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Creating a symdefs file

Use the armlink option --symdefs=filename to generate a symdefs file.

The linker produces a symdefs file during a successful final link stage. It is not produced for partial linking or for unsuccessful final linking.


If filename does not exist, the file is created containing all the global symbols. If filename exists, the existing contents of filename are used to select the symbols that are output when the linker rewrites the file. This means that only the existing symbols in the filename are updated, and no new symbols (if any) are added at all. If you do not want this behavior, ensure that any existing symdefs file is deleted before the link step.

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