diff --git a/libc/kernel/common/linux/binder.h b/libc/kernel/common/linux/binder.h
index b97eafb..c560653 100644
--- a/libc/kernel/common/linux/binder.h
+++ b/libc/kernel/common/linux/binder.h
@@ -7,180 +7,165 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _LINUX_BINDER_H
 #define _LINUX_BINDER_H
-
 #include <linux/ioctl.h>
-
 #define B_PACK_CHARS(c1, c2, c3, c4)   ((((c1)<<24)) | (((c2)<<16)) | (((c3)<<8)) | (c4))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define B_TYPE_LARGE 0x85
-
 enum {
  BINDER_TYPE_BINDER = B_PACK_CHARS('s', 'b', '*', B_TYPE_LARGE),
  BINDER_TYPE_WEAK_BINDER = B_PACK_CHARS('w', 'b', '*', B_TYPE_LARGE),
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BINDER_TYPE_HANDLE = B_PACK_CHARS('s', 'h', '*', B_TYPE_LARGE),
  BINDER_TYPE_WEAK_HANDLE = B_PACK_CHARS('w', 'h', '*', B_TYPE_LARGE),
  BINDER_TYPE_FD = B_PACK_CHARS('f', 'd', '*', B_TYPE_LARGE),
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum {
  FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff,
  FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100,
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct flat_binder_object {
-
  unsigned long type;
  unsigned long flags;
-
  union {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void *binder;
  signed long handle;
  };
-
  void *cookie;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 struct binder_write_read {
  signed long write_size;
  signed long write_consumed;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned long write_buffer;
  signed long read_size;
  signed long read_consumed;
  unsigned long read_buffer;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 struct binder_version {
-
  signed long protocol_version;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BINDER_CURRENT_PROTOCOL_VERSION 7
-
 #define BINDER_WRITE_READ _IOWR('b', 1, struct binder_write_read)
 #define BINDER_SET_IDLE_TIMEOUT _IOW('b', 3, int64_t)
 #define BINDER_SET_MAX_THREADS _IOW('b', 5, size_t)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BINDER_SET_IDLE_PRIORITY _IOW('b', 6, int)
 #define BINDER_SET_CONTEXT_MGR _IOW('b', 7, int)
 #define BINDER_THREAD_EXIT _IOW('b', 8, int)
 #define BINDER_VERSION _IOWR('b', 9, struct binder_version)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum transaction_flags {
  TF_ONE_WAY = 0x01,
  TF_ROOT_OBJECT = 0x04,
  TF_STATUS_CODE = 0x08,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  TF_ACCEPT_FDS = 0x10,
 };
-
 struct binder_transaction_data {
-
  union {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  size_t handle;
  void *ptr;
  } target;
  void *cookie;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned int code;
-
  unsigned int flags;
  pid_t sender_pid;
  uid_t sender_euid;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  size_t data_size;
  size_t offsets_size;
-
  union {
  struct {
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  const void *buffer;
-
  const void *offsets;
  } ptr;
  uint8_t buf[8];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  } data;
 };
-
 struct binder_ptr_cookie {
  void *ptr;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void *cookie;
 };
-
 struct binder_pri_desc {
  int priority;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int desc;
 };
-
 struct binder_pri_ptr_cookie {
  int priority;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void *ptr;
  void *cookie;
 };
-
 enum BinderDriverReturnProtocol {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BR_ERROR = _IOR_BAD('r', 0, int),
-
  BR_OK = _IO('r', 1),
-
  BR_TRANSACTION = _IOR_BAD('r', 2, struct binder_transaction_data),
  BR_REPLY = _IOR_BAD('r', 3, struct binder_transaction_data),
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BR_ACQUIRE_RESULT = _IOR_BAD('r', 4, int),
-
  BR_DEAD_REPLY = _IO('r', 5),
-
  BR_TRANSACTION_COMPLETE = _IO('r', 6),
-
  BR_INCREFS = _IOR_BAD('r', 7, struct binder_ptr_cookie),
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BR_ACQUIRE = _IOR_BAD('r', 8, struct binder_ptr_cookie),
  BR_RELEASE = _IOR_BAD('r', 9, struct binder_ptr_cookie),
  BR_DECREFS = _IOR_BAD('r', 10, struct binder_ptr_cookie),
-
  BR_ATTEMPT_ACQUIRE = _IOR_BAD('r', 11, struct binder_pri_ptr_cookie),
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BR_NOOP = _IO('r', 12),
-
  BR_SPAWN_LOOPER = _IO('r', 13),
-
  BR_FINISHED = _IO('r', 14),
-
  BR_DEAD_BINDER = _IOR_BAD('r', 15, void *),
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BR_CLEAR_DEATH_NOTIFICATION_DONE = _IOR_BAD('r', 16, void *),
-
  BR_FAILED_REPLY = _IO('r', 17),
-
 };
-
 enum BinderDriverCommandProtocol {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BC_TRANSACTION = _IOW_BAD('c', 0, struct binder_transaction_data),
  BC_REPLY = _IOW_BAD('c', 1, struct binder_transaction_data),
-
  BC_ACQUIRE_RESULT = _IOW_BAD('c', 2, int),
-
  BC_FREE_BUFFER = _IOW_BAD('c', 3, int),
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BC_INCREFS = _IOW_BAD('c', 4, int),
  BC_ACQUIRE = _IOW_BAD('c', 5, int),
  BC_RELEASE = _IOW_BAD('c', 6, int),
  BC_DECREFS = _IOW_BAD('c', 7, int),
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BC_INCREFS_DONE = _IOW_BAD('c', 8, struct binder_ptr_cookie),
  BC_ACQUIRE_DONE = _IOW_BAD('c', 9, struct binder_ptr_cookie),
-
  BC_ATTEMPT_ACQUIRE = _IOW_BAD('c', 10, struct binder_pri_desc),
-
  BC_REGISTER_LOOPER = _IO('c', 11),
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BC_ENTER_LOOPER = _IO('c', 12),
  BC_EXIT_LOOPER = _IO('c', 13),
-
  BC_REQUEST_DEATH_NOTIFICATION = _IOW_BAD('c', 14, struct binder_ptr_cookie),
-
  BC_CLEAR_DEATH_NOTIFICATION = _IOW_BAD('c', 15, struct binder_ptr_cookie),
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  BC_DEAD_BINDER_DONE = _IOW_BAD('c', 16, void *),
-
 };
-
 #endif
-