mirror of
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* symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
aliases for symbols defined in the same object. * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test. (weak_alias_test_SOURCES): New variable. (weak_alias_test_DEPENDENCIES): New variable. (weak_alias_test_LDFLAGS): New variable. (weak_alias_test_LDADD): New variable. (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets. (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets. (weak_alias_test_3.o): New target. (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets. * testsuite/weak_alias_test_main.cc: New file. * testsuite/weak_alias_test_1.cc: New file. * testsuite/weak_alias_test_2.cc: New file. * testsuite/weak_alias_test_3.cc: New file.
This commit is contained in:
Ian Lance Taylor
parent
de051565df
commit
99a37bfda0
@ -1,3 +1,21 @@
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2008-04-09 Ian Lance Taylor <iant@google.com>
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* symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
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aliases for symbols defined in the same object.
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* testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
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(weak_alias_test_SOURCES): New variable.
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(weak_alias_test_DEPENDENCIES): New variable.
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(weak_alias_test_LDFLAGS): New variable.
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(weak_alias_test_LDADD): New variable.
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(weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
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(weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
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(weak_alias_test_3.o): New target.
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(weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
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* testsuite/weak_alias_test_main.cc: New file.
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* testsuite/weak_alias_test_1.cc: New file.
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* testsuite/weak_alias_test_2.cc: New file.
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* testsuite/weak_alias_test_3.cc: New file.
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2008-04-08 Ian Lance Taylor <iant@google.com>
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* options.h (class General_options): Add --noinhibit-exec option.
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@ -1006,8 +1006,12 @@ Symbol_table::add_from_dynobj(
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}
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}
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// Note that it is possible that RES was overridden by an
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// earlier object, in which case it can be aliased here.
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if (sym.get_st_shndx() != elfcpp::SHN_UNDEF
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&& sym.get_st_type() == elfcpp::STT_OBJECT)
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&& sym.get_st_type() == elfcpp::STT_OBJECT
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&& res->source() == Symbol::FROM_OBJECT
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&& res->object() == dynobj)
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object_symbols.push_back(res);
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}
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@ -380,6 +380,30 @@ alt/weak_undef_lib.so: weak_undef_file2.o
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test -d alt || mkdir -p alt
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$(CXXLINK) -Bgcctestdir/ -shared weak_undef_file2.o
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check_PROGRAMS += weak_alias_test
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weak_alias_test_SOURCES = weak_alias_test_main.cc
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weak_alias_test_DEPENDENCIES = \
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gcctestdir/ld weak_alias_test_1.so weak_alias_test_2.so \
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weak_alias_test_3.o weak_alias_test_4.so
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weak_alias_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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weak_alias_test_LDADD = \
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weak_alias_test_1.so weak_alias_test_2.so weak_alias_test_3.o \
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weak_alias_test_4.so
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weak_alias_test_1_pic.o: weak_alias_test_1.cc
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$(CXXCOMPILE) -c -fpic -o $@ $<
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weak_alias_test_1.so: weak_alias_test_1_pic.o
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$(CXXLINK) -Bgcctestdir/ -shared weak_alias_test_1_pic.o
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weak_alias_test_2_pic.o: weak_alias_test_2.cc
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$(CXXCOMPILE) -c -fpic -o $@ $<
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weak_alias_test_2.so: weak_alias_test_2_pic.o
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$(CXXLINK) -Bgcctestdir/ -shared weak_alias_test_2_pic.o
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weak_alias_test_3.o: weak_alias_test_3.cc
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$(CXXCOMPILE) -c -o $@ $<
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weak_alias_test_4_pic.o: weak_alias_test_4.cc
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$(CXXCOMPILE) -c -fpic -o $@ $<
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weak_alias_test_4.so: weak_alias_test_4_pic.o
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$(CXXLINK) -Bgcctestdir/ -shared weak_alias_test_4_pic.o
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if TLS
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check_PROGRAMS += tls_test
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@ -112,7 +112,8 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_same_shared_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_separate_shared_12_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_separate_shared_21_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_test weak_undef_test
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_test weak_undef_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_alias_test
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@GCC_FALSE@common_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \
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@GCC_FALSE@ ../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
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@GCC_FALSE@ $(am__DEPENDENCIES_1)
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@ -297,7 +298,8 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_separate_shared_12_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ exception_separate_shared_21_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_undef_test$(EXEEXT)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_undef_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_alias_test$(EXEEXT)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@am__EXEEXT_4 = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@ tls_test$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@ tls_pic_test$(EXEEXT) \
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@ -642,6 +644,10 @@ am__ver_test_6_SOURCES_DIST = ver_test_6.c
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am_ver_test_6_OBJECTS = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6.$(OBJEXT)
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ver_test_6_OBJECTS = $(am_ver_test_6_OBJECTS)
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am__weak_alias_test_SOURCES_DIST = weak_alias_test_main.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am_weak_alias_test_OBJECTS = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_alias_test_main.$(OBJEXT)
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weak_alias_test_OBJECTS = $(am_weak_alias_test_OBJECTS)
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am__weak_test_SOURCES_DIST = weak_test.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am_weak_test_OBJECTS = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_test.$(OBJEXT)
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@ -702,7 +708,8 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
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$(two_file_static_test_SOURCES) two_file_strip_test.c \
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$(two_file_test_SOURCES) $(ver_test_SOURCES) \
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$(ver_test_2_SOURCES) $(ver_test_6_SOURCES) \
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$(weak_test_SOURCES) $(weak_undef_test_SOURCES)
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$(weak_alias_test_SOURCES) $(weak_test_SOURCES) \
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$(weak_undef_test_SOURCES)
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DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
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basic_static_pic_test.c basic_static_test.c basic_test.c \
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$(am__binary_test_SOURCES_DIST) $(binary_unittest_SOURCES) \
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@ -748,6 +755,7 @@ DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
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$(am__two_file_static_test_SOURCES_DIST) two_file_strip_test.c \
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$(am__two_file_test_SOURCES_DIST) $(am__ver_test_SOURCES_DIST) \
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$(am__ver_test_2_SOURCES_DIST) $(am__ver_test_6_SOURCES_DIST) \
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$(am__weak_alias_test_SOURCES_DIST) \
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$(am__weak_test_SOURCES_DIST) \
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$(am__weak_undef_test_SOURCES_DIST)
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ETAGS = etags
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@ -1102,6 +1110,16 @@ binary_unittest_SOURCES = binary_unittest.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_undef_test_DEPENDENCIES = gcctestdir/ld weak_undef_lib.so alt/weak_undef_lib.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_undef_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,alt
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_undef_test_LDADD = -L . weak_undef_lib.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_SOURCES = weak_alias_test_main.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_DEPENDENCIES = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ gcctestdir/ld weak_alias_test_1.so weak_alias_test_2.so \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_alias_test_3.o weak_alias_test_4.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_LDADD = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_alias_test_1.so weak_alias_test_2.so weak_alias_test_3.o \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ weak_alias_test_4.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_test_SOURCES = tls_test.cc tls_test_file2.cc tls_test_main.cc tls_test.h
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_test_DEPENDENCIES = gcctestdir/ld
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_test_LDFLAGS = -Bgcctestdir/
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@ -1398,6 +1416,9 @@ ver_test_2$(EXEEXT): $(ver_test_2_OBJECTS) $(ver_test_2_DEPENDENCIES)
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ver_test_6$(EXEEXT): $(ver_test_6_OBJECTS) $(ver_test_6_DEPENDENCIES)
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@rm -f ver_test_6$(EXEEXT)
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$(LINK) $(ver_test_6_LDFLAGS) $(ver_test_6_OBJECTS) $(ver_test_6_LDADD) $(LIBS)
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weak_alias_test$(EXEEXT): $(weak_alias_test_OBJECTS) $(weak_alias_test_DEPENDENCIES)
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@rm -f weak_alias_test$(EXEEXT)
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$(CXXLINK) $(weak_alias_test_LDFLAGS) $(weak_alias_test_OBJECTS) $(weak_alias_test_LDADD) $(LIBS)
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weak_test$(EXEEXT): $(weak_test_OBJECTS) $(weak_test_DEPENDENCIES)
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@rm -f weak_test$(EXEEXT)
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$(CXXLINK) $(weak_test_LDFLAGS) $(weak_test_OBJECTS) $(weak_test_LDADD) $(LIBS)
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@ -1447,6 +1468,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ver_test_6.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ver_test_main.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ver_test_main_2.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/weak_alias_test_main.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/weak_test.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/weak_undef_test.Po@am__quote@
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@ -1805,6 +1827,20 @@ uninstall-am: uninstall-info-am
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@GCC_TRUE@@NATIVE_LINKER_TRUE@alt/weak_undef_lib.so: weak_undef_file2.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ test -d alt || mkdir -p alt
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared weak_undef_file2.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_1_pic.o: weak_alias_test_1.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_1.so: weak_alias_test_1_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared weak_alias_test_1_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_2_pic.o: weak_alias_test_2.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_2.so: weak_alias_test_2_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared weak_alias_test_2_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_3.o: weak_alias_test_3.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_4_pic.o: weak_alias_test_4.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@weak_alias_test_4.so: weak_alias_test_4_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared weak_alias_test_4_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_test_pic.o: tls_test.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@ $(CXXCOMPILE) -c -fpic -o $@ $<
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@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_test_file2_pic.o: tls_test_file2.cc
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52
gold/testsuite/weak_alias_test_1.cc
Normal file
52
gold/testsuite/weak_alias_test_1.cc
Normal file
@ -0,0 +1,52 @@
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// weak_alias_test_1.cc -- test weak aliases for gold
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// Copyright 2008 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
|
||||
// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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// Define a weak symbol.
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extern int weak_symbol __attribute__ ((weak));
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int weak_symbol = 1;
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// Define a strong symbol with a weak alias.
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int strong_aliased = 2;
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extern int weak_aliased __attribute__ ((weak, alias ("strong_aliased")));
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// And another one.
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int strong_aliased_2 = 5;
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extern int weak_aliased_2 __attribute__ ((weak, alias ("strong_aliased_2")));
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// And a third.
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int strong_aliased_3 = 7;
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extern int weak_aliased_3 __attribute__ ((weak, alias ("strong_aliased_3")));
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// And a fourth.
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int strong_aliased_4 = 8;
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extern int weak_aliased_4 __attribute__ ((weak, alias ("strong_aliased_4")));
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// We want a symbol whose name is the same length as "strong_symbol",
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// so that weak_symbol here lines up with weak_symbol in
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// weak_alias_test_2.so.
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int Strong_Symbol = 101;
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41
gold/testsuite/weak_alias_test_2.cc
Normal file
41
gold/testsuite/weak_alias_test_2.cc
Normal file
@ -0,0 +1,41 @@
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// weak_alias_test_2.cc -- test weak aliases for gold
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// Copyright 2008 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
|
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// it under the terms of the GNU General Public License as published by
|
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// the Free Software Foundation; either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
|
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// 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,
|
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// MA 02110-1301, USA.
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// Define a strong symbol.
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int strong_symbol = 2;
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// Define a weak symbol. This will be overridden by the weak symbol
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// in weak_alias_test_1.cc.
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extern int weak_symbol __attribute__ ((weak));
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int weak_symbol = 3;
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// These are overridden by weak_alias_test_1.cc
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int strong_aliased = 100;
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extern int weak_aliased __attribute__ ((weak, alias ("strong_aliased")));
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int strong_aliased_2 = 102;
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extern int weak_aliased_2 __attribute__ ((weak, alias ("strong_aliased_2")));
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int strong_aliased_3 = 104;
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extern int weak_aliased_3 __attribute__ ((weak, alias ("strong_aliased_3")));
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int strong_aliased_4 = 106;
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extern int weak_aliased_4 __attribute__ ((weak, alias ("strong_aliased_4")));
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26
gold/testsuite/weak_alias_test_3.cc
Normal file
26
gold/testsuite/weak_alias_test_3.cc
Normal file
@ -0,0 +1,26 @@
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// weak_alias_test_3.cc -- test weak aliases for gold
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|
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// Copyright 2008 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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|
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// This file is part of gold.
|
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|
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// 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.
|
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|
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// This is linked into the main program.
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|
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extern int weak_symbol __attribute__ ((weak));
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int weak_symbol = 4;
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68
gold/testsuite/weak_alias_test_4.cc
Normal file
68
gold/testsuite/weak_alias_test_4.cc
Normal file
@ -0,0 +1,68 @@
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// weak_alias_test_4.cc -- test weak aliases for gold
|
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|
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// Copyright 2008 Free Software Foundation, Inc.
|
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// Written by Ian Lance Taylor <iant@google.com>.
|
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|
||||
// 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.
|
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|
||||
// 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.
|
||||
|
||||
// Verify that all the symbols look right from a shared library.
|
||||
|
||||
extern int weak_symbol;
|
||||
extern int strong_aliased;
|
||||
extern int weak_aliased;
|
||||
extern int strong_aliased_2;
|
||||
extern int weak_aliased_2;
|
||||
extern int strong_aliased_3;
|
||||
extern int weak_aliased_3;
|
||||
extern int strong_aliased_4;
|
||||
extern int weak_aliased_4;
|
||||
extern int strong_symbol;
|
||||
|
||||
bool
|
||||
t1()
|
||||
{
|
||||
// Should come from weak_alias_test_3.cc.
|
||||
if (weak_symbol != 4)
|
||||
return false;
|
||||
|
||||
// Should come from weak_alias_test_main.cc.
|
||||
if (strong_aliased != 3)
|
||||
return false;
|
||||
|
||||
// weak_aliased need not match strong_aliased, which is overridden
|
||||
// by weak_test_main.cc.
|
||||
|
||||
// Should come from weak_alias_test_main.cc.
|
||||
if (weak_aliased_2 != 6)
|
||||
return false;
|
||||
|
||||
// strong_aliased_2 need not match weak_aliased_2, which is
|
||||
// overidden by weak_test_main.cc.
|
||||
|
||||
// The others should match.
|
||||
if (weak_aliased_3 != 7 || strong_aliased_3 != 7)
|
||||
return false;
|
||||
if (weak_aliased_4 != 8 || strong_aliased_4 != 8)
|
||||
return false;
|
||||
|
||||
// Should come from weak_alias_test_2.cc.
|
||||
if (strong_symbol != 2)
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
67
gold/testsuite/weak_alias_test_main.cc
Normal file
67
gold/testsuite/weak_alias_test_main.cc
Normal file
@ -0,0 +1,67 @@
|
||||
// weak_alias_test_main.cc -- test weak aliases 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 <assert.h>
|
||||
|
||||
// Defined in both weak_alias_test_1.cc and weak_alias_test_2.cc, but
|
||||
// we should get the one in weak_alias_test_1.cc.
|
||||
extern int weak_symbol;
|
||||
|
||||
// Defined in weak_alias_test_2.cc.
|
||||
extern int strong_symbol;
|
||||
|
||||
// weak_aliased is an alias for this.
|
||||
int strong_aliased = 3;
|
||||
|
||||
// Defined as a weak alias in weak_alias_test_1.cc.
|
||||
int weak_aliased_2 = 6;
|
||||
|
||||
// Defined in weak_alias_test_1.cc
|
||||
extern int strong_aliased_3;
|
||||
extern int weak_aliased_4;
|
||||
|
||||
extern bool t1();
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
// weak_symbol should come from weak_alias_test_3.cc.
|
||||
assert(weak_symbol == 4);
|
||||
|
||||
// strong_symbol should come from weak_alias_test_2.cc.
|
||||
assert(strong_symbol == 2);
|
||||
|
||||
// strong_aliased should come from this file, above.
|
||||
assert(strong_aliased == 3);
|
||||
|
||||
// weak_aliased_2 should come from this file, above.
|
||||
assert(weak_aliased_2 == 6);
|
||||
|
||||
// strong_aliased_3 should come from weak_alias_test_1.cc.
|
||||
assert(strong_aliased_3 == 7);
|
||||
|
||||
// weak_aliased_4 should come from weak_alias_test_1.cc.
|
||||
assert(weak_aliased_4 == 8);
|
||||
|
||||
// Make sure the symbols look right from a shared library.
|
||||
assert(t1());
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user