* symtab.cc (Symbol_table::do_define_as_constant): Don't force a
authorIan Lance Taylor <ian@airs.com>
Sat, 29 Mar 2008 08:39:26 +0000 (08:39 +0000)
committerIan Lance Taylor <ian@airs.com>
Sat, 29 Mar 2008 08:39:26 +0000 (08:39 +0000)
version symbol to be local.
* testsuite/ver_test_4.sh: New file.
* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
(check_DATA): Add ver_test_4.syms.
(ver_test_4.syms): New target.
* testsuite/Makefile.in: Rebuild.

gold/ChangeLog
gold/symtab.cc
gold/testsuite/Makefile.am
gold/testsuite/Makefile.in
gold/testsuite/ver_test_4.sh [new file with mode: 0755]

index 9a213c2..0f55b5c 100644 (file)
@@ -1,5 +1,13 @@
 2008-03-29  Ian Lance Taylor  <iant@google.com>
 
+       * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
+       version symbol to be local.
+       * testsuite/ver_test_4.sh: New file.
+       * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
+       (check_DATA): Add ver_test_4.syms.
+       (ver_test_4.syms): New target.
+       * testsuite/Makefile.in: Rebuild.
+
        * output.cc
        (Output_section::Input_section_sort_entry::has_priority): New
        function.
index 08e5f92..a216b3b 100644 (file)
@@ -1406,8 +1406,13 @@ Symbol_table::do_define_as_constant(
 
   if (oldsym == NULL)
     {
-      if (binding == elfcpp::STB_LOCAL
-         || this->version_script_.symbol_is_local(name))
+      // Version symbols are absolute symbols with name == version.
+      // We don't want to force them to be local.
+      if ((version == NULL
+          || name != version
+          || value != 0)
+         && (binding == elfcpp::STB_LOCAL
+             || this->version_script_.symbol_is_local(name)))
        this->force_local(sym);
       return sym;
     }
index 93aa0f0..70b3e15 100644 (file)
@@ -561,6 +561,11 @@ check_DATA += ver_test_2.syms
 ver_test_2.syms: ver_test_2
        readelf -s $< >$@ 2>/dev/null
 
+check_SCRIPTS += ver_test_4.sh
+check_DATA += ver_test_4.syms
+ver_test_4.syms: ver_test_4.so
+       readelf -s $< >$@ 2>/dev/null
+
 endif
 
 if READELF
index 9b88707..c0eefbb 100644 (file)
@@ -201,10 +201,12 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms binary_test
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@am__append_12 =  \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   ver_test_2.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   ver_test_4.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   ver_test_5.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   ver_test_7.sh
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@am__append_13 =  \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   ver_test_2.syms \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   ver_test_4.syms \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   ver_test_5.syms \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   ver_test_7.syms
 @GCC_FALSE@script_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \
@@ -1838,6 +1840,8 @@ uninstall-am: uninstall-info-am
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@ver_test_2.syms: ver_test_2
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   readelf -s $< >$@ 2>/dev/null
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@ver_test_4.syms: ver_test_4.so
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   readelf -s $< >$@ 2>/dev/null
 
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@ver_test_5.so: ver_test_5.o $(srcdir)/ver_test_5.script ver_test_4.so gcctestdir/ld
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@READELF_TRUE@   $(CXXLINK) -Bgcctestdir/ -shared -Wl,--version-script,$(srcdir)/ver_test_5.script ver_test_5.o ver_test_4.so
diff --git a/gold/testsuite/ver_test_4.sh b/gold/testsuite/ver_test_4.sh
new file mode 100755 (executable)
index 0000000..3466a5d
--- /dev/null
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# ver_test_4.sh -- test that version symbol is visible.
+
+# Copyright 2008 Free Software Foundation, Inc.
+# Written by Ian Lance Taylor <iant@google.com>.
+
+# This file is part of gold.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+check()
+{
+    if ! grep -q "$2" "$1"
+    then
+       echo "Did not find expected symbol in $1:"
+       echo "   $2"
+       echo ""
+       echo "Actual output below:"
+       cat "$1"
+       exit 1
+    fi
+}
+
+check ver_test_4.syms "t1_2@@VER2"
+check ver_test_4.syms "t2_2@VER1"
+check ver_test_4.syms "t2_2@@VER2"
+check ver_test_4.syms "GLOBAL.*ABS.*VER1"
+check ver_test_4.syms "GLOBAL.*ABS.*VER2"
+
+exit 0