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List:       kde-bugs-dist
Subject:    [Bug 185801] exp-ptrcheck: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
From:       Tom Tromey <tromey () redhat ! com>
Date:       2011-05-19 14:21:10
Message-ID: 20110519142110.33D5987E46 () immanuel ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=185801


Tom Tromey <tromey@redhat.com> changed:

           What    |Removed                     |Added
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                 CC|                            |tromey@redhat.com




--- Comment #5 from Tom Tromey <tromey redhat com>  2011-05-19 16:21:05 ---
In the last year or two, GCC has started emitting many other
DWARF opcodes that it previously did not.
In addition to the DWARF 4 extensions (implicit_value and stack_value)
it can use some GNU extensions.  For the most part these are
documented; from gcc's include/dwarf2.h:

    /* The GNU implicit pointer extension.
       See http://www.dwarfstd.org/ShowIssue.php?issue=100831.1&type=open .  */
    DW_OP_GNU_implicit_pointer = 0xf2,
    /* The GNU entry value extension.
       See http://www.dwarfstd.org/ShowIssue.php?issue=100909.1&type=open .  */
    DW_OP_GNU_entry_value = 0xf3,
    /* The GNU typed stack extension.
       See http://www.dwarfstd.org/doc/040408.1.html .  */
    DW_OP_GNU_const_type = 0xf4,
    DW_OP_GNU_regval_type = 0xf5,
    DW_OP_GNU_deref_type = 0xf6,
    DW_OP_GNU_convert = 0xf7,
    DW_OP_GNU_reinterpret = 0xf9,

Test programs demonstrating these are in the GCC and GDB test suites.

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