91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2004 Marcel Moolenaar
|
|
* Copyright (c) 2011 Marius Strobl <marius@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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/types.h>
|
|
#include <string.h>
|
|
#include <thread_db.h>
|
|
#include <ucontext.h>
|
|
#include <machine/fsr.h>
|
|
|
|
#include "libpthread_db.h"
|
|
|
|
void
|
|
pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
|
|
{
|
|
|
|
memcpy(&uc->uc_mcontext, r, MIN(sizeof(uc->uc_mcontext), sizeof(*r)));
|
|
}
|
|
|
|
void
|
|
pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
|
|
{
|
|
|
|
memcpy(r, &uc->uc_mcontext, MIN(sizeof(uc->uc_mcontext), sizeof(*r)));
|
|
}
|
|
|
|
void
|
|
pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc)
|
|
{
|
|
mcontext_t *mc = &uc->uc_mcontext;
|
|
|
|
memcpy(mc->mc_fp, r->fr_regs, MIN(sizeof(mc->mc_fp),
|
|
sizeof(r->fr_regs)));
|
|
mc->_mc_fsr = r->fr_fsr;
|
|
mc->_mc_gsr = r->fr_gsr;
|
|
mc->_mc_fprs |= FPRS_FEF;
|
|
}
|
|
|
|
void
|
|
pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
|
|
{
|
|
const mcontext_t *mc = &uc->uc_mcontext;
|
|
|
|
if ((mc->_mc_fprs & FPRS_FEF) != 0) {
|
|
memcpy(r->fr_regs, mc->mc_fp, MIN(sizeof(mc->mc_fp),
|
|
sizeof(r->fr_regs)));
|
|
r->fr_fsr = mc->_mc_fsr;
|
|
r->fr_gsr = mc->_mc_gsr;
|
|
} else
|
|
memset(r, 0, sizeof(*r));
|
|
}
|
|
|
|
void
|
|
pt_md_init(void)
|
|
{
|
|
|
|
}
|
|
|
|
int
|
|
pt_reg_sstep(struct reg *reg __unused, int step __unused)
|
|
{
|
|
|
|
return (0);
|
|
}
|