diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/socket.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/socket.S | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/socket.S b/sysdeps/unix/sysv/linux/i386/socket.S deleted file mode 100644 index d87390c662..0000000000 --- a/sysdeps/unix/sysv/linux/i386/socket.S +++ /dev/null @@ -1,122 +0,0 @@ -/* Copyright (C) 1995-2015 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep-cancel.h> -#include <socketcall.h> -#include <tls.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/i386. - 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) -#if defined NEED_CANCELLATION && defined CENABLE - SINGLE_THREAD_P - jne 1f -#endif - - /* Save registers. */ - movl %ebx, %edx - cfi_register (3, 2) - - movl $SYS_ify(socketcall), %eax /* System call number in %eax. */ - - /* Use ## so `socket' is a separate token that might be #define'd. */ - movl $P(SOCKOP_,socket), %ebx /* Subcode is first arg to syscall. */ - lea 4(%esp), %ecx /* Address of args is 2nd arg. */ - - /* Do the system call trap. */ - ENTER_KERNEL - - /* Restore registers. */ - movl %edx, %ebx - cfi_restore (3) - - /* %eax is < 0 if there was an error. */ - cmpl $-125, %eax - jae SYSCALL_ERROR_LABEL - - /* Successful; return the syscall's value. */ - ret - - -#if defined NEED_CANCELLATION && defined CENABLE - /* We need one more register. */ -1: pushl %esi - cfi_adjust_cfa_offset(4) - - /* Enable asynchronous cancellation. */ - CENABLE - movl %eax, %esi - cfi_offset(6, -8) /* %esi */ - - /* Save registers. */ - movl %ebx, %edx - cfi_register (3, 2) - - movl $SYS_ify(socketcall), %eax /* System call number in %eax. */ - - /* Use ## so `socket' is a separate token that might be #define'd. */ - movl $P(SOCKOP_,socket), %ebx /* Subcode is first arg to syscall. */ - lea 8(%esp), %ecx /* Address of args is 2nd arg. */ - - /* Do the system call trap. */ - ENTER_KERNEL - - /* Restore registers. */ - movl %edx, %ebx - cfi_restore (3) - - /* Restore the cancellation. */ - xchgl %esi, %eax - CDISABLE - - /* Restore registers. */ - movl %esi, %eax - popl %esi - cfi_restore (6) - cfi_adjust_cfa_offset(-4) - - /* %eax is < 0 if there was an error. */ - cmpl $-125, %eax - jae SYSCALL_ERROR_LABEL - - /* Successful; return the syscall's value. */ - ret -#endif -PSEUDO_END (__socket) - -#ifndef NO_WEAK_ALIAS -weak_alias (__socket, socket) -#endif |