[PATCH 2/4] Hardware accelerated watchpoint conditions

[Thiago Jung Bauermann]

On Wed, 2010-07-07 at 14:24 +0200, Ulrich Weigand wrote:
> Thiago Jung Bauermann wrote:
> 
> > 2010-07-06  Sergio Durigan Junior  <sergiodj@linux.vnet.ibm.com>
> > 	    Thiago Jung Bauermann  <bauerman@br.ibm.com>
> > 
> > 	* breakpoint.c (fetch_watchpoint_value): Rename to fetch_subexp_value
> > 	and move to eval.c.  Change callers.
> > 	(insert_bp_location): Pass watchpoint condition in
> > 	target_insert_watchpoint.
> > 	(remove_breakpoint_1) Pass watchpoint condition in
> > 	target_remove_watchpoint.
> > 	(watchpoint_locations_match): Call
> > 	target_can_accel_watchpoint_condition.
> > 	* eval.c: Include wrapper.h.
> > 	(fetch_subexp_value): Moved from breakpoint.c.
> > 	* ppc-linux-nat.c (ppc_linux_region_ok_for_hw_watchpoint):
> > 	Formatting fix.
> > 	(can_use_watchpoint_cond_accel): New function.
> > 	(calculate_dvc): Likewise.
> > 	(num_memory_accesses): Likewise.
> > 	(check_condition): Likewise.
> > 	(ppc_linux_can_accel_watchpoint_condition): Likewise
> > 	(ppc_linux_insert_watchpoint): Call can_use_watchpoint_cond_accel,
> > 	check_condition and calculate_dvc.
> > 	(ppc_linux_remove_watchpoint): Likewise.
> > 	(_initialize_ppc_linux_nat): Set to_can_accel_watchpoint_condition to
> > 	ppc_linux_can_accel_watchpoint_condition
> > 	* target.c (debug_to_insert_watchpoint): Add argument for watchpoint
> > 	condition.
> > 	(debug_to_remove_watchpoint): Likewise.
> > 	(debug_to_can_accel_watchpoint_condition): New function.
> > 	(update_current_target): Set to_can_accel_watchpoint_condition.
> > 	(setup_target_debug): Set to_can_accel_watchpoint_condition.
> > 	* target.h: Add opaque declaration for struct expression.
> > 	(struct target_ops) <to_insert_watchpoint>,
> > 	<to_remove_watchpoint>: Add new arguments to pass the watchpoint
> > 	<to_can_accel_watchpoint_condition>: New member.
> > 	condition.  Update all callers and implementations.
> > 	(target_can_accel_watchpoint_condition): New macro.
> > 	* value.c (free_value_chain): New function.
> > 	* value.h (fetch_subexp_value): New prototype.
> > 	(free_value_chain): Likewise.
> 
> This is OK.

Committed, thanks!