Source-Changes-HG archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
[src/trunk]: src/sys/arch/mips/mips skip kernel-only code on crash.
details: https://anonhg.NetBSD.org/src/rev/a1c16a666fe9
branches: trunk
changeset: 976436:a1c16a666fe9
user: mrg <mrg%NetBSD.org@localhost>
date: Thu Sep 24 03:17:18 2020 +0000
description:
skip kernel-only code on crash.
XXX: we could make verylocore work with a symbol look for crash.
diffstat:
sys/arch/mips/mips/mips_stacktrace.c | 21 +++++++++++----------
1 files changed, 11 insertions(+), 10 deletions(-)
diffs (74 lines):
diff -r dd7b22213dcb -r a1c16a666fe9 sys/arch/mips/mips/mips_stacktrace.c
--- a/sys/arch/mips/mips/mips_stacktrace.c Thu Sep 24 03:06:01 2020 +0000
+++ b/sys/arch/mips/mips/mips_stacktrace.c Thu Sep 24 03:17:18 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: mips_stacktrace.c,v 1.6 2020/09/23 09:56:33 mrg Exp $ */
+/* $NetBSD: mips_stacktrace.c,v 1.7 2020/09/24 03:17:18 mrg Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mips_stacktrace.c,v 1.6 2020/09/23 09:56:33 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mips_stacktrace.c,v 1.7 2020/09/24 03:17:18 mrg Exp $");
#ifdef _KERNEL_OPT
#include "opt_ddb.h"
@@ -291,10 +291,6 @@
[_R_A0] = a0, [_R_A1] = a1, [_R_A2] = a2, [_R_A3] = a3,
[_R_RA] = ra,
};
-#ifdef DDB
- db_expr_t diff;
- db_sym_t sym;
-#endif
/* Jump here when done with a frame, to start a new one */
loop:
@@ -322,8 +318,11 @@
goto done;
}
-#ifdef DDB
+#if defined(DDB) && defined(_KERNEL)
if (ksyms_available()) {
+ db_expr_t diff;
+ db_sym_t sym;
+
/*
* Check the kernel symbol table to see the beginning of
* the current subroutine.
@@ -348,7 +347,7 @@
}
va = pc - diff;
} else {
-#endif /* DDB */
+#endif /* DDB && _KERNEL */
/*
* Find the beginning of the current subroutine by
* scanning backwards from the current PC for the end
@@ -362,8 +361,10 @@
va = pc;
do {
va -= sizeof(int);
+#ifdef _KERNEL /* XXX crash */
if (va <= (vaddr_t)verylocore)
goto finish;
+#endif
if (!kdbpeek(va, &instr))
return;
if (instr == MIPS_ERET)
@@ -380,9 +381,9 @@
return;
va += sizeof(int);
}
-#ifdef DDB
+#if defined(DDB) && defined(_KERNEL)
}
-#endif /* DDB */
+#endif /* DDB && _KERNEL */
subr = va;
/* scan forwards to find stack size and any saved registers */
Home |
Main Index |
Thread Index |
Old Index