Check for export dynamic symbol options when doing symbol resolution in plugins.

2017-09-20  Teresa Johnson  <tejohnson@google.com>
	* plugin.cc (is_visible_from_outside): Check for export dynamic symbol
        option and list.
	* testsuite/Makefile.am (plugin_test_12): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/export_dynamic_plugin.cc: New test source.
	* testsuite/plugin_test_12.sh: New test script.

diff --git a/gold/ChangeLog b/gold/ChangeLog
index 4faf195c23e694e6c3937c080b22e275802d7300..7e62ccb0893ea8c616d3b52c9746498e12306d8f 100644 (file)
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,12 @@
+2017-09-20  Teresa Johnson  <tejohnson@google.com>
+
+       * plugin.cc (is_visible_from_outside): Check for export dynamic symbol
+        option and list.
+       * testsuite/Makefile.am (plugin_test_12): New test.
+       * testsuite/Makefile.in: Regenerate.
+       * testsuite/export_dynamic_plugin.cc: New test source.
+       * testsuite/plugin_test_12.sh: New test script.
+
 2017-09-20  Alan Modra  <amodra@gmail.com>
 
        * powerpc.cc (Target_powerpc::Branch_info::make_stub): Put

diff --git a/gold/Makefile.in b/gold/Makefile.in
index 9a51247020ba14c5f1cfcaa0ab9323f284df69f5..a3c8b03bec856f1808891de340fcb31e9e7dd23b 100644 (file)
--- a/gold/Makefile.in
+++ b/gold/Makefile.in
@@ -87,8 +87,8 @@ subdir = .
 DIST_COMMON = NEWS README ChangeLog $(srcdir)/Makefile.in \
        $(srcdir)/Makefile.am $(top_srcdir)/configure \
        $(am__configure_deps) $(srcdir)/config.in \
-       $(srcdir)/../mkinstalldirs $(top_srcdir)/po/Make-in pread.c \
-       ffsll.c mremap.c ftruncate.c yyscript.h yyscript.c \
+       $(srcdir)/../mkinstalldirs $(top_srcdir)/po/Make-in ffsll.c \
+       ftruncate.c mremap.c pread.c yyscript.h yyscript.c \
        $(srcdir)/../depcomp $(srcdir)/../ylwrap
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \

diff --git a/gold/plugin.cc b/gold/plugin.cc
index c051805cec38c4941eb4e3b7e812fcbb7ccc147e..5ea23b5bdd7339cfd46f553bdcd6e6a0f4e363fe 100644 (file)
--- a/gold/plugin.cc
+++ b/gold/plugin.cc
@@ -930,7 +930,9 @@ is_visible_from_outside(Symbol* lsym)
 {
   if (lsym->in_dyn())
     return true;
-  if (parameters->options().export_dynamic() || parameters->options().shared())
+  if (parameters->options().export_dynamic() || parameters->options().shared()
+      || parameters->options().in_dynamic_list(lsym->name())
+      || parameters->options().is_export_dynamic_symbol(lsym->name()))
     return lsym->is_externally_visible();
   return false;
 }

diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index b9d9c8ce92e5e71cb5dd179c521f428a851a31ba..cae47f1e0972768ef6e92403b5c74b47f62d966d 100644 (file)
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -2295,6 +2295,18 @@ plugin_test_thin.a: two_file_test_1.o two_file_test_1b.o two_file_test_2.o
        rm -f $@
        $(TEST_AR) crT $@ $^
 
+check_PROGRAMS += plugin_test_12
+check_SCRIPTS += plugin_test_12.sh
+check_DATA += plugin_test_12.err
+MOSTLYCLEANFILES += plugin_test_12.err
+export_dynamic_plugin.o.syms: export_dynamic_plugin.o
+       $(TEST_READELF) -sW $< >$@ 2>/dev/null
+export_dynamic_plugin.o: export_dynamic_plugin.cc
+       $(COMPILE) -c -o $@ $<
+plugin_test_12: export_dynamic_plugin.o gcctestdir/ld plugin_test.so export_dynamic_plugin.o.syms
+       $(CXXLINK) -Bgcctestdir/ -Wl,--no-demangle,--plugin,"./plugin_test.so",--plugin-opt,"_Z3foov" -Wl,--export-dynamic-symbol,"_Z3foov" export_dynamic_plugin.o.syms 2>plugin_test_12.err
+plugin_test_12.err: plugin_test_12
+       @touch plugin_test_12.err
 
 check_PROGRAMS += plugin_test_start_lib
 check_SCRIPTS += plugin_test_start_lib.sh

diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index 8e71ba71fe184223ae8d25f1c03a310e2d4ca5ce..0169fce141f21691f99c178ab1fa78ff190c459b 100644 (file)
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -518,6 +518,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_8 \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_10 \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_11 \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_12 \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_start_lib
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@am__append_45 =  \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_1.sh \
@@ -528,6 +529,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_7.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_10.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_11.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_12.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_start_lib.sh
 
 # Test that symbols known in the IR file but not in the replacement file
@@ -547,6 +549,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_9b.err \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_10.sections \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_11.err \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_12.err \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_start_lib.err
 # Make a copy of two_file_test_1.o, which does not define the symbol _Z4t16av.
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@am__append_47 =  \
@@ -563,6 +566,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_10.sections \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_11.err \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_thin.a \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_12.err \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_start_lib.err
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@@TLS_TRUE@am__append_48 = plugin_test_tls
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@@TLS_TRUE@am__append_49 = plugin_test_tls.sh
@@ -1174,6 +1178,7 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_8$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_10$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_11$(EXEEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_12$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   plugin_test_start_lib$(EXEEXT)
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@@TLS_TRUE@am__EXEEXT_25 = plugin_test_tls$(EXEEXT)
 @GCC_TRUE@@NATIVE_LINKER_TRUE@am__EXEEXT_26 =  \
@@ -1838,6 +1843,13 @@ plugin_test_11_DEPENDENCIES = libgoldtest.a ../libgold.a \
        ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
        $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
        $(am__DEPENDENCIES_1)
+plugin_test_12_SOURCES = plugin_test_12.c
+plugin_test_12_OBJECTS = plugin_test_12.$(OBJEXT)
+plugin_test_12_LDADD = $(LDADD)
+plugin_test_12_DEPENDENCIES = libgoldtest.a ../libgold.a \
+       ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
+       $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
+       $(am__DEPENDENCIES_1)
 plugin_test_2_SOURCES = plugin_test_2.c
 plugin_test_2_OBJECTS = plugin_test_2.$(OBJEXT)
 plugin_test_2_LDADD = $(LDADD)
@@ -2420,20 +2432,21 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c basic_pie_test.c \
        $(many_sections_test_SOURCES) $(object_unittest_SOURCES) \
        $(overflow_unittest_SOURCES) permission_test.c \
        $(pie_copyrelocs_test_SOURCES) plugin_test_1.c \
-       plugin_test_10.c plugin_test_11.c plugin_test_2.c \
-       plugin_test_3.c plugin_test_4.c plugin_test_5.c \
-       plugin_test_6.c plugin_test_7.c plugin_test_8.c \
-       plugin_test_start_lib.c plugin_test_tls.c pr17704a_test.c \
-       $(pr20216a_test_SOURCES) $(pr20216b_test_SOURCES) \
-       $(pr20216c_test_SOURCES) $(pr20216d_test_SOURCES) \
-       $(pr20216e_test_SOURCES) $(pr20308a_test_SOURCES) \
-       $(pr20308b_test_SOURCES) $(pr20308c_test_SOURCES) \
-       $(pr20308d_test_SOURCES) $(pr20308e_test_SOURCES) pr20976.c \
-       $(protected_1_SOURCES) $(protected_2_SOURCES) \
-       $(relro_now_test_SOURCES) $(relro_script_test_SOURCES) \
-       $(relro_strip_test_SOURCES) $(relro_test_SOURCES) \
-       $(script_test_1_SOURCES) script_test_11.c script_test_12.c \
-       script_test_12i.c $(script_test_2_SOURCES) script_test_3.c \
+       plugin_test_10.c plugin_test_11.c plugin_test_12.c \
+       plugin_test_2.c plugin_test_3.c plugin_test_4.c \
+       plugin_test_5.c plugin_test_6.c plugin_test_7.c \
+       plugin_test_8.c plugin_test_start_lib.c plugin_test_tls.c \
+       pr17704a_test.c $(pr20216a_test_SOURCES) \
+       $(pr20216b_test_SOURCES) $(pr20216c_test_SOURCES) \
+       $(pr20216d_test_SOURCES) $(pr20216e_test_SOURCES) \
+       $(pr20308a_test_SOURCES) $(pr20308b_test_SOURCES) \
+       $(pr20308c_test_SOURCES) $(pr20308d_test_SOURCES) \
+       $(pr20308e_test_SOURCES) pr20976.c $(protected_1_SOURCES) \
+       $(protected_2_SOURCES) $(relro_now_test_SOURCES) \
+       $(relro_script_test_SOURCES) $(relro_strip_test_SOURCES) \
+       $(relro_test_SOURCES) $(script_test_1_SOURCES) \
+       script_test_11.c script_test_12.c script_test_12i.c \
+       $(script_test_2_SOURCES) script_test_3.c \
        $(searched_file_test_SOURCES) start_lib_test.c \
        $(thin_archive_test_1_SOURCES) $(thin_archive_test_2_SOURCES) \
        $(tls_phdrs_script_test_SOURCES) $(tls_pic_test_SOURCES) \
@@ -3983,6 +3996,15 @@ pie_copyrelocs_test$(EXEEXT): $(pie_copyrelocs_test_OBJECTS) $(pie_copyrelocs_te
 @PLUGINS_FALSE@plugin_test_11$(EXEEXT): $(plugin_test_11_OBJECTS) $(plugin_test_11_DEPENDENCIES) $(EXTRA_plugin_test_11_DEPENDENCIES) 
 @PLUGINS_FALSE@        @rm -f plugin_test_11$(EXEEXT)
 @PLUGINS_FALSE@        $(LINK) $(plugin_test_11_OBJECTS) $(plugin_test_11_LDADD) $(LIBS)
+@GCC_FALSE@plugin_test_12$(EXEEXT): $(plugin_test_12_OBJECTS) $(plugin_test_12_DEPENDENCIES) $(EXTRA_plugin_test_12_DEPENDENCIES) 
+@GCC_FALSE@    @rm -f plugin_test_12$(EXEEXT)
+@GCC_FALSE@    $(LINK) $(plugin_test_12_OBJECTS) $(plugin_test_12_LDADD) $(LIBS)
+@NATIVE_LINKER_FALSE@plugin_test_12$(EXEEXT): $(plugin_test_12_OBJECTS) $(plugin_test_12_DEPENDENCIES) $(EXTRA_plugin_test_12_DEPENDENCIES) 
+@NATIVE_LINKER_FALSE@  @rm -f plugin_test_12$(EXEEXT)
+@NATIVE_LINKER_FALSE@  $(LINK) $(plugin_test_12_OBJECTS) $(plugin_test_12_LDADD) $(LIBS)
+@PLUGINS_FALSE@plugin_test_12$(EXEEXT): $(plugin_test_12_OBJECTS) $(plugin_test_12_DEPENDENCIES) $(EXTRA_plugin_test_12_DEPENDENCIES) 
+@PLUGINS_FALSE@        @rm -f plugin_test_12$(EXEEXT)
+@PLUGINS_FALSE@        $(LINK) $(plugin_test_12_OBJECTS) $(plugin_test_12_LDADD) $(LIBS)
 @GCC_FALSE@plugin_test_2$(EXEEXT): $(plugin_test_2_OBJECTS) $(plugin_test_2_DEPENDENCIES) $(EXTRA_plugin_test_2_DEPENDENCIES) 
 @GCC_FALSE@    @rm -f plugin_test_2$(EXEEXT)
 @GCC_FALSE@    $(LINK) $(plugin_test_2_OBJECTS) $(plugin_test_2_LDADD) $(LIBS)
@@ -4444,6 +4466,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_1.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_10.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_11.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_12.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_2.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_3.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/plugin_test_4.Po@am__quote@
@@ -5215,6 +5238,8 @@ plugin_test_10.sh.log: plugin_test_10.sh
        @p='plugin_test_10.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 plugin_test_11.sh.log: plugin_test_11.sh
        @p='plugin_test_11.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
+plugin_test_12.sh.log: plugin_test_12.sh
+       @p='plugin_test_12.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 plugin_test_start_lib.sh.log: plugin_test_start_lib.sh
        @p='plugin_test_start_lib.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 plugin_test_tls.sh.log: plugin_test_tls.sh
@@ -5577,6 +5602,8 @@ plugin_test_10.log: plugin_test_10$(EXEEXT)
        @p='plugin_test_10$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 plugin_test_11.log: plugin_test_11$(EXEEXT)
        @p='plugin_test_11$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
+plugin_test_12.log: plugin_test_12$(EXEEXT)
+       @p='plugin_test_12$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 plugin_test_start_lib.log: plugin_test_start_lib$(EXEEXT)
        @p='plugin_test_start_lib$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
 plugin_test_tls.log: plugin_test_tls$(EXEEXT)
@@ -6915,6 +6942,14 @@ uninstall-am:
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_test_thin.a: two_file_test_1.o two_file_test_1b.o two_file_test_2.o
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   rm -f $@
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   $(TEST_AR) crT $@ $^
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@export_dynamic_plugin.o.syms: export_dynamic_plugin.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   $(TEST_READELF) -sW $< >$@ 2>/dev/null
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@export_dynamic_plugin.o: export_dynamic_plugin.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   $(COMPILE) -c -o $@ $<
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_test_12: export_dynamic_plugin.o gcctestdir/ld plugin_test.so export_dynamic_plugin.o.syms
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   $(CXXLINK) -Bgcctestdir/ -Wl,--no-demangle,--plugin,"./plugin_test.so",--plugin-opt,"_Z3foov" -Wl,--export-dynamic-symbol,"_Z3foov" export_dynamic_plugin.o.syms 2>plugin_test_12.err
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_test_12.err: plugin_test_12
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   @touch plugin_test_12.err
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@plugin_test_start_lib: unused.o plugin_start_lib_test.o plugin_start_lib_test_2.syms gcctestdir/ld plugin_test.so
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@   $(CXXLINK) -Bgcctestdir/ -Wl,--no-demangle,--plugin,"./plugin_test.so" plugin_start_lib_test.o \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@           -Wl,--start-lib plugin_start_lib_test_2.syms -Wl,--end-lib 2>plugin_test_start_lib.err

diff --git a/gold/testsuite/export_dynamic_plugin.cc b/gold/testsuite/export_dynamic_plugin.cc
new file mode 100644 (file)
index 0000000..6d151c0
--- /dev/null
+++ b/gold/testsuite/export_dynamic_plugin.cc
@@ -0,0 +1,29 @@
+/* export_dynamic_plugin.c -- a test case for gold
+
+   Copyright (C) 2017 onwards Free Software Foundation, Inc.
+   Written by Teresa Johnson <tejohnson@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.  */
+
+int foo(void) {
+  return 0;
+}
+
+int main(void) {
+  return 0;
+}

diff --git a/gold/testsuite/plugin_test_12.sh b/gold/testsuite/plugin_test_12.sh
new file mode 100755 (executable)
index 0000000..f34f248
--- /dev/null
+++ b/gold/testsuite/plugin_test_12.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# plugin_test_12.sh -- a test case for the plugin API.
+
+# Copyright (C) 2017 onwards Free Software Foundation, Inc.
+# Written by Teresa Johnson <tejohnson@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.
+
+# This file goes with plugin_test.c, a simple plug-in library that
+# exercises the basic interfaces and prints out version numbers and
+# options passed to the plugin.
+
+# This checks if the symbol resolution withe export dynamic symbol is
+# as expected.
+
+check()
+{
+    if ! grep -q "$2" "$1"
+    then
+       echo "Did not find expected output in $1:"
+       echo "   $2"
+       echo ""
+       echo "Actual output below:"
+       cat "$1"
+       exit 1
+    fi
+}
+
+check plugin_test_12.err "API version:"
+check plugin_test_12.err "gold version:"
+check plugin_test_12.err "option: _Z3foov"
+check plugin_test_12.err "export_dynamic_plugin.o.syms: claim file hook called"
+check plugin_test_12.err "export_dynamic_plugin.o.syms: _Z3foov: PREVAILING_DEF_IRONLY_EXP"
+check plugin_test_12.err "cleanup hook called"
+
+exit 0