xref: /aosp_15_r20/external/toybox/scripts/probes/showasm (revision cf5a6c84e2b8763fc1a7db14496fd4742913b199)
1*cf5a6c84SAndroid Build Coastguard Worker#!/bin/sh
2*cf5a6c84SAndroid Build Coastguard Worker
3*cf5a6c84SAndroid Build Coastguard Worker# Copyright 2006 Rob Landley <[email protected]>
4*cf5a6c84SAndroid Build Coastguard Worker
5*cf5a6c84SAndroid Build Coastguard Worker# Dumb little utility function to print out the assembly dump of a single
6*cf5a6c84SAndroid Build Coastguard Worker# function, or list the functions so dumpable in an executable.  You'd think
7*cf5a6c84SAndroid Build Coastguard Worker# there would be a way to get objdump to do this, but I can't find it.
8*cf5a6c84SAndroid Build Coastguard Worker
9*cf5a6c84SAndroid Build Coastguard Worker[ $# -lt 1 ] || [ $# -gt 2 ] && { echo "usage: showasm file function"; exit 1; }
10*cf5a6c84SAndroid Build Coastguard Worker
11*cf5a6c84SAndroid Build Coastguard Worker[ ! -f $1 ] && { echo "File $1 not found"; exit 1; }
12*cf5a6c84SAndroid Build Coastguard Worker
13*cf5a6c84SAndroid Build Coastguard Workerif [ $# -eq 1 ]
14*cf5a6c84SAndroid Build Coastguard Workerthen
15*cf5a6c84SAndroid Build Coastguard Worker  objdump -d $1 | sed -n -e 's/^[0-9a-fA-F]* <\(.*\)>:$/\1/p'
16*cf5a6c84SAndroid Build Coastguard Worker  exit 0
17*cf5a6c84SAndroid Build Coastguard Workerfi
18*cf5a6c84SAndroid Build Coastguard Worker
19*cf5a6c84SAndroid Build Coastguard Workerobjdump -d $1 | sed -n -e '/./{H;$!d}' -e "x;/^.[0-9a-fA-F]* <$2>:/p"
20*cf5a6c84SAndroid Build Coastguard Worker
21