glibc/sysdeps/unix/sysv/linux/m68k/clone.S
Ulrich Drepper 6ed0492f8e update from main archvie 961022
Tue Oct 22 21:38:21 1996  Ulrich Drepper  <drepper@cygnus.com>

	* version.h: Bump version number to 1.97.

	* features.h: Undo change of Sun Oct 20 22:19:58 1996.
	Include libc-version.h.
	* features.h.in: Removed.
	* Makefile: Change rules to generate libc-version.h instead of
	features.h.

	* malloc/free.c: Add cast to prevent warning.
	* malloc/malloc-walk.c: Likewise.
	* malloc/ralloc.c: Likewise.
	* malloc/realloc.c: Likewise.

	* grp/fgetgrent_r.c: Accept empty numeric field if name start with +
	or -.
	* pwd/fgetpwent_r.c: Likewise.
	* nss/nss_files/files-grp.c: Don't accept entries with names starting
	with + or - in lookup functions.
	* nss/nss_files/files-pwd.c: Likewise.

	* Makerules: Call autolock.sh using $(SHELL).

Mon Oct 21 22:52:16 1996  NIIBE Yutaka  <gniibe@mri.co.jp>

	* elf/dl-minimal.c: Don't define `dgettext' replacement but
	`dcgettext'.  When optimizing the macros in <libintl.h> define
	`dgettext' as a macro and so this function will never be called.

Mon Oct 21 15:41:59 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/sysdep.h: Define END to use .size when available.
	(PSEUDO_END): Use END.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Define PSEUDO_END to
	define SYSCALL_ERROR_HANDLER before using END.
	(SYSCALL_ERROR_HANDLER): Don't use .size directive.
	* sysdeps/unix/sysv/linux/clone.S: Don't use SYSCALL_ERROR_HANDLER
	and .size directive but PSEUDO_END.
	* sysdeps/unix/sysv/linux/mmap.S: Likewise.
	* sysdeps/unix/sysv/linux/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/sysdep.S (__errno_location): Use END.
	* sysdeps/unix/i386/sysdep.S (__syscall_error): Likewise.
	* sysdeps/i386/__longjmp.S: Use END instead of PSEUDO_END.
	* sysdeps/i386/bsd-_setjmp.S: Likewise.
	* sysdeps/i386/bsd-setjmp.S: Likewise.
	* sysdeps/i386/memchr.S: Likewise.
	* sysdeps/i386/memcmp.S: Likewise.
	* sysdeps/i386/setjmp.S: Likewise.
	* sysdeps/i386/stpcpy.S: Likewise.
	* sysdeps/i386/stpncpy.S: Likewise.
	* sysdeps/i386/strchr.S: Likewise.
	* sysdeps/i386/strcspn.S: Likewise.
	* sysdeps/i386/strpbrk.S: Likewise.
	* sysdeps/i386/strrchr.S: Likewise.
	* sysdeps/i386/strspn.S: Likewise.
	* sysdeps/i386/strtok.S: Likewise.
	* sysdeps/i386/i486/strcat.S: Likewise.
	* sysdeps/i386/i486/strlen.S: Likewise.
	* sysdeps/i386/i586/memset.S: Likewise.
	* sysdeps/i386/i586/strchr.S: Likewise.
	* sysdeps/i386/i586/strlen.S: Likewise.

	* sysdeps/i386/strlen.c: De-ANSI-fy.

	* sysdeps/generic/_strerror.c: Undo change of Mon Oct 21 01:32:36 1996.
	Define dgettext if not defined to use dcgettext.
	* sysdeps/mach/_strerror.c: Likewise.

	* sysdeps/unix/sysv/i386/time.S: Add PSEUDO_END to get
 	__syscall_error defined..

Sat Oct 19 12:27:50 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/m68k/mmap.S: Fix braino: CALL_MCOUNT is
	already included in the ENTRY macro.  Remove SYSCALL_ERROR_HANDLER
	now provided by PSEUDO_END.
	* sysdeps/unix/sysv/linux/m68k/sigreturn.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/clone.S: Likewise.  Use JUMPTARGET.

	* sysdeps/generic/sysdep.h (END): Provide default empty
	definition.
	* sysdeps/unix/sysv/linux/m68k/sysdep.h (END): Redefine to use
	size directive.
	(PSEUDO): Don't include SYSCALL_ERROR_HANDLER.
	(PSEUDO_END): Include it here instead.
	(SYSCALL_ERROR_HANDLER): Remove type directive.
	* sysdeps/m68k/bsd-_setjmp.S: Use END, not PSEUDO_END.
	* sysdeps/m68k/bsd-setjmp.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sigreturn.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.S: Likewise.
	(__syscall_error): Can't use ENTRY macro.

Sat Oct 19 12:13:24 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/syscalls.list (getresuid, setresuid):
	Set caller to EXTRA.

	O_SHLOCK.

Tue Oct 15 14:37:40 1996  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>

	* sysdeps/mach/hurd/fcntlbits.h (O_HURD): Add O_EXLOCK and
1996-10-22 23:29:26 +00:00

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ArmAsm

/* Copyright (C) 1996 Free Software Foundation, Inc.
Contributed by Andreas Schwab (schwab@issan.informatik.uni-dortmund.de)
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; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/* clone is even more special than fork as it mucks with stacks
and invokes a function in the right context after its all over. */
#include <sysdep.h>
#define _ERRNO_H 1
#include <errnos.h>
/* int clone (int (*fn) (), void *child_stack, int flags, int nargs, ...) */
.text
ENTRY (__clone)
/* Sanity check arguments. */
movel #-EINVAL, %d0
movel 4(%sp), %a0 /* no NULL function pointers */
tstl %a0
jeq syscall_error
movel 8(%sp), %a1 /* no NULL stack pointers */
tstl %a1
jeq syscall_error
movel 16(%sp), %d1 /* no negative argument counts */
jmi syscall_error
/* Allocate space on the new stack and copy args over */
movel %d1, %d0
negl %d0
lea (%a1,%d0.l*4), %a1
jeq 2f
1: movel 16(%sp,%d1.l*4), -4(%a1,%d1.l*4)
subql #1, %d1
jne 1b
2:
/* Do the system call */
exg %d2, %a1 /* save %d2 and get stack pointer */
movel 12(%sp), %d1 /* get flags */
movel #SYS_ify (clone), %d0
trap #0
exg %d2, %a1 /* restore %d2 */
tstl %d0
jmi syscall_error
jeq thread_start
rts
thread_start:
subl %fp, %fp /* terminate the stack frame */
jsr (%a0)
movel %d0, -(%sp)
jbsr JUMPTARGET (_exit)
PSEUDO_END (__clone)
weak_alias (__clone, clone)