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