[Bug binutils/31734] [binutils, readelf] dwarf4 .debug_str_offsets section printed incorrectly

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31734

--- Comment #5 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7e4f1f4bc7ffe26524a6eb0685bd22863cdfde1e

commit 7e4f1f4bc7ffe26524a6eb0685bd22863cdfde1e
Author: Tom de Vries <tdevries@suse.de>
Date:   Wed May 15 09:45:55 2024 +0200

    [binutils/readelf] Fix printing of dwarf4 .debug_str_offsets.dwo

    When compiling a hello world with dwarf4 split dwarf:
    ...
    $ gcc -gdwarf-4 -gsplit-dwarf hello.c -save-temps -dA
    ...
    we have in a-hello.s these three initial entries in .debug_str_offsets:
    ...
            .section        .debug_str_offsets.dwo,"e",@progbits
            .4byte  0       // indexed string 0x0: short int
            .4byte  0xa     // indexed string 0x1: /home/vries/binutils
            .4byte  0x1f    // indexed string 0x2: main
    ...
    but "readelf -ws a.out" starts at the third entry:
    ...
    Contents of the .debug_str_offsets.dwo section (loaded from a-hello.dwo):

        Length: 0x30
           Index   Offset [String]
               0 00000000  main
    ...

    This is a regression since commit 407115429b3 ("Modified changes for
    split-dwarf and dwarf-5."), which introduced a variable
    debug_str_offsets_hdr_len in display_debug_str_offsets.

    Fix this by setting display_debug_str_offsets to 0 for the dwarf4 case.

    PR 31734

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