/* * sfsyscall.h --- SFLib syscall macros for OpenBSD/i386 * see http://www.secdev.org/projects/shellforge.html for more informations * * Copyright (C) 2004 Philippe Biondi * * 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 */