linux.h (IA64_GATE_AREA_END): Increase by 64K.
* config/ia64/linux.h (IA64_GATE_AREA_END): Increase by 64K.
(MD_FALLBACK_FRAME_STATE_FOR): Set fpsr_loc, br_loc[6] and
br_loc[7]. Update comment.
(MD_HANDLE_UNWABI): Define.
* config/ia64/unwind-ia64.c (struct unw_state_record): Add
unwabi field.
(struct _Unwind_Context): Increase br_loc array size to 8 entries.
(desc_abi): Set unwabi.
(uw_update_reg_address): Allow br up to 7.
(uw_update_context): Invoke MD_HANDLE_UNWABI if defined.
(uw_install_context): Load b1..b5 from correct locations.
Fix insn loading ar.fpsr.
* doc/tm.texi: Document MD_HANDLE_UNWABI.
* g++.dg/eh/ia64-1.C: New test.
From-SVN: r74575