sfsyscall.h

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/*
 * sfsyscall.h --- SFLib syscall macros for Linux/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 
 * Mon Mar 21 13:23:31 2022
 */
 
#ifndef SFSYSCALL_H
#define SFSYSCALL_H
        
 
/* $Id$ */
 
#ifdef SF_USE_ERRNO
 
static int errno=1234;
 
#define __sfsyscall_return(type, res) \
do { \
        if ((unsigned long)(res) >= (unsigned long)(-125)) { \
                errno = -(res); \
                res = -1; \
        } \
        return (type) (res); \
} while (0)
 
#else /* SF_USE_ERRNO */
 
#define __sfsyscall_return(type, res) \
do { \
    return (type) (res); \
} while (0)
 
#endif /* SF_USE_ERRNO */
 
 
/* syscall macros */
 
#define _sfsyscall0(type,name) \
type name(void) \
{ \
long __res; \
__asm__ volatile ("###> " #name "() <###\n\t" \
           "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 ("###> " #name "(%2) <###\n\t"    \
          "pushl %%ebx\n\t"     \
                  "mov %2,%%ebx\n\t"    \
          "int $0x80\n\t"       \
                  "popl %%ebx"          \
    : "=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 ("###> " #name "(%2, %3) <###\n\t"    \
          "pushl %%ebx\n\t"     \
                  "mov %2,%%ebx\n\t"    \
          "int $0x80\n\t"       \
                  "popl %%ebx"          \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1)),"c" ((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 ("###> " #name "(%2, %3, %4) <###\n\t"    \
          "pushl %%ebx\n\t"     \
                  "mov %2,%%ebx\n\t"    \
          "int $0x80\n\t"       \
                  "popl %%ebx"          \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1)),"c" ((long)(arg2)), \
          "d" ((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 ("###> " #name "(%2, %3, %4, %5) <###\n\t"    \
          "pushl %%ebx\n\t"     \
                  "mov %2,%%ebx\n\t"    \
          "int $0x80\n\t"       \
                  "popl %%ebx"          \
    : "=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 ("###> " #name "(%2, %3, %4, %5, %6) <###\n\t"    \
          "pushl %%ebx\n\t"     \
                  "mov %2,%%ebx\n\t"    \
          "int $0x80\n\t"       \
                  "popl %%ebx"          \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1)),"c" ((long)(arg2)), \
      "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((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 ("##> " #name "(%2, %3, %4, %5, %6, %7) <###\n\t"    \
          "pushl %%ebx\n\t"  \
          "pushl %%ebp\n\t"  \
                  "movl %2,%%ebx\n\t" \
                  "movl %7,%%ebp\n\t" \
          "int $0x80\n\t"    \
          "popl %%ebp\n\t"   \
                  "popl %%ebx"       \
    : "=a" (__res) \
    : "0" (__NR_##name),"g" ((long)(arg1)),"c" ((long)(arg2)), \
      "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)), \
      "g" ((long)(arg6))); \
__sfsyscall_return(type,__res); \
}
 
 
#define _sfoldsyscall6(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 %%ebx\n\t"  \
                  "pushl %7\n\t" \
                  "pushl %6\n\t" \
                  "pushl %5\n\t" \
                  "pushl %4\n\t" \
                  "pushl %3\n\t" \
                  "pushl %2\n\t" \
                  "movl %%esp, %%ebx\n\t" \
                  "int $0x80\n\t"    \
                  "add $0x18,%%esp\n\t"  \
                  "popl %%ebx"   \
        : "=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 */