Linker error when building for ELF

Kevin Alden

Other Parts Discussed in Thread: OMAP3530

I have a C64x project that is successfully building a COFF binary. I am trying to get it to build as an ELF binary as that is all that I have working with syslink right now. (I am ultimately targeting the DSP on the OMAP3530)

When I build for ELF, I suddenly get missing symbols from the AES64plus TI library. My first thought was that this .lib file was built for COFF and thus causing issues. I updated the make file to include --abi=eabi so that it builds for ELF, but that did not resolve the issue.

Does anyone have any idea as to what would cause a link error only when building for elf?

More specifically, my DSP build is targeting ti.targets.elf.C64P

over 12 years ago

0 Badri Narayanan over 12 years ago

TI__Guru 59700 points

Is the missing symbols in assembly functions by any chance or all symbols from AES64plus lib are missing ?

0 Kevin Alden over 12 years ago in reply to Badri Narayanan

Intellectual 645 points

the main thing missing is AES128_keySchedule which is in aes128_keyschedule.sa. The other symbols in the lib file seem to be found.

0 Kevin Alden over 12 years ago in reply to Kevin Alden

Intellectual 645 points

From your comment, I just found this: http://processors.wiki.ti.com/index.php/C6000_EABI_Migration#Assembly_Code_Changes_.28C_and_C.2B.2B_ABI_Changes.29

Sounds like I need to provide a symbol without the _ prefix that COFF expects. I'll try that now.

0 Kevin Alden over 12 years ago in reply to Kevin Alden

Intellectual 645 points

OK. That worked. I followed the Conditional Redefine Method on the wiki for any assembly functions that get called from C.

Just a suggestion, I would be nice if TI updated their libraries to provide elf builds as well as coff. I know most of them do, but somehow Aes64Plus slipped through the cracks.

Thanks for the help.

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Linker error when building for ELF