On Wed, Jan 25, 2017 at 9:31 PM, Joe Perches <j...@perches.com> wrote: > On Wed, 2017-01-25 at 07:49 +0100, Julia Lawall wrote: >> What does the data column actually represent? I tried size on the .o file >> generated from: >> >> commit a65f0161f4d69d6738d4821e649448312cd818e2 >> Author: Stephen Rothwell <s...@canb.auug.org.au> >> Date: Tue Jan 17 15:22:28 2017 +1100 >> >> with CONFIG_X86_64=y and I get: >> >> text data bss dec hex filename >> 19726 3480 16 23222 5ab6 drivers/nvdimm/namespace_devs.o >> >> but when I run objdump -sh drivers/nvdimm/namespace_devs.o, I find a .data >> segment of size 1008 and a .data.unlikely segment of size 8, which don't >> match up with the results of size. > > Likely you have dynamic_debug enabled and you > need to include these additional sections: > > __jump_table > __verbose > > If user_mode_linux is enabled, add sections: > > .fini_array > .init_array >
Thanks for the explanation. I also compiled the patch for x86-64 but couldn't find what went wrong but this solved the problem. Thanks, Bhumika