[RFC] scripts: make extract-vmlinux support ARM vmlinuz

[Russell King - ARM Linux]

On Tue, Jan 26, 2016 at 09:10:36PM +0900, Roger Shimizu wrote:
> vmlinuz on ARM seems is not an ELF, so scripts/extract-vmlinux
> diff --git a/scripts/extract-vmlinux b/scripts/extract-vmlinux
> index 5061abcc2540..d569eb8c8efe 100755
> --- a/scripts/extract-vmlinux
> +++ b/scripts/extract-vmlinux
> @@ -15,7 +15,15 @@ check_vmlinux()
>  	# Use readelf to check if it's a valid ELF
>  	# TODO: find a better to way to check that it's really vmlinux
>  	#       and not just an elf
> -	readelf -h $1 > /dev/null 2>&1 || return 1
> +	case "$2" in
> +	0|"")
> +		readelf -h $1 > /dev/null 2>&1 || return 1
> +		;;
> +	1|*)
> +	# For ARCH like ARM, vmlinux is not ELF, so we only do the check
> +	# when $2 is 0 or NULL

This comment seems to be misleading - I think you mean "vmlinuz" there,
or maybe "zImage" as the file is named in the kernel build tree to make
it clear what you're referring to.  "vmlinuz" is the name chosen by
distro installers.

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