diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/socket.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/arm/socket.S | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/socket.S b/sysdeps/unix/sysv/linux/arm/socket.S deleted file mode 100644 index 212a489afe..0000000000 --- a/sysdeps/unix/sysv/linux/arm/socket.S +++ /dev/null @@ -1,123 +0,0 @@ -/* Copyright (C) 1995, 1996, 1997, 1998, 2003 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, 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 - - .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 -#define __socket P(__,socket) -#endif - -#define PUSHARGS_1 str a1, [sp, $-4]! -#define PUSHARGS_2 stmfd sp!, {a1, a2} -#define PUSHARGS_3 stmfd sp!, {a1, a2, a3} -#define PUSHARGS_4 stmfd sp!, {a1, a2, a3, a4} -#define PUSHARGS_5 stmfd sp!, {a1, a2, a3, a4} /* Caller has already pushed arg 5 */ -#define PUSHARGS_6 stmfd sp!, {a1, a2, a3, a4} - -#define POPARGS_1 add sp, sp, #4 -#define POPARGS_2 add sp, sp, #8 -#define POPARGS_3 add sp, sp, #12 -#define POPARGS_4 add sp, sp, #16 -#define POPARGS_5 add sp, sp, #16 -#define POPARGS_6 add sp, sp, #16 - -#ifndef NARGS -#define NARGS 3 /* If we were called with no wrapper, this is really socket() */ -#endif - -#if defined NEED_CANCELLATION && defined CENABLE - PSEUDO_PROLOGUE -#endif - -.globl __socket -ENTRY (__socket) - /* This code previously moved sp into ip and stored the args using - stmdb ip!, {a1-a4}. It did not modify sp, so the stack never had - to be restored after the syscall completed. It saved an - instruction and meant no stack cleanup work was required. - - This will not work in the case of a socket call being interrupted - by a signal. If the signal handler uses any stack the arguments - to socket will be trashed. The results of a restart of any - socket call are then unpredictable. */ - - /* Push args onto the stack. */ - P(PUSHARGS_,NARGS) - -#if defined NEED_CANCELLATION && defined CENABLE -#ifdef PIC - SINGLE_THREAD_P_PIC(r3) -#else - SINGLE_THREAD_P -#endif - bne 1f -#endif - - /* Do the system call trap. */ - mov a1, $P(SOCKOP_,socket) - mov a2, sp - swi SYS_ify(socketcall) - - /* Pop args off the stack */ - P(POPARGS_,NARGS) - - /* r0 is < 0 if there was an error. */ - cmn r0, $124 - RETINSTR(cc, r14) - b PLTJMP(SYSCALL_ERROR) - -#if defined NEED_CANCELLATION && defined CENABLE -1: - str lr, [sp, #-4]! - CENABLE - mov ip, r0 - - mov r0, #P(SOCKOP_,socket) - add r1, sp, #4 - swi SYS_ify(socketcall) - - str r0, [sp, #-4]! - mov r0, ip - CDISABLE - ldr r0, [sp], #4 - ldr lr, [sp], #4 - - P(POPARGS_,NARGS) - - /* r0 is < 0 if there was an error. */ - cmn r0, $124 - RETINSTR(cc, r14) - b PLTJMP(SYSCALL_ERROR) -#endif - -PSEUDO_END (__socket) - -weak_alias (__socket, socket) |