1 /* Copyright (C) 1995,96,97,99, 2003, 2006 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 51 Franklin Street,
17 Fifth Floor, Boston MA 02110-1301, USA. */
19 #include <sysdep-cancel.h>
20 #include <socketcall.h>
22 #define P(a, b) P2(a, b)
25 /* The socket-oriented system calls are handled unusally in Linux.
26 They are all gated through the single `socketcall' system call number.
27 `socketcall' takes two arguments: the first is the subcode, specifying
28 which socket function is being called; and the second is a pointer to
29 the arguments to the specific function.
31 The .S files for the other calls just #define socket and #include this.
32 They also #define a 'number-of-arguments' word in NARGS, which
37 #error NARGS not defined
42 #define stackblock 80 /* offset to socket parm area. */
45 # ifndef NO_WEAK_ALIAS
46 # define __socket P(__,socket)
48 # define __socket socket
56 cfi_adjust_cfa_offset(144)
61 std r4,8+stackblock(r1)
64 std r5,16+stackblock(r1)
67 std r6,24+stackblock(r1)
70 std r7,32+stackblock(r1)
73 std r8,40+stackblock(r1)
76 std r9,48+stackblock(r1)
79 std r10,56+stackblock(r1)
82 #error too many arguments!
85 #if defined NEED_CANCELLATION && defined CENABLE
90 li r3,P(SOCKOP_,socket)
92 DO_CALL(SYS_ify(socketcall))
96 #if defined NEED_CANCELLATION && defined CENABLE
103 li r3,P(SOCKOP_,socket)
104 addi r4,r1,stackblock
105 DO_CALL(SYS_ify(socketcall))
119 PSEUDO_END (__socket)
121 #ifndef NO_WEAK_ALIAS
122 weak_alias (__socket, socket)