mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-02 08:42:48 +00:00
Code Issues Releases Activity

Update crashinfo to work with newer gdb from ports.

Browse Source 
If gdb from ports is installed, use it instead of the base system gdb
to extract variables from a kernel.  Note that base gdb and ports gdb
do not support the same options for invoking a single command in batch
mode, so a wrapper shell function is used.  In addition, prefer kgdb
from ports when generating a backtrace if present.

PR:		193335
Reviewed by:	emaste
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D7218
This commit is contained in:
John Baldwin 2016-07-20 18:41:47 +00:00
parent 2dc6ff9b9d
commit 241cf416c9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=303109
1 changed files with 27 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
usr.sbin/crashinfo/crashinfo.sh
View File

@ -35,6 +35,22 @@ usage()
exit 1
}
# Run a single gdb command against a kernel file in batch mode.
# The kernel file is specified as the first argument and the command
# is given in the remaining arguments.
gdb_command()
{
local k
k=$1 ; shift
if [ -x /usr/local/bin/gdb ]; then
/usr/local/bin/gdb -batch -ex "$@" $k
else
echo -e "$@" | /usr/bin/gdb -x /dev/stdin -batch $k
fi
}
find_kernel()
{
local ivers k kvers
@ -55,8 +71,8 @@ find_kernel()
# Look for a matching kernel version.
for k in `sysctl -n kern.bootfile` $(ls -t /boot/*/kernel); do
kvers=$(echo 'printf " Version String: %s", version' | \
gdb -x /dev/stdin -batch $k 2>/dev/null)
kvers=$(gdb_command $k 'printf " Version String: %s", version' \
2>/dev/null)
if [ "$ivers" = "$kvers" ]; then
KERNEL=$k
break
@ -151,11 +167,10 @@ echo "Writing crash summary to $FILE."
umask 077
# Simulate uname
ostype=$(echo -e printf '"%s", ostype' | gdb -x /dev/stdin -batch $KERNEL)
osrelease=$(echo -e printf '"%s", osrelease' | gdb -x /dev/stdin -batch $KERNEL)
version=$(echo -e printf '"%s", version' | gdb -x /dev/stdin -batch $KERNEL | \
tr '\t\n' ' ')
machine=$(echo -e printf '"%s", machine' | gdb -x /dev/stdin -batch $KERNEL)
ostype=$(gdb_command $KERNEL 'printf "%s", ostype')
osrelease=$(gdb_command $KERNEL 'printf "%s", osrelease')
version=$(gdb_command $KERNEL 'printf "%s", version' | tr '\t\n' ' ')
machine=$(gdb_command $KERNEL 'printf "%s", machine')
exec > $FILE 2>&1
@ -174,7 +189,11 @@ file=`mktemp /tmp/crashinfo.XXXXXX`
if [ $? -eq 0 ]; then
echo "bt" >> $file
echo "quit" >> $file
kgdb $KERNEL $VMCORE < $file
if [ -x /usr/local/bin/kgdb ]; then
/usr/local/bin/kgdb $KERNEL $VMCORE < $file
else
kgdb $KERNEL $VMCORE < $file
fi
rm -f $file
echo
fi