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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/29558] [gdb/symtab] Handle gas-generated debug info
 (DW_TAG_unspecified_type)
Date: Thu, 08 Sep 2022 08:46:02 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29558

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nickc at redhat dot com

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
Debug info looks like:
...
  Compilation Unit @ offset 0xf4:
   Length:        0x35 (32-bit)
   Version:       5
   Unit Type:     DW_UT_compile (1)
   Abbrev Offset: 0xa3
   Pointer Size:  8
 <0><100>: Abbrev Number: 3 (DW_TAG_unspecified_type)
 <0><101>: Abbrev Number: 1 (DW_TAG_compile_unit)
    <102>   DW_AT_stmt_list   : 0x123
    <106>   DW_AT_low_pc      : 0x4004ac
    <10e>   DW_AT_high_pc     : 11
    <10f>   DW_AT_name        : test2.s
    <113>   DW_AT_comp_dir    : /home/vries/gdb_versions/devel
    <117>   DW_AT_producer    : GNU AS 2.39.50
    <11b>   DW_AT_language    : 32769   (MIPS assembler)
 <1><11d>: Abbrev Number: 2 (DW_TAG_subprogram)
    <11e>   DW_AT_name        : (indirect string, offset: 0x241): foo
    <122>   DW_AT_external    : 1
    <122>   DW_AT_type        : <0x100>
    <123>   DW_AT_low_pc      : 0x4004ac
    <12b>   DW_AT_high_pc     : 11
...

OK, that looks highly unregular, the DW_TAG_unspecified_type die as a top-l=
evel
DIE.

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