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From: "marlenesanchez231+jaime at gmail dot com"
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Subject: [Bug symtab/27333] [dwarf-5] abort on unhandled DW_TAG_type_unit in
 process_psymtab_comp_unit
Date: Tue, 28 Sep 2021 00:48:38 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27333

Chris James <marlenesanchez231+jaime at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marlenesanchez231+jaime@gma
                   |                            |il.com

--- Comment #15 from Chris James <marlenesanchez231+jaime at gmail dot com>=
 ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3De77b0004dd11=
4d6ddf3bb92b521b2854341f3f85

commit e77b0004dd114d6ddf3bb92b521b2854341f3f85
Author: Tom de Vries <tdevries@suse.de>
Date:   Fri Feb 5 17:47:07 2021 +0100

    [gdb/symtab] Handle DW_TAG_type_unit in process_psymtab_comp_unit

    When running test-case gdb.cp/cpexprs-debug-types.exp with target board
    unix/gdb:debug_flags=3D-gdwarf-5, I run into:
    ...
    (gdb) file cpexprs-debug-types^M
    Reading symbols from cpexprs-debug-types...^M
    ERROR: Couldn't load cpexprs-debug-types into GDB (eof).
    ERROR: Couldn't send delete breakpoints to GDB.
    ERROR: GDB process no longer exists
    GDB process exited with wait status 23054 exp9 0 0 CHILDKILLED SIGABRT
SIGABRT
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   ...

    We're running into this abort in process_psymtab_comp_unit:
    ...
      switch (reader.comp_unit_die->tag)
        {
        case DW_TAG_compile_unit:
          this_cu->unit_type =3D DW_UT_compile;
          break;
        case DW_TAG_partial_unit:
          this_cu->unit_type =3D DW_UT_partial;
          break;
        default:
          abort ();
        }
    ...
    because reader.comp_unit_die->tag =3D=3D DW_TAG_type_unit.

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    Fix this by adding a DW_TAG_type_unit case.

    Tested on x86_64-linux.

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