dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 1) #!/bin/bash
b24413180f560 (Greg Kroah-Hartman 2017-11-01 15:07:57 +0100 2) # SPDX-License-Identifier: GPL-2.0
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 3) # (c) 2014, Sasha Levin <sasha.levin@oracle.com>
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 4) #set -x
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 5)
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 6) usage() {
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 7) echo "Usage:"
d5ce757d8f1bd (Stephen Boyd 2021-07-07 18:09:38 -0700 8) echo " $0 -r <release> | <vmlinux> [<base path>|auto] [<modules path>]"
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 9) }
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 10)
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 11) if [[ $1 == "-r" ]] ; then
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 12) vmlinux=""
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 13) basepath="auto"
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 14) modpath=""
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 15) release=$2
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 16)
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 17) for fn in {,/usr/lib/debug}/boot/vmlinux-$release{,.debug} /lib/modules/$release{,/build}/vmlinux ; do
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 18) if [ -e "$fn" ] ; then
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 19) vmlinux=$fn
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 20) break
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 21) fi
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 22) done
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 23)
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 24) if [[ $vmlinux == "" ]] ; then
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 25) echo "ERROR! vmlinux image for release $release is not found" >&2
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 26) usage
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 27) exit 2
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 28) fi
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 29) else
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 30) vmlinux=$1
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 31) basepath=${2-auto}
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 32) modpath=$3
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 33) release=""
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 34) debuginfod=
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 35)
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 36) # Can we use debuginfod-find?
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 37) if type debuginfod-find >/dev/null 2>&1 ; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 38) debuginfod=${1-only}
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 39) fi
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 40)
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 41) if [[ $vmlinux == "" && -z $debuginfod ]] ; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 42) echo "ERROR! vmlinux image must be specified" >&2
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 43) usage
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 44) exit 1
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 45) fi
f90dde44c57a1 (Konstantin Khlebnikov 2020-08-06 23:17:43 -0700 46) fi
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 47)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 48) declare -A cache
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 49) declare -A modcache
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 50)
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 51) find_module() {
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 52) if [[ -n $debuginfod ]] ; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 53) if [[ -n $modbuildid ]] ; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 54) debuginfod-find debuginfo $modbuildid && return
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 55) fi
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 56)
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 57) # Only using debuginfod so don't try to find vmlinux module path
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 58) if [[ $debuginfod == "only" ]] ; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 59) return
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 60) fi
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 61) fi
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 62)
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 63) if [[ "$modpath" != "" ]] ; then
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 64) for fn in $(find "$modpath" -name "${module//_/[-_]}.ko*") ; do
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 65) if readelf -WS "$fn" | grep -qwF .debug_line ; then
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 66) echo $fn
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 67) return
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 68) fi
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 69) done
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 70) return 1
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 71) fi
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 72)
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 73) modpath=$(dirname "$vmlinux")
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 74) find_module && return
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 75)
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 76) if [[ $release == "" ]] ; then
5bf0f3bc377e5 (Stephen Boyd 2021-07-07 18:09:35 -0700 77) release=$(gdb -ex 'print init_uts_ns.name.release' -ex 'quit' -quiet -batch "$vmlinux" 2>/dev/null | sed -n 's/\$1 = "\(.*\)".*/\1/p')
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 78) fi
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 79)
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 80) for dn in {/usr/lib/debug,}/lib/modules/$release ; do
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 81) if [ -e "$dn" ] ; then
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 82) modpath="$dn"
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 83) find_module && return
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 84) fi
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 85) done
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 86)
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 87) modpath=""
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 88) return 1
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 89) }
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 90)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 91) parse_symbol() {
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 92) # The structure of symbol at this point is:
e260fe01fa39e (Robert Jarzmik 2015-09-04 15:43:26 -0700 93) # ([name]+[offset]/[total length])
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 94) #
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 95) # For example:
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 96) # do_basic_setup+0x9c/0xbf
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 97)
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 98) if [[ $module == "" ]] ; then
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 99) local objfile=$vmlinux
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 100) elif [[ "${modcache[$module]+isset}" == "isset" ]]; then
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 101) local objfile=${modcache[$module]}
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 102) else
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 103) local objfile=$(find_module)
431151b64af6c (Konstantin Khlebnikov 2020-08-06 23:17:41 -0700 104) if [[ $objfile == "" ]] ; then
a5dc8300df75e (Sasha Levin 2020-06-15 18:24:27 -0400 105) echo "WARNING! Modules path isn't set, but is needed to parse this symbol" >&2
a5dc8300df75e (Sasha Levin 2020-06-15 18:24:27 -0400 106) return
a5dc8300df75e (Sasha Levin 2020-06-15 18:24:27 -0400 107) fi
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 108) modcache[$module]=$objfile
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 109) fi
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 110)
e260fe01fa39e (Robert Jarzmik 2015-09-04 15:43:26 -0700 111) # Remove the englobing parenthesis
e260fe01fa39e (Robert Jarzmik 2015-09-04 15:43:26 -0700 112) symbol=${symbol#\(}
e260fe01fa39e (Robert Jarzmik 2015-09-04 15:43:26 -0700 113) symbol=${symbol%\)}
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 114)
1d6693fb9d157 (Konstantin Khlebnikov 2019-03-05 15:41:34 -0800 115) # Strip segment
1d6693fb9d157 (Konstantin Khlebnikov 2019-03-05 15:41:34 -0800 116) local segment
1d6693fb9d157 (Konstantin Khlebnikov 2019-03-05 15:41:34 -0800 117) if [[ $symbol == *:* ]] ; then
1d6693fb9d157 (Konstantin Khlebnikov 2019-03-05 15:41:34 -0800 118) segment=${symbol%%:*}:
1d6693fb9d157 (Konstantin Khlebnikov 2019-03-05 15:41:34 -0800 119) symbol=${symbol#*:}
1d6693fb9d157 (Konstantin Khlebnikov 2019-03-05 15:41:34 -0800 120) fi
1d6693fb9d157 (Konstantin Khlebnikov 2019-03-05 15:41:34 -0800 121)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 122) # Strip the symbol name so that we could look it up
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 123) local name=${symbol%+*}
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 124)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 125) # Use 'nm vmlinux' to figure out the base address of said symbol.
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 126) # It's actually faster to call it every time than to load it
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 127) # all into bash.
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 128) if [[ "${cache[$module,$name]+isset}" == "isset" ]]; then
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 129) local base_addr=${cache[$module,$name]}
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 130) else
5bf0f3bc377e5 (Stephen Boyd 2021-07-07 18:09:35 -0700 131) local base_addr=$(nm "$objfile" 2>/dev/null | awk '$3 == "'$name'" && ($2 == "t" || $2 == "T") {print $1; exit}')
f643b9ee97766 (Konstantin Khlebnikov 2020-08-06 23:17:35 -0700 132) if [[ $base_addr == "" ]] ; then
f643b9ee97766 (Konstantin Khlebnikov 2020-08-06 23:17:35 -0700 133) # address not found
f643b9ee97766 (Konstantin Khlebnikov 2020-08-06 23:17:35 -0700 134) return
f643b9ee97766 (Konstantin Khlebnikov 2020-08-06 23:17:35 -0700 135) fi
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 136) cache[$module,$name]="$base_addr"
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 137) fi
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 138) # Let's start doing the math to get the exact address into the
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 139) # symbol. First, strip out the symbol total length.
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 140) local expr=${symbol%/*}
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 141)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 142) # Now, replace the symbol name with the base address we found
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 143) # before.
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 144) expr=${expr/$name/0x$base_addr}
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 145)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 146) # Evaluate it to find the actual address
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 147) expr=$((expr))
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 148) local address=$(printf "%x\n" "$expr")
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 149)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 150) # Pass it to addr2line to get filename and line number
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 151) # Could get more than one result
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 152) if [[ "${cache[$module,$address]+isset}" == "isset" ]]; then
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 153) local code=${cache[$module,$address]}
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 154) else
5bf0f3bc377e5 (Stephen Boyd 2021-07-07 18:09:35 -0700 155) local code=$(${CROSS_COMPILE}addr2line -i -e "$objfile" "$address" 2>/dev/null)
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 156) cache[$module,$address]=$code
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 157) fi
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 158)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 159) # addr2line doesn't return a proper error code if it fails, so
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 160) # we detect it using the value it prints so that we could preserve
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 161) # the offset/size into the function and bail out
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 162) if [[ $code == "??:0" ]]; then
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 163) return
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 164) fi
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 165)
d178770d8d214 (Pi-Hsun Shih 2020-07-23 21:15:43 -0700 166) # Strip out the base of the path on each line
d178770d8d214 (Pi-Hsun Shih 2020-07-23 21:15:43 -0700 167) code=$(while read -r line; do echo "${line#$basepath/}"; done <<< "$code")
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 168)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 169) # In the case of inlines, move everything to same line
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 170) code=${code//$'\n'/' '}
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 171)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 172) # Replace old address with pretty line numbers
1d6693fb9d157 (Konstantin Khlebnikov 2019-03-05 15:41:34 -0800 173) symbol="$segment$name ($code)"
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 174) }
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 175)
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 176) debuginfod_get_vmlinux() {
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 177) local vmlinux_buildid=${1##* }
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 178)
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 179) if [[ $vmlinux != "" ]]; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 180) return
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 181) fi
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 182)
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 183) if [[ $vmlinux_buildid =~ ^[0-9a-f]+ ]]; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 184) vmlinux=$(debuginfod-find debuginfo $vmlinux_buildid)
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 185) if [[ $? -ne 0 ]] ; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 186) echo "ERROR! vmlinux image not found via debuginfod-find" >&2
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 187) usage
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 188) exit 2
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 189) fi
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 190) return
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 191) fi
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 192) echo "ERROR! Build ID for vmlinux not found. Try passing -r or specifying vmlinux" >&2
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 193) usage
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 194) exit 2
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 195) }
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 196)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 197) decode_code() {
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 198) local scripts=`dirname "${BASH_SOURCE[0]}"`
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 199)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 200) echo "$1" | $scripts/decodecode
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 201) }
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 202)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 203) handle_line() {
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 204) if [[ $basepath == "auto" && $vmlinux != "" ]] ; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 205) module=""
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 206) symbol="kernel_init+0x0/0x0"
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 207) parse_symbol
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 208) basepath=${symbol#kernel_init (}
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 209) basepath=${basepath%/init/main.c:*)}
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 210) fi
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 211)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 212) local words
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 213)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 214) # Tokenize
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 215) read -a words <<<"$1"
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 216)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 217) # Remove hex numbers. Do it ourselves until it happens in the
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 218) # kernel
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 219)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 220) # We need to know the index of the last element before we
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 221) # remove elements because arrays are sparse
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 222) local last=$(( ${#words[@]} - 1 ))
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 223)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 224) for i in "${!words[@]}"; do
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 225) # Remove the address
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 226) if [[ ${words[$i]} =~ \[\<([^]]+)\>\] ]]; then
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 227) unset words[$i]
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 228) fi
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 229)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 230) # Format timestamps with tabs
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 231) if [[ ${words[$i]} == \[ && ${words[$i+1]} == *\] ]]; then
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 232) unset words[$i]
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 233) words[$i+1]=$(printf "[%13s\n" "${words[$i+1]}")
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 234) fi
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 235) done
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 236)
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 237) if [[ ${words[$last]} =~ ^[0-9a-f]+\] ]]; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 238) words[$last-1]="${words[$last-1]} ${words[$last]}"
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 239) unset words[$last]
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 240) last=$(( $last - 1 ))
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 241) fi
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 242)
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 243) if [[ ${words[$last]} =~ \[([^]]+)\] ]]; then
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 244) module=${words[$last]}
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 245) module=${module#\[}
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 246) module=${module%\]}
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 247) modbuildid=${module#* }
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 248) module=${module% *}
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 249) if [[ $modbuildid == $module ]]; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 250) modbuildid=
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 251) fi
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 252) symbol=${words[$last-1]}
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 253) unset words[$last-1]
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 254) else
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 255) # The symbol is the last element, process it
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 256) symbol=${words[$last]}
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 257) module=
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 258) modbuildid=
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 259) fi
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 260)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 261) unset words[$last]
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 262) parse_symbol # modifies $symbol
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 263)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 264) # Add up the line number to the symbol
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 265) echo "${words[@]}" "$symbol $module"
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 266) }
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 267)
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 268) while read line; do
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 269) # Let's see if we have an address in the line
53938ee427bf2 (Josh Poimboeuf 2016-11-28 17:06:35 -0600 270) if [[ $line =~ \[\<([^]]+)\>\] ]] ||
53938ee427bf2 (Josh Poimboeuf 2016-11-28 17:06:35 -0600 271) [[ $line =~ [^+\ ]+\+0x[0-9a-f]+/0x[0-9a-f]+ ]]; then
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 272) # Translate address to line numbers
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 273) handle_line "$line"
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 274) # Is it a code line?
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 275) elif [[ $line == *Code:* ]]; then
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 276) decode_code "$line"
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 277) # Is it a version line?
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 278) elif [[ -n $debuginfod && $line =~ PID:\ [0-9]+\ Comm: ]]; then
26681eb3724b6 (Stephen Boyd 2021-07-07 18:09:31 -0700 279) debuginfod_get_vmlinux "$line"
310c6dd06a0b3 (Konstantin Khlebnikov 2016-05-19 17:09:11 -0700 280) else
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 281) # Nothing special in this line, show it as is
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 282) echo "$line"
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 283) fi
dbd1abb209715 (Sasha Levin 2014-06-04 11:39:23 -0400 284) done
VisionFive2 Linux kernel
StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)
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