Add bindings for LINUX_REBOOT_* and SO_ORIGINAL_DST. (#82)

Author: sunfishcode

gen/include/limits.h

@@ -0,0 +1,5 @@
+// Define `sockaddr` ourselves because the uapi headers don't define it but
+// some use it.
+struct sockaddr {
+    struct __kernel_sockaddr_storage __storage;
+};

gen/include/sys/socket.h

@@ -19,6 +19,7 @@
 #include <linux/mman.h>
 #include <linux/poll.h>
 #include <linux/random.h>
+#include <linux/reboot.h>
 #include <linux/resource.h>
 #include <linux/sched.h>
 #include <linux/signal.h>

gen/modules/general.h

@@ -13,6 +13,8 @@
 #include <linux/socket.h>
 #include <linux/tcp.h>
 #include <linux/un.h>
+#include <linux/netfilter_ipv6/ip6_tables.h>
+#include <linux/netfilter_ipv4.h>
 
 // Miscellaneous definitions which don't appear to be defined in Linux's public
 // headers, but which are nonetheless part of the ABI, and necessary for
@@ -31,13 +33,6 @@
 // which are ABI-incompatible with the Linux kernel ABI. This file should
 // only describe the kernel ABI.
 
-struct sockaddr {
-    struct __kernel_sockaddr_storage __storage;
-};
-#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,32)
-typedef uint16_t __kernel_sa_family_t;
-#endif
-
 struct linger {
     int l_onoff;
     int l_linger;

gen/modules/net.h

@@ -1569,6 +1569,19 @@ pub const POLLRDHUP: u32 = 8192;
 pub const GRND_NONBLOCK: u32 = 1;
 pub const GRND_RANDOM: u32 = 2;
 pub const GRND_INSECURE: u32 = 4;
+pub const LINUX_REBOOT_MAGIC1: u32 = 4276215469;
+pub const LINUX_REBOOT_MAGIC2: u32 = 672274793;
+pub const LINUX_REBOOT_MAGIC2A: u32 = 85072278;
+pub const LINUX_REBOOT_MAGIC2B: u32 = 369367448;
+pub const LINUX_REBOOT_MAGIC2C: u32 = 537993216;
+pub const LINUX_REBOOT_CMD_RESTART: u32 = 19088743;
+pub const LINUX_REBOOT_CMD_HALT: u32 = 3454992675;
+pub const LINUX_REBOOT_CMD_CAD_ON: u32 = 2309737967;
+pub const LINUX_REBOOT_CMD_CAD_OFF: u32 = 0;
+pub const LINUX_REBOOT_CMD_POWER_OFF: u32 = 1126301404;
+pub const LINUX_REBOOT_CMD_RESTART2: u32 = 2712847316;
+pub const LINUX_REBOOT_CMD_SW_SUSPEND: u32 = 3489725666;
+pub const LINUX_REBOOT_CMD_KEXEC: u32 = 1163412803;
 pub const ITIMER_REAL: u32 = 0;
 pub const ITIMER_VIRTUAL: u32 = 1;
 pub const ITIMER_PROF: u32 = 2;