[RFA] dwarf2-frame.c sign extension patch

[Martin M. Hunt]

This patch fixes some dwarf2 problems with sign-extension. 

2004-07-20  Kevin Buettner and Martin Hunt  <hunt@redhat.com>
  
        * dwarf2-frame.c (execute_cfa_program): Fix typo in which the
        alignment was being added to the offset instead of multiplied.

        (struct comp_unit): Add new field ``signed_addr_p''.

        (encoding_for_size): Add new parameter ``signed_addr_p''. 
	Adjust all callers.  Add code for handling signed encodings.

        (dwarf2_build_frame_info): Initialize ``unit.signed_addr_p''.

        (dwarf2_build_frame_info): Set unit.addr_size.

-- 
Martin M. Hunt <hunt@redhat.com>
Red Hat Inc.
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