diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/socket.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/socket.S | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/socket.S b/sysdeps/unix/sysv/linux/powerpc/socket.S new file mode 100644 index 0000000..32bb8f6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/socket.S @@ -0,0 +1,83 @@ +/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sysdep.h> +#include <sys/socketcall.h> + +#define P(a, b) P2(a, b) +#define P2(a, b) a##b + +/* The socket-oriented system calls are handled unusally in Linux. + They are all gated through the single `socketcall' system call number. + `socketcall' takes two arguments: the first is the subcode, specifying + which socket function is being called; and the second is a pointer to + the arguments to the specific function. + + The .S files for the other calls just #define socket and #include this. + They also #define a 'number-of-arguments' word in NARGS, which + defaults to 3. */ + +#ifndef NARGS +#ifdef socket +#error NARGS not defined +#endif +#define NARGS 3 +#endif + +#define stackblock 20 + + .text +ENTRY(P(__,socket)) + stwu 1,-48(1) +#if NARGS >= 1 + stw 3,stackblock(1) +#endif +#if NARGS >= 2 + stw 4,4+stackblock(1) +#endif +#if NARGS >= 3 + stw 5,8+stackblock(1) +#endif +#if NARGS >= 4 + stw 6,12+stackblock(1) +#endif +#if NARGS >= 5 + stw 7,16+stackblock(1) +#endif +#if NARGS >= 6 + stw 8,20+stackblock(1) +#endif +#if NARGS >= 7 + stw 9,24+stackblock(1) +#endif +#if NARGS >= 8 + stw 10,28+stackblock(1) +#endif +#if NARGS >= 9 +#error too many arguments! +#endif + li 3,P(SOCKOP_,socket) + addi 4,1,stackblock + DO_CALL(SYS_ify(socketcall)) + addi 1,1,48 + bnslr + b __syscall_error + +PSEUDO_END (P(__,socket)) + +weak_alias (P(__,socket), socket) |