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https://sourceware.org/git/glibc.git
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* sysdeps/unix/sysv/linux/arm/eabi/socket.S: Delete.
* sysdeps/unix/sysv/linux/arm/eabi/syscalls.list, sysdeps/unix/sysv/linux/arm/eabi/umount.c: New files. * sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h (DOCARGS_6, UNDOCARGS_6, RESTORE_LR_6): Define. * sysdeps/unix/sysv/linux/arm/eabi/nptl/sysdep-cancel.h (DOCARGS_6, UNDOCARGS_6, RESTORE_LR_6): Define. * sysdeps/unix/sysv/linux/arm/eabi/sysdep.h: Undefine __NR_stime and __NR_alarm.
This commit is contained in:
Daniel Jacobowitz
parent
0353e641e9
commit
e5b5ba471f
@ -1,3 +1,15 @@
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2006-03-21 Daniel Jacobowitz <dan@codesourcery.com>
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* sysdeps/unix/sysv/linux/arm/eabi/socket.S: Delete.
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* sysdeps/unix/sysv/linux/arm/eabi/syscalls.list,
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sysdeps/unix/sysv/linux/arm/eabi/umount.c: New files.
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* sysdeps/unix/sysv/linux/arm/eabi/linuxthreads/sysdep-cancel.h
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(DOCARGS_6, UNDOCARGS_6, RESTORE_LR_6): Define.
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* sysdeps/unix/sysv/linux/arm/eabi/nptl/sysdep-cancel.h
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(DOCARGS_6, UNDOCARGS_6, RESTORE_LR_6): Define.
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* sysdeps/unix/sysv/linux/arm/eabi/sysdep.h: Undefine
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__NR_stime and __NR_alarm.
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2006-03-02 Daniel Jacobowitz <dan@codesourcery.com>
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* sysdeps/unix/sysv/linux/arm/linuxthreads/sysdep-cancel.h
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@ -53,9 +53,9 @@
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UNDOARGS_##args; \
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cmn r0, $4096;
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/* DOARGS pushes four bytes on the stack for five arguments, and nothing
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otherwise. In order to preserve doubleword alignment, sometimes we must
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save an extra register. */
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/* DOARGS pushes four bytes on the stack for five arguments, eight bytes for
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six arguments, and nothing for fewer. In order to preserve doubleword
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alignment, sometimes we must save an extra register. */
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# define DOCARGS_0 stmfd sp!, {r7, lr}
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# define UNDOCARGS_0
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@ -81,6 +81,10 @@
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# define UNDOCARGS_5 ldmfd sp!, {r0, r1, r2, r3}
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# define RESTORE_LR_5 ldmfd sp!, {r4, r7, lr}
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# define DOCARGS_6 stmfd sp!, {r0, r1, r2, r3, r7, lr}
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# define UNDOCARGS_6 ldmfd sp!, {r0, r1, r2, r3}
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# define RESTORE_LR_6 RESTORE_LR_0
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# ifdef IS_IN_libpthread
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# define CENABLE bl PLTJMP(__pthread_enable_asynccancel)
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# define CDISABLE bl PLTJMP(__pthread_disable_asynccancel)
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@ -64,9 +64,9 @@
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UNDOARGS_##args; \
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cmn r0, $4096;
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/* DOARGS pushes four bytes on the stack for five arguments, and nothing
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otherwise. In order to preserve doubleword alignment, sometimes we must
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save an extra register. */
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/* DOARGS pushes four bytes on the stack for five arguments, eight bytes for
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six arguments, and nothing for fewer. In order to preserve doubleword
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alignment, sometimes we must save an extra register. */
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# define RESTART_UNWIND .fnend; .fnstart; .save {r7, lr}
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@ -94,6 +94,10 @@
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# define UNDOCARGS_5 ldmfd sp!, {r0, r1, r2, r3}; .fnend; .fnstart; .save {r4}; .save {r7, lr}; .pad #4
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# define RESTORE_LR_5 ldmfd sp!, {r4, r7, lr}
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# define DOCARGS_6 .save {r4, r5}; stmfd sp!, {r0, r1, r2, r3, r7, lr}; .save {r7, lr}; .pad #20
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# define UNDOCARGS_6 ldmfd sp!, {r0, r1, r2, r3}; .fnend; .fnstart; .save {r4, r5}; .save {r7, lr}
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# define RESTORE_LR_6 RESTORE_LR_0
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# ifdef IS_IN_libpthread
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# define CENABLE bl PLTJMP(__pthread_enable_asynccancel)
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# define CDISABLE bl PLTJMP(__pthread_disable_asynccancel)
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@ -1,131 +0,0 @@
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/* Copyright (C) 1995, 1996, 1997, 1998, 2003, 2005
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep-cancel.h>
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#include <socketcall.h>
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#define P(a, b) P2(a, b)
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#define P2(a, b) a##b
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.text
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/* The socket-oriented system calls are handled unusally in Linux.
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They are all gated through the single `socketcall' system call number.
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`socketcall' takes two arguments: the first is the subcode, specifying
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which socket function is being called; and the second is a pointer to
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the arguments to the specific function.
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The .S files for the other calls just #define socket and #include this. */
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#ifndef __socket
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# ifndef NO_WEAK_ALIAS
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# define __socket P(__,socket)
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# else
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# define __socket socket
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# endif
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#endif
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#define PUSHARGS_1 str a1, [sp, $-8]!; .pad #8
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#define PUSHARGS_2 stmfd sp!, {a1, a2}; .pad #8
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#define PUSHARGS_3 stmfd sp!, {a1, a2, a3, a4}; .pad #16 /* a4 pushed for padding */
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#define PUSHARGS_4 stmfd sp!, {a1, a2, a3, a4}; .pad #16
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#define PUSHARGS_5 stmfd sp!, {a1, a2, a3, a4}; .pad #16 /* Caller has already pushed arg 5 */
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#define PUSHARGS_6 stmfd sp!, {a1, a2, a3, a4}; .pad #16
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#define POPARGS_1 add sp, sp, #8
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#define POPARGS_2 add sp, sp, #8
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#define POPARGS_3 add sp, sp, #16
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#define POPARGS_4 add sp, sp, #16
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#define POPARGS_5 add sp, sp, #16
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#define POPARGS_6 add sp, sp, #16
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#ifndef NARGS
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#define NARGS 3 /* If we were called with no wrapper, this is really socket() */
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#endif
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#if defined NEED_CANCELLATION && defined CENABLE
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PSEUDO_PROLOGUE
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#endif
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.globl __socket
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ENTRY (__socket)
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.fnstart
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/* This code previously moved sp into ip and stored the args using
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stmdb ip!, {a1-a4}. It did not modify sp, so the stack never had
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to be restored after the syscall completed. It saved an
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instruction and meant no stack cleanup work was required.
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This will not work in the case of a socket call being interrupted
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by a signal. If the signal handler uses any stack the arguments
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to socket will be trashed. The results of a restart of any
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socket call are then unpredictable. */
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/* Push args onto the stack. */
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P(PUSHARGS_,NARGS)
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#if defined NEED_CANCELLATION && defined CENABLE
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SINGLE_THREAD_P
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bne 1f
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#endif
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/* Do the system call trap. */
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mov a1, $P(SOCKOP_,socket)
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mov a2, sp
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DO_CALL (socketcall, 0)
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/* Pop args off the stack */
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P(POPARGS_,NARGS)
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/* r0 is < 0 if there was an error. */
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cmn r0, $124
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RETINSTR(cc, r14)
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b PLTJMP(SYSCALL_ERROR)
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#if defined NEED_CANCELLATION && defined CENABLE
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1:
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stmfd sp!, {r7, lr}
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.save {r7, lr}
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CENABLE
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mov ip, r0
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mov r0, #P(SOCKOP_,socket)
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add r1, sp, #8
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mov r7, #SYS_ify(socketcall)
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swi 0x0
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mov r7, r0
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mov r0, ip
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CDISABLE
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mov r0, r7
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ldmfd sp!, {r7, lr}
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P(POPARGS_,NARGS)
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/* r0 is < 0 if there was an error. */
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cmn r0, $124
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RETINSTR(cc, r14)
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b PLTJMP(SYSCALL_ERROR)
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#endif
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.fnend
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PSEUDO_END (__socket)
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#ifndef NO_WEAK_ALIAS
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weak_alias (__socket, socket)
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#endif
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34
sysdeps/unix/sysv/linux/arm/eabi/syscalls.list
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34
sysdeps/unix/sysv/linux/arm/eabi/syscalls.list
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@ -0,0 +1,34 @@
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# File name Caller Syscall name # args Strong name Weak names
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# semaphore and shm system calls
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msgctl - msgctl i:iip __msgctl msgctl
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msgget - msgget i:ii __msgget msgget
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msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv
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msgsnd - msgsnd Ci:ibni __msgsnd msgsnd
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shmat - shmat i:ipi __shmat shmat
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shmctl - shmctl i:iip __shmctl shmctl
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shmdt - shmdt i:s __shmdt shmdt
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shmget - shmget i:iii __shmget shmget
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semop - semop i:ipi __semop semop
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semtimedop - semtimedop i:ipip semtimedop
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semget - semget i:iii __semget semget
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semctl - semctl i:iiii __semctl semctl
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# proper socket implementations:
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accept - accept Ci:iBN __libc_accept __accept accept
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bind - bind i:ipi __bind bind
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connect - connect Ci:ipi __libc_connect __connect_internal __connect connect
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getpeername - getpeername i:ipp __getpeername getpeername
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getsockname - getsockname i:ipp __getsockname getsockname
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getsockopt - getsockopt i:iiiBN __getsockopt getsockopt
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listen - listen i:ii __listen listen
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recv - recv Ci:ibni __libc_recv __recv recv
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recvfrom - recvfrom Ci:ibniBN __libc_recvfrom __recvfrom recvfrom
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recvmsg - recvmsg Ci:ipi __libc_recvmsg __recvmsg recvmsg
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send - send Ci:ibni __libc_send __send send
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sendmsg - sendmsg Ci:ipi __libc_sendmsg __sendmsg sendmsg
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sendto - sendto Ci:ibnibn __libc_sendto __sendto sendto
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setsockopt - setsockopt i:iiibn __setsockopt setsockopt
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shutdown - shutdown i:ii __shutdown shutdown
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socket - socket i:iii __socket socket
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socketpair - socketpair i:iiif __socketpair socketpair
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@ -1,4 +1,4 @@
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/* Copyright (C) 2005
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/* Copyright (C) 2005, 2006
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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@ -29,6 +29,12 @@
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# error Kernel headers are too old
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#endif
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/* Don't use stime, even if the kernel headers define it. We have
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settimeofday, and some EABI kernels have removed stime. Similarly
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use setitimer to implement alarm. */
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#undef __NR_stime
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#undef __NR_alarm
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/* The ARM EABI user interface passes the syscall number in r7, instead
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of in the swi. This is more efficient, because the kernel does not need
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to fetch the swi from memory to find out the number; which can be painful
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31
sysdeps/unix/sysv/linux/arm/eabi/umount.c
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31
sysdeps/unix/sysv/linux/arm/eabi/umount.c
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@ -0,0 +1,31 @@
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/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David Huggins-Daines <dhd@debian.org>, 2000.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/* Since we don't have an oldumount system call, do what the kernel
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does down here. */
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extern long int __umount2 (const char *name, int flags);
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long int
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__umount (const char *name)
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{
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return __umount2 (name, 0);
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}
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weak_alias (__umount, umount);
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