Messages in this thread | | | Date | Wed, 19 Oct 2016 17:03:47 -0500 | From | Segher Boessenkool <> | Subject | Re: Challenges around the usage of different "HOSTCFLAGS" for kernel build configuration and module generation |
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On Wed, Oct 19, 2016 at 12:51:44PM -0700, Jim Davis wrote: > On Wed, Oct 19, 2016 at 12:25 AM, SF Markus Elfring > <elfring@users.sourceforge.net> wrote: > > > > Are you interested that a software generation parameter like "-S" > > (for output of assembler source files) could be directly supported > > for a special build variant? > > No, if you want to see the assembly code then something like > > make defconfig; make EXTRA_CFLAGS="-g" drivers/md/; objdump -S > drivers/md/whatever.o > > seems easy enough. You could write a little shell wrapper to save > some keystrokes if you find you're running those commands frequently.
Don't forget -r when running objdump on an object file. But, you want to use make drivers/md/whatever.s if you want to see the assembler code.
And that doesn't work for build-time tools, which I think is what the original discussion was about.
Segher
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