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Specifying ARM standard C and C++ libraries in a scatter file

Use *armlib* or *libcxx* so that the linker can resolve library naming in your scatter file.

Some ARM C and C++ library sections must be placed in a root region, for example __main.o, __scatter*.o, __dc*.o, and *Region$$Table. This list can change between releases. The linker can place all these sections automatically in a future-proof way with InRoot$$Sections.