Sam Ravnborg wrote:
On Fri, May 18, 2007 at 10:27:06PM +0200, Jan Engelhardt wrote:
On May 18 2007 17:02, John Sigler wrote:
I'm getting "disagrees about version of symbol struct_module" messages,
and I'm trying to understand why.
As far as I understand (which is not very far), if I define
CONFIG_MODVERSIONS, then checksums for various functions (all exported
functions?) and various structures (which ones?) will be included inside
the kernel image, and written to Module.symvers. When an out-of-tree
module is built, it will also include these checksums.
How do I list the checksums within a module?
Is there a simpler way to list all the checksums?
22:25 ichi:~ > modinfo aes
srcversion: 8CB82B3A254D5A950FD0D14
I think this one checksum is computed out of all functions that
the module uses.
It is computed based on all files used for the module.
Check help for "Loadable module support | Source Checksum for all modules"
How do I list *all* the checksums inside a given module?
For example, I want to know the checksum for "struct_module" in test.ko
$ grep struct_module Module.symvers
0x71d1e11f struct_module vmlinux EXPORT_SYMBOL
That's for the kernel.
$(MAGIC_COMMAND_TO_DUMP_CHECKSUMS) test.ko | grep struct_module
=> ...
Regards.
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