1 /* Copyright (C) 1997-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
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, see
17 <http://www.gnu.org/licenses/>. */
19 #include <sysdep-cancel.h>
20 #include <socketcall.h>
22 #define P(a, b) P2(a, b)
27 #error NARGS not defined
33 /* The socket-oriented system calls are handled unusually in Linux.
34 They are all gated through the single `socketcall' system call number.
35 `socketcall' takes two arguments: the first is the subcode, specifying
36 which socket function is being called; and the second is a pointer to
37 the arguments to the specific function.
39 The .S files for the other calls just #define socket and #include this. */
42 # ifndef NO_WEAK_ALIAS
43 # define __socket P(__,socket)
45 # define __socket socket
49 .globl __syscall_error
52 /* Drop up to 6 arguments (recvfrom) into the memory allocated by
53 the caller for varargs, since that's really what we have. */
54 stx %o0, [%sp + STACK_BIAS + 128 + 0]
55 stx %o1, [%sp + STACK_BIAS + 128 + 8]
57 stx %o2, [%sp + STACK_BIAS + 128 + 16]
59 stx %o3, [%sp + STACK_BIAS + 128 + 24]
61 stx %o4, [%sp + STACK_BIAS + 128 + 32]
63 stx %o5, [%sp + STACK_BIAS + 128 + 40]
69 #if defined NEED_CANCELLATION && defined CENABLE
74 mov P(SOCKOP_,socket), %o0 /* arg 1: socket subfunction */
75 add %sp, STACK_BIAS + 128, %o1 /* arg 2: parameter block */
76 LOADSYSCALL(socketcall)
86 #if defined NEED_CANCELLATION && defined CENABLE
89 cfi_def_cfa_register (%fp)
91 cfi_register (%o7, %i7)
95 add %sp, 160 + STACK_BIAS + 128, %o1
96 mov P(SOCKOP_,socket), %o0
97 LOADSYSCALL(socketcall)
104 call __syscall_error;
111 restore %g0, %l1, %o0
116 #ifndef NO_WEAK_ALIAS
117 weak_alias (__socket, socket)