* cris/Makefile.in (CONFIG_DEVICES): Remove redundant setting.
(dv-cris.o, dv-rv.o rvdummy$(EXEEXT), rvdummy.o): New rules.
(all): Depend on rvdummy$(EXEEXT).
* cris/configure.ac: Call SIM_AC_OPTION_WARNINGS. Check for
sys/socket.h and sys/select.h. Call SIM_AC_OPTION_HARDWARE,
default off.
* cris/configure: Regenerate.
* cris/cris-sim.h (cris_have_900000xxif): Declare here.
(enum cris_interrupt_type, crisv10deliver_interrupt)
(crisv32deliver_interrupt: New declarations.
* cris/cris-tmpl.c [WITH_HW] (MY (f_model_insn_after)): Call
sim_events_tickn and set state-events member work_pending when it's
time for the next event.
[WITH_HW] (MY (f_specific_init)): Set CPU-model-specific
interrupt-delivery function.
* cris/crisv10f.c (MY (deliver_interrupt)): New function.
* cris/crisv32f.c (MY (deliver_interrupt)): New function.
* cris/devices.c: Include hw-device.h.
(device_io_read_buffer) [WITH_HW]: Call hw_io_read_buffer.
(device_io_write_buffer): Only perform 0x900000xx-functions if
cris_have_900000xxif is nonzero. Else if WITH_HW defined,
call hw_io_write_buffer. Add return 0 last in function.
* cris/sim-if.c (cris_have_900000xxif): Now global.
(sim_open) [WITH_HW]: Clear deliver_interrupt cpu member.
Force "-model" option, effectively.
* cris/sim-main.h (cris_interrupt_delivery_fn): New type.
(struct _sim_cpu) [WITH_HW]: New member deliver_interrupt.
* value.h (struct internalvar): Add field 'endian'.
* value.c (lookup_internalvar): Initialise endian.
(value_of_internalvar): Flip the endian of built-in types if required.
(set_internalvar): Set the endian.
(show_convenience): Access the value through value_of_internalvar().
(check_for_thread_db): New function, split out from
thread_db_new_objfile. Remove dead check for active
thread_db on inapplicable targets.
(thread_db_new_objfile): Call check_for_thread_db.
* Makefile.in (linux-thread-db.o): Update.
* linux-nat.c (child_post_attach): Call check_for_thread_db.
(linux_child_post_startup_inferior): Likewise.
(lin_lwp_attach_lwp): Call target_post_attach instead of
child_post_attach.
* linux-nat.h (check_for_thread_db): New prototype.
(init_remote_state): Initialize the new fields.
(get_memory_packet_size): Update BUF and BUF_SIZE if necessary.
(set_thread, remote_thread_alive, remote_unpack_thread_info_response)
(remote_get_threadinfo, parse_threadlist_response)
(remote_get_threadlist, remote_current_thread, remote_threads_info)
(remote_threads_extra_info, extended_remote_restart, get_offsets)
(remote_check_symbols, remote_open_1, remote_detach)
(remove_vcont_probe, remote_vcont_resume, remote_resume)
(remote_wait, remote_async_wait, fetch_register_using_p)
(remote_fetch_registers, store_register_using_P)
(remote_store_registers, check_binary_download, remote_write_bytes)
(remote_read_bytes, remote_insert_breakpoint)
(remote_remove_breakpoint, remote_insert_watchpoint)
(remote_remove_watchpoint, remote_insert_hw_breakpoint)
(remote_remove_hw_breakpoint, compare_sections_command)
(remote_xfer_partial, remote_rcmd, packet_command)
(remote_get_thread_local_address): Use the global incoming buffer
instead of alloca or xmalloc. Limit outgoing packets to
rs->remote_packet_size and incoming packets to rs->buf_size.
Update calls to getpkt and remote_send.
(remote_send): Take arguments by reference.
(putpkt_binary): Eliminate junkbuf. Use skip_frame.
(skip_frame): New function.
(read_frame): Take arguments by reference. Expand the packet
buffer instead of issuing an error.
(getpkt, getpkt_sane): Take arguments by reference.
* remote.h (getpkt): Update prototype and doc.
* tracepoint.c (remote_get_noisy_reply): Take arguments by
reference.
(target_buf): Change from array to pointer.
(target_buf_size): New variable.
(remote_set_transparent_ranges): Update call to getpkt.
(trace_start_command, trace_stop_command, trace_status_command):
Update calls to remote_get_noisy_reply.
(finish_tfind_command): Take arguments by reference.
(trace_find_command, trace_find_pc_command)
(trace_find_tracepoint_command, trace_find_line_command):
(trace_find_range_command, trace_find_outside_command): Update
calls to finish_tfind_command.
(_initialize_tracepoint): Initialize target_buf_size and target_buf.
* hppa-tdep.c (hppa_find_unwind_entry_in_block): New.
(hppa_frame_cache): Use new function to find unwind entry.
(hppa_frame_this_id): Likewise.
(hppa_frame_unwind_sniffer): Likewise.
