sfsyscall.h

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/*
 * sfsyscall.h --- SFLib syscall macros for OpenBSD/i386 
 * see http://www.secdev.org/projects/shellforge.html for more informations
 *
 * Copyright (C) 2004  Philippe Biondi <phil@secdev.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation.
 *
 * This program 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
 * Lesser General Public License for more details.
 */
 
 
/*
 * Automatically generated by gensflib.py 
 * Fri Nov 25 15:52:34 2011
 */
 
#ifndef SFSYSCALL_H
#define SFSYSCALL_H
 
 
/* $Id$ */
 
#ifdef SF_USE_ERRNO
/* Remove errno stuff */
int errno;
#error "SF_USER_ERRNO not supported yet"
#else
#define __sfsyscall_return(type, res) \
do { \
    return (type) (res); \
} while (0)
#endif
 
 
/* syscall macros */
 
#define _sfsyscall0(type,name) \
type name(void) \
{ \
long __res; \
__asm__ volatile ("int $0x80" \
    : "=a" (__res) \
    : "0" (__NR_##name)); \
__sfsyscall_return(type,__res); \
}
 
#define _sfsyscall1(type,name,type1,arg1) \
type name(type1 arg1) \
{ \
long __res; \
__asm__ volatile ("pushl %2\n\t"     \
          "pushl %%eax\n\t"  \
          "int   $0x80\n\t"  \
          "add   $8, %%esp"  \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1))); \
__sfsyscall_return(type,__res); \
}
 
#define _sfsyscall2(type,name,type1,arg1,type2,arg2) \
type name(type1 arg1,type2 arg2) \
{ \
long __res; \
__asm__ volatile ("pushl %3\n\t"     \
          "pushl %2\n\t"     \
          "pushl %%eax\n\t"  \
          "int   $0x80\n\t"  \
          "add   $12, %%esp" \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1)),"g" ((long)(arg2)) ); \
__sfsyscall_return(type,__res); \
}
 
#define _sfsyscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
type name(type1 arg1,type2 arg2,type3 arg3) \
{ \
long __res; \
__asm__ volatile ("pusha; pushl %4\n\t"     \
          "pushl %3\n\t"     \
          "pushl %2\n\t"     \
          "pushl %%eax\n\t"  \
          "int   $0x80\n\t"  \
          "add   $16, %%esp\n\t" \
          "popa" \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1)),"g" ((long)(arg2)), \
          "g" ((long)(arg3)) ); \
__sfsyscall_return(type,__res); \
}
 
#define _sfsyscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
{ \
long __res; \
__asm__ volatile ("pushl %5\n\t"     \
          "pushl %4\n\t"     \
          "pushl %3\n\t"     \
          "pushl %2\n\t"     \
          "pushl %%eax\n\t"  \
          "int   $0x80\n\t"  \
          "add   $20, %%esp" \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1)),"c" ((long)(arg2)), \
      "d" ((long)(arg3)),"S" ((long)(arg4)) ); \
__sfsyscall_return(type,__res); \
} 
 
#define _sfsyscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
      type5,arg5) \
type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
{ \
long __res; \
__asm__ volatile ("pushl %6\n\t"     \
          "pushl %5\n\t"     \
          "pushl %4\n\t"     \
          "pushl %3\n\t"     \
          "pushl %2\n\t"     \
          "pushl %%eax\n\t"  \
          "int   $0x80\n\t"  \
          "add   $24, %%esp" \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1)),"g" ((long)(arg2)), \
      "g" ((long)(arg3)),"g" ((long)(arg4)),"g" ((long)(arg5))); \
__sfsyscall_return(type,__res); \
}
 
#define _sfsyscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
      type5,arg5,type6,arg6) \
type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6) \
{ \
long __res; \
__asm__ volatile ("pushl %7\n\t"     \
          "pushl %6\n\t"     \
          "pushl %5\n\t"     \
          "pushl %4\n\t"     \
          "pushl %3\n\t"     \
          "pushl %2\n\t"     \
          "pushl %%eax\n\t"  \
          "int   $0x80\n\t"  \
          "add   $28, %%esp" \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1)),"g" ((long)(arg2)), \
      "g" ((long)(arg3)),"g" ((long)(arg4)),"g" ((long)(arg5)), \
      "g" ((long)(arg6))); \
__sfsyscall_return(type,__res); \
}
 
 
 
#endif /* SFSYSCALL_H */