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ARM: CRT.S in ARM-Tools

Hello,

I'm using KEIL uVision3 with GNU ARM Compiler.
For better understanding of the work of the Library functions, I'm searching for the CRT Source Files and the LIBC Source Files.
Could also somebody explain me, what is the different between the many
LIBxxx.a files and the
CRTxxx.o files

Sincerely
D. Justen

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  • Thank you for the fast reply.
    The Source Files from GNU are perhaps general purpose files. So I believe, that keil makes some adaption, for example:
    - link printf to the serial the serial port
    - provide different FPU Schematas
    - ...

    Are this adapted files also available. I only found the object files in cygnus.

    Sincerely
    D. Justen