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0f0b799489
2003-01-17 Richard Henderson <rth@redhat.com> * sysdeps/alpha/dl-machine.h (elf_machine_type_class): Add TLS relocs for class PLT. * sysdeps/alpha/libc-tls.c: New file. * sysdeps/unix/alpha/sysdep.S (EPILOGUE, GPSAVEREG): New. (LOADGP) [!PIC]: Rewrite to preserve caller's gp. 2003-01-17 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/ia64/dl-static.c (_dl_static_init): Use __libc_lock_{,un}lock_recursive instead of __libc_lock_{,un}lock on _dl_static_lock.
62 lines
1.5 KiB
ArmAsm
62 lines
1.5 KiB
ArmAsm
/* Copyright (C) 2003 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-cancel.h>
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.globl __vfork
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.align 4
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.ent __vfork,0
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__LABEL(__vfork)
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ldgp gp, 0(pv)
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.prologue 1
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PSEUDO_PROF
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SINGLE_THREAD_P(t0)
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#ifdef SHARED
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bne t0, HIDDEN_JUMPTARGET (__fork) !samegp
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#else
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bne t0, $do_fork
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#endif
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lda v0, SYS_ify(vfork)
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call_pal PAL_callsys
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bne a3, SYSCALL_ERROR_LABEL
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ret
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#ifndef SHARED
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/* Can't tail-call due to possible mismatch between GP in
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fork and vfork object files. */
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$do_fork:
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subq sp, 16, sp
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stq ra, 0(sp)
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jsr ra, HIDDEN_JUMPTARGET (__fork)
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ldgp gp, 0(ra)
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ldq ra, 0(sp)
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addq sp, 16, sp
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ret
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$syscall_error:
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SYSCALL_ERROR_HANDLER
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#endif
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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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