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From: "gulsenenginar at aol dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug symtab/27333] [dwarf-5] abort on unhandled DW_TAG_type_unit in
 process_psymtab_comp_unit
Date: Sat, 09 Oct 2021 11:00:14 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27333

Gulsen Engin <gulsenenginar at aol dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |gulsenenginar at aol dot c=
om

--- Comment #16 from Gulsen Engin <gulsenenginar at aol dot com> ---
[gdb/symtab] Handle DW_TAG_type_unit in process_psymtab_comp_unit=20

    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
    ... https://www.webb-dev.co.uk/crypto/crypto-for-investing/

    We're running into this abort in process_psymtab_comp_unit:
    ...
      switch (reader.comp_unit_die->tag)=20
        {
        case DW_TAG_compile_unit:
          this_cu->unit_type =3D DW_UT_compile;
http://www.compilatori.com/tech/nvidia-and-samsung/
          break;
        case DW_TAG_partial_unit:
          this_cu->unit_type =3D DW_UT_partial;
http://www.acpirateradio.co.uk/tech/nvidia-and-samsung/
          break;
        default:
          abort (); http://www.logoarts.co.uk/tech/nvidia-and-samsung/=20
        }
    ...
    because reader.comp_unit_die->tag =3D=3D DW_TAG_type_unit.
     http://www.slipstone.co.uk/tech/nvidia-and-samsung/
    Fix this by adding a DW_TAG_type_unit case.

    Tested on x86_64-linux.

    gdb/ChangeLog: http://embermanchester.uk/tech/nvidia-and-samsung/
[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:
http://connstr.net/tech/nvidia-and-samsung/
    ...
    (gdb) file cpexprs-debug-types^M
    Reading symbols from cpexprs-debug-types...^M
http://joerg.li/tech/nvidia-and-samsung/
    ERROR: Couldn't load cpexprs-debug-types into GDB (eof).
    ERROR: Couldn't send delete breakpoints to GDB.
    ERROR: GDB process no longer exists
http://www.jopspeech.com/tech/nvidia-and-samsung/
    GDB process exited with wait status 23054 exp9 0 0 CHILDKILLED SIGABRT
SIGABRT
    ...

    We're running into this abort in process_psymtab_comp_unit:
http://www.wearelondonmade.com/tech/nvidia-and-samsung/
    ...
      switch (reader.comp_unit_die->tag)
        {
        case DW_TAG_compile_unit:
https://waytowhatsnext.com/technology/korean-technology/
          this_cu->unit_type =3D DW_UT_compile;
          break;
        case DW_TAG_partial_unit:
http://www.iu-bloomington.com/technology/miui13/
          this_cu->unit_type =3D DW_UT_partial;
          break;
        default:
          abort (); https://komiya-dental.com/technology/miui-13/
        }
    ...
    because reader.comp_unit_die->tag =3D=3D DW_TAG_type_unit.
    http://www-look-4.com/tech/nvidia-and-samsung/
    Fix this by adding a DW_TAG_type_unit case.

    Tested on x86_64-linux.
    https://www.webb-dev.co.uk/technology/grt-r910/
    gdb/ChangeLog:

--=20
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