diff --git a/ChangeLog b/ChangeLog
index 7d181653d9..709ff7cce2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+1998-08-15 18:21  Ulrich Drepper  <drepper@cygnus.com>
+
+	* elf/elf.h: Add EI_OSABI, ELFOSABI*, and EI_ABIVERSION.  Move EI_PAD
+	to 9.
+
 1998-08-15 14:11  Ulrich Drepper  <drepper@cygnus.com>
 
 	* elf/elf.h: Add PPC Diab relocations.
diff --git a/elf/elf.h b/elf/elf.h
index 3970505c29..2737bc6949 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -137,7 +137,14 @@ typedef struct
 #define EI_VERSION	6		/* File version byte index */
 					/* Value must be EV_CURRENT */
 
-#define EI_PAD		7		/* Byte index of padding bytes */
+#define EI_OSABI	7		/* OS ABI identification */
+#define ELFOSABI_SYSV		0	/* UNIX System V ABI */
+#define ELFOSABI_HPUX		1	/* HP-UX */
+#define ELFOSABI_STANDALONE	255	/* Standalone (embedded) application */
+
+#define EI_ABIVERSION	8		/* ABI version */
+
+#define EI_PAD		9		/* Byte index of padding bytes */
 
 /* Legal values for e_type (object file type).  */