1 /* Copyright (C) 1995-1997, 1999, 2003, 2006, 2007
2 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
20 #include <sysdep-cancel.h>
21 #include <socketcall.h>
23 #define P(a, b) P2(a, b)
26 /* The socket-oriented system calls are handled unusally in Linux.
27 They are all gated through the single `socketcall' system call number.
28 `socketcall' takes two arguments: the first is the subcode, specifying
29 which socket function is being called; and the second is a pointer to
30 the arguments to the specific function.
32 The .S files for the other calls just #define socket and #include this.
33 They also #define a 'number-of-arguments' word in NARGS, which
38 #error NARGS not defined
43 /* 0(r1) and 4(r1) are reserved by the ABI, 8(r1), 12(r1), 16(r1) are used
44 for temp saves. 44(r1) is used to save r30. */
48 # ifndef NO_WEAK_ALIAS
49 # define __socket P(__,socket)
51 # define __socket socket
58 cfi_adjust_cfa_offset(48)
63 stw r4,4+stackblock(r1)
66 stw r5,8+stackblock(r1)
69 stw r6,12+stackblock(r1)
72 stw r7,16+stackblock(r1)
75 stw r8,20+stackblock(r1)
78 #error too many arguments!
81 #if defined NEED_CANCELLATION && defined CENABLE
86 li r3,P(SOCKOP_,socket)
88 DO_CALL(SYS_ify(socketcall))
92 #if defined NEED_CANCELLATION && defined CENABLE
99 li r3,P(SOCKOP_,socket)
100 addi r4,r1,stackblock
101 DO_CALL(SYS_ify(socketcall))
116 PSEUDO_END (__socket)
118 #ifndef NO_WEAK_ALIAS
119 weak_alias (__socket, socket)