2 # SPDX-License-Identifier: GPL-2.0
4 # Disassemble a single function.
6 # usage: objdump-func <file> <func>
11 OBJDUMP="${CROSS_COMPILE:-}objdump"
13 command -v gawk >/dev/null 2>&1 || die "gawk isn't installed"
16 echo "usage: objdump-func <file> <func>" >&2
20 [[ $# -lt 2 ]] && usage
25 # Secret feature to allow adding extra objdump args at the end
28 # Note this also matches compiler-added suffixes like ".cold", etc
29 ${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; } }'