Messages in this thread | | | From | Kumar Gala <> | Subject | Re: How to link a .o with all modules | Date | Mon, 2 Jun 2008 23:55:19 -0500 |
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On May 8, 2008, at 3:22 PM, Sam Ravnborg wrote:
> On Thu, May 08, 2008 at 09:16:10AM -0500, Kumar Gala wrote: >> >> On May 5, 2008, at 3:44 PM, Sam Ravnborg wrote: >> >>>>> >>>>> >>>>> Let me know if this does address your question. >>>> >>>> The problem is MODPOST complains about undefined symbols: >>>> >>>> MODPOST 24 modules >>>> ERROR: "_restgpr_20_x" [net/key/af_key.ko] undefined! >>>> ERROR: "_restgpr_25_x" [net/key/af_key.ko] undefined! >>>> ERROR: "_restgpr_30_x" [net/key/af_key.ko] undefined! >>> >>> I need a bit more context to try to analyse this. >>> Where did you expect _restgpr_20_x to be defined. >>> If in vmlinux then were they present in the >>> Module.symvers file? >> >> No they aren't there since we I'm not EXPORT_SYMBOL() them. Should I >> also be doing EXPORT_SYMBOL? > > So modpost claim it cannot find the symbols. > >> >>> If in the linked in .o file - could you >>> see the symbols using objdump. >> >> Yes. >> >> readelf -a: >> >> ... >> Symbol table '.symtab' contains 113 entries: >> Num: Value Size Type Bind Vis Ndx Name >> ... >> 5: 00000000 0 FUNC GLOBAL DEFAULT 1 _savegpr_14 >> 6: 00000000 0 FUNC GLOBAL DEFAULT 1 _save32gpr_14 >> ... > > Strange. > > I did not look closer. > But it looks like the linker failed to resolve these symbols > in the final link somehow - despite the symbols are present in > the linked in .o file. > > Can you try to drop me the output of the relocation records for the > finally linked .o file (the one with your .o file linked in). > > objdump -r IIRC
Sam,
Didn't see any feedback from the relocation records.
- k
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