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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.
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Contributed by Richard Henderson (rth@tamu.edu).
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* clone() is even more special than fork() as it mucks with stacks
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and invokes a function in the right context after its all over. */
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#include <asm/errno.h>
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#include <asm/unistd.h>
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/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
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.text
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.align 4
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.globl __clone
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.type __clone,@function
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__clone:
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save %sp,-96,%sp
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/* sanity check arguments */
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tst %i0
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be .Lerror
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tst %i1
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be .Lerror
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nop
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/* Do the system call */
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mov %i1,%o1
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mov %i2,%o0
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set __NR_clone,%g1
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ta 0x10
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bcs .Lerror
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tst %o1
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bne __thread_start
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nop
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mov %o0,%i0
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ret
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restore
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.Lerror:
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call __errno_location
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or %g0,EINVAL,%i0
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st %i0,[%o0]
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mov -1,%i0
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ret
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restore
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.size __clone, .-__clone
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.type __thread_start,@function
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__thread_start:
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call %i0
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mov %i3,%o0
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call _exit,0
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nop
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.size __thread_start, .-__thread_start
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weak_alias(__clone, clone)
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