Add new ELF constant PN_XNUM.

2 files changed, 9 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index dbdf9214ec..85e07535f2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2010-01-07  Roland McGrath  <roland@redhat.com>
 
+	* elf/elf.h (PN_XNUM): New macro.
+
 	* elf/dl-sysdep.c (_dl_important_hwcaps): Use NT_GNU_HWCAP instead of
 	literal 2.
 
diff --git a/elf/elf.h b/elf/elf.h
index c772ff41ad..1bc8ef3489 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -1,5 +1,5 @@
 /* This file defines standard ELF types, structures, and macros.
-   Copyright (C) 1995-2003,2004,2005,2006,2007,2008,2009
+   Copyright (C) 1995-2003,2004,2005,2006,2007,2008,2009,2010
 	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -558,6 +558,12 @@ typedef struct
   Elf64_Xword	p_align;		/* Segment alignment */
 } Elf64_Phdr;
 
+/* Special value for e_phnum.  This indicates that the real number of
+   program headers is too large to fit into e_phnum.  Instead the real
+   value is in the field sh_info of section 0.  */
+
+#define PN_XNUM		0xffff
+
 /* Legal values for p_type (segment type).  */
 
 #define	PT_NULL		0		/* Program header table entry unused */