[llvm-dev] [compiler-rt] '-fprofile-generate' and embedded systems

[Nicholas Wilson via llvm-dev]

Well you could always write a ‘filesystem’ that shunts all data out the serial port (or similar).

On 25 May 2017, at 9:12 pm, Martin J. O'Riordan via llvm-dev <llvm-dev at lists.llvm.org<mailto:llvm-dev at lists.llvm.org>> wrote:

What is the best way of porting the ‘compiler-rt’ Profile library for an embedded system with no file-system (and hence no ‘fopen’, etc.)?

What I would like to do is use it as normal, but then use a custom solution for getting the resulting data off the system.  It seems that this library (and the other compiler-rt libraries) are designed only to work with a hosted system.

Are there any other embedded targets that this has been adapted for which would have similar constraints?

Thanks,

            MartinO

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