sysdeps/unix/mips/sysdep.h

   1 /* Copyright (C) 1992, 1995, 1997, 1999, 2000, 2002, 2003
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Brendan Kehoe (brendan@zen.org).
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <sysdeps/unix/sysdep.h>
  22
  23 #ifdef __ASSEMBLER__
  24
  25 #include <regdef.h>
  26
  27 #define ENTRY(name) \
  28   .globl name;                                                                \
  29   .align 2;                                                                   \
  30   .ent name,0;                                                                \
  31   name##:
  32
  33 #undef END
  34 #define END(function)                                   \
  35                 .end    function;                       \
  36                 .size   function,.-function
  37
  38 #define ret     j ra ; nop
  39
  40 #undef PSEUDO_END
  41 #define PSEUDO_END(sym) .end sym; .size sym,.-sym
  42
  43 #define PSEUDO_NOERRNO(name, syscall_name, args)        \
  44   .align 2;                                             \
  45   ENTRY(name)                                           \
  46   .set noreorder;                                       \
  47   li v0, SYS_ify(syscall_name);                         \
  48   syscall
  49
  50 #undef PSEUDO_END_NOERRNO
  51 #define PSEUDO_END_NOERRNO(sym) .end sym; .size sym,.-sym
  52
  53 #define ret_NOERRNO ret
  54
  55 #define PSEUDO_ERRVAL(name, syscall_name, args) \
  56   .align 2;                                             \
  57   ENTRY(name)                                           \
  58   .set noreorder;                                       \
  59   li v0, SYS_ify(syscall_name);                         \
  60   syscall
  61
  62 #undef PSEUDO_END_ERRVAL
  63 #define PSEUDO_END_ERRVAL(sym) .end sym; .size sym,.-sym
  64
  65 #define ret_ERRVAL ret
  66
  67 #define r0      v0
  68 #define r1      v1
  69 /* The mips move insn is d,s.  */
  70 #define MOVE(x,y)       move y , x
  71
  72 #if _MIPS_SIM == _MIPS_SIM_ABI32 || _MIPS_SIM == _MIPS_SIM_ABIO64
  73 # define L(label) $L ## label
  74 #else
  75 # define L(label) .L ## label
  76 #endif
  77
  78 #endif