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authorThomas Zimmermann <tzimmermann@suse.de>2022-06-20 19:21:25 +0300
committerThomas Zimmermann <tzimmermann@suse.de>2022-06-20 19:21:25 +0300
commit2b1333b80885b896807ffb6ccf4bc21d29aa65e0 (patch)
tree51cc2d13d65603383db82c87f01a0aa93bd26010 /scripts/objdump-func
parentcad564ca557f8d3bb3b1fa965d9a2b3f6490ec69 (diff)
parent0f95ee9a0c579ebed0309657f6918673927189f2 (diff)
downloadlinux-2b1333b80885b896807ffb6ccf4bc21d29aa65e0.tar.xz
Merge drm/drm-next into drm-misc-next
Backmerging to get new regmap APIs of v5.19-rc1. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'scripts/objdump-func')
-rwxr-xr-xscripts/objdump-func29
1 files changed, 29 insertions, 0 deletions
diff --git a/scripts/objdump-func b/scripts/objdump-func
new file mode 100755
index 000000000000..4eb463dd9f52
--- /dev/null
+++ b/scripts/objdump-func
@@ -0,0 +1,29 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Disassemble a single function.
+#
+# usage: objdump-func <file> <func>
+
+set -o errexit
+set -o nounset
+
+OBJDUMP="${CROSS_COMPILE:-}objdump"
+
+command -v gawk >/dev/null 2>&1 || die "gawk isn't installed"
+
+usage() {
+ echo "usage: objdump-func <file> <func>" >&2
+ exit 1
+}
+
+[[ $# -lt 2 ]] && usage
+
+OBJ=$1; shift
+FUNC=$1; shift
+
+# Secret feature to allow adding extra objdump args at the end
+EXTRA_ARGS=$@
+
+# Note this also matches compiler-added suffixes like ".cold", etc
+${OBJDUMP} -wdr $EXTRA_ARGS $OBJ | gawk -M -v f=$FUNC '/^$/ { P=0; } $0 ~ "<" f "(\\..*)?>:" { P=1; O=strtonum("0x" $1); } { if (P) { o=strtonum("0x" $1); printf("%04x ", o-O); print $0; } }'