Powerpc64 thread libraries support.
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840b91cc52
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65801ce52d
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=209880
5
lib/libthr/arch/powerpc64/Makefile.inc
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lib/libthr/arch/powerpc64/Makefile.inc
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# $FreeBSD$
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.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH}
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SRCS+= pthread_md.c
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84
lib/libthr/arch/powerpc64/include/pthread_md.h
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lib/libthr/arch/powerpc64/include/pthread_md.h
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/*
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* Copyright 2004 by Peter Grehan. 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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* 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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/*
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* Machine-dependent thread prototypes/definitions.
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*/
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#ifndef _PTHREAD_MD_H_
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#define _PTHREAD_MD_H_
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#include <stddef.h>
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#include <sys/types.h>
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#define CPU_SPINWAIT
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#define DTV_OFFSET offsetof(struct tcb, tcb_dtv)
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#define TP_OFFSET 0x7008
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/*
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* Variant I tcb. The structure layout is fixed, don't blindly
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* change it.
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* %r2 points to end of the structure.
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*/
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struct tcb {
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void *tcb_dtv;
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struct pthread *tcb_thread;
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};
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struct tcb *_tcb_ctor(struct pthread *, int);
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void _tcb_dtor(struct tcb *);
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static __inline void
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_tcb_set(struct tcb *tcb)
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{
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register uint8_t *_tp __asm__("%r2");
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__asm __volatile("mr %0,%1" : "=r"(_tp) :
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"r"((uint8_t *)tcb + TP_OFFSET));
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}
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static __inline struct tcb *
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_tcb_get(void)
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{
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register uint8_t *_tp __asm__("%r2");
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return ((struct tcb *)(_tp - TP_OFFSET));
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}
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extern struct pthread *_thr_initial;
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static __inline struct pthread *
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_get_curthread(void)
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{
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if (_thr_initial)
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return (_tcb_get()->tcb_thread);
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return (NULL);
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}
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#endif /* _PTHREAD_MD_H_ */
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54
lib/libthr/arch/powerpc64/powerpc/pthread_md.c
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lib/libthr/arch/powerpc64/powerpc/pthread_md.c
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/*
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* Copyright (c) 2003 Daniel Eischen <deischen@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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*
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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. Neither the name of the author nor the names of its 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 THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 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 <rtld_tls.h>
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#include "pthread_md.h"
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/*
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* The constructors.
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*/
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struct tcb *
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_tcb_ctor(struct pthread *thread, int initial)
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{
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struct tcb *tcb;
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tcb = _rtld_allocate_tls((initial) ? _tcb_get() : NULL,
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sizeof(struct tcb), 1);
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if (tcb)
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tcb->tcb_thread = thread;
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return (tcb);
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}
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void
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_tcb_dtor(struct tcb *tcb)
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{
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_rtld_free_tls(tcb, sizeof(struct tcb), 1);
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}
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83
lib/libthread_db/arch/powerpc64/libpthread_md.c
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lib/libthread_db/arch/powerpc64/libpthread_md.c
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/*
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* Copyright (c) 2006 Marcel Moolenaar
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <string.h>
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#include <thread_db.h>
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#include "libpthread_db.h"
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void
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pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
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{
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mcontext_t *mc = &uc->uc_mcontext;
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memcpy(mc->mc_frame, r, MIN(sizeof(mc->mc_frame), sizeof(*r)));
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}
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void
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pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
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{
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const mcontext_t *mc = &uc->uc_mcontext;
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memcpy(r, mc->mc_frame, MIN(sizeof(mc->mc_frame), sizeof(*r)));
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}
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void
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pt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc)
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{
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mcontext_t *mc = &uc->uc_mcontext;
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memcpy(mc->mc_fpreg, r, MIN(sizeof(mc->mc_fpreg), sizeof(*r)));
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mc->mc_flags |= _MC_FP_VALID;
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}
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void
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pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
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{
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const mcontext_t *mc = &uc->uc_mcontext;
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if (mc->mc_flags & _MC_FP_VALID)
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memcpy(r, mc->mc_fpreg, MIN(sizeof(mc->mc_fpreg), sizeof(*r)));
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else
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memset(r, 0, sizeof(*r));
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}
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void
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pt_md_init(void)
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{
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}
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int
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pt_reg_sstep(struct reg *reg __unused, int step __unused)
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{
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/* XXX */
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return (0);
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}
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