changelog

gdb-6.0 linux 下的调试工具

 	processors.

	* emul_chirp.c: Add description.
	* emul_bugapi.c: Ditto.
	* emul_unix.c: Ditto.
	* emul_netbsd.c: Ditto.

Fri Nov 29 11:12:22 1996  Andrew Cagney  <[e-mail]>

	* hw_pal.c (hw_pal_attach_address): New function, if an attach is
 	encountered, assume that it is the single disk.
	* hw_pal.c: Add generic device/size decode methods.
	
	* hw_nvram.c (hw_nvram_init_address): Use the first nonzero reg
 	property entry when determining the nvram size.

	* hw_core.c: Add generic address/size decode methods.

	* emul_chirp.c (emul_chirp_instruction_call): Return and trace
 	nonzero status from client functions.

	* main.c (error): Always include a cariage return when writing out
	errors.

Wed Nov 20 00:36:55 1996  Doug Evans  <[e-mail]>

	* sim_calls.c (sim_resume): Reset sim_should_run if single
 	stepping.

Thu Nov 28 13:19:46 1996  Andrew Cagney  <[e-mail]>

	* emul_bugapi.c (emul_bugapi_do_diskio): Add support for multiple
 	optional disks.

	* emul_generic.c (emul_add_tree_hardware): Drop the dummy eeprom.
  	Attach the pal - for I/O - as a pseudo device haning from the
 	firmware sub tree.

	* emul_bugapi.c (emul_bugapi_create): Add a small memory device to
 	the device tree at the address of the hi-mem interrupt vector
 	addreses.  Used by bugapi to establish its trap instructions.
	
	* debug.h: Add a new macro DITRACE for tracing device instances.
	
	* debug.h: Extend the DTRACE macro so that it can also tests for
 	device specific tracint.
	
	* device.h, device.c (device_trace): Add method to determine
 	device specific tracing.
	(device_init_address): Set the devices tracing level.
	
Thu Nov 21 12:05:32 1996  Andrew Cagney  <[e-mail]>

	* tree.h, tree.c (tree_device): New files - separate out the
 	device parser and other tree operations from the device.
	
	* inline.h, inline.c (INLINE_TREE): Add.
	* device.h, device.c (device_tree_add_parsed): Delete.
	* Makefile.in (tree.c): Add rules for new file.
	* Makefile.in: Better order the emul_* files.
	
	* emul_generic.c (emul_add_tree_hardware): Update.
	* emul_netbsd.c (emul_netbsd_create): Update.
	* emul_unix.c (emul_unix_create): Ditto.
	* emul_chirp.c (emul_chirp_create): Ditto.
	* emul_bugapi.c (emul_bugapi_create): Ditto.
	* psim.c (psim_tree): Ditto.
	* hw_init.c: Ditto.
	
	* emul_generic.h: Include tree.h
	* Makefile.in: Add to EMUL_GENERIC_H dependencies.
	
	* device.h, device.c (device_root): New function - returns the
 	root of the tree.
	* corefile.c: Use.
	
	* device.h, device.c (device_clean): New function, clean up device
 	ready for next simulation run. This includes things like deleting
 	interrupt edges and properties created during the simulation and
 	also scrubbing any pre-defined properties.
	* tree.c (tree_init): Use.
	
	* device.h, device.c (device_init_static_properties): New
 	function.  Initialize any static predefined properties.  By static
 	we mean those that have values that can be determined before the
 	device tree initialization has started.
	* tree.c (tree_init): Use.

	* device.h, device.c (device_init_address): Add code to
 	check/verify the devices #address-cells and #size-cells.
	(device_add_integer_property): Delete corresponding code.
	(device_nr_address_cells, device_nr_data_cells): Check for
	property when returning value.
	
	* device.h, device.c (device_init_runtime_properties): New
 	function.  Initialize those properties that are not `static'.  At
 	present the only such property is the ihandle.
	* tree.c (tree_init): Use.
	
	* device.h, device.c (reg, ranges): Rework these so that they use
 	an array of the fundamental type - single reg or single range
 	entry.
	
	* device.h, device.c (device_add_ihandle_runtime_property):
 	Re-implement the adding of an ihandle during tree construction so
 	that it better fits in with device initialization.
	
Thu Nov 21 12:05:32 1996  Andrew Cagney  <[e-mail]>

	* device.h, device.c (device_ioctl): Add additional argument -
 	request - so that the caller must always specify the type of
 	the ioctl request.

	* device_table.h: Update.
	* hw_trace.c (hw_trace_ioctl): Ditto.
	* hw_vm.c (hw_vm_ioctl_callback): Ditto.
	* hw_init.c (hw_stack_ioctl_callback): Ditto.
	* psim.c (psim_options): Ditto.
	
Thu Nov 21 12:05:32 1996  Andrew Cagney  <[e-mail]>
	
	* BUGS: Updated a bit.

Wed Nov 20 14:06:37 1996  Andrew Cagney  <[e-mail]>

	* hw_opic.c: Finish - third round.

Wed Nov 20 12:02:08 1996  Andrew Cagney  <[e-mail]>

	* hw_glue.c (hw_glue_io_read_buffer_callback): Fix miscalc of glue
 	reg index.
	(hw_glue_io_write_buffer_callback): Ditto.

Tue Nov 19 21:17:08 1996  Andrew Cagney  <[e-mail]>

	* events.c (event_queue_process): Was incorrectly consuming future
 	events on the queue when they should be left alone.

	* debug.h, debug.c (events): Add support for event queue tracing.
	* events.c: Add event tracing.
	
	* debug.h, debug.c: Order device trace options.
	
Fri Nov 15 15:23:39 1996  Michael Meissner  <[e-mail]>

	* pk_disklabel.c (pk_disklabel_create_instance): Fix up some
	warnings generated by GCC.

Sun Nov 17 17:59:14 1996  Andrew Cagney  <[e-mail]>

	* sim-endian.h: Add LE versions of byte swap macros.  Needed for
 	PCI devices which are little-endian.
	
	* sim-endian-n.h (endian_le2h_N, endian_h2le_N): Ditto

Sun Nov 17 17:59:14 1996  Andrew Cagney  <[e-mail]>

	* hw_iobus.c (hw_iobus_attach_address_callback): Change the iobus
 	so that it is implementing a 1-1 address map.
	
	* emul_generic.c (emul_add_tree_hardware): Adjust.

	* emul_generic.c (emul_add_tree_hardware): Don't add the nvram as
 	a default.

Sun Nov 17 17:59:14 1996  Andrew Cagney  <[e-mail]>
	
	* device.c (split_find_device): Be tolerant of missing unit
 	addresses.

Fri Nov 15 16:49:49 1996  Andrew Cagney  <[e-mail]>

	* basics.h (port_direction): New type, specify the direction of
 	any `port'.
	
	* device.h, device.c (device_interrupt_decode): Include
 	specification of port direction in operations.
 	(device_interrupt_encode): Ditto.
	
	* device_table.h: Add a direction field to the interrupt port
 	table.

	* device.c (device_tree_add_parsed): Specify port direction.
	
Thu Nov 14 21:38:13 1996  Andrew Cagney  <[e-mail]>

	* hw_opic.c: Finish - second round.

Thu Nov  7 00:18:59 1996  Andrew Cagney  <[e-mail]>

	* hw_htab.c (htab_init_data_callback): Allow the virtual-address
 	to be specified as an array which allows 64bit addresses.

	* device.c (device_find_integer_array_property): New function.
  	Simplify the querying of elements of an integer array.
	(device_add_integer_property, device_find_integer_property):
 	Update to correctly use the cell type.

	* vm.c (om_unpack_sr): Clarify shifting comment.
	(om_pte_0_masked_vsid): Ditto. Add 64bit version.

	* emul_chirp.c (emul_chirp_create): Initialize the segment
 	registers.

	* vm.c (om_effective_to_virtual): Trace segment register use.

	* hw_htab.c (htab_map_page): Print out the pteg base address to
 	simplify cross checking between vm and the htab.
	(htab_decode_hash_table): Use device_error instead of error.
	(htab_map_page): Ditto.
	(htab_dma_binary): Ditto.
	(htab_map_binary): Ditto.
	(htab_init_data_callback): Ditto.

Wed Nov  6 20:20:58 1996  Andrew Cagney  <[e-mail]>

	* interrupts.h: Clarify what the optional instruction program
 	interrupt is - a subset of illegal instruction program interrupt.

	* interrupts.c (program_interrupt): For UEA mode, clarify what an
 	optional instruction program interrupt is.
	(program_interrupt): For OEA mode, as per spec, generate an
 	illegal instruction program interrupt when an optional instruction
 	is encountered.
	
	* gen-semantics.c (print_semantic_body): Delete code
 	differentiating between an unimplemented floating point and normal
 	instruction.  Instead, such a case can be handled explicitly.

	* ppc-instructions (store floating-point as integer word indexed):
 	Mark as optional.
	(Floating Convert to Integer Doubleword): Make the floating point
 	assist interrupt explicit.
	(Floating Convert To Integer Doubleword with round towards Zero):
 	Ditto.
	(Floating Convert To Integer Word): Ditto
	(Move From FPSCR): Ditto.
	(Move to Condition Register from FPSCR): Ditto.
	(Move To FPSCR Fields): Ditto.
	(Move To FPSCR Field Immediate): Ditto.
	(Move To FPSCR Bit 0): Ditto.
	(Move To FPSCR Bit 1): Ditto.
	
Mon Nov  4 12:49:13 1996  Andrew Cagney  <[e-mail]>

	* corefile.c (core_map_read_buffer, core_map_write_buffer): Avoid
 	breaking up transfers.

	* corefile.c: Adjust arguments so that the client server
	relationship is clarified.
	
	* hw_glue.c (hw_glue_init_address): Update so it can be attached
 	to a PCI bus.

	* hw_disk.c (hw_disk_instance_write): Add more checks to disk IO -
 	looking for things like overflow/underflow.

Sun Nov  3 18:45:20 1996  Andrew Cagney  <[e-mail]>

	* emul_generic.c (emul_add_tree_hardware): Hang the disk off the
 	PAL device instead of the IOBUS.  The disk must be attached to a
 	logical bus.

	* hw_disk.c (hw_disk_init_address): Just use the unit address
 	directly in the attach - the rest isn't relevant.

Sat Nov  2 21:48:57 1996  Andrew Cagney  <[e-mail]>

	* configure.in (sim-hardware, sim-packages): Allow additional
 	hardware and packages to be prefixed as well as appended.

	* Makefile.in (tmp-hw, tmp-pk): Retain the user specified order of
 	packages when building them.  Consequently, a user can override a
 	standard device by prefixing their own version.
	
	* Makefile.in (hw_opic.o, hw_pci.o, hw_ide.o): Add dependencies.

Fri Nov  1 14:42:57 1996  Michael Meissner  <[e-mail]>

	* mon.c (_cpu_mon): Add fields for counting 1, 2, 4, and 8 byte
	reads and writes.
	(mon_{read,write}): Count 1, 2, 4, and 8 byte reads/writes.
	(mon_print_info): Correct typo regarding # of unaligned reads and
	writes.  Print out how many 1, 2, 4, and 8 byte reads/writes there
	are.

Tue Oct 29 17:55:43 1996  Michael Meissner  <[e-mail]>

	* configure.in (AC_CHECK_FUNCS): Add access.
	* config{.in,ure}: Regenerate.

	* emul_unix.c (do_unix_nop): System call that always succeeds.
	(do_unix_access): Support access system call.
	(solaris_descriptors): Make sigaltstack and sigaction nops.
	({solaris,linux}_descriptors): Add support for access.

Tue, 8 Oct 18:42:26 1996  Jason Molenda <[e-mail]>
        
	* Makefile.in (clean): Move config.log to distclean.

Fri Nov  1 16:44:28 1996  Andrew Cagney  <[e-mail]>

	* corefile-n.h (core_map_write_N): Improve abort messages.

	* device.h, device.c (device_attach_address): Remove unused name
 	parameter.
 	(device_detach_address): Ditto.
	* device_table.h, device_table.c: Update.
	* hw_iobus.c (hw_iobus_attach_address_callback): Ditto.
	* hw_nvram.c (hw_nvram_init_address): Ditto.
	* hw_memory.c (hw_memory_init_address): Ditto.
	* hw_vm.c (hw_vm_init_address_callback): Ditto.
	(hw_vm_attach_address): Ditto.
	(hw_vm_add_space): Ditto.
	* hw_init.c (update_for_binary_section): Ditto.
	* hw_core.c (hw_core_attach_address_callback): Ditto.

	* hw_iobus.c (hw_iobus_attach_address_callback): Rewrite to handle
 	configurable parent busses.

Wed Oct 30 18:46:32 1996  Andrew Cagney  <[e-mail]>

	* device_table.c (generic_device_size_to_attach_size): Provide
 	limited support for multi-cell sizes.
	(generic_device_address_to_attach_address): Ditto for addresses.

Tue Oct 29 02:01:29 1996  Andrew Cagney  <[e-mail]>

	* device.c (device_add_integer_property): Check for setting of
 	#address-cells and #size-cells properties.  For these, update the
 	corresponding device values.
	(device_nr_address_cells, device_nr_size_cells): Use the value
 	from the device instead of the property.

	* hw_core.c: Use generic address and size conversions for the top
 	bus.

	* hw_memory.c (hw_memory_init_address): Tolerate case where
 	#address and #size cells is greater than 1.

	* device.c (device_tree_print_device): Clean out printing of
 	properties.
	
	* device.c (split_device_specifier): Don't detect comments here -
 	"#" can be a valid prefix - eg #size-cells.

	* psim.c (psim_merge_device_file): Suppress comments and blank
 	lines here.

	* emul_generic.c (emul_add_tree_hardware): Fix typo of incorrect
 	pal unit address.  Add the property /#address-cells to the root of
 	the tree.

	* device.c (device_template_create_device): Check that the unit
 	address was successfully parsed.

	* device_table.c (generic_device_unit_decode): Rewrite to better
 	handle multi-cell addresses.
	(generic_device_unit_encode): Ditto.

	* emul_generic.c (emul_add_tree_