This article will describe debugging package with dbgsym for debug symbol.
Table of Contents
1 Append debian-debug repository
Append debian-debug repository to apt sources.list.d.
$ cat <<EOF | sudo tee /etc/apt/sources.list.d/dbgsym.list deb http://debug.mirrors.debian.org/debian-debug/ stretch-debug main EOF $ sudo apt update -y
2 Install dbgsym
Packages which have dbgsym suffix are debug symbol.
<pkg>-dbgsym
This article installs debug symbol for coretuils.
$ sudo apt install -y coreutils-dbgsym
Debug symbol will be installed to /usr/lib/debug. GDB will search /usr/lib/debug automatically.
$ dpkg -L coreutils-dbgsym /. /usr /usr/lib /usr/lib/debug /usr/lib/debug/.build-id /usr/lib/debug/.build-id/04 /usr/lib/debug/.build-id/04/7a2dfd63f9e20b837c04e874b56b47b60f564a.debug /usr/lib/debug/.build-id/09 /usr/lib/debug/.build-id/09/16ef8fc767ab302f1468c5c515929f313b9e54.debug /usr/lib/debug/.build-id/0a <snip>
3 Debug package with dbgsym
Install GDB.
$ sudo apt install -y gdb
Download coretuils source code.
$ mkdir coreutils $ cd coreutils $ apt source coreutils-dbgsym $ cd ./coreutils-*
Debug ls command in coreutils.
$ gdb ls (gdb) la src (gdb) b main (gdb) r
GDB breaks at main function.
