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[Bug binutils/23652] addr2line finds and parses external debug informati

From: cvs-commit at gcc dot gnu.org
Subject: [Bug binutils/23652] addr2line finds and parses external debug information but does not use the result for its output
Date: Wed, 27 Nov 2019 08:42:23 +0000


--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Alan Modra <address@hidden>:


commit 7f3bf38453acbabf7286dd7f8ce2688282e7b9cd
Author: Alan Modra <address@hidden>
Date:   Wed Nov 27 18:00:59 2019 +1030

    PR23652, Use symbols from debug bfd for _bfd_elf_find_function properly

    There were a number of problems with the previous patch.  Firstly,
    _bfd_dwarf2_stash_syms didn't do anything when the original file had
    dynamic symbols, and secondly, info found by the symbol search didn't
    make it out of _bfd_elf_find_nearest_line except in the case of DWARF
    functions without external linkage.

        PR 23652
        * dwarf2.c (_bfd_dwarf2_stash_syms): Break out of loop on finding
        matching section.
        (_bfd_dwarf2_find_nearest_line): Return an int, with value 2 when
        returning info from the symbol table.  Do the _bfd_elf_find_function
        search also when !found.  Call _bfd_dwarf2_stash_syms regardless of
        * elf64-alpha.c (elf64_alpha_find_nearest_line): Accept dwarf2
        result of 1 only.
        * elfxx-mips.c (_bfd_mips_elf_find_nearest_line): Likewise.
        * libbfd-in.h (_bfd_dwarf2_find_nearest_line): Update prototype.
        * libbfd.h: Regenerate.

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