changelog

gdb-6.0 linux 下的调试工具

	* device.c (device_create_instance_from): Explicitly add device
 	instances to the cap database.  Simplify create code.
	(device_instance_delete): Explicitly remove device instances from
 	the cap database.
	
	* device.c (device_create_from): Explicitly add a device to the
 	cap data base.
	
	* device.c (device_create_from): Always set the cap members.

	* hw_disk.c: Output the instance when tracing.
	
Sun Jan 19 16:44:29 1997  Andrew Cagney  <[e-mail]>

	* tree.c (split_device_specifier): Add support for aliases when
 	looking up a device. Now needs a device as an argument.
	(split_property_specifier): Ditto.

Sun Jan 19 15:28:23 1997  Andrew Cagney  <[e-mail]>

	* The memory "claim" and "release" methods take an address and
 	size as arguments.  These may be multi cell values. Initially fix
 	the memory code so that they check/detect this.  Leave the
 	adjustment of any clients to later.
	
	* hw_memory.c (hw_memory_instance_claim,
 	hw_memory_instance_release): Handle multi-cell memory devices.
	
	* hw_memory.c (hw_memory_instance_claim): Be tolerant towards the
 	release of memory regions that were not claimed.

Fri Jan 17 12:01:07 1997  Andrew Cagney  <[e-mail]>

	* device.h, device.c (device_instance_call_method): Correct return
 	type - can return either 0 or -1, hence should be a signed type.
	* device_table.h: Ditto.
	
	* hw_memory.c (hw_memory_instance_claim,
 	hw_memory_instance_release): Update.
	* hw_disk.c (hw_disk_max_transfer, hw_disk_block_size,
 	hw_disk_nr_blocks): Ditto.
	
Fri Jan 17 11:50:13 1997  Andrew Cagney  <[e-mail]>

	* emul_chirp.c (chirp_emul_claim): Implement using the "claim"
 	method belonging to "/chosen/memory".
	(chirm_emul_release): Ditto.
	
	* Makefile.in (LIB_INLINE_SRC): Remove emul_* from list of files
 	that are inlined.  These modules are called via a table and are
 	not made inline.

	* hw_init.c (update_for_binary_section): Fix failure to allocate
 	memory used by the binary in real-mode executions. If "claim"
 	property is present, allocate memory from the "/chosen/memory"
 	device.

	* emul_chirp.c (emul_chirp_create): Specify that memory should be
 	claimed when loading a real image.

	* hw_memory.c (hw_memory_instance_claim): Don't page align memory
 	allocations.

	* hw_memory.c (hw_memory_instance_release): Avoid infinite loop
 	when merging adjacent memory chunks.

Thu Jan 16 08:51:25 1997  Andrew Cagney  <[e-mail]>

	* vm.h (vm_data_map_read_buffer, vm_data_map_write_buffer): Add
 	optional PROCESSOR & CIA args so that this routine also abort an
 	access.

	* vm_n.h (vm_data_map_read_N, vm_data_map_write_N): For a
 	miss-aligned access when a transfer fails abort.
	
	* emul_bugapi.c (emul_bugapi_do_write): Use emul_read_buffer
 	instead of the vm_read_buffer.
	* emul_netbsd.c (do_write): Ditto.
	* emul_unix.c (do_unix_write): Ditto.

Wed Jan 15 14:38:25 1997  Andrew Cagney  <[e-mail]>

	* configure.in (--enable-sim-jump): Default is NULL and not -E.
	* configure: Regenerate.
	
	* basics.h (__attribute__): Enable attributes if GCC >= 2.6.
	(UNUSED): Only enable UNUSED if GCC >= 2.7.
	
	* gen-icache.c (print_icache_extraction): Print UNUSED macro
 	instead of explicit __unused__ attribute.
	(print_icache_body): Ditto.
	* idecode_expression.h (FPSCR_BEGIN): Use UNUSED.

Wed Jan 15 13:54:50 1997  Andrew Cagney  <[e-mail]>

	* cpu.h, cpu.c (cpu_synchronize_context): Add CIA argument as
 	reference point.

	* vm.c (vm_synchronize_context): Add PROCESSOR and CIA as
 	arguments so that there is a reference point for recovery.
	(vm_synchronize_context): Pass processor+cia for errors.
	(om_unpack_sr): Ditto.
	(om_unpack_srs): Ditto.
	* vm.c (vm_create): Review error messages.

	* vm.c: Include "cpu.h" so that cpu_error is visible.

	* ppc-instructions (Return From Interrupt): Pass CIA.
	(Instruction Synchronize): Ditto.
	* psim.c (psim_init): Ditto.

Wed Jan 15 12:25:11 1997  Andrew Cagney  <[e-mail]>

	* cpu.h, cpu.c (cpu_error): Aborts simulation with error message,
 	but also saves current processor state.
	
	* basics.h: Move #include <stdarg.h> to here from device_table.h.

	* interrupts.c (perform_oea_interrupt): Use.  No longer loose CIA
 	when simulation aborted.
	(program_interrupt): Ditto.
	(floating_point_unavailable_interrupt): Ditto.
	(alignment_interrupt): Ditto.
	(floating_point_assist_interrupt): Ditto.
	(perform_oea_interrupt): Ditto.
	(machine_check_interrupt): Ditto.

Tue Jan 14 12:19:10 1997  Andrew Cagney  <[e-mail]>

	* ppc-instructions (Move from Special Purpose Register): Support
 	move from DEC.

Mon Jan 13 16:58:12 1997  Andrew Cagney  <[e-mail]>

	* debug.h, debug.c: Add "interrupts" trace option.

	* interrupts.c (data_storage_interrupt): Add tracing.
	(machine_check_interrupt): Ditto.
	(instruction_storage_interrupt): Ditto.
	(alignment_interrupt): Ditto.
	(program_interrupt): Ditto.
	(floating_point_unavailable_interrupt): Ditto.
	(system_call_interrupt): Ditto.
	(floating_point_assist_interrupt): Ditto.
	(deliver_hardware_interrupt): Ditto.
	
	* interrupts.c (program_interrupt): For UEA mode, halt the
 	processor - so that the current state is saved - instead of
 	aborting.
	(floating_point_unavailable_interrupt): Ditto.
	(floating_point_assist_interrupt): Ditto.

Thu Jan  2 09:10:41 1997  Andrew Cagney  <[e-mail]>

	* interrupts.c (perform_oea_interrupt): Halt rather than abort on
 	a double interrupt.

Wed Jan  1 22:54:52 1997  Andrew Cagney  <[e-mail]>

	* ppc-instructions (Store Multiple Word, Load Multiple Word):
 	Enable.

	* tree.c (print_properties): For an array consider printing it out
 	as an integer array.

	* hw_memory.c (hw_memory_init_address): If an "available" property
 	is present, use that to initialize the available memory instead of
 	using the reg property.

	* emul_generic.c (emul_add_tree_hardware): Add "available"
 	property to memory device.

Fri Dec 20 13:19:07 1996  Andrew Cagney  <[e-mail]>

	* ppc-instructions (Rotate Left Word then AND with Mask): Enable.

	* device.c (device_instance_call_method): Was only looking at the
 	first method.

	* hw_disk.c (hw_disk_nr_blocks): Implement #blocks method.
	(hw_disk_block_size): Implement block-size method.
	(hw_disk_max_transfer): Implement max-transfer method.

	* hw_phb.c (hw_phb_init_address): Reinit the rest of the PHB.

	* emul_chirp.c (chirp_emul_instance_to_path): Recover from an
 	invalid ihandle.
	(chirp_emul_instance_to_package): Ditto.
	(chirp_emul_method): Ditto.
	(chirp_emul_read): Ditto.
	(chirp_emul_write): Ditto.
	(chirp_emul_close): Ditto.
	(chirp_emul_seek): Ditto.
	(chirp_emul_package_to_path): Ditto (for phandle).
	(chirp_emul_package_to_path): Return the length.

	* psim.c (psim_merge_device_file): Allow continuation lines.

Thu Dec 19 11:09:43 1996  Andrew Cagney  <[e-mail]>

	* emul_chirp.c (chirp_emul_boot): Implement. Well report the new
 	string and exit.
	
	* emul_chirp.c (chirp_emul_exit): Correct type of args struct
 	members - *_cell not host dependant int.

Wed Dec 18 17:49:59 1996  Andrew Cagney  <[e-mail]>

	* interrupts.c (perform_oea_interrupt): Print additional
 	information if a double interrupt is encountered.

Wed Dec 18 17:49:59 1996  Andrew Cagney  <[e-mail]>
	
	* psim.c (psim_merge_device_file): Tolerate an incorrect file-name
 	being specified with the -f option.
	(psim_merge_device_file): Correct check for end of string.

Wed Dec 18 17:49:59 1996  Andrew Cagney  <[e-mail]>
	
	* emul_chirp.c (chirp_emul_peer): Was falling off the end of the
 	list of devices. Return zero to the client instead.
	* emul_chirp.c (chirp_emul_child): Ditto
	* emul_chirp.c (chirp_emul_parent): Ditto

	* device.c (device_root): Assert assumption about the device being
 	valid.

Tue Dec 17 15:12:38 1996  Andrew Cagney  <[e-mail]>

	* emul_chirp.c (emul_chirp_create): Add description property to
 	each significant node in the device tree.
	* emul_bugapi.c (emul_bugapi_create): Ditto.

Fri Dec 13 14:30:31 1996  Andrew Cagney  <[e-mail]>

	* main.c (sim_io_read_stdin): For a single byte STDIO read, use a
 	tempoary two byte buffer.  Single byte read with fgets will not
 	work.
	* main.c: Include errno.h.
	(sim_io_read_stdin): For non-STDIO, make it work.

	* emul_chirp.c (chirp_emul_read): Return the correct error status.

Fri Dec 13 14:30:31 1996  Andrew Cagney  <[e-mail]>

	* std-config.h (WITH_STDIO): Don't hard-wire the STDIO mechanism.
  	Instead have each emulation default it to DO_USE_STDIO.

	* emul_generic.c (emul_add_tree_options): Select the STDIO I/O
 	mechanism as the default if enabled or if nothing selected.

	* sim_calls.c (sim_io_read_stdin): Passify GCC's desire for a
 	return value.
	(sim_io_write_stdout): Ditto.
	(sim_io_write_stderr): Ditto.
	* main.c (sim_io_write_stdout): Ditto.
	(sim_io_write_stderr): Ditto.
	(sim_io_read_stdin): Ditto.

Tue Dec 10 10:31:48 1996  Michael Meissner  <[e-mail]>

	* emul_chirp.c (emul_chirp_instruction_call): Make *printf calls
	type correct.
	* vm.c (om_effective_to_virtual): Ditto.
	* events.c (event_queue_schedule{,_after_signal}): Ditto.
	(event_queue_{deschedule,process}): Ditto.
	* hw_htab.c (htab_decode_hash_table): Ditto.
	(htab_map_{page,binary}): Ditto.
	* hw_opic.c (hw_opic_init_data): Ditto.
	(handle_interrupt): Ditto.
	(do_processor_init_register_{read,write}): Ditto.
	(write_vector_priority_register): Ditto.
	({read,write}_destination_register): Ditto.
	(do_suprious_vector_register_{read,write}): Ditto.
	(do_current_task_priority_register_N_{read,write}): Ditto.
	(do_timer_frequency_reporting_register_{read,write}): Ditto.
	(do_timer_N_{current,base}_count_register_{read,write}): Ditto.
	(do_ipi_N_dispatch_register_write): Ditto.
	(do_vendor_identification_register_read): Ditto.
	(do_feature_reporting_register_N_read): Ditto.
	(do_global_configuration_register_N_{read,write}): Ditto.
	* hw_phb.c (hw_phb_attach_address): Ditto.
	(hw_phb_unit_decode): Ditto.
	(hw_phb_address_to_attach_address): Ditto.
	(hw_phb_io_{read,write}_buffer): Ditto.
	* hw_ide.c (setup_fifo): Ditto.

	* sim_calls.c ({defs,callback,remote-sim}.h): Find gdb include
	files via -I<dir> instead of using "../../gdb/" prefixes.

Tue Dec 10 10:12:44 1996  Andrew Cagney  <[e-mail]>

	* debug.h: Add tracing for the pal device.
	* hw_pal.c: Update.

	* emul_chirp.c (chirp_emul_getprop): More tracing.

Tue Dec 10 10:12:44 1996  Andrew Cagney  <[e-mail]>

	* device.h, device.c (device_find_ihandle_runtime_property): New
 	function. Reverse of add_ihandle_runtime property.
	(device_init_runtime_properties): Use it.
	
	* device.c (find_property_entry): New function returns the
 	internal property spec.
	(device_set_property): Use.
	(device_find_property): Use.

Tue Dec 10 10:12:44 1996  Andrew Cagney  <[e-mail]>

	* psim.c (psim_merge_device_file): Strip newline from device
 	specs.
	
Tue Dec 10 10:12:44 1996  Andrew Cagney  <[e-mail]>

	* hw_htab.c (htab_map_binary): For overlapping text / data maps
 	merge the two.  Also check that the merge is safe.

	* emul_chirp.c (emul_chirp_create): Add a description property to
 	the pte's so that they are easier to identify.
	
	(emul_chirp_create): Don't specify a load address for the CHRP
 	image.  Always use the values specified by the executable.

	* hw_htab.c (htab_map_page): Abort if a duplicate map is
 	encountered.

Mon Dec  9 12:08:46 1996  Andrew Cagney  <[e-mail]>

	* hw_htab.c (htab_map_page): Formatting.

	* emul_chirp.c (emul_chirp_instruction_call): Check for a NULL
 	method name when handling the client call. Also check for other
 	bad call arguments.
	
	* emul_chirp.c (emul_chirp_create): Allow real-mode?, real-base,
 	etc to be overriden.

Mon Dec  9 12:08:46 1996  Andrew Cagney  <[e-mail]>

	* os_emul.c (os_emul_create): Use tree find property instead of
 	device find property - sigh.

Thu Dec  5 10:46:42 1996  Andrew Cagney  <[e-mail]>

	* 961205: Release snapshot 961205.
	
Thu Dec  5 10:46:42 1996  Andrew Cagney  <[e-mail]>

	* configure.in (hostbitsize, bitsize): Fix typo in error message -
 	cannot contain a comma.
	(sim-warnings): Check for more potential errors.

	* psim.c (psim_usage): Add -f <file> option.  Specifies a file
 	containing device tree specifications that should be merged into
 	the device tree.

	* configure.in: Sort options.
	* configure: Rebuild
	
Wed Dec  4 13:57:31 1996  Andrew Cagney  <[e-mail]>

	* psim.c (psim_usage): Add -n option - specify number of