diff --git a/libc/kernel/uapi/asm-mips/asm/siginfo.h b/libc/kernel/uapi/asm-mips/asm/siginfo.h
index 4a085f8..45b418a 100644
--- a/libc/kernel/uapi/asm-mips/asm/siginfo.h
+++ b/libc/kernel/uapi/asm-mips/asm/siginfo.h
@@ -26,74 +26,78 @@
 struct siginfo;
 #define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#ifdef __LP64__
+#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
+#endif
 #include <asm-generic/siginfo.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef struct siginfo {
  int si_signo;
  int si_code;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int si_errno;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
  union {
  int _pad[SI_PAD_SIZE];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  pid_t _pid;
  __ARCH_SI_UID_T _uid;
  } _kill;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  timer_t _tid;
  int _overrun;
  char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  sigval_t _sigval;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int _sys_private;
  } _timer;
  struct {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  pid_t _pid;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __ARCH_SI_UID_T _uid;
  sigval_t _sigval;
  } _rt;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  pid_t _pid;
  __ARCH_SI_UID_T _uid;
  int _status;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  clock_t _utime;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  clock_t _stime;
  } _sigchld;
  struct {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  pid_t _pid;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  clock_t _utime;
  int _status;
  clock_t _stime;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  } _irix_sigchld;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct {
  void __user *_addr;
 #ifdef __ARCH_SI_TRAPNO
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int _trapno;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
  short _addr_lsb;
  } _sigfault;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __ARCH_SI_BAND_T _band;
  int _fd;
  } _sigpoll;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  } _sifields;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } siginfo_t;
 #undef SI_ASYNCIO
 #undef SI_TIMER
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #undef SI_MESGQ
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SI_ASYNCIO -2
 #define SI_TIMER __SI_CODE(__SI_TIMER, -3)
 #define SI_MESGQ __SI_CODE(__SI_MESGQ, -4)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */