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[Bug corefiles/18187] New: gdb needs to write first page of segment to core file, even for unmodified segments
- From: "dje at google dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Tue, 31 Mar 2015 22:59:21 +0000
- Subject: [Bug corefiles/18187] New: gdb needs to write first page of segment to core file, even for unmodified segments
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=18187
Bug ID: 18187
Summary: gdb needs to write first page of segment to core file,
even for unmodified segments
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: corefiles
Assignee: unassigned at sourceware dot org
Reporter: dje at google dot com
It's useful to record the contents of .note.gnu.build-id in core files,
e.g., to verify with the corresponding executable.
Currently gdb will skip writing readonly segments that it detects as being
unmodified.
While it's potentially impossible to find where .note.gnu.build-id lives,
a good heuristic is to just write the first (4K) page.
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