https://sourceware.org/bugzilla/show_bug.cgi?id=23652
Bug ID: 23652
Summary: addr2line finds and parses external debug information
but does not use the result for its output
Product: binutils
Version: 2.32 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: guillaume at morinfr dot org
Target Milestone: ---
Created attachment 11244
--> https://sourceware.org/bugzilla/attachment.cgi?id=11244&action=edit
patch
addr2line calls _bfd_dwarf2_find_nearest_line() which then calls
_bfd_dwarf2_slurp_debug_info(). _bfd_dwarf2_slurp_debug_info() diligently
finds and parses external debug files if necessary.
However the calling function (_bfd_elf_find_nearest_line()) does not pass the
resulting dwarf_debug2 stash back to _bfd_elf_find_function() for printing.
The attached patch changes that by
1) passing the stash as an new argument bfd_elf_find_function() (dwarf_debug2
is not exposed outside of dwarf2.c so this stays as a void **)
2) looking for the corresponding section in dwarf2_debug if provided
I am not familiar with the binutils codebase so it might not be the best (or
right) solution in all cases but I hope this helps demonstrate the problem and
a potential solution.
Thank you!
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