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Linker-defined symbols

The linker defines some symbols that are reserved by ARM®, and that you can access if required.

Symbols that contain the character sequence $$, and all other external names containing the sequence $$, are names reserved by ARM.

You can import these symbolic addresses and use them as relocatable addresses by your assembly language programs, or refer to them as extern symbols from your C or C++ source code.

Be aware that linker-defined symbols are only generated when your code references them.

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