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#!/bin/bash
#
# Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
#
# SPDX-License-Identifier: GPL-2.0
#
set -e
ARGS_N=$#
INPUT_FILE=$1
SYMBOL_FILE=`find -name u-boot.sym`
echo
if [ $ARGS_N -eq 0 ]; then
echo "Usage: "
echo " ./scripts/stacktrace.sh <file> // u-boot stacktrace info file"
exit 1
elif [ ! -f $INPUT_FILE ]; then
echo "Can't find input file: $INPUT_FILE"
exit 1
elif [ "$SYMBOL_FILE" = '' ] || [ ! -f $SYMBOL_FILE ]; then
echo "Can't find symbol file: u-boot.sym"
exit 1
fi
# Parse PC and LR
echo "Call trace:"
sed -n "/: \[</p" $INPUT_FILE | while read line
do
echo -n " ${line} "
frame_pc_str=`echo $line | awk '{ print "0x"$3 }'`
frame_pc_dec=`echo $line | awk '{ print strtonum("0x"$3); }'`
frame_pc_hex=`echo "obase=16;${frame_pc_dec}"|bc |tr '[A-Z]' '[a-z]'`
f_pc_dec=`cat u-boot.sym | sort | awk '/\.text/ { if (strtonum("0x"$1) > '$frame_pc_str') { print fpc; exit; } fpc=strtonum("0x"$1); }'`
f_pc_hex=`echo "obase=16;${f_pc_dec}"|bc |tr '[A-Z]' '[a-z]'`
f_offset_dec=$((frame_pc_dec-f_pc_dec))
f_offset_hex=`echo "obase=16;${f_offset_dec}"|bc |tr '[A-Z]' '[a-z]'`
cat u-boot.sym | sort |
awk -v foffset=$f_offset_hex '/\.text/ {
if (strtonum("0x"$1) > '$frame_pc_str') {
printf("%s+0x%s/0x%x ", fname, foffset, fsize);
exit
}
fname=$NF;
fsize=strtonum("0x"$5);
fpc=strtonum("0x"$1);
}'
func_path=`./make.sh $frame_pc_str | awk '{ print $1 }' | sed -n "/home/p"`
func_path=`echo ${func_path##*boot/}`
echo $func_path
done
echo
# Parse stack
echo "Stack:"
sed -n "/ \[</p" $INPUT_FILE | while read line
do
echo -n " ${line} "
frame_pc_str=`echo $line | awk '{ print "0x"$2 }'`
frame_pc_dec=`echo $line | awk '{ print strtonum("0x"$2); }'`
frame_pc_hex=`echo "obase=16;${frame_pc_dec}"|bc |tr '[A-Z]' '[a-z]'`
f_pc_dec=`cat u-boot.sym | sort | awk '/\.text/ { if (strtonum("0x"$1) > '$frame_pc_str') { print fpc; exit; } fpc=strtonum("0x"$1); }'`
f_pc_hex=`echo "obase=16;${f_pc_dec}"|bc |tr '[A-Z]' '[a-z]'`
f_offset_dec=$((frame_pc_dec-f_pc_dec))
f_offset_hex=`echo "obase=16;${f_offset_dec}"|bc |tr '[A-Z]' '[a-z]'`
cat u-boot.sym | sort |
awk -v foffset=$f_offset_hex '/\.text/ {
if (strtonum("0x"$1) > '$frame_pc_str') {
printf("%s+0x%s/0x%x\n", fname, foffset, fsize);
exit
}
fname=$NF;
fsize=strtonum("0x"$5);
fpc=strtonum("0x"$1);
}'
done
echo
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