glibc/sysdeps/unix/sysv/linux/alpha/clone.S
Ulrich Drepper 51702635af Update.
* locale/categories.def: Change type of _NL_CTYPE_CLASS_NAMES and
	_NL_CTYPE_MAP_NAMES field to stringlist.
	Change name of _NL_CTYPE_CODESET_NAME to "charmap".
	* locale/localeinfo.h (enum value_type): Add stringlist.
	* locale/programs/locale.c (show_info): Handle stringlist.

	* locale/programs/charmap.c (charmap_read): If charmap file is not
	using the given name try to find it by looking through all available
	charmap files and compare the code set name.
	* locale/programs/locale.c (write_charmaps): Also print names of
	charset in <code_set_name> fields in the files.

	* elf/ldd.bash.in: Correct translatable strings.

	* posix/TESTS: Add some more tests for character class matching.
	* posix/regex.c: Merge with GNU awk version.
	(regex_compile): Use ISO C/amend 1 functions for character class
	handling.
	* posix/regex.h: Merge with GNU awk version.

	* posix/getopt.c: Declare as master copies.
	* posix/getopt1.c: Likewise.
	* posix/getopt.h: Likewise.

	* sysdeps/unix/sysv/linux/sys/mount.h: Add definitions for option
	value to mount functions.
	Patch by a sun <asun@zoology.washington.edu>.

	* stdio-common/bug4.c (main): Use /tmp/bug4.test for concurrency
	with other tests.
	* sunrpc/svc_run.c (svc_exit): New, defined.
	(svc_run): Test for svc_stop variable.
	* sysdeps/m68k/s_cexp.c: Rewritten.
	* sysdeps/m68k/s_cexpf.c: Likewise.
	* sysdeps/m68k/s_cexpl.c: Likewise.
1997-05-07 15:31:21 +00:00

98 lines
2.4 KiB
ArmAsm

/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>, 1996.
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. */
/* 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 *arg), void *child_stack, int flags, void *arg) */
.text
ENTRY(__clone)
.frame sp,0,ra,0
#ifdef PROF
.set noat
lda AT, _mcount
jsr AT, (AT), _mcount
.set at
#endif
.prologue 1
/* Sanity check arguments. */
ldiq v0,EINVAL
beq a0,$error /* no NULL function pointers */
beq a1,$error /* no NULL stack pointers */
/* Save the fn ptr and arg on the new stack. */
subq a1,16,a1
stq a0,0(a1)
stq a3,8(a1)
/* Do the system call */
mov a2,a0
ldiq v0,__NR_clone
call_pal PAL_callsys
bne a3,$error
beq v0,thread_start
/* Successful return from the parent */
ret
/* Something bad happened -- no child created */
$error:
br gp,1f
1: ldgp gp,0(gp)
jmp zero,__syscall_error
END(__clone)
/* Load up the arguments to the function. Put this block of code in
its own function so that we can terminate the stack trace with our
debug info. */
.ent thread_start
thread_start:
.frame fp,0,zero,0
mov zero,fp
.prologue 0
/* Load up the arguments. */
ldq pv,0(sp)
ldq a0,8(sp)
addq sp,16,sp
/* Call the user's function */
jsr ra,(pv)
ldgp gp,0(ra)
/* Call _exit rather than doing it inline for breakpoint purposes */
mov v0,a0
jsr ra,_exit
/* Die horribly. */
halt
.end thread_start
weak_alias(__clone, clone)