Fix problem where gold does not create base version for executables.

gold/
	PR gold/23268
	* dynobj.cc (Versions::Versions): Change init for needs_base_version_.
	(Versions::record_version): Add verdefs for both shared objects and
	executables.
	(Versions::add_def): Likewise for base version.
	(Versions::add_need): Don't add base version for executables.
	(Versions::version_index): Look up version for both shared objects and
	executables.
	* testsuite/Makefile.am (ver_test_14): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/ver_test_14.script: New version script.
	* testsuite/ver_test_14.sh: New test script.
This commit is contained in:
Cary Coutant 2018-06-20 01:24:11 -07:00
parent 160d1b3d74
commit ebb1332297
6 changed files with 93 additions and 18 deletions

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@ -1,3 +1,18 @@
2018-06-20 Cary Coutant <ccoutant@gmail.com>
PR gold/23268
* dynobj.cc (Versions::Versions): Change init for needs_base_version_.
(Versions::record_version): Add verdefs for both shared objects and
executables.
(Versions::add_def): Likewise for base version.
(Versions::add_need): Don't add base version for executables.
(Versions::version_index): Look up version for both shared objects and
executables.
* testsuite/Makefile.am (ver_test_14): New test case.
* testsuite/Makefile.in: Regenerate.
* testsuite/ver_test_14.script: New version script.
* testsuite/ver_test_14.sh: New test script.
2018-06-19 Joshua Watt <jpewhacker@gmail.com>
Cary Coutant <ccoutant@gmail.com>

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@ -1439,7 +1439,7 @@ Versions::Versions(const Version_script_info& version_script,
Stringpool* dynpool)
: defs_(), needs_(), version_table_(),
is_finalized_(false), version_script_(version_script),
needs_base_version_(parameters->options().shared())
needs_base_version_(true)
{
if (!this->version_script_.empty())
{
@ -1536,7 +1536,6 @@ Versions::record_version(const Symbol_table* symtab,
if (!sym->is_from_dynobj() && !sym->is_copied_from_dynobj())
{
if (parameters->options().shared())
this->add_def(dynpool, sym, version, version_key);
}
else
@ -1574,18 +1573,13 @@ Versions::add_def(Stringpool* dynpool, const Symbol* sym, const char* version,
// find a definition of a symbol with a version which is not
// in the version script.
if (parameters->options().shared())
{
gold_error(_("symbol %s has undefined version %s"),
sym->demangled_name().c_str(), version);
if (this->needs_base_version_)
this->define_base_version(dynpool);
}
else
// We only insert a base version for shared library.
gold_assert(!this->needs_base_version_);
// When creating a regular executable, automatically define
// a new version.
if (this->needs_base_version_)
this->define_base_version(dynpool);
Verdef* vd = new Verdef(version, std::vector<std::string>(),
false, false, false, false);
this->defs_.push_back(vd);
@ -1631,7 +1625,7 @@ Versions::add_need(Stringpool* dynpool, const char* filename, const char* name,
if (vn == NULL)
{
// Create base version definition lazily for shared library.
if (this->needs_base_version_)
if (parameters->options().shared() && this->needs_base_version_)
this->define_base_version(dynpool);
// We have a new filename.
@ -1715,8 +1709,6 @@ Versions::version_index(const Symbol_table* symtab, const Stringpool* dynpool,
Key k;
if (!sym->is_from_dynobj() && !sym->is_copied_from_dynobj())
{
if (!parameters->options().shared())
return elfcpp::VER_NDX_GLOBAL;
k = Key(version_key, 0);
}
else

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@ -1873,6 +1873,13 @@ ver_test_13.so: gcctestdir/ld ver_test_13.o ver_test_13.script
ver_test_13.o: ver_test_13.c
$(COMPILE) -c -fpic -o $@ $<
check_SCRIPTS += ver_test_14.sh
check_DATA += ver_test_14.syms
ver_test_14.syms: ver_test_14
$(TEST_OBJDUMP) -T $< | $(TEST_CXXFILT) >$@
ver_test_14: gcctestdir/ld ver_test_main.o ver_test_1.so ver_test_2.so ver_test_4.so ver_test_14.script
$(CXXLINK) -Bgcctestdir/ -Wl,--version-script,$(srcdir)/ver_test_14.script -Wl,-E -Wl,-R,. ver_test_main.o ver_test_1.so ver_test_2.so ver_test_4.so
check_PROGRAMS += protected_1
protected_1_SOURCES = \
protected_main_1.cc protected_main_2.cc protected_main_3.cc

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@ -479,7 +479,7 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_4.sh ver_test_5.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_7.sh ver_test_8.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_10.sh ver_test_13.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_14.sh relro_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_matching_test.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_3.sh \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_4.sh \
@ -533,7 +533,8 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_7.syms \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_8_2.so.syms \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_10.syms \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_13.syms protected_3.err \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_13.syms \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_14.syms protected_3.err \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test.stdout \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_matching_test.stdout \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_3.stdout \
@ -5794,6 +5795,13 @@ ver_test_13.sh.log: ver_test_13.sh
--log-file $$b.log --trs-file $$b.trs \
$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
"$$tst" $(AM_TESTS_FD_REDIRECT)
ver_test_14.sh.log: ver_test_14.sh
@p='ver_test_14.sh'; \
b='ver_test_14.sh'; \
$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
--log-file $$b.log --trs-file $$b.trs \
$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
"$$tst" $(AM_TESTS_FD_REDIRECT)
relro_test.sh.log: relro_test.sh
@p='relro_test.sh'; \
b='relro_test.sh'; \
@ -8700,6 +8708,10 @@ uninstall-am:
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(LINK) -Bgcctestdir/ -shared -Wl,--version-script,$(srcdir)/ver_test_13.script ver_test_13.o
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_13.o: ver_test_13.c
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(COMPILE) -c -fpic -o $@ $<
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_14.syms: ver_test_14
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_OBJDUMP) -T $< | $(TEST_CXXFILT) >$@
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_14: gcctestdir/ld ver_test_main.o ver_test_1.so ver_test_2.so ver_test_4.so ver_test_14.script
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -Wl,--version-script,$(srcdir)/ver_test_14.script -Wl,-E -Wl,-R,. ver_test_main.o ver_test_1.so ver_test_2.so ver_test_4.so
@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

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@ -0,0 +1,6 @@
V1 {
global:
extern "C++" {
"t2()"; "t3()"; "t4()";
};
};

43
gold/testsuite/ver_test_14.sh Executable file
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@ -0,0 +1,43 @@
#!/bin/sh
# ver_test_14.sh -- a test case for version scripts
# Copyright (C) 2018 Free Software Foundation, Inc.
# Written by Cary Coutant <ccoutant@gmail.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 "$1"
exit 1
fi
}
check ver_test_14.syms "V1 *t2()$"
check ver_test_14.syms "V1 *t3()$"
check ver_test_14.syms "V1 *t4()$"
check ver_test_14.syms "Base *t4_2a$"
exit 0