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Add Alpha glue for crash(8).

This commit is contained in:
thorpej 2023-11-22 02:01:07 +00:00
parent 541de8cd15
commit 699823c2cb
2 changed files with 77 additions and 2 deletions
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7
usr.sbin/crash/Makefile
View File

@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.49 2023/07/09 17:10:47 riastradh Exp $
# $NetBSD: Makefile,v 1.50 2023/11/22 02:01:07 thorpej Exp $
PROG= crash
MAN= crash.8
@ -21,11 +21,14 @@ DPADD+= ${LIBUTIL} ${LIBKVM} ${LIBEDIT} ${LIBTERMINFO}
|| ${MACHINE_CPU} == "arm" \
|| ${MACHINE_CPU} == "aarch64" \
|| ${MACHINE_CPU} == "mips" \
|| ${MACHINE_ARCH} == "alpha" \
|| ${MACHINE_ARCH} == "m68k" \
|| ${MACHINE_ARCH} == "powerpc" \
|| ${MACHINE_ARCH} == "powerpc64"
SRCS+= db_trace.c
.if ${MACHINE_CPU} == "mips"
.if ${MACHINE_ARCH} == "alpha"
SRCS+= db_interface.c
.elif ${MACHINE_CPU} == "mips"
SRCS+= db_interface.c mips_stacktrace.c
CPPFLAGS+= -DDDB
.elif ${MACHINE_ARCH} != "m68k" \

72
usr.sbin/crash/arch/alpha.c Normal file
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@ -0,0 +1,72 @@
/* $NetBSD: alpha.c,v 1.1 2023/11/22 02:01:07 thorpej Exp $ */
/*-
* Copyright (c) 2023 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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>
#ifndef lint
__RCSID("$NetBSD: alpha.c,v 1.1 2023/11/22 02:01:07 thorpej Exp $");
#endif /* not lint */
#include <kvm.h>
#include <nlist.h>
#include <err.h>
#include <stdlib.h>
#include <ddb/ddb.h>
#include <machine/frame.h>
#include <machine/pcb.h>
#include <alpha/db_machdep.h>
#include "extern.h"
struct pcb pcb;
struct trapframe ddb_regs;
extern db_alpha_nlist db_alpha_nl[];
void
db_mach_init(kvm_t *kd)
{
if (kvm_nlist(kd, db_alpha_nl) == -1) {
errx(EXIT_FAILURE, "kvm_nlist: %s", kvm_geterr(kd));
}
if ((size_t)kvm_read(kd, db_alpha_nl[SYM_dumppcb].n_value,
&pcb, sizeof(pcb)) != sizeof(pcb)) {
warnx("cannot read dumppcb: %s", kvm_geterr(kd));
}
memcpy(&ddb_regs.tf_regs[FRAME_S0],
&pcb.pcb_context[0], 7 * sizeof(unsigned long));
ddb_regs.tf_regs[FRAME_RA] = pcb.pcb_context[7];
ddb_regs.tf_regs[FRAME_SP] = pcb.pcb_hw.apcb_ksp;
ddb_regp = &ddb_regs;
}