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Unresolved symbols while linking from assembly file to C and vice-versa

Jasmeet Kaur97544
Intellectual 420 points

Hello,

I'm trying to build a project with several C and assembly files in CCSv5.1.1, all of which are linked to the project source, but the linker is unable to resolve some symbols.

If a symbol is defined in a C file, the assembly file is unable to resolve it even if it is defined to be a .global symbol in the assembly file, (.ref doesn't seem to work as well).

Can anybody suggest a possible solution?

  • 0
    TI__Guru**** 173310 points

    Jasmeet,

    Are you building for EABI or COFF ABI? The assembly symbol name mangling is different between the 2 ABIs, thus would require some changes when working with intermixed C/ASM code. Please see this wiki article for details. If this does not help resolve the error, please provide more details, such as the C and asm source code, which symbols are unresolved and the build options used.

  • 0 in reply to AartiG
    Intellectual 420 points

    Thanks for your support.

    Changing few symbol names in the assembly file helped. I'm using EABI.