sh: kgdb: Individual register get/set support.

This updates sh following the generic kgdb changes adding support
for individual register get/set for kgdb/kdb use.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/kgdb.h b/arch/sh/include/asm/kgdb.h
index f361395..0048519 100644
--- a/arch/sh/include/asm/kgdb.h
+++ b/arch/sh/include/asm/kgdb.h
@@ -4,18 +4,6 @@
 #include <asm/cacheflush.h>
 #include <asm/ptrace.h>
 
-/* Same as pt_regs but has vbr in place of syscall_nr */
-struct kgdb_regs {
-        unsigned long regs[16];
-        unsigned long pc;
-        unsigned long pr;
-        unsigned long sr;
-        unsigned long gbr;
-        unsigned long mach;
-        unsigned long macl;
-        unsigned long vbr;
-};
-
 enum regnames {
 	GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7,
 	GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15,
@@ -23,7 +11,12 @@
 	GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,
 };
 
-#define NUMREGBYTES    ((GDB_VBR + 1) * 4)
+#define _GP_REGS	16
+#define _EXTRA_REGS	7
+#define GDB_SIZEOF_REG	sizeof(u32)
+
+#define DBG_MAX_REG_NUM	(_GP_REGS + _EXTRA_REGS)
+#define NUMREGBYTES	(DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
 
 static inline void arch_kgdb_breakpoint(void)
 {