indutny / indutny/core2dump

No NT_FILE when dumping with gcore

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Dominant language
C
Stars
12
Forks
2
PR merge metrics
No merged PRs in 30d

Description

gcore tool doesn't seem to generate NT_FILE note, use approach from this patch:

https://lists.fedorahosted.org/pipermail/elfutils-devel/2013-May/003072.html

To figure out the actual memory mappings.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing how gcore produces core dumps and the linked elfutils-devel patch describing NT_FILE generation. The work is done when dumps include an NT_FILE note that exposes the actual memory mappings.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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