glibc/sysdeps/unix/bsd/hp/m68k/vfork.S
Ulrich Drepper ae1025be40 Updated.
1997-06-26 21:50  Ulrich Drepper  <drepper@cygnus.com>

	* math/math.h: Move definition of macros for unordered comparison
	after inclusion of <bits/mathinline.h>.
	* sysdeps/i386/fpu/bits/mathinline.h: Don't undef macros for
	unordered comparison before definition.
	* sysdeps/m68k/fpu/bits/mathinline.h: Likewise.

	* Makerules: Move definition of load-map-file before use.
	(lib%.so): Depend on load-map-file, not lib%-map.

	* manual/lgpl.texinfo: Likewise.

1997-06-24 09:40  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/bits/mathinline.h: Don't define __ilogb.
	* sysdeps/m68k/fpu/s_ilogb.c: Define it here.  Handle zero, NaN
	and infinity specially.
	* sysdeps/m68k/fpu/s_ilogbf.c, sysdeps/m68k/fpu/s_ilogbl.c:
	Adapted.

	* sysdeps/m68k/fpu/bits/mathdef.h (FP_ILOGB0): Correct value.

1997-06-26 17:06  Ulrich Drepper  <drepper@cygnus.com>

	* configure.in: Don't use .long in tests since some strange
	platforms without binutils don't know this.
	Redirect output of test commands correctly.
	Patch by Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de>.

	* hurd/hurdsig.c (_hurdsig_init): Call _hurd_self_sigstate.
	Patch by Kazumoto Kojima <kkojima@kk.info.kanagawa-u.ac.jp>.

1997-06-26 09:02  Fila Kolodny  <fila@ibi.com>

	* sysdeps/mach/hurd/abi-tag.h: New file.

	* sysdeps/mach/bits/libc-lock.h: Add typedef for __libc_key_t.
	* sysdeps/stub/bits/libc-lock.h: Likewise.

	* sysdeps/mach/hurd/accept.c (accept): Fix type of parameter addrarg.
	Add variable addr containing the desired part of the union.
	* sysdeps/mach/hurd/recvfrom.c (recvfrom): Likewise.
	* sysdeps/mach/hurd/getsockname.c (getsockname): Likewise.
	* sysdeps/mach/hurd/getpeername.c (getpeername): Likewise.
	* sysdeps/mach/hurd/connect.c (__connect): Likewise.
	* sysdeps/mach/hurd/bind.c (bind): Likewise.

	* sysdeps/mach/hurd/select.c (__select): Change MACH_MSG_SIZE_INTEGER_T
	to sizeof(MACH_MSG_TYPE_INTEGER_T).

	* io/ftw.c (ftw_startup): Use PATH_MAX only if defined.

	* sysdeps/mach/hurd/open.c (__open): Fix type of parameter file.

	* sysdeps/mach/hurd/sysd-stdio.c (__stdio_reopen): Add closefn to
	paramater list since it is used.

	* sysdeps/mach/hurd/rename.c (rename): Fix type of paramater new.

	* sysdeps/mach/hurd/sigaltstack.c (sigaltstack): Change parameter from
	ss to argss.

1997-06-24 14:02  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* Rules: Update copyright.
	* mach/Machrules: Likewise.

1997-06-26 14:28  Ulrich Drepper  <drepper@cygnus.com>

	* configure.in: Fix accidently removed AC_OUTPUT line.
	Reported by Andreas Jaeger.

	* time/strftime.c: Don't define `memcpy' macro if HAVE_MEMCPY is
	defined.  Reported by Akim Demaille <demaille@inf.enst.fr>.

	* sysdeps/generic/getdomain.c: Include handling for stub case.
	This eliminated the only case of a function in generic and stub.
	* sysdeps/stub/getdomain.c: Removed.
	Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>.

1997-06-23 22:20  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/alpha/_mcount.S: Update and reformat copyright,
	remove trailing white spaces and send through unexpand.
	* sysdeps/alpha/bb_init_func.S: Likewise.
	* sysdeps/alpha/bzero.S: Likewise.
	* sysdeps/alpha/ffs.S: Likewise.
	* sysdeps/alpha/memset.S: Likewise.
	* sysdeps/alpha/s_fabs.S: Likewise.
	* sysdeps/alpha/strcmp.S: Likewise.
	* sysdeps/alpha/strlen.S: Likewise.
	* sysdeps/alpha/strncmp.S: Likewise.
	* sysdeps/alpha/strncpy.S: Likewise.
	* sysdeps/alpha/strrchr.S: Likewise.
	* sysdeps/alpha/stxcpy.S: Likewise.
	* sysdeps/alpha/stxncpy.S: Likewise.
	* sysdeps/alpha/elf/start.S: Likewise.
	* sysdeps/i386/strchr.S: Likewise.
	* sysdeps/m68k/bsd-_setjmp.S: Likewise.
	* sysdeps/m68k/bsd-setjmp.S: Likewise.
	* sysdeps/m68k/elf/start.S: Likewise.
	* sysdeps/mach/alpha/syscall.S: Likewise.
	* sysdeps/mach/i386/syscall.S: Likewise.
	* sysdeps/mips/elf/start.S: Likewise.
	* sysdeps/sparc/alloca.S: Likewise.
	* sysdeps/standalone/i386/start.S: Likewise.
	* sysdeps/standalone/i386/force_cpu386/strtsupp.S: Likewise.
	* sysdeps/standalone/i960/start.S: Likewise.
	* sysdeps/standalone/m68k/m68020/start.S: Likewise.
	* sysdeps/unix/_exit.S: Likewise.
	* sysdeps/unix/fork.S: Likewise.
	* sysdeps/unix/getegid.S: Likewise.
	* sysdeps/unix/geteuid.S: Likewise.
	* sysdeps/unix/getppid.S: Likewise.
	* sysdeps/unix/syscall.S: Likewise.
	* sysdeps/unix/arm/brk.S: Likewise.
	* sysdeps/unix/arm/fork.S: Likewise.
	* sysdeps/unix/bsd/hp/m68k/brk.S: Likewise.
	* sysdeps/unix/bsd/hp/m68k/vfork.S: Likewise.
	* sysdeps/unix/bsd/hp/m68k/wait3.S: Likewise.
	* sysdeps/unix/bsd/i386/vfork.S: Likewise.
	* sysdeps/unix/bsd/i386/wait3.S: Likewise.
	* sysdeps/unix/bsd/m68k/pipe.S: Likewise.
	* sysdeps/unix/bsd/m68k/syscall.S: Likewise.
	* sysdeps/unix/bsd/m68k/sysdep.S: Likewise.
	* sysdeps/unix/bsd/m68k/wait.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/brk.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/fork.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/killpg.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/pipe.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/recv.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/send.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/sigblock.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/sigpause.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/sigsetmask.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/sigvec.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/start.S: Likewise.
	* sysdeps/unix/bsd/osf/alpha/vhangup.S: Likewise.
	* sysdeps/unix/bsd/sequent/i386/getgroups.S: Likewise.
	* sysdeps/unix/bsd/sequent/i386/sigvec.S: Likewise.
	* sysdeps/unix/bsd/sequent/i386/syscall.S: Likewise.
	* sysdeps/unix/bsd/sun/sigreturn.S: Likewise.
	* sysdeps/unix/bsd/sun/m68k/brk.S: Likewise.
	* sysdeps/unix/bsd/sun/m68k/sethostid.S: Likewise.
	* sysdeps/unix/bsd/sun/m68k/syscall.S: Likewise.
	* sysdeps/unix/bsd/sun/m68k/vfork.S: Likewise.
	* sysdeps/unix/bsd/sun/sparc/sethostid.S: Likewise.
	* sysdeps/unix/bsd/ultrix4/wait3.S: Likewise.
	* sysdeps/unix/bsd/ultrix4/mips/__handler.S: Likewise.
	* sysdeps/unix/bsd/ultrix4/mips/start.S: Likewise.
	* sysdeps/unix/bsd/ultrix4/mips/vfork.S: Likewise.
	* sysdeps/unix/bsd/vax/brk.S: Likewise.
	* sysdeps/unix/bsd/vax/pipe.S: Likewise.
	* sysdeps/unix/bsd/vax/sysdep.S: Likewise.
	* sysdeps/unix/bsd/vax/vfork.S: Likewise.
	* sysdeps/unix/bsd/vax/wait.S: Likewise.
	* sysdeps/unix/bsd/vax/wait3.S: Likewise.
	* sysdeps/unix/i386/brk.S: Likewise.
	* sysdeps/unix/i386/fork.S: Likewise.
	* sysdeps/unix/i386/pipe.S: Likewise.
	* sysdeps/unix/i386/sigreturn.S: Likewise.
	* sysdeps/unix/i386/syscall.S: Likewise.
	* sysdeps/unix/i386/vfork.S: Likewise.
	* sysdeps/unix/i386/wait.S: Likewise.
	* sysdeps/unix/mips/brk.S: Likewise.
	* sysdeps/unix/mips/fork.S: Likewise.
	* sysdeps/unix/mips/pipe.S: Likewise.
	* sysdeps/unix/mips/sigreturn.S: Likewise.
	* sysdeps/unix/mips/sysdep.S: Likewise.
	* sysdeps/unix/mips/wait.S: Likewise.
	* sysdeps/unix/sparc/brk.S: Likewise.
	* sysdeps/unix/sparc/fork.S: Likewise.
	* sysdeps/unix/sparc/pipe.S: Likewise.
	* sysdeps/unix/sparc/sysdep.S: Likewise.
	* sysdeps/unix/sparc/vfork.S: Likewise.
	* sysdeps/unix/sysv/i386/signal.S: Likewise.
	* sysdeps/unix/sysv/i386/time.S: Likewise.
	* sysdeps/unix/sysv/irix4/__handler.S: Likewise.
	* sysdeps/unix/sysv/irix4/sigreturn.S: Likewise.
	* sysdeps/unix/sysv/irix4/uname.S: Likewise.
	* sysdeps/unix/sysv/irix4/wait.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/pipe.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/mmap.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/mmap.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sigreturn.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/fork.S: Likewise.
	* sysdeps/unix/sysv/sco3.2.4/sigaction.S: Likewise.
	* sysdeps/unix/sysv/sco3.2.4/sysconf.S: Likewise.
	* sysdeps/unix/sysv/sco3.2.4/uname.S: Likewise.
	* sysdeps/unix/sysv/sco3.2.4/waitpid.S: Likewise.
	* sysdeps/unix/sysv/sysv4/i386/sys-sig.S: Likewise.
	* sysdeps/unix/sysv/sysv4/solaris2/fsync.S: Likewise.
	* sysdeps/unix/sysv/sysv4/solaris2/sparc/sysdep.S: Likewise.
	* sysdeps/vax/bsd-_setjmp.S: Likewise.
	* sysdeps/vax/bsd-setjmp.S: Likewise.
1997-06-26 22:23:01 +00:00

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1.9 KiB
ArmAsm

/* Copyright (C) 1991, 1994, 1995, 1997 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 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
#ifndef SYS_vfork
#define SYS_vfork 66
#endif
/* Clone the calling process, but without copying the whole address space.
The the calling process is suspended until the the new process exits or is
replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
and the process ID of the new process to the old process. */
.globl ___vfork
___vfork:
/* Pop the return PC value into A0. */
moveal sp@+, a0
/* Stuff the syscall number in D0 and trap into the kernel. */
movel #SYS_vfork, d0
trap #0
bcs error /* Branch forward if it failed. */
/* It succeeded. See which fork we're in. D1 is now 0 for the
parent and 1 for the child. Decrement it to make it -1 (all
bits set) for the parent, and 0 (no bits set) for the child.
Then AND it with D0, so the parent gets D0&-1==R0, and the child
gets D0&0==0. */
subl #1, d1
andl d1, d0
/* Jump to the return PC. */
jmp a0@
error:
movel d0, _errno
moveq #-1, d0
jmp a0@
weak_alias (__vfork, vfork)