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Commit missing mips libthr support that I thought I'd committed earlier

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This commit is contained in:
Warner Losh 2008-05-11 05:54:52 +00:00
parent 6ac3ab7f98
commit 13d2e92b70
2 changed files with 141 additions and 0 deletions
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85
lib/libthr/arch/mips/include/pthread_md.h Normal file
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/*-
* Copyright (c) 2005 David Xu <davidxu@freebsd.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* from: src/lib/libthr/arch/arm/include/pthread_md.h,v 1.3 2005/10/29 13:40:31 davidxu
* $FreeBSD$
*/
/*
* Machine-dependent thread prototypes/definitions.
*/
#ifndef _PTHREAD_MD_H_
#define _PTHREAD_MD_H_
#include <sys/types.h>
#include <machine/sysarch.h>
#include <stddef.h>
#define CPU_SPINWAIT
#define DTV_OFFSET offsetof(struct tcb, tcb_dtv)
/*
* Variant II tcb, first two members are required by rtld.
*/
struct tcb {
struct tcb *tcb_self; /* required by rtld */
void *tcb_dtv; /* required by rtld */
struct pthread *tcb_thread; /* our hook */
void *tcb_spare[1];
};
/*
* The tcb constructors.
*/
struct tcb *_tcb_ctor(struct pthread *, int);
void _tcb_dtor(struct tcb *);
/* Called from the thread to set its private data. */
static __inline void
_tcb_set(struct tcb *tcb)
{
mips_tcb_set(tcb);
}
/*
* Get the current tcb.
*/
static __inline struct tcb *
_tcb_get(void)
{
return (mips_tcb_get());
}
extern struct pthread *_thr_initial;
static __inline struct pthread *
_get_curthread(void)
{
if (_thr_initial)
return (_tcb_get()->tcb_thread);
return (NULL);
}
#endif /* _PTHREAD_MD_H_ */

56
lib/libthr/arch/mips/mips/pthread_md.c Normal file
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/*-
* Copyright (C) 2005 David Xu <davidxu@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Neither the name of the author nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: src/lib/libthr/arch/arm/arm/pthread_md.c,v 1.2 2005/10/29 13:40:31 davidxu
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stdlib.h>
#include <sys/types.h>
#include <rtld_tls.h>
#include <strings.h>
#include "pthread_md.h"
struct tcb *
_tcb_ctor(struct pthread *thread, int initial)
{
struct tcb *tcb;
tcb = malloc(sizeof(struct tcb));
if (tcb) {
bzero(tcb, sizeof(struct tcb));
tcb->tcb_thread = thread;
}
return (tcb);
}
void
_tcb_dtor(struct tcb *tcb)
{
free(tcb);
}