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#!/bin/bash
#
# Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
#
# SPDX-License-Identifier: GPL-2.0
#
set -e
INPUT_FILE=$1
TPL_SPL=$2
if [ "${TPL_SPL}" = "tpl" ]; then
SYM_FILE=`find -name u-boot-tpl.sym`
ELF_FILE="elf tpl"
elif [ "${TPL_SPL}" = "spl" ]; then
SYM_FILE=`find -name u-boot-spl.sym`
ELF_FILE="elf spl"
else
SYM_FILE=`find -name u-boot.sym`
ELF_FILE="elf"
fi
echo
if [ $# -eq 0 ]; then
echo "Usage: "
echo " ./scripts/stacktrace.sh <file> <type>"
echo
echo "Param:"
echo " <file>: stacktrace info file"
echo " <type>: none, spl, tpl"
echo
echo "Example:"
echo " ./scripts/stacktrace.sh ./dump.txt"
echo " ./scripts/stacktrace.sh ./dump.txt tpl"
echo " ./scripts/stacktrace.sh ./dump.txt spl"
echo
exit 1
elif [ ! -f ${INPUT_FILE} ]; then
echo "ERROR: No ${INPUT_FILE}"
exit 1
elif [ "${SYM_FILE}" = '' ] || [ ! -f ${SYM_FILE} ]; then
echo "ERROR: No ${SYM_FILE}"
exit 1
fi
echo "SYMBOL File: ${SYM_FILE}"
echo
# Parse PC and LR
echo "Call trace:"
grep '\[< ' ${INPUT_FILE} | grep '>\]' | grep [PC,LR] | 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 ${SYM_FILE} | 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 ${SYM_FILE} | sort |
awk -v foffset=${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:"
grep '\[< ' ${INPUT_FILE} | grep '>\]' | grep -v [PC,LR] | 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 ${SYM_FILE} | 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 ${SYM_FILE} | sort |
awk -v foffset=${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
# PC instruction
echo "PC Surrounding Instructions:"
line=`grep '\[< ' ${INPUT_FILE} | grep '>\]' | grep [PC]`
frame_pc_str=`echo ${line} | awk '{ print "0x"$3 }'`
frame_pc_dec=`echo ${line} | awk '{ print strtonum("0x"$3); }'`
# Handle Thumb instr
if [ `expr ${frame_pc_dec} % 2` -ne 0 ];then
frame_pc_dec=`expr ${frame_pc_dec} - 1`
fi
frame_pc_hex=`echo "obase=16;${frame_pc_dec}"|bc |tr '[A-Z]' '[a-z]'`
PC_INSTR=`./make.sh ${ELF_FILE} | grep -5 -m 1 "${frame_pc_hex}:"`
echo "${PC_INSTR}"
echo