This is the mail archive of the
binutils@sourceware.org
mailing list for the binutils project.
[committed, PATCH] PR ld/19698: [2.26 Regression] mysql qt4 driver plugin not able to open libmysqlclient.so
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: binutils at sourceware dot org
- Date: Wed, 24 Feb 2016 15:16:15 -0800
- Subject: [committed, PATCH] PR ld/19698: [2.26 Regression] mysql qt4 driver plugin not able to open libmysqlclient.so
- Authentication-results: sourceware.org; auth=none
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
We need to update symbol version for symbols from linker script.
Fixed on trunk. Will backport to 2.26 branch later.
H.J.
---
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/elflink.c | 13 +++++++++++++
ld/testsuite/ld-elf/pr19698.d | 10 ++++++++++
ld/testsuite/ld-elf/pr19698.s | 5 +++++
ld/testsuite/ld-elf/pr19698.t | 11 +++++++++++
4 files changed, 39 insertions(+)
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 7d565f5..993e9b9 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 {
+};
+}
--
2.5.0