mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-22 10:50:07 +00:00
bf47fa2344
1998-06-16 David S. Miller <davem@dm.cobaltmicro.com> * sysdeps/sparc/sparc32/dl-machine.h (elf_machine_fixup_plt): During rtld bootstrap, always perform flushes as the kernel will emulate it when the underlying cpu does not implement flush. * sysdeps/unix/sysv/linux/sparc/sys/kernel_termios.h: Move... * sysdeps/unix/sysv/linux/sparc/kernel_termios.h: ...to here. * sysdeps/unix/sysv/linux/sparc/sparc32/__sigtrampoline.S: Remove. * sysdeps/unix/sysv/linux/sparc/sparc32/Makefile: No longer build trampoline code. * sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__clone): Branch to label .Lerror not __clone_syscall_error. (.Lerror): Fixup EINVAL setting. * sysdeps/unix/sysv/linux/sparc/sparc32/getgroups.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/setgroups.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list (__syscall_getgroups, __syscall_setgroups): Add. * sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c (__sigaction): Member name is k_sa_handler. Use memcpy to copy around sa_mask data. * math/math.h: Include bits/nan.h when compiling for ISO C 9x.
76 lines
1.7 KiB
ArmAsm
76 lines
1.7 KiB
ArmAsm
/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
|
|
Contributed by Richard Henderson (rth@tamu.edu).
|
|
|
|
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 <asm/errno.h>
|
|
#include <asm/unistd.h>
|
|
|
|
/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
|
|
|
|
.text
|
|
.align 4
|
|
.globl __clone
|
|
.type __clone,@function
|
|
|
|
__clone:
|
|
save %sp,-96,%sp
|
|
|
|
/* sanity check arguments */
|
|
tst %i0
|
|
be .Lerror
|
|
tst %i1
|
|
be .Lerror
|
|
nop
|
|
|
|
/* Do the system call */
|
|
mov %i1,%o1
|
|
mov %i2,%o0
|
|
set __NR_clone,%g1
|
|
ta 0x10
|
|
bcs .Lerror
|
|
tst %o1
|
|
bne __thread_start
|
|
nop
|
|
mov %o0,%i0
|
|
ret
|
|
restore
|
|
|
|
.Lerror:
|
|
call __errno_location
|
|
or %g0,EINVAL,%i0
|
|
st %i0,[%o0]
|
|
mov -1,%i0
|
|
ret
|
|
restore
|
|
|
|
.size __clone, .-__clone
|
|
|
|
.type __thread_start,@function
|
|
|
|
__thread_start:
|
|
call %i0
|
|
mov %i3,%o0
|
|
call _exit,0
|
|
nop
|
|
|
|
.size __thread_start, .-__thread_start
|
|
|
|
weak_alias(__clone, clone)
|