Severity: normal
Priority: P2
Component: general
Assignee: unassigned at sourceware dot org
Reporter: pablogsal at gmail dot com
CC: elfutils-devel at sourceware dot org
Target Milestone: ---
I am trying to use elfutils to report a core file
https://sourceware.org/bugzilla/show_bug.cgi?id=30975
--- Comment #2 from Pablo Galindo Salgado ---
Maybe a first attempt to improve the situation could be to not eagerly remove
"colliding" modules but either warn or take a callback to act on them or some
way to deactivate that behavior as curren
https://sourceware.org/bugzilla/show_bug.cgi?id=30975
--- Comment #6 from Pablo Galindo Salgado ---
Hi, I can confirm that this indeed fixes the issue. Thanks to everyone
involved. Fantastic work!
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https://sourceware.org/bugzilla/show_bug.cgi?id=29434
--- Comment #11 from Pablo Galindo Salgado ---
Unfortunately I cannot easily patch dwarf_getscopes and run the experiment :(
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--- Comment #12 from Pablo Galindo Salgado ---
Hopefully I can report back with the output in a few days. Apologies for the
delay!
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--- Comment #13 from Pablo Galindo Salgado ---
Hum, it seems that I cannot attach the output because is 87 MB of output.
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--- Comment #14 from Pablo Galindo Salgado ---
I can tell you that the file finishes with:
pc_record => [5d9f]
pc_record <= [5d9f] 3
__libdw_visit_scopes result 3, scopes 0xa689d0, inlined 0, nscopes 3
:)
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https://sourceware.org/bugzilla/show_bug.cgi?id=29434
--- Comment #15 from Pablo Galindo Salgado ---
Here is the parts that reference the parts:
__libdw_visit_scopes for pc 0xf5b23, cudie [29ce89]
__libdw_visit_scopes result 0, scopes (nil), inlined 0, nscopes 0
__libdw_visit_scopes for pc 0x252
https://sourceware.org/bugzilla/show_bug.cgi?id=29434
--- Comment #2 from Pablo Galindo Salgado ---
> it could in theory also be zero
In this case, the result was 0 (I am working with Matt)
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--- Comment #4 from Pablo Galindo Salgado ---
The first result is already 0 in
int result = __libdw_visit_scopes (0, &cu, NULL, &pc_match, &pc_record, &a);
I think this is because walk_children finds no "real children" so it returns
with the
https://sourceware.org/bugzilla/show_bug.cgi?id=29434
--- Comment #6 from Pablo Galindo Salgado ---
What would be the best way to provide that?
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--- Comment #7 from Pablo Galindo Salgado ---
The dwarf trie comes from /usr/lib64/libc-2.17.so in a RHEL7 system
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--- Comment #8 from Pablo Galindo Salgado ---
If you give me a patch adding print statements to libdw/dwarf_getscopes.c and
libdw/libdw_visit_scopes.c I can give you the output.
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