uClibc: elf: Add STT_GNU_IFUNC from glibc

perf in upstream Linux kernel 3.17 onwards expects STT_GNU_IFUNC
replicate it from glibc

Patch cherry-picked from:
http://lists.busybox.net/pipermail/uclibc/2015-February/048825.html

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>

SVN-Revision: 45752

toolchain/uClibc/patches-0.9.33.2/012-elf-Add-STT_GNU_IFUNC-from-glibc.patch

@@ -0,0 +1,37 @@
+From be58779614b2fe9aa57a9315be9dc004dfd77b3b Mon Sep 17 00:00:00 2001
+From: Vineet Gupta <vgupta@synopsys.com>
+Date: Fri, 20 Feb 2015 15:27:08 +0530
+Subject: [PATCH] elf: Add STT_GNU_IFUNC from glibc
+
+perf in upstream Linux kernel 3.17 onwards expects STT_GNU_IFUNC
+replicate it from glibc
+
+Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
+Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
+---
+ include/elf.h | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/include/elf.h b/include/elf.h
+index facf09c..917930b 100644
+--- a/include/elf.h
++++ b/include/elf.h
+@@ -566,6 +566,7 @@ typedef struct
+ #define STB_WEAK	2		/* Weak symbol */
+ #define	STB_NUM		3		/* Number of defined types.  */
+ #define STB_LOOS	10		/* Start of OS-specific */
++#define STB_GNU_UNIQUE	10		/* Unique symbol.  */
+ #define STB_HIOS	12		/* End of OS-specific */
+ #define STB_LOPROC	13		/* Start of processor-specific */
+ #define STB_HIPROC	15		/* End of processor-specific */
+@@ -581,6 +582,7 @@ typedef struct
+ #define STT_TLS		6		/* Symbol is thread-local data object*/
+ #define	STT_NUM		7		/* Number of defined types.  */
+ #define STT_LOOS	10		/* Start of OS-specific */
++#define STT_GNU_IFUNC	10		/* Symbol is indirect code object */
+ #define STT_HIOS	12		/* End of OS-specific */
+ #define STT_LOPROC	13		/* Start of processor-specific */
+ #define STT_HIPROC	15		/* End of processor-specific */
+-- 
+2.1.4
+