[RAMEN9610-21380]HID: hiddev: do cleanup in failure of opening a device

[GitHub/MotorolaMobilityLLC/kernel-slsi.git] / scripts / faddr2line

diff --git a/scripts/faddr2line b/scripts/faddr2line
index 2f6ce802397db2833e26e255f133076518f79046..7721d5b2b0c04ee923b3c14216214db68fcb7dd0 100755 (executable)
--- a/scripts/faddr2line
+++ b/scripts/faddr2line
@@ -1,4 +1,5 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
 #
 # Translate stack dump function offsets.
 #
@@ -43,9 +44,16 @@
 set -o errexit
 set -o nounset
 
+READELF="${CROSS_COMPILE:-}readelf"
+ADDR2LINE="${CROSS_COMPILE:-}addr2line"
+SIZE="${CROSS_COMPILE:-}size"
+NM="${CROSS_COMPILE:-}nm"
+
 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"
+command -v ${READELF} >/dev/null 2>&1 || die "readelf isn't installed"
+command -v ${ADDR2LINE} >/dev/null 2>&1 || die "addr2line isn't installed"
+command -v ${SIZE} >/dev/null 2>&1 || die "size isn't installed"
+command -v ${NM} >/dev/null 2>&1 || die "nm isn't installed"
 
 usage() {
        echo "usage: faddr2line <object file> <func+offset> <func+offset>..." >&2
@@ -68,10 +76,10 @@ die() {
 find_dir_prefix() {
        local objfile=$1
 
-       local start_kernel_addr=$(readelf -sW $objfile | awk '$8 == "start_kernel" {printf "0x%s", $2}')
+       local start_kernel_addr=$(${READELF} -sW $objfile | awk '$8 == "start_kernel" {printf "0x%s", $2}')
        [[ -z $start_kernel_addr ]] && return
 
-       local file_line=$(addr2line -e $objfile $start_kernel_addr)
+       local file_line=$(${ADDR2LINE} -e $objfile $start_kernel_addr)
        [[ -z $file_line ]] && return
 
        local prefix=${file_line%init/main.c:*}
@@ -103,7 +111,7 @@ __faddr2line() {
 
        # Go through each of the object's symbols which match the func name.
        # In rare cases there might be duplicates.
-       file_end=$(size -Ax $objfile | awk '$1 == ".text" {print $2}')
+       file_end=$(${SIZE} -Ax $objfile | awk '$1 == ".text" {print $2}')
        while read symbol; do
                local fields=($symbol)
                local sym_base=0x${fields[0]}
@@ -155,10 +163,10 @@ __faddr2line() {
 
                # pass real address to addr2line
                echo "$func+$offset/$sym_size:"
-               addr2line -fpie $objfile $addr | sed "s; $dir_prefix\(\./\)*; ;"
+               ${ADDR2LINE} -fpie $objfile $addr | sed "s; $dir_prefix\(\./\)*; ;"
                DONE=1
 
-       done < <(nm -n $objfile | awk -v fn=$func -v end=$file_end '$3 == fn { found=1; line=$0; start=$1; next } found == 1 { found=0; print line, "0x"$1 } END {if (found == 1) print line, end; }')
+       done < <(${NM} -n $objfile | awk -v fn=$func -v end=$file_end '$3 == fn { found=1; line=$0; start=$1; next } found == 1 { found=0; print line, "0x"$1 } END {if (found == 1) print line, end; }')
 }
 
 [[ $# -lt 2 ]] && usage