On Wed 23 Dec 2009 22:31:06 Thiago Jung Bauermann wrote:
> Adds support for the following types of watchpoints:

This version incorporates all the feedback received so far.
-- 
[]'s
Thiago Jung Bauermann
IBM Linux Technology Center


2009-12-31  Sergio Durigan Junior  <sergiodj@linux.vnet.ibm.com>
	    Thiago Jung Bauermann  <bauerman@br.ibm.com>

	* breakpoint.c (update_watchpoint): Add variables to save/restore
	new fields for the new types of hardware breakpoints/watchpoints.
	Call target_hw_point_extra_slot_count.
	(insert_bp_location): Call the correct insertion method according
	to the type of the hardware watchpoint.
	(remove_breakpoint_1): Call the correct deletion method according
	to the type of the hardware watchpoint.
	(print_it_typical): Handle printing of masked watchpoints.
	(watchpoints_triggered): Handle the case of a hardware masked
	watchpoint trigger.
	(watchpoint_check): Handle the case of a hardware masked watchpoint
	trigger.
	(hw_watchpoint_used_count): Call target-specific function that will
	tell how many extra slots a hardware watchpoint needs.
	(mention): Mention masked watchpoints.
	(watch_command_1): Add a routine to check for the existence of the
	`mask' parameter when the user creates a watchpoint.
	(can_use_hardware_watchpoint): Add code to check if the memory
	that is going to be watched is big, i.e., it needs a hardware ranged
	watchpoint.
	(watch_range_command_1): New function.
	(watch_range_command): Ditto.
	(awatch_range_command): Ditto.
	(rwatch_range_command): Ditto.
	(_initialize_breakpoint): Register watch-range, awatch-range and
	rwatch-range commands.
	* breakpoint.h (struct bp_location) <ranged_hw_bp_length>,
	<hw_wp_mask>: New fields.
	(hw_point_flag) <HW_POINT_RANGED_WATCH>, <HW_POINT_MASKED_WATCH>: New values.
	* findcmd.c (parse_addr_range): New function.
	(parse_find_args): Call `parse_addr_range'.
	* i386-nat.c (i386_region_ok_for_watchpoint): Add `is_big_blob'
	parameter.
	* spu-multiarch.c (spu_region_ok_for_hw_watchpoint): Ditto.
	* ppc-linux-nat.c (ppc_linux_can_use_special_hw_point_p): Handle
	HW_POINT_RANGED_WATCH and HW_POINT_MASKED_WATCH cases.
	(ppc_linux_region_ok_for_hw_watchpoint): Add the `is_big_blob'
	parameter.
	(ppc_linux_insert_mask_watchpoint): New function.
	(ppc_linux_remove_mask_watchpoint): New function.
	(ppc_linux_insert_ranged_watchpoint): New function.
	(ppc_linux_remove_ranged_watchpoint): New function.
	(ppc_linux_hw_point_extra_slot_count): New function.
	(_initialize_ppc_linux_nat): Initialize to_insert_mask_watchpoint,
	to_remove_mask_watchpoint, to_insert_ranged_watchpoint,
	to_remove_ranged_watchpoint and hw_point_extra_slot_count.
	* target.c (default_region_ok_for_hw_watchpoint): Add `is_big_blob'
	parameter.
	(debug_to_region_ok_for_hw_watchpoint): Ditto.
	(update_current_target): Insert to_insert_mask_watchpoint,
	to_remove_mask_watchpoint, to_insert_ranged_watchpoint,
	to_remove_ranged_watchpoint  and to_hw_point_extra_slot_count.
	* target.h (struct target_ops <to_insert_mask_watchpoint>,
	<to_remove_mask_watchpoint>, <to_insert_ranged_watchpoint>,
	<to_remove_ranged_watchpoint> and <to_hw_point_extra_slot_count>): New
	callbacks.
	(target_region_ok_for_hw_watchpoint): Add `is_big_blob' parameter.
	(target_insert_mask_watchpoint): New define.
	(target_remove_mask_watchpoint): Ditto.
	(target_insert_ranged_watchpoint): New define.
	(target_remove_ranged_watchpoint): Ditto.
	(target_hw_point_extra_slot_count): Ditto.
	* value.h (parse_addr_range): Declare.