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2010-07-07 Sergio Durigan Junior <sergiodj@linux.vnet.ibm.com>

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Thiago Jung Bauermann  <bauerman@br.ibm.com>

	Support for hw accelerated condition watchpoints in booke powerpc.

	* 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 commit is contained in:
Thiago Jung Bauermann
2010-07-07 16:15:18 +00:00
parent 6bd3187468
commit 0cf6dd1543
18 changed files with 503 additions and 132 deletions
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6
gdb/value.h
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@@ -538,6 +538,10 @@ extern struct value *evaluate_subexp (struct type *expect_type,
extern struct value *evaluate_subexpression_type (struct expression *exp,
int subexp);
extern void fetch_subexp_value (struct expression *exp, int *pc,
struct value **valp, struct value **resultp,
struct value **val_chain);
extern char *extract_field_op (struct expression *exp, int *subexp);
extern struct value *evaluate_subexp_with_coercion (struct expression *,
@@ -635,6 +639,8 @@ extern void value_free (struct value *val);
extern void free_all_values (void);
extern void free_value_chain (struct value *v);
extern void release_value (struct value *val);
extern int record_latest_value (struct value *val);