| /* 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 */ |