* config/s390/nm-linux.h (KERNEL_U_SIZE): Remove.

	(PTRACE_ARG3_TYPE, PTRACE_XFER_TYPE): Likewise.
	(s390_stopped_by_watchpoint, s390_insert_watchpoint,
	s390_remove_watchpoint, TARGET_CAN_USE_HARDWARE_WATCHPOINT,
	TARGET_REGION_OK_FOR_HW_WATCHPOINT, HAVE_CONTINUABLE_WATCHPOINT,
	STOPPED_BY_WATCHPOINT, target_insert_watchpoint,
	target_remove_watchpoint): Likewise.
	* s390-nat.c: Remove include of <sys/user.h>.
	(kernel_u_size): Remove.
	(s390_stopped_by_watchpoint): Make static.
	(s390_insert_watchpoint, s390_remove_watchpoint): Likewise.
	(s390_can_use_hw_breakpoint): New function.
	(s390_region_size_ok_for_hw_watchpoint): Likewise.
	(_initialize_s390_nat): Add watchpoint methods to target.

1 files changed, 20 insertions, 7 deletions

diff --git a/gdb/s390-nat.c b/gdb/s390-nat.c
index 98610d9..589d650 100644
--- a/gdb/s390-nat.c
+++ b/gdb/s390-nat.c
@@ -34,7 +34,6 @@
 #include <sys/ptrace.h>
 #include <asm/types.h>
 #include <sys/procfs.h>
-#include <sys/user.h>
 #include <sys/ucontext.h>
 
 
@@ -250,7 +249,7 @@ struct watch_area
 
 static struct watch_area *watch_base = NULL;
 
-int
+static int
 s390_stopped_by_watchpoint (void)
 {
   per_lowcore_bits per_lowcore;
@@ -310,7 +309,7 @@ s390_fix_watch_points (void)
     perror_with_name (_("Couldn't modify watchpoint status"));
 }
 
-int
+static int
 s390_insert_watchpoint (CORE_ADDR addr, int len)
 {
   struct watch_area *area = xmalloc (sizeof (struct watch_area));
@@ -327,7 +326,7 @@ s390_insert_watchpoint (CORE_ADDR addr, int len)
   return 0;
 }
 
-int
+static int
 s390_remove_watchpoint (CORE_ADDR addr, int len)
 {
   struct watch_area *area, **parea;
@@ -352,13 +351,19 @@ s390_remove_watchpoint (CORE_ADDR addr, int len)
   return 0;
 }
 
+static int
+s390_can_use_hw_breakpoint (int type, int cnt, int othertype)
+{
+  return 1;
+}
 
-int
-kernel_u_size (void)
+static int
+s390_region_size_ok_for_hw_watchpoint (int cnt)
 {
-  return sizeof (struct user);
+  return 1;
 }
 
+
 void _initialize_s390_nat (void);
 
 void
@@ -373,6 +378,14 @@ _initialize_s390_nat (void)
   t->to_fetch_registers = s390_linux_fetch_inferior_registers;
   t->to_store_registers = s390_linux_store_inferior_registers;
 
+  /* Add our watchpoint methods.  */
+  t->to_can_use_hw_breakpoint = s390_can_use_hw_breakpoint;
+  t->to_region_size_ok_for_hw_watchpoint = s390_region_size_ok_for_hw_watchpoint;
+  t->to_have_continuable_watchpoint = 1;
+  t->to_stopped_by_watchpoint = s390_stopped_by_watchpoint;
+  t->to_insert_watchpoint = s390_insert_watchpoint;
+  t->to_remove_watchpoint = s390_remove_watchpoint;
+
   /* Register the target.  */
   add_target (t);
 }