{
if (!read_dynamic_list(arg, cmdline, &this->dynamic_list_))
gold::gold_fatal(_("unable to parse dynamic-list script file %s"), arg);
+ this->have_dynamic_list_ = true;
}
void
do_demangle_(false),
plugins_(NULL),
dynamic_list_(),
+ have_dynamic_list_(false),
incremental_mode_(INCREMENTAL_OFF),
incremental_disposition_(INCREMENTAL_STARTUP),
incremental_startup_disposition_(INCREMENTAL_CHECK),
// in the path, as appropriate.
this->add_sysroot();
+ // --dynamic-list overrides -Bsymbolic and -Bsymbolic-functions.
+ if (this->have_dynamic_list())
+ {
+ this->set_Bsymbolic(false);
+ this->set_Bsymbolic_functions(false);
+ }
+
// Now that we've normalized the options, check for contradictory ones.
if (this->shared() && this->is_static())
gold_fatal(_("-shared and -static are incompatible"));
in_dynamic_list(const char* symbol) const
{ return this->dynamic_list_.version_script_info()->symbol_is_local(symbol); }
+ // True if a --dynamic-list script was provided.
+ bool
+ have_dynamic_list() const
+ { return this->have_dynamic_list_; }
+
// Finalize the dynamic list.
void
finalize_dynamic_list()
// script.cc, we store this as a Script_options object, even though
// we only use a single Version_tree from it.
Script_options dynamic_list_;
+ // Whether a --dynamic-list file was provided.
+ bool have_dynamic_list_;
// The incremental linking mode.
Incremental_mode incremental_mode_;
// The disposition given by the --incremental-changed,
&& res->is_externally_visible()
&& !res->is_from_dynobj()
&& (parameters->options().shared()
- || parameters->options().export_dynamic()))
+ || parameters->options().export_dynamic()
+ || parameters->options().in_dynamic_list(res->name())))
this->gc_mark_symbol(res);
if (is_defined_in_discarded_section)
if (!parameters->options().shared())
return false;
- // If the user used -Bsymbolic, then nothing is preemptible.
- if (parameters->options().Bsymbolic())
+ // If the symbol was named in a --dynamic-list script, it is preemptible.
+ if (parameters->options().in_dynamic_list(this->name()))
+ return true;
+
+ // If the user used -Bsymbolic or provided a --dynamic-list script,
+ // then nothing (else) is preemptible.
+ if (parameters->options().Bsymbolic()
+ || parameters->options().have_dynamic_list())
return false;
// If the user used -Bsymbolic-functions, then functions are not
pr14265.stdout: pr14265
$(TEST_NM) --format=bsd --numeric-sort $< > $@
+check_SCRIPTS += gc_dynamic_list_test.sh
+check_DATA += gc_dynamic_list_test.stdout
+MOSTLYCLEANFILES += gc_dynamic_list_test
+gc_dynamic_list_test.o: gc_dynamic_list_test.c
+ $(COMPILE) -c -ffunction-sections -o $@ $<
+gc_dynamic_list_test: gc_dynamic_list_test.o gcctestdir/ld $(srcdir)/gc_dynamic_list_test.t
+ $(LINK) -Bgcctestdir/ -Wl,--gc-sections -Wl,--dynamic-list,$(srcdir)/gc_dynamic_list_test.t gc_dynamic_list_test.o
+gc_dynamic_list_test.stdout: gc_dynamic_list_test
+ $(TEST_NM) gc_dynamic_list_test > $@
+
check_SCRIPTS += icf_test.sh
check_DATA += icf_test.map
MOSTLYCLEANFILES += icf_test icf_test.map
dynamic_list.stdout: dynamic_list
$(TEST_READELF) -W --dyn-syms dynamic_list > dynamic_list.stdout
+check_PROGRAMS += dynamic_list_2
+dynamic_list_2_SOURCES = dynamic_list_2.cc
+dynamic_list_2_DEPENDENCIES = gcctestdir/ld dynamic_list_lib1.so dynamic_list_lib2.so
+dynamic_list_2_LDFLAGS = -Bgcctestdir/ -L. -Wl,-R,. -Wl,--no-as-needed
+dynamic_list_2_LDADD = dynamic_list_lib1.so dynamic_list_lib2.so
+
+dynamic_list_lib1.so: gcctestdir/ld dynamic_list_lib1.o
+ $(CXXLINK) -Bgcctestdir/ -shared dynamic_list_lib1.o
+dynamic_list_lib1.o: dynamic_list_lib1.cc
+ $(CXXCOMPILE) -c -fpic -o $@ $<
+
+dynamic_list_lib2.so: gcctestdir/ld dynamic_list_lib2.o $(srcdir)/dynamic_list_2.t
+ $(CXXLINK) -Bgcctestdir/ -shared -Wl,--dynamic-list,$(srcdir)/dynamic_list_2.t dynamic_list_lib2.o
+dynamic_list_lib2.o: dynamic_list_lib2.cc
+ $(CXXCOMPILE) -c -fpic -o $@ $<
+
check_PROGRAMS += thin_archive_test_1
MOSTLYCLEANFILES += libthin1.a libthin3.a libthinall.a \
alt/thin_archive_test_2.o alt/thin_archive_test_4.o \
@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_2 = incremental_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_comdat_test.sh gc_tls_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_orphan_section_test.sh \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@ pr14265.sh icf_test.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ pr14265.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_dynamic_list_test.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_keep_unique_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_safe_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_safe_so_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_comdat_test.stdout \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_tls_test.stdout \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_orphan_section_test.stdout \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@ pr14265.stdout icf_test.map \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ pr14265.stdout \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_dynamic_list_test.stdout \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_test.map \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_keep_unique_test.stdout \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_safe_test_1.stdout \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_safe_test_2.stdout \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ incremental_test.cmdline \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_comdat_test gc_tls_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_orphan_section_test pr14265 \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_test icf_test.map \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ gc_dynamic_list_test icf_test \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_test.map \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_keep_unique_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_safe_test icf_safe_test.map \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ icf_safe_so_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_3 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ tls_phdrs_script_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ tls_script_test script_test_11 \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ dynamic_list_2 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_1 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_2
@GCC_FALSE@script_test_1_DEPENDENCIES =
@GCC_TRUE@@NATIVE_LINKER_TRUE@ tls_phdrs_script_test$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ tls_script_test$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_11$(EXEEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ dynamic_list_2$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_1$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_2$(EXEEXT)
@GCC_TRUE@@NATIVE_LINKER_TRUE@@PLUGINS_TRUE@am__EXEEXT_23 = plugin_test_1$(EXEEXT) \
$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
discard_locals_test_LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
$(discard_locals_test_LDFLAGS) $(LDFLAGS) -o $@
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am_dynamic_list_2_OBJECTS = \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ dynamic_list_2.$(OBJEXT)
+dynamic_list_2_OBJECTS = $(am_dynamic_list_2_OBJECTS)
+dynamic_list_2_LINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \
+ $(dynamic_list_2_LDFLAGS) $(LDFLAGS) -o $@
@GCC_TRUE@@NATIVE_LINKER_TRUE@am_exception_same_shared_test_OBJECTS = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_test_main.$(OBJEXT)
exception_same_shared_test_OBJECTS = \
$(common_test_1_SOURCES) $(common_test_2_SOURCES) \
$(constructor_static_test_SOURCES) $(constructor_test_SOURCES) \
$(copy_test_SOURCES) $(discard_locals_test_SOURCES) \
+ $(dynamic_list_2_SOURCES) \
$(exception_same_shared_test_SOURCES) \
$(exception_separate_shared_12_test_SOURCES) \
$(exception_separate_shared_21_test_SOURCES) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@tls_script_test_DEPENDENCIES = $(tls_test_DEPENDENCIES) $(srcdir)/script_test_4.t
@GCC_TRUE@@NATIVE_LINKER_TRUE@tls_script_test_LDFLAGS = $(tls_test_LDFLAGS) -Wl,-T,$(srcdir)/script_test_4.t
@GCC_TRUE@@NATIVE_LINKER_TRUE@tls_script_test_LDADD = $(tls_test_LDADD)
+@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list_2_SOURCES = dynamic_list_2.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list_2_DEPENDENCIES = gcctestdir/ld dynamic_list_lib1.so dynamic_list_lib2.so
+@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list_2_LDFLAGS = -Bgcctestdir/ -L. -Wl,-R,. -Wl,--no-as-needed
+@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list_2_LDADD = dynamic_list_lib1.so dynamic_list_lib2.so
@GCC_TRUE@@NATIVE_LINKER_TRUE@thin_archive_test_1_SOURCES = thin_archive_main.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@thin_archive_test_1_DEPENDENCIES = gcctestdir/ld libthin1.a alt/libthin2.a
@GCC_TRUE@@NATIVE_LINKER_TRUE@thin_archive_test_1_LDFLAGS = -Bgcctestdir/ -Lalt
discard_locals_test$(EXEEXT): $(discard_locals_test_OBJECTS) $(discard_locals_test_DEPENDENCIES)
@rm -f discard_locals_test$(EXEEXT)
$(discard_locals_test_LINK) $(discard_locals_test_OBJECTS) $(discard_locals_test_LDADD) $(LIBS)
+dynamic_list_2$(EXEEXT): $(dynamic_list_2_OBJECTS) $(dynamic_list_2_DEPENDENCIES)
+ @rm -f dynamic_list_2$(EXEEXT)
+ $(dynamic_list_2_LINK) $(dynamic_list_2_OBJECTS) $(dynamic_list_2_LDADD) $(LIBS)
exception_same_shared_test$(EXEEXT): $(exception_same_shared_test_OBJECTS) $(exception_same_shared_test_DEPENDENCIES)
@rm -f exception_same_shared_test$(EXEEXT)
$(exception_same_shared_test_LINK) $(exception_same_shared_test_OBJECTS) $(exception_same_shared_test_LDADD) $(LIBS)
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/constructor_test.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/copy_test.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/discard_locals_test.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dynamic_list_2.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/exception_test_1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/exception_test_2.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/exception_test_main.Po@am__quote@
@p='gc_orphan_section_test.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
pr14265.sh.log: pr14265.sh
@p='pr14265.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
+gc_dynamic_list_test.sh.log: gc_dynamic_list_test.sh
+ @p='gc_dynamic_list_test.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
icf_test.sh.log: icf_test.sh
@p='icf_test.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
icf_keep_unique_test.sh.log: icf_keep_unique_test.sh
@p='tls_script_test$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
script_test_11.log: script_test_11$(EXEEXT)
@p='script_test_11$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
+dynamic_list_2.log: dynamic_list_2$(EXEEXT)
+ @p='dynamic_list_2$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
thin_archive_test_1.log: thin_archive_test_1$(EXEEXT)
@p='thin_archive_test_1$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
thin_archive_test_2.log: thin_archive_test_2$(EXEEXT)
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(LINK) -Bgcctestdir/ -Wl,--gc-sections -Wl,-T,$(srcdir)/pr14265.t -o $@ $<
@GCC_TRUE@@NATIVE_LINKER_TRUE@pr14265.stdout: pr14265
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_NM) --format=bsd --numeric-sort $< > $@
+@GCC_TRUE@@NATIVE_LINKER_TRUE@gc_dynamic_list_test.o: gc_dynamic_list_test.c
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -c -ffunction-sections -o $@ $<
+@GCC_TRUE@@NATIVE_LINKER_TRUE@gc_dynamic_list_test: gc_dynamic_list_test.o gcctestdir/ld $(srcdir)/gc_dynamic_list_test.t
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(LINK) -Bgcctestdir/ -Wl,--gc-sections -Wl,--dynamic-list,$(srcdir)/gc_dynamic_list_test.t gc_dynamic_list_test.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@gc_dynamic_list_test.stdout: gc_dynamic_list_test
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_NM) gc_dynamic_list_test > $@
@GCC_TRUE@@NATIVE_LINKER_TRUE@icf_test.o: icf_test.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -O0 -c -ffunction-sections -g -o $@ $<
@GCC_TRUE@@NATIVE_LINKER_TRUE@icf_test: icf_test.o gcctestdir/ld
@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list.stdout: dynamic_list
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_READELF) -W --dyn-syms dynamic_list > dynamic_list.stdout
+@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list_lib1.so: gcctestdir/ld dynamic_list_lib1.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared dynamic_list_lib1.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list_lib1.o: dynamic_list_lib1.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
+
+@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list_lib2.so: gcctestdir/ld dynamic_list_lib2.o $(srcdir)/dynamic_list_2.t
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared -Wl,--dynamic-list,$(srcdir)/dynamic_list_2.t dynamic_list_lib2.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list_lib2.o: dynamic_list_lib2.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
+
@GCC_TRUE@@NATIVE_LINKER_TRUE@libthin1.a: thin_archive_test_1.o alt/thin_archive_test_2.o
@GCC_TRUE@@NATIVE_LINKER_TRUE@ rm -f $@
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AR) crT $@ $^
--- /dev/null
+// dynamic_list_test_2.cc -- Test --dynamic-list with shared libraries.
+
+// Copyright 2014 Free Software Foundation, Inc.
+// Written by Cary Coutant <ccoutant@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 goal of this program is to verify that the --dynamic-list option
+// allows overrides for symbols listed in the file, and does symbolic
+// binding for symbols not listed.
+
+#include <cstring>
+
+extern const char* test_foo();
+extern const char* test_bar();
+
+int
+main(void)
+{
+ if (strcmp(test_foo(), "override") != 0)
+ return 1;
+ if (strcmp(test_bar(), "original") != 0)
+ return 2;
+ return 0;
+}
--- /dev/null
+/* dynamic_list_2.t -- script file for building dynamic_list_lib2.so.
+
+ Copyright 2014 Free Software Foundation, Inc.
+ Written by Cary Coutant <ccoutant@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. */
+
+{
+ extern "C" {
+ "foo";
+ };
+};
--- /dev/null
+// dynamic_list_test_lib1.cc -- Test --dynamic-list with shared libraries.
+
+// Copyright 2014 Free Software Foundation, Inc.
+// Written by Cary Coutant <ccoutant@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 goal of this program is to verify that the --dynamic-list option
+// allows overrides for symbols listed in the file, and does symbolic
+// binding for symbols not listed.
+
+extern "C" const char*
+foo()
+{
+ return "override";
+}
+
+extern "C" const char*
+bar()
+{
+ return "override";
+}
--- /dev/null
+// dynamic_list_test_lib2.cc -- Test --dynamic-list with shared libraries.
+
+// Copyright 2014 Free Software Foundation, Inc.
+// Written by Cary Coutant <ccoutant@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 goal of this program is to verify that the --dynamic-list option
+// allows overrides for symbols listed in the file, and does symbolic
+// binding for symbols not listed.
+
+extern "C" const char*
+foo()
+{
+ return "original";
+}
+
+const char*
+test_foo()
+{
+ return foo();
+}
+
+extern "C" const char*
+bar()
+{
+ return "original";
+}
+
+const char*
+test_bar()
+{
+ return bar();
+}
--- /dev/null
+// gc_dynamic_list_test.cc -- Check that --gc-sections honors --dynamic-list.
+
+// Copyright 2014 Free Software Foundation, Inc.
+// Written by Cary Coutant <ccoutant@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 goal of this program is to verify that the symbol "keep" is not
+// garbage-collected when it is named in a --dynamic-list script.
+
+extern void keep(void);
+
+void
+keep(void)
+{}
+
+int
+main(void)
+{ return 0; }
--- /dev/null
+#!/bin/sh
+
+# gc_comdat_test.sh -- test --gc-sections
+
+# Copyright 2014 Free Software Foundation, Inc.
+# Written by Cary Coutant <ccoutant@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 goal of this program is to verify if comdat's and garbage
+# collection work together. Files gc_comdat_test_1.cc and
+# gc_comdat_test_2.cc are used in this test. This program checks
+# if the kept comdat section is garbage collected.
+
+check()
+{
+ if ! grep -q "$2" "$1"
+ then
+ echo "Garbage collection should not have collected '$2'"
+ exit 1
+ fi
+}
+
+check gc_dynamic_list_test.stdout "keep"
--- /dev/null
+/* gc_dynamic_list_test.t -- script file for gc_dynamic_list_test.cc
+
+ Copyright 2014 Free Software Foundation, Inc.
+ Written by Cary Coutant <ccoutant@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. */
+
+{
+ keep;
+};
projects / deliverable / binutils-gdb.git / commitdiff
