| 1 |
148 |
jeremybenn |
/* libc/sys/linux/machine/i386/socketcall.h - x86 linux socket system calls */
|
| 2 |
|
|
|
| 3 |
|
|
/* Copyright 2002, Red Hat Inc. */
|
| 4 |
|
|
|
| 5 |
|
|
#ifndef _SOCKETCALL_H
|
| 6 |
|
|
|
| 7 |
|
|
#define _SOCKETCALL_H
|
| 8 |
|
|
|
| 9 |
|
|
#include <machine/weakalias.h>
|
| 10 |
|
|
#include <sys/errno.h>
|
| 11 |
|
|
#include <asm/unistd.h>
|
| 12 |
|
|
#include "sockops.h"
|
| 13 |
|
|
|
| 14 |
|
|
/*
|
| 15 |
|
|
* PIC uses %ebx, so we need to save it during system calls
|
| 16 |
|
|
*/
|
| 17 |
|
|
|
| 18 |
|
|
#ifdef __syscall_return
|
| 19 |
|
|
|
| 20 |
|
|
#define __sockcall_base(type, name) \
|
| 21 |
|
|
{ \
|
| 22 |
|
|
long __res; \
|
| 23 |
|
|
__asm__ volatile ("push %%ebx; movl %2,%%ebx; lea 8(%%ebp),%%ecx; int $0x80; pop %%ebx" \
|
| 24 |
|
|
: "=a" (__res) \
|
| 25 |
|
|
: "0" (__NR_socketcall),"r" (SOCK_##name)); \
|
| 26 |
|
|
__syscall_return(type,__res); \
|
| 27 |
|
|
}
|
| 28 |
|
|
|
| 29 |
|
|
#else /* !defined(__syscall_return) */
|
| 30 |
|
|
|
| 31 |
|
|
/* FIXME: we need to rewrite this for a vsyscall system. */
|
| 32 |
|
|
|
| 33 |
|
|
#define __syscall_return(type, res) \
|
| 34 |
|
|
do { \
|
| 35 |
|
|
if ((unsigned long)(res) >= (unsigned long)(-125)) { \
|
| 36 |
|
|
errno = -(res); \
|
| 37 |
|
|
res = -1; \
|
| 38 |
|
|
} \
|
| 39 |
|
|
return (type) (res); \
|
| 40 |
|
|
} while (0)
|
| 41 |
|
|
|
| 42 |
|
|
#define __sockcall_base(type, name) \
|
| 43 |
|
|
{ \
|
| 44 |
|
|
long __res; \
|
| 45 |
|
|
__asm__ volatile ("push %%ebx; movl %2,%%ebx; lea 8(%%ebp),%%ecx; int $0x80; pop %%ebx" \
|
| 46 |
|
|
: "=a" (__res) \
|
| 47 |
|
|
: "0" (__NR_socketcall),"r" (SOCK_##name)); \
|
| 48 |
|
|
__syscall_return(type,__res); \
|
| 49 |
|
|
}
|
| 50 |
|
|
|
| 51 |
|
|
#endif /* !defined(__syscall_return) */
|
| 52 |
|
|
|
| 53 |
|
|
#undef _sockcall1
|
| 54 |
|
|
#define _sockcall1(type,name,type1,arg1) \
|
| 55 |
|
|
type __libc_##name(type1 arg1) \
|
| 56 |
|
|
__sockcall_base(type,name) \
|
| 57 |
|
|
weak_alias(__libc_##name,name)
|
| 58 |
|
|
|
| 59 |
|
|
#undef _sockcall2
|
| 60 |
|
|
#define _sockcall2(type,name,type1,arg1,type2,arg2) \
|
| 61 |
|
|
type __libc_##name(type1 arg1, type2 arg2) \
|
| 62 |
|
|
__sockcall_base(type,name) \
|
| 63 |
|
|
weak_alias(__libc_##name,name)
|
| 64 |
|
|
|
| 65 |
|
|
#undef _sockcall3
|
| 66 |
|
|
#define _sockcall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
|
| 67 |
|
|
type __libc_##name(type1 arg1, type2 arg2, type3 arg3) \
|
| 68 |
|
|
__sockcall_base(type,name) \
|
| 69 |
|
|
weak_alias(__libc_##name,name)
|
| 70 |
|
|
|
| 71 |
|
|
#undef _sockcall4
|
| 72 |
|
|
#define _sockcall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
|
| 73 |
|
|
type __libc_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
|
| 74 |
|
|
__sockcall_base(type,name) \
|
| 75 |
|
|
weak_alias(__libc_##name,name)
|
| 76 |
|
|
|
| 77 |
|
|
#undef _sockcall5
|
| 78 |
|
|
#define _sockcall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
|
| 79 |
|
|
type __libc_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
|
| 80 |
|
|
__sockcall_base(type,name) \
|
| 81 |
|
|
weak_alias(__libc_##name,name)
|
| 82 |
|
|
|
| 83 |
|
|
#undef _sockcall6
|
| 84 |
|
|
#define _sockcall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \
|
| 85 |
|
|
type __libc_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \
|
| 86 |
|
|
__sockcall_base(type,name) \
|
| 87 |
|
|
weak_alias(__libc_##name,name)
|
| 88 |
|
|
|
| 89 |
|
|
#endif /* _SOCKETCALL_H */
|
