diff -u -r -N gdb-7.3.1-org//gdb/amd64-linux-nat.c gdb-7.3.1-patched//gdb/amd64-linux-nat.c
--- gdb-7.3.1-org//gdb/amd64-linux-nat.c	1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.3.1-patched//gdb/amd64-linux-nat.c	2011-09-22 22:20:23.438841813 +0000
@@ -32,7 +32,7 @@
 #include "elf/common.h"
 #include <sys/uio.h>
 #include <sys/ptrace.h>
-#include <sys/debugreg.h>
+#include "debugreg.h"
 #include <sys/syscall.h>
 #include <sys/procfs.h>
 #include <asm/prctl.h>
diff -u -r -N gdb-7.3.1-org//gdb/debugreg.h gdb-7.3.1-patched//gdb/debugreg.h
--- gdb-7.3.1-org//gdb/debugreg.h	1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.3.1-patched//gdb/debugreg.h	2011-09-22 22:20:01.381841813 +0000
@@ -0,0 +1,48 @@
+#ifndef SYS_DEBUGREG_H
+#define SYS_DEBUGREG_H
+
+#include <stdint.h>
+
+#define DR_FIRSTADDR 0
+#define DR_LASTADDR 3
+
+#define DR_STATUS 6
+#define DR_CONTROL 7
+
+#define DR_TRAP0        (0x1)
+#define DR_TRAP1        (0x2)
+#define DR_TRAP2        (0x4)
+#define DR_TRAP3        (0x8)
+
+#define DR_STEP         (0x4000)
+#define DR_SWITCH       (0x8000)
+
+#define DR_CONTROL_SHIFT 16
+#define DR_CONTROL_SIZE  4
+
+#define DR_RW_EXECUTE   (0x0)
+#define DR_RW_WRITE     (0x1)
+#define DR_RW_READ      (0x3)
+
+#define DR_LEN_1 (0x0)
+#define DR_LEN_2 (0x4)
+#define DR_LEN_4 (0xC)
+#define DR_LEN_8 (0x8)
+
+#define DR_LOCAL_ENABLE_SHIFT  0
+#define DR_GLOBAL_ENABLE_SHIFT 1
+#define DR_ENABLE_SIZE         2
+
+#define DR_LOCAL_ENABLE_MASK  (0x55)
+#define DR_GLOBAL_ENABLE_MASK (0xAA)
+
+
+#if SIZE_MAX > 4294967295
+# define DR_CONTROL_RESERVED (0xFFFFFFFF0000FC00UL)
+#else
+# define DR_CONTROL_RESERVED (0x00FC00U)
+#endif
+#define DR_LOCAL_SLOWDOWN   (0x100)
+#define DR_GLOBAL_SLOWDOWN  (0x200)
+
+#endif