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LLEXT: support detached sections #79012

Merged
merged 5 commits into from
Sep 29, 2024
Merged

LLEXT: support detached sections #79012

merged 5 commits into from
Sep 29, 2024

Commits on Sep 27, 2024

  1. llext: make llext_loaded_sect_ptr() available to all LLEXT code 

    Make llext_loaded_sect_ptr() a proper function to be able to call it
from platform LLEXT code.

Signed-off-by: Guennadi Liakhovetski <[email protected]>
    @lyakh
    lyakh committed Sep 27, 2024
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  2. llext: (cosmetic) use a more common name for a variable 

    It's more common in the LLEXT code base to call elf_sym_t instances
"sym" and not "sym_tbl." Convert llext_link_plt() to follow this
convention.

Signed-off-by: Guennadi Liakhovetski <[email protected]>
    @lyakh
    lyakh committed Sep 27, 2024
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  3. LLEXT: Xtensa: add support for L32R relocation 

    When building LLEXT for Xtensa with custom sections the compiler
can leave unresolved references in them. Then this has to be done by
the LLEXT core during linking. This commit adds linking support for
the L32R Xtensa instruction.

Signed-off-by: Guennadi Liakhovetski <[email protected]>
    @lyakh
    lyakh committed Sep 27, 2024
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  4. llext: pass the whole struct llext_load_param 

    To simplify LLEXT loader parameter extension pass the whole
struct llext_load_param to final consumers instead of extracting
individual fields from it in the caller function.

Signed-off-by: Guennadi Liakhovetski <[email protected]>
    @lyakh
    lyakh committed Sep 27, 2024
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  5. LLEXT: add support for detached sections 

    Some LLEXT objects can include sections, that should not be merged
with other sections of the same type. E.g. when such sections should
be placed into locations, other than the default. Add support for
such sections.

Signed-off-by: Guennadi Liakhovetski <[email protected]>
    @lyakh
    lyakh committed Sep 27, 2024
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