Add support to readelf for the OpenBSD segment types.

PR 26405
binutils* readelf.c (get_segment_type): Handle OpenBSD segment types.

include	* elf/common.h (PT_OPENBSD_BOOTDATA): Define.
	(PT_OPENBSD_RANDOMIZE): Define.
	(PT_OPENBSD_WXNEEDED): Define.

binutils/ChangeLog

@@ -1,3 +1,8 @@
+2020-08-26  Nick Clifton  <nickc@redhat.com>
+
+	PR 26405
+	* readelf.c (get_segment_type): Handle OpenBSD segment types.
+
 2020-08-26  Alan Modra  <amodra@gmail.com>
 
 	PR 26412

binutils/readelf.c

@@ -4030,6 +4030,10 @@ get_segment_type (Filedata * filedata, unsigned long p_type)
     case PT_GNU_RELRO:  return "GNU_RELRO";
     case PT_GNU_PROPERTY: return "GNU_PROPERTY";
 
+    case PT_OPENBSD_RANDOMIZE: return "OPENBSD_RANDOMIZE";
+    case PT_OPENBSD_WXNEEDED: return "OPENBSD_WXNEEDED";
+    case PT_OPENBSD_BOOTDATA: return "OPENBSD_BOOTDATA";
+      
     default:
       if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
 	{

include/ChangeLog

@@ -1,3 +1,10 @@
+2020-08-26  Nick Clifton  <nickc@redhat.com>
+
+	PR 26405
+	* elf/common.h (PT_OPENBSD_BOOTDATA): Define.
+	(PT_OPENBSD_RANDOMIZE): Define.
+	(PT_OPENBSD_WXNEEDED): Define.
+
 2020-08-26  Alan Modra  <amodra@gmail.com>
 
 	PR 26458

include/elf/common.h

@@ -472,6 +472,11 @@
 #define PT_GNU_RELRO	(PT_LOOS + 0x474e552) /* Read-only after relocation */
 #define PT_GNU_PROPERTY	(PT_LOOS + 0x474e553) /* GNU property */
 
+/* OpenBSD segment types.  */
+#define PT_OPENBSD_RANDOMIZE (PT_LOOS + 0x5a3dbe6)  /* Fill with random data.  */
+#define PT_OPENBSD_WXNEEDED  (PT_LOOS + 0x5a3dbe7)  /* Program does W^X violations.  */
+#define PT_OPENBSD_BOOTDATA  (PT_LOOS + 0x5a41be6)  /* Section for boot arguments.  */
+
 /* Mbind segments */
 #define PT_GNU_MBIND_NUM 4096
 #define PT_GNU_MBIND_LO (PT_LOOS + 0x474e555)