sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S

   1 /* Copyright (C) 1997-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
   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
  21         .text
  22         .globl          __syscall_error
  23 ENTRY(__libc_pipe)
  24         mov     %o0, %o2            /* Save PIPEDES. */
  25         mov     SYS_ify(pipe),%g1
  26         ta      0x10
  27         bcc     1f
  28          mov    %o7, %g1
  29         call    __syscall_error
  30          mov    %g1, %o7
  31 1:      st      %o0, [%o2]           /* PIPEDES[0] = %o0; */
  32         st      %o1, [%o2 + 4]       /* PIPEDES[1] = %o1; */
  33         retl
  34          clr    %o0
  35 END(__libc_pipe)
  36
  37 weak_alias (__libc_pipe, __pipe)
  38 libc_hidden_def (__pipe)
  39 weak_alias (__libc_pipe, pipe)