Make hardware watchpoints work for process record.

        * breakpoint.c (hardware_watchpoint_inserted_in_range): New.
	* breakpoint.h (hardware_watchpoint_inserted_in_range): Declare.
	* record.c (record_beneath_to_stopped_by_watchpoint)
	(record_beneath_to_stopped_data_address, record_hw_watchpoint):
	New globals.
	(record_exec_insn): Check for watchpoint hits.
	(tmp_to_stopped_by_watchpoint, tmp_to_stopped_data_address): New
	globals.
	(record_open): Set tmp_to_stopped_by_watchpoint,
	tmp_to_stopped_data_address,
	record_beneath_to_stopped_by_watchpoint and
	record_beneath_to_stopped_data_address.
	(record_wait): Report watchpoint hits to the core.  Update and
	extend comments.
	(record_stopped_by_watchpoint): New.
	(record_stopped_data_address): New.
	(init_record_ops): Install them.
	(init_record_core_ops): Ditto.

1 files changed, 6 insertions, 0 deletions

diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index 6587407..5ebd36c 100644
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -736,6 +736,12 @@ extern int regular_breakpoint_inserted_here_p (struct address_space *, CORE_ADDR
 
 extern int software_breakpoint_inserted_here_p (struct address_space *, CORE_ADDR);
 
+/* Returns true if there's a hardware watchpoint or access watchpoint
+   inserted in the range defined by ADDR and LEN.  */
+extern int hardware_watchpoint_inserted_in_range (struct address_space *,
+						  CORE_ADDR addr,
+						  ULONGEST len);
+
 extern int breakpoint_thread_match (struct address_space *, CORE_ADDR, ptid_t);
 
 extern void until_break_command (char *, int, int);