/*      $NetBSD: powerpc.c,v 1.1 2023/04/12 17:53:32 riastradh Exp $    */

/*-
* Copyright (c) 2023 The NetBSD Foundation, Inc.
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <sys/cdefs.h>
__RCSID("$NetBSD: powerpc.c,v 1.1 2023/04/12 17:53:32 riastradh Exp $");

#include <err.h>
#include <kvm.h>
#include <stdlib.h>

#include "extern.h"

enum {
       N_TRAPEXIT,
       N_SCTRAPEXIT,
       N_INTRCALL,
       N
};

void *trapexit;
void *sctrapexit;
void *intrcall;

static struct nlist nl[] = {
       [N_TRAPEXIT] = { .n_name = "trapexit" },
       [N_SCTRAPEXIT] = { .n_name = "sctrapexit" },
       [N_INTRCALL] = { .n_name = "intrcall" },
       [N] = { .n_name = NULL },
};

void
db_mach_init(kvm_t *kd)
{

       if (kvm_nlist(kd, nl) == -1)
               errx(EXIT_FAILURE, "kvm_nlist: %s", kvm_geterr(kd));

       trapexit = (void *)nl[N_TRAPEXIT].n_value;
       sctrapexit = (void *)nl[N_SCTRAPEXIT].n_value;
       intrcall = (void *)nl[N_INTRCALL].n_value;
}