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Add infrastructure required for Linux coredump support
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Authored by trasz on Jun 28 2021, 10:02 AM.
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Details

Summary

This adds sv_elf_core_osabi, sv_elf_core_abi_vendor,
and sv_elf_core_prepare_notes fields to struct sysentvec,
and modifies imgact_elf.c to make use of them instead of hardcoding
FreeBSD-specific values. It also updates all of the ABI definitions
to preserve current behaviour.

This makes it possible to implement non-native ELF coredump support
without unnecessary code duplication. It will be used for Linux
coredumps.

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rG FreeBSD src repository
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Event Timeline

Note that this is essentialy a part of https://reviews.freebsd.org/D30019, with Linux-specific bits changed back to FreeBSD-specific ones to preserve old behaviour, and also to make them build.

kib added inline comments.
sys/sys/imgact_elf.h
106

I suggest to rename this type, it is too generic for elf-specific usage.

This revision is now accepted and ready to land.Jun 28 2021, 11:02 AM