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Subject [GitHub] [incubator-nuttx] patacongo commented on issue #986: Userspace errno
Date Thu, 07 May 2020 14:09:32 GMT

patacongo commented on issue #986:
URL: https://github.com/apache/incubator-nuttx/issues/986#issuecomment-625278735


   > 
   > 
   > > Linux (actual GDB) does not provide a good mechanism; it relies on a storage
class that is specific to ELF binaries. That is not useful in an embedded system.
   > 
   > This thing did bite me when I was trying to get Linux ELF running on Nuttx.
   > That's a horrible implementation, relaying perfect cooperation of the toolchain and
kernel, IMHO.
   
   It is an easy trap to fall into in doing system software to exploit the tool environment
that you work in as part of the implementation of the software.  That is usually disastrous
because it ties the implementation to the tools and that tool environment.
   
   This is one of the reasons that in NuttX we forbid any tool-specific dependencies in the
common OS code.


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