add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/scripts/decode_stacktrace.sh
..
..
@@ -3,17 +3,67 @@
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 # (c) 2014, Sasha Levin <sasha.levin@oracle.com>
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 #set -x
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5
 
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-if [[ $# < 2 ]]; then
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+if [[ $# < 1 ]]; then
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 	echo "Usage:"
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-	echo "	$0 [vmlinux] [base path] [modules path]"
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+	echo "	$0 -r <release> | <vmlinux> [base path] [modules path]"
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 	exit 1
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 fi
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-vmlinux=$1
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-basepath=$2
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-modpath=$3
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+if [[ $1 == "-r" ]] ; then
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+	vmlinux=""
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+	basepath="auto"
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+	modpath=""
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+	release=$2
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+
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+	for fn in {,/usr/lib/debug}/boot/vmlinux-$release{,.debug} /lib/modules/$release{,/build}/vmlinux ; do
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+		if [ -e "$fn" ] ; then
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+			vmlinux=$fn
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+			break
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+		fi
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+	done
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+
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+	if [[ $vmlinux == "" ]] ; then
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+		echo "ERROR! vmlinux image for release $release is not found" >&2
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+		exit 2
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+	fi
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+else
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+	vmlinux=$1
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+	basepath=${2-auto}
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+	modpath=$3
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+	release=""
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+fi
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+
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 declare -A cache
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 declare -A modcache
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+
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+find_module() {
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+	if [[ "$modpath" != "" ]] ; then
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+		for fn in $(find "$modpath" -name "${module//_/[-_]}.ko*") ; do
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+			if readelf -WS "$fn" | grep -qwF .debug_line ; then
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+				echo $fn
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+				return
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+			fi
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+		done
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+		return 1
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+	fi
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+
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+	modpath=$(dirname "$vmlinux")
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+	find_module && return
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+
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+	if [[ $release == "" ]] ; then
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+		release=$(gdb -ex 'print init_uts_ns.name.release' -ex 'quit' -quiet -batch "$vmlinux" | sed -n 's/\$1 = "\(.*\)".*/\1/p')
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+	fi
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+
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+	for dn in {/usr/lib/debug,}/lib/modules/$release ; do
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+		if [ -e "$dn" ] ; then
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+			modpath="$dn"
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+			find_module && return
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+		fi
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+	done
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+
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+	modpath=""
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+	return 1
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+}
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67
 
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 parse_symbol() {
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 	# The structure of symbol at this point is:
..
..
@@ -27,15 +77,24 @@
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 	elif [[ "${modcache[$module]+isset}" == "isset" ]]; then
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 		local objfile=${modcache[$module]}
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 	else
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-		[[ $modpath == "" ]] && return
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-		local objfile=$(find "$modpath" -name $module.ko -print -quit)
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-		[[ $objfile == "" ]] && return
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+		local objfile=$(find_module)
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+		if [[ $objfile == "" ]] ; then
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+			echo "WARNING! Modules path isn't set, but is needed to parse this symbol" >&2
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+			return
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+		fi
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 		modcache[$module]=$objfile
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 	fi
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 	# Remove the englobing parenthesis
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 	symbol=${symbol#\(}
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 	symbol=${symbol%\)}
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+
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+	# Strip segment
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+	local segment
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+	if [[ $symbol == *:* ]] ; then
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+		segment=${symbol%%:*}:
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+		symbol=${symbol#*:}
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+	fi
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 	# Strip the symbol name so that we could look it up
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 	local name=${symbol%+*}
..
..
@@ -46,7 +105,11 @@
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 	if [[ "${cache[$module,$name]+isset}" == "isset" ]]; then
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 		local base_addr=${cache[$module,$name]}
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 	else
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-		local base_addr=$(nm "$objfile" | grep -i ' t ' | awk "/ $name\$/ {print \$1}" | head -n1)
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+		local base_addr=$(nm "$objfile" | awk '$3 == "'$name'" && ($2 == "t" || $2 == "T") {print $1; exit}')
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+		if [[ $base_addr == "" ]] ; then
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+			# address not found
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+			return
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+		fi
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 		cache[$module,$name]="$base_addr"
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 	fi
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 	# Let's start doing the math to get the exact address into the
..
..
@@ -84,7 +147,7 @@
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 	code=${code//$'\n'/' '}
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 	# Replace old address with pretty line numbers
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-	symbol="$name ($code)"
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+	symbol="$segment$name ($code)"
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 }
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 decode_code() {
..
..
@@ -138,6 +201,14 @@
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 	echo "${words[@]}" "$symbol $module"
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 }
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+if [[ $basepath == "auto" ]] ; then
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+	module=""
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+	symbol="kernel_init+0x0/0x0"
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+	parse_symbol
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+	basepath=${symbol#kernel_init (}
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+	basepath=${basepath%/init/main.c:*)}
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+fi
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+
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 while read line; do
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 	# Let's see if we have an address in the line
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 	if [[ $line =~ \[\<([^]]+)\>\] ]] ||