sysdeps/unix/i386/sysdep.h

   1 /* Copyright (C) 1991, 92, 93, 95, 96, 97 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 not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <sysdeps/unix/sysdep.h>
  20 #include <sysdeps/i386/sysdep.h>
  21
  22 #ifdef  __ASSEMBLER__
  23
  24 /* This is defined as a separate macro so that other sysdep.h files
  25    can include this one and then redefine DO_CALL.  */
  26
  27 #define DO_CALL(syscall_name, args)                                           \
  28   lea SYS_ify (syscall_name), %eax;                                           \
  29   lcall $7, $0
  30
  31 #define r0              %eax    /* Normal return-value register.  */
  32 #define r1              %edx    /* Secondary return-value register.  */
  33 #define scratch         %ecx    /* Call-clobbered register for random use.  */
  34 #define MOVE(x,y)       movl x, y
  35
  36 #endif  /* __ASSEMBLER__ */