* archive.cc (Archive::add_symbols): Check for a version attached
to the symbol name in the archive map. * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11. (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define. (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define. (ver_test_11.a): New target. * testsuite/Makefile.in: Rebuild.
This commit is contained in:
Ian Lance Taylor
parent
8a2492ee53
commit
9c5b8369ab
@ -1,5 +1,13 @@
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2009-03-17 Ian Lance Taylor <iant@google.com>
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* archive.cc (Archive::add_symbols): Check for a version attached
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to the symbol name in the archive map.
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* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
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(ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
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(ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
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(ver_test_11.a): New target.
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* testsuite/Makefile.in: Rebuild.
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* configure.ac: Check for chsize and posix_fallocate. Replace
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ftruncate.
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* ftruncate.c: New file, from gnulib.
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@ -635,6 +635,8 @@ Archive::add_symbols(Symbol_table* symtab, Layout* layout,
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// Track which symbols in the symbol table we've already found to be
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// defined.
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char* tmpbuf = NULL;
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size_t tmpbuflen = 0;
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bool added_new_object;
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do
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{
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@ -658,7 +660,40 @@ Archive::add_symbols(Symbol_table* symtab, Layout* layout,
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const char* sym_name = (this->armap_names_.data()
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+ this->armap_[i].name_offset);
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Symbol* sym = symtab->lookup(sym_name);
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// In an object file, and therefore in an archive map, an
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// '@' in the name separates the symbol name from the
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// version name. If there are two '@' characters, this is
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// the default version.
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const char* ver = strchr(sym_name, '@');
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bool def = false;
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if (ver != NULL)
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{
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size_t symlen = ver - sym_name;
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if (symlen + 1 > tmpbuflen)
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{
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tmpbuf = static_cast<char*>(realloc(tmpbuf, symlen + 1));
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tmpbuflen = symlen + 1;
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}
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memcpy(tmpbuf, sym_name, symlen);
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tmpbuf[symlen] = '\0';
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sym_name = tmpbuf;
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++ver;
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if (*ver == '@')
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{
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++ver;
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def = true;
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}
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}
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Symbol* sym = symtab->lookup(sym_name, ver);
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if (def
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&& (sym == NULL
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|| !sym->is_undefined()
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|| sym->binding() == elfcpp::STB_WEAK))
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sym = symtab->lookup(sym_name, NULL);
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if (sym == NULL)
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{
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// Check whether the symbol was named in a -u option.
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@ -687,13 +722,20 @@ Archive::add_symbols(Symbol_table* symtab, Layout* layout,
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if (!this->include_member(symtab, layout, input_objects,
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last_seen_offset, mapfile, sym,
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why.c_str()))
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return false;
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{
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if (tmpbuf != NULL)
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free(tmpbuf);
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return false;
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}
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added_new_object = true;
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}
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}
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while (added_new_object);
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if (tmpbuf != NULL)
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free(tmpbuf);
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input_objects->archive_stop(this);
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return true;
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@ -819,6 +819,14 @@ ver_test_10.syms: ver_test_10.so
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ver_test_10.so: gcctestdir/ld ver_test_2.o ver_test_10.script
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$(CXXLINK) -Bgcctestdir/ -shared -Wl,--version-script,$(srcdir)/ver_test_10.script ver_test_2.o
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check_PROGRAMS += ver_test_11
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ver_test_11_SOURCES = ver_test_main_2.cc
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ver_test_11_DEPENDENCIES = gcctestdir/ld ver_test_11.a
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ver_test_11_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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ver_test_11_LDADD = ver_test_11.a
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ver_test_11.a: ver_test_1.o ver_test_2.o ver_test_4.o
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$(TEST_AR) rc $@ $^
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check_PROGRAMS += protected_1
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protected_1_SOURCES = \
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protected_main_1.cc protected_main_2.cc protected_main_3.cc
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@ -256,11 +256,11 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
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# Test symbol versioning.
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_19 = ver_test ver_test_2 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6 ver_test_8 ver_test_9 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_1 protected_2 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test relro_script_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_1 script_test_2 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms binary_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_3 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_11 protected_1 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_2 relro_test \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_script_test script_test_1 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2 justsyms \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ binary_test script_test_3 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_1 \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_2
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@GCC_FALSE@script_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \
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@ -405,6 +405,7 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_8$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_9$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_11$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_1$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_2$(EXEEXT) \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test$(EXEEXT) \
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@ -818,6 +819,10 @@ am__ver_test_SOURCES_DIST = ver_test_main.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am_ver_test_OBJECTS = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_main.$(OBJEXT)
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ver_test_OBJECTS = $(am_ver_test_OBJECTS)
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am__ver_test_11_SOURCES_DIST = ver_test_main_2.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am_ver_test_11_OBJECTS = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_main_2.$(OBJEXT)
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ver_test_11_OBJECTS = $(am_ver_test_11_OBJECTS)
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am__ver_test_2_SOURCES_DIST = ver_test_main_2.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@am_ver_test_2_OBJECTS = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_main_2.$(OBJEXT)
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@ -913,10 +918,11 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
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$(two_file_shared_2_test_SOURCES) \
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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) $(ver_test_6_SOURCES) \
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$(ver_test_8_SOURCES) $(ver_test_9_SOURCES) \
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$(weak_alias_test_SOURCES) weak_plt.c $(weak_test_SOURCES) \
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$(weak_undef_nonpic_test_SOURCES) $(weak_undef_test_SOURCES)
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$(ver_test_11_SOURCES) $(ver_test_2_SOURCES) \
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$(ver_test_6_SOURCES) $(ver_test_8_SOURCES) \
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$(ver_test_9_SOURCES) $(weak_alias_test_SOURCES) weak_plt.c \
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$(weak_test_SOURCES) $(weak_undef_nonpic_test_SOURCES) \
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$(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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@ -974,8 +980,9 @@ DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
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$(am__two_file_shared_2_test_SOURCES_DIST) \
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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__ver_test_8_SOURCES_DIST) $(am__ver_test_9_SOURCES_DIST) \
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$(am__ver_test_11_SOURCES_DIST) $(am__ver_test_2_SOURCES_DIST) \
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$(am__ver_test_6_SOURCES_DIST) $(am__ver_test_8_SOURCES_DIST) \
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$(am__ver_test_9_SOURCES_DIST) \
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$(am__weak_alias_test_SOURCES_DIST) weak_plt.c \
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$(am__weak_test_SOURCES_DIST) \
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$(am__weak_undef_nonpic_test_SOURCES_DIST) \
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@ -1442,6 +1449,10 @@ binary_unittest_SOURCES = binary_unittest.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_9_DEPENDENCIES = gcctestdir/ld ver_test_9.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_9_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_9_LDADD = ver_test_9.so
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11_SOURCES = ver_test_main_2.cc
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11_DEPENDENCIES = gcctestdir/ld ver_test_11.a
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11_LDADD = ver_test_11.a
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@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1_SOURCES = \
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_main_1.cc protected_main_2.cc protected_main_3.cc
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@ -1791,6 +1802,9 @@ two_file_test$(EXEEXT): $(two_file_test_OBJECTS) $(two_file_test_DEPENDENCIES)
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ver_test$(EXEEXT): $(ver_test_OBJECTS) $(ver_test_DEPENDENCIES)
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@rm -f ver_test$(EXEEXT)
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$(CXXLINK) $(ver_test_LDFLAGS) $(ver_test_OBJECTS) $(ver_test_LDADD) $(LIBS)
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ver_test_11$(EXEEXT): $(ver_test_11_OBJECTS) $(ver_test_11_DEPENDENCIES)
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@rm -f ver_test_11$(EXEEXT)
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$(CXXLINK) $(ver_test_11_LDFLAGS) $(ver_test_11_OBJECTS) $(ver_test_11_LDADD) $(LIBS)
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ver_test_2$(EXEEXT): $(ver_test_2_OBJECTS) $(ver_test_2_DEPENDENCIES)
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@rm -f ver_test_2$(EXEEXT)
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$(CXXLINK) $(ver_test_2_LDFLAGS) $(ver_test_2_OBJECTS) $(ver_test_2_LDADD) $(LIBS)
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@ -2442,6 +2456,8 @@ uninstall-am: uninstall-info-am
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_READELF) -s $< >$@ 2>/dev/null
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_10.so: gcctestdir/ld ver_test_2.o ver_test_10.script
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared -Wl,--version-script,$(srcdir)/ver_test_10.script ver_test_2.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11.a: ver_test_1.o ver_test_2.o ver_test_4.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AR) rc $@ $^
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@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1.so: gcctestdir/ld protected_1_pic.o protected_2_pic.o protected_3_pic.o
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@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared protected_1_pic.o protected_2_pic.o protected_3_pic.o
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