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2004-03-10 Jakub Jelinek <jakub@redhat.com> * include/libc-symbols.h [__ASSEMBLY__] (compat_text_section, compat_data_section): Define. * sysdeps/unix/sysv/linux/alpha/adjtime.c (ADJTIME): Add attribute_compat_text_section. * sysdeps/unix/sysv/linux/alpha/wordexp.c (__old_wordexp): Likewise. * sysdeps/unix/sysv/linux/alpha/oldglob.c (__old_glob, __old_globfree): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/chown.c (__chown_is_lchown): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c (__posix_fadvise64_l32): Likewise. * sysdeps/unix/sysv/linux/msgctl.c (__old_msgctl): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c (__posix_fadvise64_l32): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c (__old_semctl): Likewise. * sysdeps/unix/sysv/linux/semctl.c (__old_semctl): Likewise. * sysdeps/unix/sysv/linux/posix_fadvise64.c (__posix_fadvise64_l32): Likewise. * sysdeps/unix/sysv/linux/shmctl.c (__old_shmctl): Likewise. * hurd/compat-20.c (_hurd_proc_init_compat_20): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S (__swapcontext, __novec_swapcontext): Use END instead of PSEUDO_END. (__novec_swapcontext, __swapcontext_stub): Add compat_text_section. * sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S (__makecontext_stub): Likewise. (__novec_makecontext): Likewise. Fix name in END () to match function name. * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S (__setcontext): Use END instead of PSEUDO_END. (__novec_setcontext): Add compat_text_section. Use END instead of PSEUDO_END, fix the name in END () to match function name. * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S (__getcontext, __novec_getcontext): Use END instead of PSEUDO_END. (__novec_getcontext, __getcontext_stub): Add compat_text_section. 2004-03-10 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/sh/dl-machine.h: Don't use GL macro if not appropriate. (COPY_UNALIGNED_WORD): Remove cast used as lvalue. 2004-03-10 Ulrich Drepper <drepper@redhat.com> * sysdeps/i386/dl-procinfo.h (HWCAP_IMPORTANT): Remove mmx, add sse2.
69 lines
1.9 KiB
ArmAsm
69 lines
1.9 KiB
ArmAsm
/* Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#define _SIGNAL_H
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#include <bits/signum.h>
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#include <tcb-offsets.h>
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/* The following are defined in linux/sched.h, which unfortunately */
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/* is not safe for inclusion in an assembly file. */
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#define CLONE_VM 0x00000100 /* set if VM shared between processes */
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#define CLONE_VFORK 0x00004000 /* set if the parent wants the child to wake it up on mm_release */
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/* pid_t vfork(void); */
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/* Implemented as __clone_syscall(CLONE_VFORK | CLONE_VM | SIGCHLD, 0) */
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ENTRY(__vfork)
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alloc r2=ar.pfs,0,0,2,0
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adds r14=PID,r13
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;;
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ld4 r16=[r14]
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;;
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sub r15=0,r16
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cmp.eq p6,p0=0,r16
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;;
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(p6) movl r15=0x80000000
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mov out0=CLONE_VM+CLONE_VFORK+SIGCHLD
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mov out1=0 /* Standard sp value. */
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;;
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st4 [r14]=r15
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DO_CALL_VIA_BREAK (SYS_ify (clone))
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cmp.eq p6,p0=0,r8
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adds r14=PID,r13
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(p6) br.cond.dptk 1f
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;;
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ld4 r15=[r14]
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;;
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extr.u r16=r15,0,31
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;;
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cmp.eq p0,p6=0,r16
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;;
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(p6) sub r16=0,r15
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;;
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st4 [r14]=r16
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1:
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cmp.eq p6,p0=-1,r10
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(p6) br.cond.spnt.few __syscall_error
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ret
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PSEUDO_END(__vfork)
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libc_hidden_def (__vfork)
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weak_alias (__vfork, vfork)
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