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/*
* Copyright (c) 2004 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 AUTHORS ``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 AUTHORS 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 <machine/md_var.h>
#include <machine/pcb.h>
#include <err.h>
#include <kvm.h>
#include <string.h>
#include "kgdb.h"
#include <defs.h>
#include <target.h>
#include <gdbthread.h>
#include <inferior.h>
#include <regcache.h>
void
kgdb_trgt_fetch_registers(int regno __unused)
{
struct kthr *kt;
struct pcb pcb;
uint64_t r;
kt = kgdb_thr_lookup_tid(ptid_get_tid(inferior_ptid));
if (kt == NULL)
return;
if (kvm_read(kvm, kt->pcb, &pcb, sizeof(pcb)) != sizeof(pcb)) {
warnx("kvm_read: %s", kvm_geterr(kvm));
memset(&pcb, 0, sizeof(pcb));
}
/* Registers 0-127: general registers. */
supply_register(1, (char *)&pcb.pcb_special.gp);
supply_register(4, (char *)&pcb.pcb_preserved.gr4);
supply_register(5, (char *)&pcb.pcb_preserved.gr5);
supply_register(6, (char *)&pcb.pcb_preserved.gr6);
supply_register(7, (char *)&pcb.pcb_preserved.gr7);
supply_register(12, (char *)&pcb.pcb_special.sp);
supply_register(13, (char *)&pcb.pcb_special.tp);
/* Registers 128-255: floating-point registers. */
supply_register(130, (char *)&pcb.pcb_preserved_fp.fr2);
supply_register(131, (char *)&pcb.pcb_preserved_fp.fr3);
supply_register(132, (char *)&pcb.pcb_preserved_fp.fr4);
supply_register(133, (char *)&pcb.pcb_preserved_fp.fr5);
supply_register(144, (char *)&pcb.pcb_preserved_fp.fr16);
supply_register(145, (char *)&pcb.pcb_preserved_fp.fr17);
supply_register(146, (char *)&pcb.pcb_preserved_fp.fr18);
supply_register(147, (char *)&pcb.pcb_preserved_fp.fr19);
supply_register(148, (char *)&pcb.pcb_preserved_fp.fr20);
supply_register(149, (char *)&pcb.pcb_preserved_fp.fr21);
supply_register(150, (char *)&pcb.pcb_preserved_fp.fr22);
supply_register(151, (char *)&pcb.pcb_preserved_fp.fr23);
supply_register(152, (char *)&pcb.pcb_preserved_fp.fr24);
supply_register(153, (char *)&pcb.pcb_preserved_fp.fr25);
supply_register(154, (char *)&pcb.pcb_preserved_fp.fr26);
supply_register(155, (char *)&pcb.pcb_preserved_fp.fr27);
supply_register(156, (char *)&pcb.pcb_preserved_fp.fr28);
supply_register(157, (char *)&pcb.pcb_preserved_fp.fr29);
supply_register(158, (char *)&pcb.pcb_preserved_fp.fr30);
supply_register(159, (char *)&pcb.pcb_preserved_fp.fr31);
/* Registers 320-327: branch registers. */
if (pcb.pcb_special.__spare == ~0UL)
supply_register(320, (char *)&pcb.pcb_special.rp);
supply_register(321, (char *)&pcb.pcb_preserved.br1);
supply_register(322, (char *)&pcb.pcb_preserved.br2);
supply_register(323, (char *)&pcb.pcb_preserved.br3);
supply_register(324, (char *)&pcb.pcb_preserved.br4);
supply_register(325, (char *)&pcb.pcb_preserved.br5);
/* Registers 328-333: misc. other registers. */
supply_register(330, (char *)&pcb.pcb_special.pr);
if (pcb.pcb_special.__spare == ~0UL) {
r = pcb.pcb_special.iip + ((pcb.pcb_special.psr >> 41) & 3);
supply_register(331, (char *)&r);
supply_register(333, (char *)&pcb.pcb_special.cfm);
} else {
supply_register(331, (char *)&pcb.pcb_special.rp);
supply_register(333, (char *)&pcb.pcb_special.pfs);
}
/* Registers 334-461: application registers. */
supply_register(350, (char *)&pcb.pcb_special.rsc);
r = pcb.pcb_special.bspstore;
if (pcb.pcb_special.__spare == ~0UL)
r += pcb.pcb_special.ndirty;
else
r = ia64_bsp_adjust(r, IA64_CFM_SOF(pcb.pcb_special.pfs) -
IA64_CFM_SOL(pcb.pcb_special.pfs));
supply_register(351, (char *)&r); /* bsp */
supply_register(352, (char *)&r); /* bspstore */
supply_register(353, (char *)&pcb.pcb_special.rnat);
supply_register(370, (char *)&pcb.pcb_special.unat);
supply_register(374, (char *)&pcb.pcb_special.fpsr);
if (pcb.pcb_special.__spare == ~0UL)
supply_register(398, (char *)&pcb.pcb_special.pfs);
supply_register(399, (char *)&pcb.pcb_preserved.lc);
}
void
kgdb_trgt_store_registers(int regno __unused)
{
fprintf_unfiltered(gdb_stderr, "XXX: %s\n", __func__);
}
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