[Bug symtab/32658] GDB sometimes fails parsing debug information

["qqxnjvamvxwx at dyxyl dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=32658

Martin Simmons <qqxnjvamvxwx at dyxyl dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |qqxnjvamvxwx at dyxyl dot com

--- Comment #3 from Martin Simmons <qqxnjvamvxwx at dyxyl dot com> ---
Created attachment 15974
  --> https://sourceware.org/bugzilla/attachment.cgi?id=15974&action=edit
Patch to make arange parsing work with signed addresses

The new DWARF indexer parses the .debug_aranges section for line number
information (it looks like previously line number information was read from
some other section).

The problem is that the parser doesn't sign extend the addresses on 32-bit
MIPS, which prevents them from matching during the lookup.  It would work with
addresses less than 2^31.

The attached gdb-signed-aranges.patch fixes the problem with test-gdb.elf at
least.

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