From 544ddf9322b1b83982e5cb84a54d084ee7e718ea Mon Sep 17 00:00:00 2001
From: H.J. Lu <hjl.tools@gmail.com>
Date: Wed, 24 Feb 2016 15:13:35 -0800
Subject: [PATCH] Update symbol version for symbol from linker script

We need to update symbol version for symbols from linker script.

Backport from master

bfd/

	PR ld/19698
	* elflink.c (bfd_elf_record_link_assignment): Set versioned if
	symbol version is unknown.

ld/

	PR ld/19698
	* testsuite/ld-elf/pr19698.d: New file.
	* testsuite/ld-elf/pr19698.s: Likewise.
	* testsuite/ld-elf/pr19698.t: Likewise.
---
 bfd/ChangeLog                 |    9 +++++++++
 bfd/elflink.c                 |   13 +++++++++++++
 ld/ChangeLog                  |   10 ++++++++++
 ld/testsuite/ld-elf/pr19698.d |   10 ++++++++++
 ld/testsuite/ld-elf/pr19698.s |    5 +++++
 ld/testsuite/ld-elf/pr19698.t |   11 +++++++++++
 6 files changed, 58 insertions(+), 0 deletions(-)
 create mode 100644 ld/testsuite/ld-elf/pr19698.d
 create mode 100644 ld/testsuite/ld-elf/pr19698.s
 create mode 100644 ld/testsuite/ld-elf/pr19698.t

diff --git a/bfd/elflink.c b/bfd/elflink.c
index ae8d148..8fcaadd 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -555,6 +555,19 @@ bfd_elf_record_link_assignment (bfd *output_bfd,
   if (h == NULL)
     return provide;
 
+  if (h->versioned == unknown)
+    {
+      /* Set versioned if symbol version is unknown.  */
+      char *version = strrchr (name, ELF_VER_CHR);
+      if (version)
+	{
+	  if (version > name && version[-1] != ELF_VER_CHR)
+	    h->versioned = versioned_hidden;
+	  else
+	    h->versioned = versioned;
+	}
+    }
+
   switch (h->root.type)
     {
     case bfd_link_hash_defined:
diff --git a/ld/testsuite/ld-elf/pr19698.d b/ld/testsuite/ld-elf/pr19698.d
new file mode 100644
index 0000000..a39f67a
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19698.d
@@ -0,0 +1,10 @@
+#ld: -shared $srcdir/$subdir/pr19698.t
+#readelf : --dyn-syms --wide
+#target: *-*-linux* *-*-gnu* *-*-solaris*
+
+Symbol table '\.dynsym' contains [0-9]+ entries:
+#...
+ +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +FUNC +GLOBAL +DEFAULT +[0-9]+ +foo@VERS.1
+#...
+ +[0-9]+: +[0-9a-f]+ +[0-9a-f]+ +FUNC +GLOBAL +DEFAULT +[0-9]+ +foo@@VERS.2
+#pass
diff --git a/ld/testsuite/ld-elf/pr19698.s b/ld/testsuite/ld-elf/pr19698.s
new file mode 100644
index 0000000..875dca4
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19698.s
@@ -0,0 +1,5 @@
+	.text
+	.globl	foo
+	.type	foo, %function
+foo:
+	.byte 0
diff --git a/ld/testsuite/ld-elf/pr19698.t b/ld/testsuite/ld-elf/pr19698.t
new file mode 100644
index 0000000..09d9125
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19698.t
@@ -0,0 +1,11 @@
+"foo@VERS.1" = foo;
+
+VERSION {
+VERS.2 {
+  global:
+    foo;
+};
+
+VERS.1 {
+};
+}
-- 
1.7.1

