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minor improvement and a bug fix #7

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minor improvement and a bug fix #7

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Commits on May 2, 2023

  1. minor improvements: 

     - added python3 compatibility
 - added --include-path option
 - used floor division (//) to compute ABS32 symbol offset
    @vinxxe
    vinxxe authored and vinxxe committed May 2, 2023
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  2. no more need to fix an addres for udynlink_get_lot_base function 

    the asm template has been changed to load into the r1 register (to jump to udynlink_get_lot_base address) the value of the defined label.
then the user shall call the function udynlink_patch_exported_func to write the address of udynlink_get_lot_base to the space reserved for the label.
the only thing that shall be known at compile time is the code length in bytes of the asm prologue.
the rodata has been moved to the data section because the udynlink_patch_exported_func patch the global symbols belonging to the text section
    @vinxxe
    vinxxe authored and vinxxe committed May 2, 2023
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  3. bug: if the script compiles more than one source file, it consider th… 

    …e global symbols of the last file only.

this fix resolves this problem. now the script saves the global symbols of all the object files and, in the linking phase, it makes all these symbols local.
    @vinxxe
    vinxxe authored and vinxxe committed May 2, 2023
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  4. added the R_ARM_CALL to the checking for PC-relative functions 

    just in case you need to compile without thumb instruction set
    @vinxxe
    vinxxe authored and vinxxe committed May 2, 2023
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