sysdeps/unix/bsd/hp/m68k/sysdep.h

   1 /* Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   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 /* This code wants to be run through m4.  */
  20
  21 #include <sysdeps/unix/sysdep.h>
  22
  23 #ifdef  ASSEMBLER
  24
  25 #define POUND   #
  26
  27 #ifdef  __STDC__
  28 #define ENTRY(name)                                                           \
  29   .globl _##name;                                                             \
  30   .even;                                                                      \
  31   _##name##:
  32 #else
  33 #define ENTRY(name)                                                           \
  34   .globl _/**/name;                                                           \
  35   .even;                                                                      \
  36   _/**/name/**/:
  37 #endif
  38
  39 #define PSEUDO(name, syscall_name, args)                                      \
  40   .even;                                                                      \
  41   .globl syscall_error;                                                       \
  42   error: jmp syscall_error;                                                   \
  43   ENTRY (name)                                                                \
  44   DO_CALL (POUND SYS_ify (syscall_name), args)
  45
  46 #define DO_CALL(syscall, args)                                                \
  47   movel syscall, d0;                                                          \
  48   trap POUND 0;                                                               \
  49   bcs error
  50
  51 #define ret     rts
  52 #define r0      d0
  53 #define r1      d1
  54 #define MOVE(x,y)       movel x , y
  55
  56 #endif  /* ASSEMBLER */