90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* libc/sys/linux/machine/i386/socketcall.h - x86 linux socket system calls */
|
|
|
|
/* Copyright 2002, Red Hat Inc. */
|
|
|
|
#ifndef _SOCKETCALL_H
|
|
|
|
#define _SOCKETCALL_H
|
|
|
|
#include <machine/weakalias.h>
|
|
#include <sys/errno.h>
|
|
#include <asm/unistd.h>
|
|
#include "sockops.h"
|
|
|
|
/*
|
|
* PIC uses %ebx, so we need to save it during system calls
|
|
*/
|
|
|
|
#ifdef __syscall_return
|
|
|
|
#define __sockcall_base(type, name) \
|
|
{ \
|
|
long __res; \
|
|
__asm__ volatile ("push %%ebx; movl %2,%%ebx; lea 8(%%ebp),%%ecx; int $0x80; pop %%ebx" \
|
|
: "=a" (__res) \
|
|
: "0" (__NR_socketcall),"r" (SOCK_##name)); \
|
|
__syscall_return(type,__res); \
|
|
}
|
|
|
|
#else /* !defined(__syscall_return) */
|
|
|
|
/* FIXME: we need to rewrite this for a vsyscall system. */
|
|
|
|
#define __syscall_return(type, res) \
|
|
do { \
|
|
if ((unsigned long)(res) >= (unsigned long)(-125)) { \
|
|
errno = -(res); \
|
|
res = -1; \
|
|
} \
|
|
return (type) (res); \
|
|
} while (0)
|
|
|
|
#define __sockcall_base(type, name) \
|
|
{ \
|
|
long __res; \
|
|
__asm__ volatile ("push %%ebx; movl %2,%%ebx; lea 8(%%ebp),%%ecx; int $0x80; pop %%ebx" \
|
|
: "=a" (__res) \
|
|
: "0" (__NR_socketcall),"r" (SOCK_##name)); \
|
|
__syscall_return(type,__res); \
|
|
}
|
|
|
|
#endif /* !defined(__syscall_return) */
|
|
|
|
#undef _sockcall1
|
|
#define _sockcall1(type,name,type1,arg1) \
|
|
type __libc_##name(type1 arg1) \
|
|
__sockcall_base(type,name) \
|
|
weak_alias(__libc_##name,name)
|
|
|
|
#undef _sockcall2
|
|
#define _sockcall2(type,name,type1,arg1,type2,arg2) \
|
|
type __libc_##name(type1 arg1, type2 arg2) \
|
|
__sockcall_base(type,name) \
|
|
weak_alias(__libc_##name,name)
|
|
|
|
#undef _sockcall3
|
|
#define _sockcall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
|
|
type __libc_##name(type1 arg1, type2 arg2, type3 arg3) \
|
|
__sockcall_base(type,name) \
|
|
weak_alias(__libc_##name,name)
|
|
|
|
#undef _sockcall4
|
|
#define _sockcall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
|
|
type __libc_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
|
|
__sockcall_base(type,name) \
|
|
weak_alias(__libc_##name,name)
|
|
|
|
#undef _sockcall5
|
|
#define _sockcall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
|
|
type __libc_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
|
|
__sockcall_base(type,name) \
|
|
weak_alias(__libc_##name,name)
|
|
|
|
#undef _sockcall6
|
|
#define _sockcall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \
|
|
type __libc_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \
|
|
__sockcall_base(type,name) \
|
|
weak_alias(__libc_##name,name)
|
|
|
|
#endif /* _SOCKETCALL_H */
|