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2011-05-06 Sergio Durigan Junior <sergiodj@linux.vnet.ibm.com>

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

	Implement support for PowerPC BookE masked watchpoints.

gdb/
	* NEWS: Mention masked watchpoint support.  Create "Changed commands"
	section.
	* breakpoint.h (struct breakpoint_ops) <works_in_software_mode>: New
	method.  Initialize to NULL in all existing breakpoint_ops instances.
	(struct breakpoint) <hw_wp_mask>: New field.
	* breakpoint.c (is_masked_watchpoint): Add prototype.
	(update_watchpoint): Don't set b->val for masked watchpoints.  Call
	breakpoint's breakpoint_ops.works_in_software_mode if available.
	(watchpoints_triggered): Handle the case of a hardware masked
	watchpoint trigger.
	(watchpoint_check): Likewise.
	(works_in_software_mode_watchpoint): New function.
	(insert_masked_watchpoint, remove_masked_watchpoint)
	(resources_needed_masked_watchpoint)
	(works_in_software_mode_masked_watchpoint, print_it_masked_watchpoint)
	(print_one_detail_masked_watchpoint, print_mention_masked_watchpoint)
	(print_recreate_masked_watchpoint, is_masked_watchpoint): New
	functions.
	(masked_watchpoint_breakpoint_ops): New structure.
	(watch_command_1): Check for the existence of the `mask' parameter.
	Set b->ops according to the type of hardware watchpoint being created.
	* ppc-linux-nat.c (ppc_linux_insert_mask_watchpoint)
	(ppc_linux_remove_mask_watchpoint)
	(ppc_linux_masked_watch_num_registers): New functions.
	(_initialize_ppc_linux_nat): Initialize to_insert_mask_watchpoint,
	to_remove_mask_watchpoint and to_masked_watch_num_registers.
	* target.c (update_current_target): Mention to_insert_mask_watchpoint,
	to_remove_mask_watchpoint, and to_masked_watch_num_registers.
	(target_insert_mask_watchpoint, target_remove_mask_watchpoint)
	(target_masked_watch_num_registers): New functions.
	* target.h (struct target_ops) <to_insert_mask_watchpoint>,
	<to_remove_mask_watchpoint>, <to_masked_watch_num_registers>: New
	methods.
	(target_insert_mask_watchpoint, target_remove_mask_watchpoint)
	(target_masked_watch_num_registers): Add prototypes.

gdb/doc/
	* gdb.texinfo (Set Watchpoints): Document mask parameter.
	(PowerPC Embedded): Mention support of masked watchpoints.
This commit is contained in:
Thiago Jung Bauermann
2011-05-06 18:46:33 +00:00
parent d472a4264b
commit 9c06b0b428
10 changed files with 617 additions and 72 deletions
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3
gdb/ada-lang.c
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@@ -10950,6 +10950,7 @@ static struct breakpoint_ops catch_exception_breakpoint_ops =
NULL, /* remove */
NULL, /* breakpoint_hit */
NULL, /* resources_needed */
NULL, /* works_in_software_mode */
print_it_catch_exception,
print_one_catch_exception,
NULL, /* print_one_detail */
@@ -10990,6 +10991,7 @@ static struct breakpoint_ops catch_exception_unhandled_breakpoint_ops = {
NULL, /* remove */
NULL, /* breakpoint_hit */
NULL, /* resources_needed */
NULL, /* works_in_software_mode */
print_it_catch_exception_unhandled,
print_one_catch_exception_unhandled,
NULL, /* print_one_detail */
@@ -11028,6 +11030,7 @@ static struct breakpoint_ops catch_assert_breakpoint_ops = {
NULL, /* remove */
NULL, /* breakpoint_hit */
NULL, /* resources_needed */
NULL, /* works_in_software_mode */
print_it_catch_assert,
print_one_catch_assert,
NULL, /* print_one_detail */