Module Name: src
Committed By: thorpej
Date: Wed Nov 22 02:01:07 UTC 2023
Modified Files:
src/usr.sbin/crash: Makefile
Added Files:
src/usr.sbin/crash/arch: alpha.c
Log Message:
Add Alpha glue for crash(8).
To generate a diff of this commit:
cvs rdiff -u -r1.49 -r1.50 src/usr.sbin/crash/Makefile
cvs rdiff -u -r0 -r1.1 src/usr.sbin/crash/arch/alpha.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.sbin/crash/Makefile
diff -u src/usr.sbin/crash/Makefile:1.49 src/usr.sbin/crash/Makefile:1.50
--- src/usr.sbin/crash/Makefile:1.49 Sun Jul 9 17:10:47 2023
+++ src/usr.sbin/crash/Makefile Wed Nov 22 02:01:07 2023
@@ -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}
|| ${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" \
Added files:
Index: src/usr.sbin/crash/arch/alpha.c
diff -u /dev/null src/usr.sbin/crash/arch/alpha.c:1.1
--- /dev/null Wed Nov 22 02:01:07 2023
+++ src/usr.sbin/crash/arch/alpha.c Wed Nov 22 02:01:07 2023
@@ -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;
+}
