add HAVE_CONTINUABLE_WATCHPOINT to target_ops

gdb/ChangeLog

@@ -1,3 +1,14 @@
+2003-02-24  Kris Warkentin  <kewarken@qnx.com>
+
+	* target.h: (HAVE_CONTINUABLE_WATCHPOINT): Define.
+	(target_ops): Add to_have_continuable_watchpoint.
+	* target.c (update_current_target): Add INHERIT line for
+	to_have_continuable_watchpoint.
+	* infrun.c: Remove HAVE_CONTINUABLE_WATCHPOINT defines.
+	* config/i386/nm-i386.h, config/i386/nm-i386sco5.h,
+	config/i386/nm-i386sol2.h, config/s390/nm-linux.h,
+	config/sparc/nm-sun4sol2.h: HAVE_CONTINUABLE_WATCHPOINT defined as 1.
+
 2003-02-24  Elena Zannoni  <ezannoni@redhat.com>
 
 	* MAINTAINERS (Core): Drop main.c and top.c. Clarify event loop

gdb/config/i386/nm-i386.h

@@ -93,7 +93,7 @@ extern int  i386_remove_hw_breakpoint (CORE_ADDR addr, void *shadow);
    one that caused the trap.  Therefore we don't need to step over it.
    But we do need to reset the status register to avoid another trap.  */
 
-#define HAVE_CONTINUABLE_WATCHPOINT
+#define HAVE_CONTINUABLE_WATCHPOINT 1
 
 #define STOPPED_BY_WATCHPOINT(W)       (i386_stopped_data_address () != 0)
 

gdb/config/i386/nm-i386sco5.h

@@ -63,7 +63,7 @@ extern int kernel_u_size (void);
 /* After a watchpoint trap, the PC points to the instruction which
    caused the trap.  But we can continue over it without disabling the
    trap.  */
-#define HAVE_CONTINUABLE_WATCHPOINT
+#define HAVE_CONTINUABLE_WATCHPOINT 1
 #define HAVE_STEPPABLE_WATCHPOINT
 
 #define STOPPED_BY_WATCHPOINT(W)  \

gdb/config/i386/nm-i386sol2.h

@@ -32,7 +32,7 @@
 /* When a hardware watchpoint fires off the PC will be left at the
    instruction following the one which caused the watchpoint.  
    It will *NOT* be necessary for GDB to step over the watchpoint. */
-#define HAVE_CONTINUABLE_WATCHPOINT
+#define HAVE_CONTINUABLE_WATCHPOINT 1
 
 /* Solaris x86 2.6 and 2.7 targets have a kernel bug when stepping
    over an instruction that causes a page fault without triggering

gdb/config/s390/nm-linux.h

@@ -51,7 +51,7 @@ extern int kernel_u_size (void);
 /* WATCHPOINT SPECIFIC STUFF */
 
 #define TARGET_HAS_HARDWARE_WATCHPOINTS
-#define HAVE_CONTINUABLE_WATCHPOINT
+#define HAVE_CONTINUABLE_WATCHPOINT 1
 #define target_insert_watchpoint(addr, len, type)  \
   s390_insert_watchpoint (PIDGET (inferior_ptid), addr, len, type)
 

gdb/config/sparc/nm-sun4sol2.h

@@ -51,7 +51,7 @@
 /* When a hardware watchpoint fires off the PC will be left at the
    instruction following the one which caused the watchpoint.  
    It will *NOT* be necessary for GDB to step over the watchpoint. */
-#define HAVE_CONTINUABLE_WATCHPOINT
+#define HAVE_CONTINUABLE_WATCHPOINT 1
 
 extern int procfs_stopped_by_watchpoint (ptid_t);
 #define STOPPED_BY_WATCHPOINT(W) \

gdb/infrun.c

@@ -226,13 +226,6 @@ a command like `return' or `jump' to continue execution.");
 #define HAVE_STEPPABLE_WATCHPOINT 1
 #endif
 
-#ifndef HAVE_CONTINUABLE_WATCHPOINT
-#define HAVE_CONTINUABLE_WATCHPOINT 0
-#else
-#undef  HAVE_CONTINUABLE_WATCHPOINT
-#define HAVE_CONTINUABLE_WATCHPOINT 1
-#endif
-
 #ifndef CANNOT_STEP_HW_WATCHPOINTS
 #define CANNOT_STEP_HW_WATCHPOINTS 0
 #else

gdb/target.c

@@ -573,6 +573,7 @@ update_current_target (void)
       INHERIT (to_remove_watchpoint, t);
       INHERIT (to_stopped_data_address, t);
       INHERIT (to_stopped_by_watchpoint, t);
+      INHERIT (to_have_continuable_watchpoint, t);
       INHERIT (to_region_size_ok_for_hw_watchpoint, t);
       INHERIT (to_terminal_init, t);
       INHERIT (to_terminal_inferior, t);

gdb/target.h

@@ -256,6 +256,7 @@ struct target_ops
     int (*to_remove_watchpoint) (CORE_ADDR, int, int);
     int (*to_insert_watchpoint) (CORE_ADDR, int, int);
     int (*to_stopped_by_watchpoint) (void);
+    int to_have_continuable_watchpoint;
     CORE_ADDR (*to_stopped_data_address) (void);
     int (*to_region_size_ok_for_hw_watchpoint) (int);
     void (*to_terminal_init) (void);
@@ -963,6 +964,13 @@ extern void (*target_new_objfile_hook) (struct objfile *);
    (*current_target.to_stopped_by_watchpoint) ()
 #endif
 
+/* Non-zero if we have continuable watchpoints  */
+
+#ifndef HAVE_CONTINUABLE_WATCHPOINT
+#define HAVE_CONTINUABLE_WATCHPOINT \
+   (current_target.to_have_continuable_watchpoint)
+#endif
+
 /* HP-UX supplies these operations, which respectively disable and enable
    the memory page-protections that are used to implement hardware watchpoints
    on that platform.  See wait_for_inferior's use of these.  */