sysdeps/unix/mips/sysdep.h

   1 /* Copyright (C) 1992, 1995 Free Software Foundation, Inc.
   2    Contributed by Brendan Kehoe (brendan@zen.org).
   3
   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.
   8
   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.
  13
  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
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <sysdeps/unix/sysdep.h>
  20
  21 #ifdef ASSEMBLER
  22
  23 #include <regdef.h>
  24
  25 #define ENTRY(name) \
  26   .globl name;                                                                \
  27   .align 2;                                                                   \
  28   .ent name,0;                                                                \
  29   name##:
  30
  31 /* Note that while it's better structurally, going back to call syscall_error
  32    can make things confusing if you're debugging---it looks like it's jumping
  33    backwards into the previous fn.  */
  34 #define PSEUDO(name, syscall_name, args) \
  35   .set noreorder;                                                             \
  36   .align 2;                                                                   \
  37   99: j syscall_error;                                                        \
  38   nop;                                                                        \
  39   ENTRY(name)                                                                 \
  40   li v0, SYS_##syscall_name;                                                  \
  41   syscall;                                                                    \
  42   bne a3, zero, 99b;                                                          \
  43   nop;                                                                        \
  44 syse1:
  45
  46 #define ret     j ra ; nop
  47 #define r0      v0
  48 #define r1      v1
  49 /* The mips move insn is d,s.  */
  50 #define MOVE(x,y)       move y , x
  51
  52 #endif