Index: elfstruc.h
--- elfstruc.h.orig
+++ elfstruc.h
@@ -374,6 +374,11 @@ struct ELF_SECTION_HEADER64 {
 #define ELF_PT_GNU_STACK	0x6474e551 /* Indicates stack executability */
 #define ELF_PT_GNU_RELRO	0x6474e552 /* Read-only after relocation    */ 
 #define ELF_PT_PAX_FLAGS	0x65041580 /* Indicates PaX flag markings */
+#define ELF_PT_OPENBSD_MUTABLE	0x65a3dbe5      /* like bss, but not immutable */
+#define ELF_PT_OPENBSD_RANDOMIZE	0x65a3dbe6      /* fill with random data */
+#define ELF_PT_OPENBSD_WXNEEDED	0x65a3dbe7      /* program performs W^X violations */
+#define ELF_PT_OPENBSD_NOBTCFI	0x65a3dbe8      /* no branch target CFI */
+#define ELF_PT_OPENBSD_BOOTDATA	0x65a41be6      /* section for boot arguments */
 
 struct ELF_PROGRAM_HEADER32 {
 	elf32_word p_type;