diff options
Diffstat (limited to 'scripts/faddr2line')
| -rwxr-xr-x | scripts/faddr2line | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/scripts/faddr2line b/scripts/faddr2line index 1fa6beef9f97..622875396bcf 100755 --- a/scripts/faddr2line +++ b/scripts/faddr2line @@ -1,4 +1,4 @@ -#!/bin/bash +#!/usr/bin/env bash # SPDX-License-Identifier: GPL-2.0 # # Translate stack dump function offsets. @@ -76,6 +76,10 @@ ADDR2LINE="${UTIL_PREFIX}addr2line${UTIL_SUFFIX}" AWK="awk" GREP="grep" +# Enforce ASCII-only output from tools like readelf +# ensuring sed processes strings correctly. +export LANG=C + command -v ${AWK} >/dev/null 2>&1 || die "${AWK} isn't installed" command -v ${READELF} >/dev/null 2>&1 || die "${READELF} isn't installed" command -v ${ADDR2LINE} >/dev/null 2>&1 || die "${ADDR2LINE} isn't installed" @@ -107,14 +111,19 @@ find_dir_prefix() { run_readelf() { local objfile=$1 - local out=$(${READELF} --file-header --section-headers --symbols --wide $objfile) + local tmpfile + tmpfile=$(mktemp) + + ${READELF} --file-header --section-headers --symbols --wide "$objfile" > "$tmpfile" # This assumes that readelf first prints the file header, then the section headers, then the symbols. # Note: It seems that GNU readelf does not prefix section headers with the "There are X section headers" # line when multiple options are given, so let's also match with the "Section Headers:" line. - ELF_FILEHEADER=$(echo "${out}" | sed -n '/There are [0-9]* section headers, starting at offset\|Section Headers:/q;p') - ELF_SECHEADERS=$(echo "${out}" | sed -n '/There are [0-9]* section headers, starting at offset\|Section Headers:/,$p' | sed -n '/Symbol table .* contains [0-9]* entries:/q;p') - ELF_SYMS=$(echo "${out}" | sed -n '/Symbol table .* contains [0-9]* entries:/,$p') + ELF_FILEHEADER=$(sed -n '/There are [0-9]* section headers, starting at offset\|Section Headers:/q;p' "$tmpfile") + ELF_SECHEADERS=$(sed -n '/There are [0-9]* section headers, starting at offset\|Section Headers:/,$p' "$tmpfile" | sed -n '/Symbol table .* contains [0-9]* entries:/q;p') + ELF_SYMS=$(sed -n '/Symbol table .* contains [0-9]* entries:/,$p' "$tmpfile") + + rm -f -- "$tmpfile" } check_vmlinux() { |