Commit 406b5c12 authored by Brian Johannesmeyer's avatar Brian Johannesmeyer Committed by Josh Poimboeuf
Browse files

scripts/faddr2line: Remove call to addr2line from find_dir_prefix() 



Use the single long-running faddr2line process from find_dir_prefix().

Signed-off-by: default avatarBrian Johannesmeyer <bjohannesmeyer@gmail.com>
Link: https://lore.kernel.org/r/20240415145538.1938745-7-bjohannesmeyer@gmail.com


Signed-off-by: default avatarJosh Poimboeuf <jpoimboe@kernel.org>
parent e36b69e9

scripts/faddr2line

+7 −5
Original line number Diff line number Diff line
@@ -85,15 +85,17 @@ command -v ${ADDR2LINE} >/dev/null 2>&1 || die "${ADDR2LINE} isn't installed" 
# init/main.c!  This only works for vmlinux.  Otherwise it falls back to

# printing the absolute path.

find_dir_prefix() {

	local objfile=$1



	local start_kernel_addr=$(echo "${ELF_SYMS}" | sed 's/\[.*\]//' |

		${AWK} '$8 == "start_kernel" {printf "0x%s", $2}')

	[[ -z $start_kernel_addr ]] && return



	local file_line=$(${ADDR2LINE} -e $objfile $start_kernel_addr)

	[[ -z $file_line ]] && return

	run_addr2line ${start_kernel_addr} ""

	[[ -z $ADDR2LINE_OUT ]] && return



	local file_line=${ADDR2LINE_OUT#* at }

	if [[ -z $file_line ]] || [[ $file_line = $ADDR2LINE_OUT ]]; then

		return

	fi

	local prefix=${file_line%init/main.c:*}

	if [[ -z $prefix ]] || [[ $prefix = $file_line ]]; then

		return
@@ -350,7 +352,7 @@ echo "${ELF_SECHEADERS}" | ${GREP} -q '\.debug_info' || die "CONFIG_DEBUG_INFO n 
init_addr2line $objfile



DIR_PREFIX=supercalifragilisticexpialidocious

find_dir_prefix $objfile

find_dir_prefix



FIRST=1

while [[ $# -gt 0 ]]; do