restoremask); */
  32 ENTRY(__setcontext)
  33
  34 1:      ldx     [%o0 + UC_SIGMASK], %o2
  35         stx     %o2, [%o0 + __UC_SIGMASK]
  36         ta      0x6f
  37
  38 END(__setcontext)