glibc/sysdeps/unix/bsd/sony/newsos/m68k/sysdep.h

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1993-04-23 02:42:59 +00:00
/* Copyright (C) 1993 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/* This code wants to be run through m4. */
#include <sysdeps/unix/sysdep.h>
#define POUND(foo) (@@@Hash-Here@@@)foo
#ifdef __STDC__
#define ENTRY(name) \
.globl _##name; \
.even; \
_##name##:
#else
#define ENTRY(name) \
.globl _/**/name; \
.even; \
_/**/name/**/:
#endif
/* NewsOS 4 wants a stack frame around syscalls. */
1993-04-23 02:42:59 +00:00
#ifdef __STDC__
#define PSEUDO(name, syscall_name, args) \
.even; \
.globl syscall_error; \
error: jmp syscall_error; \
ENTRY (name) \
linkw fp, POUND(0); \
movel POUND(SYS_##syscall_name), d0; \
trap POUND(0); \
bcs error; \
unlk fp
#else
#define PSEUDO(name, syscall_name, args) \
.even; \
.globl syscall_error; \
error: jmp syscall_error; \
ENTRY (name) \
linkw fp, POUND(0); \
movel POUND(SYS_/**/syscall_name), d0; \
trap POUND(0); \
bcs error; \
unlk fp
#endif
#define ret rts
#define r0 d0
#define r1 d1
#define MOVE(x,y) movel x , y