Fix indexing issue for catch-clauses.

ttypeIndex should be a signed 1-based index into the table of catch-clauses.

Signed-off-by: Jonathan Roelofs <jonathan@codesourcery.com>
Another catch-clause fix.

ARM differs from the Itanium-ABI here in that its catch clauses are made of the relocations themselves, rather than indices into the types table.

Signed-off-by: Jonathan Roelofs <jonathan@codesourcery.com>
Appease the binutils assembler.

Signed-off-by: Jonathan Roelofs <jonathan@codesourcery.com>
Fix botched patch application
Fix another patch mishap
Fix another catch-clause TypeInfo lookup issue
Make AbstractUnwindCursor's destructor virtual
Add citation for Itanium-ABI catch-clause lookup
Add citation for ARM catch-clause lookup
Merge pull request #49 from jroelofs/use-libc++abi

Fixes for catch-clause & type-info lookups.