Re: [PATCH 2/4] Hardware accelerated watchpoint conditions

["Ulrich Weigand" <uweigand@de.ibm.com>]

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.

Thanks,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU Toolchain for Linux on System z and Cell BE
  Ulrich.Weigand@de.ibm.com