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e62165c8b0
used LIBTHREAD_1_0 as its version definition, but now needs to define its symbols in the same namespace used by libc. The compatibility hooks allows you to use libraries and binaries built and linked to libpthread before libc was built with symbol versioning. The shims can be removed if libpthread is given a version bump. Reviewed by: davidxu
80 lines
3.5 KiB
C
80 lines
3.5 KiB
C
/*
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* Copyright (c) 2004 David Xu <davidxu@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by John Birrell.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <stddef.h>
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#include <pthread.h>
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#include <rtld.h>
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#include "thr_private.h"
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LT10_COMPAT_PRIVATE(_thread_off_tcb);
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LT10_COMPAT_PRIVATE(_thread_off_tmbx);
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LT10_COMPAT_PRIVATE(_thread_off_next);
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LT10_COMPAT_PRIVATE(_thread_off_attr_flags);
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LT10_COMPAT_PRIVATE(_thread_off_kse);
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LT10_COMPAT_PRIVATE(_thread_off_kse_locklevel);
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LT10_COMPAT_PRIVATE(_thread_off_thr_locklevel);
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LT10_COMPAT_PRIVATE(_thread_off_linkmap);
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LT10_COMPAT_PRIVATE(_thread_off_tlsindex);
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LT10_COMPAT_PRIVATE(_thread_size_key);
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LT10_COMPAT_PRIVATE(_thread_off_key_allocated);
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LT10_COMPAT_PRIVATE(_thread_off_key_destructor);
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LT10_COMPAT_PRIVATE(_thread_max_keys);
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LT10_COMPAT_PRIVATE(_thread_off_dtv);
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LT10_COMPAT_PRIVATE(_thread_off_state);
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LT10_COMPAT_PRIVATE(_thread_state_running);
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LT10_COMPAT_PRIVATE(_thread_state_zoombie);
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/* A collection of symbols needed by debugger */
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/* int _libkse_debug */
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int _thread_off_tcb = offsetof(struct pthread, tcb);
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int _thread_off_tmbx = offsetof(struct tcb, tcb_tmbx);
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int _thread_off_next = offsetof(struct pthread, tle.tqe_next);
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int _thread_off_attr_flags = offsetof(struct pthread, attr.flags);
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int _thread_off_kse = offsetof(struct pthread, kse);
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int _thread_off_kse_locklevel = offsetof(struct kse, k_locklevel);
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int _thread_off_thr_locklevel = offsetof(struct pthread, locklevel);
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int _thread_off_linkmap = offsetof(Obj_Entry, linkmap);
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int _thread_off_tlsindex = offsetof(Obj_Entry, tlsindex);
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int _thread_size_key = sizeof(struct pthread_key);
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int _thread_off_key_allocated = offsetof(struct pthread_key, allocated);
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int _thread_off_key_destructor = offsetof(struct pthread_key, destructor);
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int _thread_max_keys = PTHREAD_KEYS_MAX;
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int _thread_off_dtv = DTV_OFFSET;
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int _thread_off_state = offsetof(struct pthread, state);
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int _thread_state_running = PS_RUNNING;
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int _thread_state_zoombie = PS_DEAD;
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