* [Bug default/25462] [dwz] Include producer information in compressed file
2020-01-01 0:00 [Bug default/25462] New: [dwz] Include producer information in compressed file vries at gcc dot gnu.org
@ 2020-01-01 0:00 ` vries at gcc dot gnu.org
0 siblings, 0 replies; 2+ messages in thread
From: vries at gcc dot gnu.org @ 2020-01-01 0:00 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=25462
--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
OTOH, this would make comparing compressions results (f.i. done using different
dwz version) more difficult.
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* [Bug default/25462] New: [dwz] Include producer information in compressed file
@ 2020-01-01 0:00 vries at gcc dot gnu.org
2020-01-01 0:00 ` [Bug default/25462] " vries at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: vries at gcc dot gnu.org @ 2020-01-01 0:00 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=25462
Bug ID: 25462
Summary: [dwz] Include producer information in compressed file
Product: dwz
Version: unspecified
Status: NEW
Severity: enhancement
Priority: P2
Component: default
Assignee: nobody at sourceware dot org
Reporter: vries at gcc dot gnu.org
CC: dwz at sourceware dot org
Target Milestone: ---
It would be good to have a possibility to include information in the compressed
file about how that file was obtained (see f.i. PR25459 with the mystery
clang-offload-bundler-10.debug file).
We could f.i. add a dummy CU with a partial_unit DIE and a DW_AT_producer. [ It
would be nicer if we could store it somewhere outside the debug sections, but
I'm not sure where. ]
Info we may want:
- verbatim command line
- values of command line controlled variables (since defaults may
change and are not visible on the command line)
- md5sum of input file (and/or md5sums of .debug sections)
- unique identifier of sources that were used (f.i. git hash)
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2020-01-01 0:00 [Bug default/25462] New: [dwz] Include producer information in compressed file vries at gcc dot gnu.org
2020-01-01 0:00 ` [Bug default/25462] " vries at gcc dot gnu.org
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