NetBSD version 5 requires PT_NOTE for PaX. Also adjust other *BSD and PT_NOTE.

[Tested OK on FreeBSD 8.1, NetBSD 5.1, OpenBSD 4.8.  Cleanup needed.]

src/p_elf_enum.h

@@ -195,6 +195,55 @@
 #endif
 
 
+#ifdef WANT_NHDR_ENUM
+#undef WANT_NHDR_ENUM
+    enum { // ELF PT_NOTE types
+#define ELF_NOTE_GNU_NAME "GNU\0"
+        NT_GNU_ABI_TAG = 1,
+        NT_GNU_HWCAP = 2,
+        NT_GNU_BUILD_ID = 3,
+
+#define ELF_NOTE_OPENBSD_NAME "OpenBSD\0"
+        NHDR_OPENBSD_TAG = 1,
+
+#define ELF_NOTE_NETBSD_NAME "NetBSD\0"
+        NHDR_NETBSD_TAG = 1,
+        NHDR_CHECKSUM_TAG = 2,
+        NHDR_PAX_TAG = 3
+    };
+
+    enum { // descsz  descriptor sizes
+        GNU_ABI_DESCSZ = 16, // int GNU_OS, major, minor, subminor;
+        NETBSD_DESCSZ = 4,   // major_ver * (10**8) + minor
+        OPENBSD_DESCSZ = 4,  // 32-bit zero
+            // CHECKSUM_DESCSZ is 2*sizeof(short) + sizeof(checksum)
+        PAX_DESCSZ = 4  // 32-bit mask
+    };
+
+    enum { // GNU OS/version
+        GNU_OS_LINUX = 0,
+        GNU_OS_HURD = 1,
+        GNU_OS_SOLARIS = 2
+    };
+
+    enum { // NetBSD checksum methods
+        CHECKSUM_CRC32 = 1,
+        CHECKSUM_MD5 = 2,
+        CHECKSUM_SHA1 = 3,
+        CHECKSUM_SHA256 = 4
+    };
+
+#define ELF_NOTE_PAX_NAME "PaX\0"
+    enum { // NetBSD PaX bit values
+        PAX_MPROTECT   = (1<<0),  /* force  enable Mprotect */
+        PAX_NOMPROTECT = (1<<1),  /* force disable Mprotect */
+        PAX_GUARD      = (1<<2),  /* force  enable SEGVguard */
+        PAX_NOGUARD    = (1<<3),  /* force disable SEGVguard */
+        PAX_ASLR       = (1<<4),  /* force  enable ASLR */
+        PAX_NOASLR     = (1<<5)   /* force disable ASLR */
+    };
+#endif
+
 /*
 vi:ts=4:et
 */