linux-kernel - [tip: objtool/core] scripts/faddr2line: Pass --addresses argument to addr2line

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Message-ID: <172043936564.2215.10480143326707999309.tip-bot2@tip-bot2>
Date: Mon, 08 Jul 2024 11:49:25 -0000
From: "tip-bot2 for Brian Johannesmeyer" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Brian Johannesmeyer <bjohannesmeyer@...il.com>,
 Josh Poimboeuf <jpoimboe@...nel.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: objtool/core] scripts/faddr2line: Pass --addresses argument to
 addr2line

The following commit has been merged into the objtool/core branch of tip:

Commit-ID:     5b280de46d2bcea9def0dd84b1e86f8b42ca70b9
Gitweb:        https://git.kernel.org/tip/5b280de46d2bcea9def0dd84b1e86f8b42ca70b9
Author:        Brian Johannesmeyer <bjohannesmeyer@...il.com>
AuthorDate:    Mon, 15 Apr 2024 16:55:35 +02:00
Committer:     Josh Poimboeuf <jpoimboe@...nel.org>
CommitterDate: Tue, 02 Jul 2024 23:38:36 -07:00

scripts/faddr2line: Pass --addresses argument to addr2line

In preparation for identifying an addr2line sentinel. See previous work
[0], which applies a similar change to perf.

[0] commit 8dc26b6f718a ("perf srcline: Make sentinel reading for binutils
addr2line more robust")

Signed-off-by: Brian Johannesmeyer <bjohannesmeyer@...il.com>
Link: https://lore.kernel.org/r/20240415145538.1938745-5-bjohannesmeyer@gmail.com
Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
---
 scripts/faddr2line | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/scripts/faddr2line b/scripts/faddr2line
index bb3b5f0..820680c 100755
--- a/scripts/faddr2line
+++ b/scripts/faddr2line
@@ -260,9 +260,12 @@ __faddr2line() {
 
 		# Pass section address to addr2line and strip absolute paths
 		# from the output:
-		local args="--functions --pretty-print --inlines --exe=$objfile"
+		local args="--functions --pretty-print --inlines --addresses --exe=$objfile"
 		[[ $IS_VMLINUX = 0 ]] && args="$args --section=$sec_name"
-		local output=$(${ADDR2LINE} $args $addr | sed "s; $dir_prefix\(\./\)*; ;")
+		local output_with_addr=$(${ADDR2LINE} $args $addr | sed "s; $dir_prefix\(\./\)*; ;")
+		[[ -z $output_with_addr ]] && continue
+
+		local output=$(echo "${output_with_addr}" | sed 's/^0x[0-9a-fA-F]*: //')
 		[[ -z $output ]] && continue
 
 		# Default output (non --list):