If you are extracting a kernel installed from your operating system, you can install the extract-linux script with your package manager. It’s unlikely that the script will change, but to be safe you should use the extract-vmlinux script that is from the same source tree as your kernel.
You can download the latest version from GitHub: $ wget -O extract-vmlinux It will cover the extract-vmlinux script, how to use objdump, and how to use /boot/System.map to locate functions and other symbols.Įxtracting the Linux kernel image (vmlinuz)įirst, you’ll need to get the extract-vmlinux script so that you can decompress and extract the Linux kernel image. This blog post explains how to extract and disassemble a Linux kernel image.
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