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

[binutils-gdb.git] / gdb / ChangeLog

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+2011-05-06  Sergio Durigan Junior  <sergiodj@linux.vnet.ibm.com>
+           Thiago Jung Bauermann  <bauerman@br.ibm.com>
+
+       Implement support for PowerPC BookE masked watchpoints.
+       * 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.
+
 2011-05-06  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
        PR 12573