Fix parsing .debug_aranges section for signed addresses.

Some architectures, such as MIPS, have signed addresses and this changes
read_addrmap_from_aranges to record them as signed when required.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=32658
Approved-By: Tom Tromey <tom@tromey.com>
1 file changed