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-rw-r--r--gold/ChangeLog19
-rw-r--r--gold/Makefile.in4
-rw-r--r--gold/symtab.cc28
-rw-r--r--gold/testsuite/Makefile.am22
-rw-r--r--gold/testsuite/Makefile.in55
-rw-r--r--gold/testsuite/protected_1.cc33
-rw-r--r--gold/testsuite/protected_2.cc31
-rw-r--r--gold/testsuite/protected_3.cc33
-rw-r--r--gold/testsuite/protected_main_1.cc36
-rw-r--r--gold/testsuite/protected_main_2.cc29
-rw-r--r--gold/testsuite/protected_main_3.cc31
11 files changed, 310 insertions, 11 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog
index 3c015c8acd..ba92005d49 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,5 +1,24 @@
2008-05-06 Ian Lance Taylor <iant@google.com>
+ * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
+ symbol, change it to have default visibility.
+ * testsuite/protected_1.cc: New file.
+ * testsuite/protected_2.cc: New file.
+ * testsuite/protected_3.cc: New file.
+ * testsuite/protected_main_1.cc: New file.
+ * testsuite/protected_main_2.cc: New file.
+ * testsuite/protected_main_3.cc: New file.
+ * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
+ (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
+ (protected_1_LDFLAGS, protected_1_LDADD): Define.
+ (protected_1.so): New target.
+ (protected_1_pic.o, protected_2_pic.o): New targets.
+ (protected_3_pic.o): New target.
+ (check_PROGRAMS): Add protected_2.
+ (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
+ (protected_2_LDFLAGS, protected_2_LDADD): Define.
+ * testsuite/Makefile.in: Rebuild.
+
* options.h (DEFINE_var): Add set_user_set_##varname__.
(DEFINE_bool_alias): New macro.
(class General_options): Define -Bstatic using DEFINE_bool_alias
diff --git a/gold/Makefile.in b/gold/Makefile.in
index 1fb72862b3..cc1a9e4d77 100644
--- a/gold/Makefile.in
+++ b/gold/Makefile.in
@@ -56,7 +56,9 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/../config/gettext-sister.m4 \
$(top_srcdir)/../config/lead-dot.m4 \
- $(top_srcdir)/../config/nls.m4 $(top_srcdir)/../config/po.m4 \
+ $(top_srcdir)/../config/nls.m4 \
+ $(top_srcdir)/../config/override.m4 \
+ $(top_srcdir)/../config/po.m4 \
$(top_srcdir)/../config/proginstall.m4 \
$(top_srcdir)/../config/progtest.m4 \
$(top_srcdir)/../bfd/warning.m4 $(top_srcdir)/configure.ac
diff --git a/gold/symtab.cc b/gold/symtab.cc
index 170a209368..522ca620b4 100644
--- a/gold/symtab.cc
+++ b/gold/symtab.cc
@@ -942,7 +942,21 @@ Symbol_table::add_from_dynobj(
|| sym.get_st_visibility() == elfcpp::STV_HIDDEN)
continue;
- unsigned int st_name = sym.get_st_name();
+ // A protected symbol in a shared library must be treated as a
+ // normal symbol when viewed from outside the shared library.
+ // Implement this by overriding the visibility here.
+ elfcpp::Sym<size, big_endian>* psym = &sym;
+ unsigned char symbuf[sym_size];
+ elfcpp::Sym<size, big_endian> sym2(symbuf);
+ if (sym.get_st_visibility() == elfcpp::STV_PROTECTED)
+ {
+ memcpy(symbuf, p, sym_size);
+ elfcpp::Sym_write<size, big_endian> sw(symbuf);
+ sw.put_st_other(elfcpp::STV_DEFAULT, sym.get_st_nonvis());
+ psym = &sym2;
+ }
+
+ unsigned int st_name = psym->get_st_name();
if (st_name >= sym_name_size)
{
dynobj->error(_("bad symbol name offset %u at %zu"),
@@ -953,7 +967,7 @@ Symbol_table::add_from_dynobj(
const char* name = sym_names + st_name;
bool is_ordinary;
- unsigned int st_shndx = dynobj->adjust_sym_shndx(i, sym.get_st_shndx(),
+ unsigned int st_shndx = dynobj->adjust_sym_shndx(i, psym->get_st_shndx(),
&is_ordinary);
Sized_symbol<size>* res;
@@ -963,7 +977,7 @@ Symbol_table::add_from_dynobj(
Stringpool::Key name_key;
name = this->namepool_.add(name, true, &name_key);
res = this->add_from_object(dynobj, name, name_key, NULL, 0,
- false, sym, st_shndx, is_ordinary,
+ false, *psym, st_shndx, is_ordinary,
st_shndx);
}
else
@@ -998,7 +1012,7 @@ Symbol_table::add_from_dynobj(
{
// This symbol does not have a version.
res = this->add_from_object(dynobj, name, name_key, NULL, 0,
- false, sym, st_shndx, is_ordinary,
+ false, *psym, st_shndx, is_ordinary,
st_shndx);
}
else
@@ -1030,14 +1044,14 @@ Symbol_table::add_from_dynobj(
&& !is_ordinary
&& name_key == version_key)
res = this->add_from_object(dynobj, name, name_key, NULL, 0,
- false, sym, st_shndx, is_ordinary,
+ false, *psym, st_shndx, is_ordinary,
st_shndx);
else
{
const bool def = (!hidden
&& st_shndx != elfcpp::SHN_UNDEF);
res = this->add_from_object(dynobj, name, name_key, version,
- version_key, def, sym, st_shndx,
+ version_key, def, *psym, st_shndx,
is_ordinary, st_shndx);
}
}
@@ -1047,7 +1061,7 @@ Symbol_table::add_from_dynobj(
// earlier object, in which case it can't be aliased here.
if (st_shndx != elfcpp::SHN_UNDEF
&& is_ordinary
- && sym.get_st_type() == elfcpp::STT_OBJECT
+ && psym->get_st_type() == elfcpp::STT_OBJECT
&& res->source() == Symbol::FROM_OBJECT
&& res->object() == dynobj)
object_symbols.push_back(res);
diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index 9cbf83cd87..9f8caeb977 100644
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -750,6 +750,28 @@ check_DATA += ver_test_7.syms
ver_test_7.syms: ver_test_7.so
$(TEST_READELF) -s $< >$@ 2>/dev/null
+check_PROGRAMS += protected_1
+protected_1_SOURCES = \
+ protected_main_1.cc protected_main_2.cc protected_main_3.cc
+protected_1_DEPENDENCIES = gcctestdir/ld protected_1.so
+protected_1_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
+protected_1_LDADD = protected_1.so
+
+protected_1.so: gcctestdir/ld protected_1_pic.o protected_2_pic.o protected_3_pic.o
+ $(CXXLINK) -Bgcctestdir/ -shared protected_1_pic.o protected_2_pic.o protected_3_pic.o
+protected_1_pic.o: protected_1.cc
+ $(CXXCOMPILE) -c -fpic -o $@ $<
+protected_2_pic.o: protected_2.cc
+ $(CXXCOMPILE) -c -fpic -o $@ $<
+protected_3_pic.o: protected_3.cc
+ $(CXXCOMPILE) -c -fpic -o $@ $<
+
+check_PROGRAMS += protected_2
+protected_2_SOURCES = protected_main_1.cc protected_3.cc
+protected_2_DEPENDENCIES = gcctestdir/ld protected_1.so
+protected_2_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
+protected_2_LDADD = protected_1.so
+
check_PROGRAMS += script_test_1
script_test_1_SOURCES = script_test_1.cc
script_test_1_DEPENDENCIES = gcctestdir/ld script_test_1.t
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index 9a4596ffcd..877249d629 100644
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -226,7 +226,8 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
# Test symbol versioning.
@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_19 = ver_test ver_test_2 \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6 script_test_1 \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6 protected_1 \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_2 script_test_1 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2 justsyms \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ binary_test script_test_3
@GCC_FALSE@script_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \
@@ -263,7 +264,9 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/../config/gettext-sister.m4 \
$(top_srcdir)/../config/lead-dot.m4 \
- $(top_srcdir)/../config/nls.m4 $(top_srcdir)/../config/po.m4 \
+ $(top_srcdir)/../config/nls.m4 \
+ $(top_srcdir)/../config/override.m4 \
+ $(top_srcdir)/../config/po.m4 \
$(top_srcdir)/../config/proginstall.m4 \
$(top_srcdir)/../config/progtest.m4 \
$(top_srcdir)/../bfd/warning.m4 $(top_srcdir)/configure.ac
@@ -339,6 +342,8 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
@GCC_TRUE@@NATIVE_LINKER_TRUE@am__EXEEXT_15 = ver_test$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_2$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6$(EXEEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_1$(EXEEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_2$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_1$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms$(EXEEXT) \
@@ -495,6 +500,18 @@ object_unittest_LDADD = $(LDADD)
object_unittest_DEPENDENCIES = libgoldtest.a ../libgold.a \
../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
$(am__DEPENDENCIES_1)
+am__protected_1_SOURCES_DIST = protected_main_1.cc protected_main_2.cc \
+ protected_main_3.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am_protected_1_OBJECTS = \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_main_1.$(OBJEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_main_2.$(OBJEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_main_3.$(OBJEXT)
+protected_1_OBJECTS = $(am_protected_1_OBJECTS)
+am__protected_2_SOURCES_DIST = protected_main_1.cc protected_3.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am_protected_2_OBJECTS = \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_main_1.$(OBJEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_3.$(OBJEXT)
+protected_2_OBJECTS = $(am_protected_2_OBJECTS)
am__script_test_1_SOURCES_DIST = script_test_1.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@am_script_test_1_OBJECTS = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_1.$(OBJEXT)
@@ -736,6 +753,7 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
flagstest_o_specialfile_and_compress_debug_sections.c \
$(initpri1_SOURCES) $(justsyms_SOURCES) many_sections_r_test.c \
$(many_sections_test_SOURCES) $(object_unittest_SOURCES) \
+ $(protected_1_SOURCES) $(protected_2_SOURCES) \
$(script_test_1_SOURCES) $(script_test_2_SOURCES) \
script_test_3.c $(tls_pic_test_SOURCES) \
$(tls_shared_gd_to_ie_test_SOURCES) \
@@ -782,7 +800,9 @@ DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
flagstest_o_specialfile_and_compress_debug_sections.c \
$(am__initpri1_SOURCES_DIST) $(am__justsyms_SOURCES_DIST) \
many_sections_r_test.c $(am__many_sections_test_SOURCES_DIST) \
- $(object_unittest_SOURCES) $(am__script_test_1_SOURCES_DIST) \
+ $(object_unittest_SOURCES) $(am__protected_1_SOURCES_DIST) \
+ $(am__protected_2_SOURCES_DIST) \
+ $(am__script_test_1_SOURCES_DIST) \
$(am__script_test_2_SOURCES_DIST) script_test_3.c \
$(am__tls_pic_test_SOURCES_DIST) \
$(am__tls_shared_gd_to_ie_test_SOURCES_DIST) \
@@ -1262,6 +1282,16 @@ binary_unittest_SOURCES = binary_unittest.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_6_DEPENDENCIES = gcctestdir/ld ver_test_2.so
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_6_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_6_LDADD = ver_test_2.so
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1_SOURCES = \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_main_1.cc protected_main_2.cc protected_main_3.cc
+
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1_DEPENDENCIES = gcctestdir/ld protected_1.so
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1_LDADD = protected_1.so
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_2_SOURCES = protected_main_1.cc protected_3.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_2_DEPENDENCIES = gcctestdir/ld protected_1.so
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_2_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_2_LDADD = protected_1.so
@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_1_SOURCES = script_test_1.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_1_DEPENDENCIES = gcctestdir/ld script_test_1.t
@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_1_LDFLAGS = -Bgcctestdir/ -Wl,-R,. -T $(srcdir)/script_test_1.t
@@ -1420,6 +1450,12 @@ many_sections_test$(EXEEXT): $(many_sections_test_OBJECTS) $(many_sections_test_
object_unittest$(EXEEXT): $(object_unittest_OBJECTS) $(object_unittest_DEPENDENCIES)
@rm -f object_unittest$(EXEEXT)
$(CXXLINK) $(object_unittest_LDFLAGS) $(object_unittest_OBJECTS) $(object_unittest_LDADD) $(LIBS)
+protected_1$(EXEEXT): $(protected_1_OBJECTS) $(protected_1_DEPENDENCIES)
+ @rm -f protected_1$(EXEEXT)
+ $(CXXLINK) $(protected_1_LDFLAGS) $(protected_1_OBJECTS) $(protected_1_LDADD) $(LIBS)
+protected_2$(EXEEXT): $(protected_2_OBJECTS) $(protected_2_DEPENDENCIES)
+ @rm -f protected_2$(EXEEXT)
+ $(CXXLINK) $(protected_2_LDFLAGS) $(protected_2_OBJECTS) $(protected_2_LDADD) $(LIBS)
script_test_1$(EXEEXT): $(script_test_1_OBJECTS) $(script_test_1_DEPENDENCIES)
@rm -f script_test_1$(EXEEXT)
$(CXXLINK) $(script_test_1_LDFLAGS) $(script_test_1_OBJECTS) $(script_test_1_LDADD) $(LIBS)
@@ -1572,6 +1608,10 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/many_sections_r_test.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/many_sections_test.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/object_unittest.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protected_3.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protected_main_1.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protected_main_2.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/protected_main_3.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_2.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_2a.Po@am__quote@
@@ -2123,6 +2163,15 @@ uninstall-am: uninstall-info-am
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_7.syms: ver_test_7.so
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_READELF) -s $< >$@ 2>/dev/null
+
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1.so: gcctestdir/ld protected_1_pic.o protected_2_pic.o protected_3_pic.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared protected_1_pic.o protected_2_pic.o protected_3_pic.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1_pic.o: protected_1.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_2_pic.o: protected_2.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
+@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_3_pic.o: protected_3.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
@GCC_TRUE@@NATIVE_LINKER_TRUE@justsyms_2.o: justsyms_2.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -o $@ $<
@GCC_TRUE@@NATIVE_LINKER_TRUE@justsyms_2r.o: justsyms_2.o gcctestdir/ld $(srcdir)/justsyms.t
diff --git a/gold/testsuite/protected_1.cc b/gold/testsuite/protected_1.cc
new file mode 100644
index 0000000000..9183312489
--- /dev/null
+++ b/gold/testsuite/protected_1.cc
@@ -0,0 +1,33 @@
+// protected_1.cc -- a test case for gold
+
+// 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.
+
+// The function f1 is protected, which means that other callers in the
+// same shared library will call this version.
+
+int
+f1() __attribute__ ((__visibility__ ("protected")));
+
+int
+f1()
+{
+ return 1;
+}
diff --git a/gold/testsuite/protected_2.cc b/gold/testsuite/protected_2.cc
new file mode 100644
index 0000000000..19d8276e79
--- /dev/null
+++ b/gold/testsuite/protected_2.cc
@@ -0,0 +1,31 @@
+// protected_2.cc -- a test case for gold
+
+// 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.
+
+// This should call the protected version of f1.
+
+extern int f1();
+
+bool
+t1()
+{
+ return f1() == 1;
+}
diff --git a/gold/testsuite/protected_3.cc b/gold/testsuite/protected_3.cc
new file mode 100644
index 0000000000..8a27a2a6af
--- /dev/null
+++ b/gold/testsuite/protected_3.cc
@@ -0,0 +1,33 @@
+// protected_2.cc -- a test case for gold
+
+// 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.
+
+// This will also call the protected version of f1. In some versions
+// of the test this will be overridden by a version in the main
+// program.
+
+extern int f1();
+
+bool
+t2()
+{
+ return f1() == 1;
+}
diff --git a/gold/testsuite/protected_main_1.cc b/gold/testsuite/protected_main_1.cc
new file mode 100644
index 0000000000..cc387a4959
--- /dev/null
+++ b/gold/testsuite/protected_main_1.cc
@@ -0,0 +1,36 @@
+// protected_main_1.cc -- a test case for gold
+
+// 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.
+
+#include <cassert>
+
+// This function in the shared library will call the protected version
+// of f1 in the shared library.
+
+extern bool t1();
+extern bool t2();
+
+int
+main()
+{
+ assert(t1());
+ assert(t2());
+}
diff --git a/gold/testsuite/protected_main_2.cc b/gold/testsuite/protected_main_2.cc
new file mode 100644
index 0000000000..69603227a2
--- /dev/null
+++ b/gold/testsuite/protected_main_2.cc
@@ -0,0 +1,29 @@
+// protected_main_2.cc -- a test case for gold
+
+// 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.
+
+// This version of f1 will not be called by the shared library code.
+
+int
+f1()
+{
+ return 2;
+}
diff --git a/gold/testsuite/protected_main_3.cc b/gold/testsuite/protected_main_3.cc
new file mode 100644
index 0000000000..f356f3d2de
--- /dev/null
+++ b/gold/testsuite/protected_main_3.cc
@@ -0,0 +1,31 @@
+// protected_main_3.cc -- a test case for gold
+
+// 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.
+
+// This should call the unprotected version of f1.
+
+extern int f1();
+
+bool
+t2()
+{
+ return f1() == 2;
+}
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