| /* Copyright (C) 1997, 1998, 2002, 2003 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sysdep-cancel.h> |
| #include <socketcall.h> |
| |
| #define P(a, b) P2(a, b) |
| #define P2(a, b) a##b |
| |
| #ifndef NARGS |
| #ifdef socket |
| #error NARGS not defined |
| #endif |
| #define NARGS 3 |
| #endif |
| |
| .text |
| /* The socket-oriented system calls are handled unusually 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. */ |
| |
| #ifndef __socket |
| # ifndef NO_WEAK_ALIAS |
| # define __socket P(__,socket) |
| # else |
| # define __socket socket |
| # endif |
| #endif |
| |
| .globl __syscall_error |
| ENTRY (__socket) |
| |
| /* Drop up to 6 arguments (recvfrom) into the memory allocated by |
| the caller for varargs, since that's really what we have. */ |
| st %o0, [%sp + 68 + 0] |
| st %o1, [%sp + 68 + 4] |
| #if NARGS > 2 |
| st %o2, [%sp + 68 + 8] |
| #if NARGS > 3 |
| st %o3, [%sp + 68 + 12] |
| #if NARGS > 4 |
| st %o4, [%sp + 68 + 16] |
| #if NARGS > 5 |
| st %o5, [%sp + 68 + 20] |
| #endif |
| #endif |
| #endif |
| #endif |
| |
| #if defined NEED_CANCELLATION && defined CENABLE |
| SINGLE_THREAD_P |
| cmp %g1, 0 |
| bne .Lsocket_cancel |
| #endif |
| mov P(SOCKOP_,socket), %o0 /* arg 1: socket subfunction */ |
| add %sp, 68, %o1 /* arg 2: parameter block */ |
| LOADSYSCALL(socketcall) |
| t 0x10 |
| bcc 1f |
| mov %o7, %g1 |
| call __syscall_error |
| mov %g1, %o7 |
| 1: jmpl %o7 + 8, %g0 |
| nop |
| |
| #if defined NEED_CANCELLATION && defined CENABLE |
| .Lsocket_cancel: |
| save %sp, -96, %sp |
| cfi_def_cfa_register(%fp) |
| cfi_window_save |
| cfi_register(%o7, %i7) |
| CENABLE |
| nop |
| mov %o0, %l0 |
| add %sp, 68 + 96, %o1 |
| mov P(SOCKOP_,socket), %o0 |
| LOADSYSCALL(socketcall) |
| t 0x10 |
| bcc 1f |
| mov %o0, %l1 |
| CDISABLE; |
| mov %l0, %o0; |
| call __syscall_error; |
| mov %l1, %o0; |
| b 1f |
| mov -1, %l1; |
| 1: CDISABLE |
| mov %l0, %o0 |
| 2: jmpl %i7 + 8, %g0 |
| restore %g0, %l1, %o0 |
| #endif |
| |
| END (__socket) |
| |
| #ifndef NO_WEAK_ALIAS |
| weak_alias (__socket, socket) |
| #endif |