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Using the C and C++ libraries with an application in a semihosting environment

If you are developing an application to run in a semihosted environment for debugging, you must have an execution environment that supports ARM or Thumb semihosting, and has sufficient memory.

The execution environment can be provided by either:

  • using the standard semihosting functionality that is present by default in, for example, RVI

  • implementing your own handler for the semihosting calls.

It is not necessary to write any new functions or include files if you are using the default semihosting functionality of the C and C++ libraries.

The ARM debug agents support semihosting, but the memory map assumed by the C library might require tailoring to match the hardware being debugged.