| /* Copyright 2001-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Alexandre Oliva <aoliva@redhat.com>. |
| Based on ../i386/socket.S. |
| |
| 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. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdep.h> |
| #include <socketcall.h> |
| |
| #define P(a, b) P2(a, b) |
| #define P2(a, b) a##b |
| |
| .text |
| /* 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. */ |
| |
| #ifndef __socket |
| #ifndef NO_WEAK_ALIAS |
| #define __socket P(__,socket) |
| #else |
| #define __socket socket |
| #endif |
| #endif |
| |
| .globl __socket |
| ENTRY (__socket) |
| |
| mov d0,(4,sp) |
| mov d1,(8,sp) |
| |
| mov SYS_ify(socketcall),d0 /* System call number in d0. */ |
| |
| /* Use ## so `socket' is a separate token that might be #define'd. */ |
| mov P(SOCKOP_,socket),a0 /* Subcode is first arg to syscall. */ |
| mov sp,d1 |
| add 4,d1 /* Address of args is 2nd arg. */ |
| |
| /* Do the system call trap. */ |
| syscall 0 |
| |
| /* d0 is < 0 if there was an error. */ |
| cmp -126,d0 |
| bls L(pseudo_end) |
| jmp SYSCALL_ERROR_LABEL |
| |
| /* Successful; return the syscall's value. */ |
| L(pseudo_end): |
| ret |
| |
| PSEUDO_END (__socket) |
| |
| #ifndef NO_WEAK_ALIAS |
| weak_alias (__socket, socket) |
| #endif |
