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From: "mark at klomp dot org" <sourceware-bugzilla@sourceware.org>
To: dwz@sourceware.org
Subject: [Bug default/27463] [dwz] Unhandled DW_FORM_sdata for DW_AT_decl_line
Date: Fri, 26 Feb 2021 16:58:21 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27463

Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #2 from Mark Wielaard <mark at klomp dot org> ---
commit 4ac908446df75cec7eb8d52399ed58da59120787 (HEAD -> master, origin/mas=
ter,
origin/HEAD, decl_sdata)
Author: Mark Wielaard <mark@klomp.org>
Date:   Fri Feb 26 15:38:58 2021 +0100

    PR27463 Accept DW_FORM_sdata for DW_AT_decl/call_file

    Using DW_FORM_sdata for DW_AT_decl/call_file is somewhat inefficient
    since file index numbers are always positive values. But it is a valid
    form to encode a constant value. Accept DW_FORM_sdata as long as it
    encodes a positive value. Extend the positive value check to
    DW_FORM_implicit_const.

            * dwz.c (checksum_die): Accept DW_FORM_sdata for
            DW_AT_decl/call_file as long as the value is positive. Also
            check DW_FORM_implicit_const value is positive for these
            attributes.
            (die_eq_1): Handle DW_FORM_sdata for DW_AT_decl/call_file.
            (build_abbrevs_for_die): Likewise.
            (write_die): Likewise.
            * testsuite/dwz.tests/pr27463.sh: New test.
            * testsuite/lib/unavailable-dwarf-piece.exp: New testfile
            from gdb.
            * testsuite/dwz.tests/dwz-tests.exp: Add unavailable-dwarf-piece
            for pr25109.sh.
            * testsuite/dwz.tests/main.c (foo): New function and labels.
            (bar): Likewise.
            * Makefile (TEST_EXECS_DWARF_ASM): Add unavailable-dwarf-piece.

    https://sourceware.org/bugzilla/show_bug.cgi?id=3D27463

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