diff --git a/lib/libthr/arch/powerpc64/Makefile.inc b/lib/libthr/arch/powerpc64/Makefile.inc new file mode 100644 index 000000000000..b6a4acd6f60c --- /dev/null +++ b/lib/libthr/arch/powerpc64/Makefile.inc @@ -0,0 +1,5 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} + +SRCS+= pthread_md.c diff --git a/lib/libthr/arch/powerpc64/include/pthread_md.h b/lib/libthr/arch/powerpc64/include/pthread_md.h new file mode 100644 index 000000000000..2abbbdc1fce6 --- /dev/null +++ b/lib/libthr/arch/powerpc64/include/pthread_md.h @@ -0,0 +1,84 @@ +/* + * Copyright 2004 by Peter Grehan. 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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. + * + * $FreeBSD$ + */ + +/* + * Machine-dependent thread prototypes/definitions. + */ +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include +#include + +#define CPU_SPINWAIT + +#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) +#define TP_OFFSET 0x7008 + +/* + * Variant I tcb. The structure layout is fixed, don't blindly + * change it. + * %r2 points to end of the structure. + */ +struct tcb { + void *tcb_dtv; + struct pthread *tcb_thread; +}; + +struct tcb *_tcb_ctor(struct pthread *, int); +void _tcb_dtor(struct tcb *); + +static __inline void +_tcb_set(struct tcb *tcb) +{ + register uint8_t *_tp __asm__("%r2"); + + __asm __volatile("mr %0,%1" : "=r"(_tp) : + "r"((uint8_t *)tcb + TP_OFFSET)); +} + +static __inline struct tcb * +_tcb_get(void) +{ + register uint8_t *_tp __asm__("%r2"); + + return ((struct tcb *)(_tp - TP_OFFSET)); +} + +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_ */ diff --git a/lib/libthr/arch/powerpc64/powerpc/pthread_md.c b/lib/libthr/arch/powerpc64/powerpc/pthread_md.c new file mode 100644 index 000000000000..66f043e294a7 --- /dev/null +++ b/lib/libthr/arch/powerpc64/powerpc/pthread_md.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2003 Daniel Eischen + * 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 ``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. + * + * $FreeBSD$ + */ + +#include +#include + +#include "pthread_md.h" + +/* + * The constructors. + */ +struct tcb * +_tcb_ctor(struct pthread *thread, int initial) +{ + struct tcb *tcb; + + tcb = _rtld_allocate_tls((initial) ? _tcb_get() : NULL, + sizeof(struct tcb), 1); + if (tcb) + tcb->tcb_thread = thread; + return (tcb); + +} + +void +_tcb_dtor(struct tcb *tcb) +{ + _rtld_free_tls(tcb, sizeof(struct tcb), 1); +} diff --git a/lib/libthread_db/arch/powerpc64/libpthread_md.c b/lib/libthread_db/arch/powerpc64/libpthread_md.c new file mode 100644 index 000000000000..fbe77f4dcbec --- /dev/null +++ b/lib/libthread_db/arch/powerpc64/libpthread_md.c @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2006 Marcel Moolenaar + * 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 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. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include + +#include "libpthread_db.h" + +void +pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc) +{ + mcontext_t *mc = &uc->uc_mcontext; + + memcpy(mc->mc_frame, r, MIN(sizeof(mc->mc_frame), sizeof(*r))); +} + +void +pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r) +{ + const mcontext_t *mc = &uc->uc_mcontext; + + memcpy(r, mc->mc_frame, MIN(sizeof(mc->mc_frame), sizeof(*r))); +} + +void +pt_fpreg_to_ucontext(const struct fpreg *r, ucontext_t *uc) +{ + mcontext_t *mc = &uc->uc_mcontext; + + memcpy(mc->mc_fpreg, r, MIN(sizeof(mc->mc_fpreg), sizeof(*r))); + mc->mc_flags |= _MC_FP_VALID; +} + +void +pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r) +{ + const mcontext_t *mc = &uc->uc_mcontext; + + if (mc->mc_flags & _MC_FP_VALID) + memcpy(r, mc->mc_fpreg, MIN(sizeof(mc->mc_fpreg), sizeof(*r))); + else + memset(r, 0, sizeof(*r)); +} + +void +pt_md_init(void) +{ +} + +int +pt_reg_sstep(struct reg *reg __unused, int step __unused) +{ + + /* XXX */ + return (0); +}