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Differential D30921

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

Reviewers

manu
kib

Commits

rGf707a6cf1a4a: Add infrastructure required for Linux coredump support
rG435754a59ee2: Add infrastructure required for Linux coredump support

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.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Passed

Unit

No Test Coverage

Build Status

Buildable 40140
Build 37029: arc lint + arc unit

Event Timeline

trasz created this revision.Jun 28 2021, 10:02 AM

Herald added a reviewer: manu. · View Herald TranscriptJun 28 2021, 10:02 AM

Herald added subscribers: jhibbits, emaste, andrew, imp. · View Herald Transcript

trasz requested review of this revision.Jun 28 2021, 10:02 AM

Harbormaster completed remote builds in B40140: Diff 91431.Jun 28 2021, 10:02 AM

(Tinderboxed.)

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.

trasz mentioned this in D30019: linux(4): implement coredump support.Jun 28 2021, 10:06 AM

kib accepted this revision.Jun 28 2021, 11:02 AM

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

Closed by commit rG435754a59ee2: Add infrastructure required for Linux coredump support (authored by trasz). · Explain WhyJun 29 2021, 7:58 AM

This revision was automatically updated to reflect the committed changes.

trasz added a commit: rG435754a59ee2: Add infrastructure required for Linux coredump support.

jhb added a commit: rGf707a6cf1a4a: Add infrastructure required for Linux coredump support.May 12 2022, 10:57 PM

Revision Contents
Changeset List

Path

Size

sys/

amd64/

amd64/

6 lines

cloudabi32/

cloudabi32_sysvec.c

3 lines

cloudabi64/

cloudabi64_sysvec.c

3 lines

linux/

3 lines

linux32/

linux32_sysvec.c

3 lines

arm/

arm/

3 lines

cloudabi32/

cloudabi32_sysvec.c

3 lines

arm64/

arm64/

elf32_machdep.c

3 lines

3 lines

cloudabi32/

cloudabi32_sysvec.c

3 lines

cloudabi64/

cloudabi64_sysvec.c

3 lines

linux/

3 lines

compat/

ia32/

3 lines

i386/

i386/

3 lines

linux/

3 lines

kern/

66 lines

mips/

mips/

2 lines

freebsd32_machdep.c

3 lines

powerpc/

powerpc/

elf32_machdep.c

3 lines

elf64_machdep.c

6 lines

riscv/

riscv/

3 lines

sys/

11 lines

5 lines

Diff 91431

sys/amd64/amd64/elf_machdep.c

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sys/amd64/cloudabi32/cloudabi32_sysvec.c

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sys/amd64/cloudabi64/cloudabi64_sysvec.c

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sys/amd64/linux/linux_sysvec.c

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sys/amd64/linux32/linux32_sysvec.c

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sys/arm/arm/elf_machdep.c

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sys/arm/cloudabi32/cloudabi32_sysvec.c

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sys/arm64/arm64/elf32_machdep.c

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sys/arm64/arm64/elf_machdep.c

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sys/arm64/cloudabi32/cloudabi32_sysvec.c

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sys/arm64/cloudabi64/cloudabi64_sysvec.c

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sys/arm64/linux/linux_sysvec.c

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sys/compat/ia32/ia32_sysvec.c

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sys/i386/i386/elf_machdep.c

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sys/i386/linux/linux_sysvec.c

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sys/kern/imgact_elf.c

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sys/mips/mips/elf_machdep.c

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sys/mips/mips/freebsd32_machdep.c

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sys/powerpc/powerpc/elf32_machdep.c

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sys/powerpc/powerpc/elf64_machdep.c

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sys/riscv/riscv/elf_machdep.c

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sys/sys/imgact_elf.h

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sys/sys/sysent.h

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