* 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 2009-03-18 05:09:52 +00:00
parent 8a2492ee53
commit 9c5b8369ab
4 changed files with 87 additions and 13 deletions

View File

@ -1,5 +1,13 @@
2009-03-17 Ian Lance Taylor <iant@google.com> 2009-03-17 Ian Lance Taylor <iant@google.com>
* 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.
* configure.ac: Check for chsize and posix_fallocate. Replace * configure.ac: Check for chsize and posix_fallocate. Replace
ftruncate. ftruncate.
* ftruncate.c: New file, from gnulib. * ftruncate.c: New file, from gnulib.

View File

@ -635,6 +635,8 @@ Archive::add_symbols(Symbol_table* symtab, Layout* layout,
// Track which symbols in the symbol table we've already found to be // Track which symbols in the symbol table we've already found to be
// defined. // defined.
char* tmpbuf = NULL;
size_t tmpbuflen = 0;
bool added_new_object; bool added_new_object;
do do
{ {
@ -658,7 +660,40 @@ Archive::add_symbols(Symbol_table* symtab, Layout* layout,
const char* sym_name = (this->armap_names_.data() const char* sym_name = (this->armap_names_.data()
+ this->armap_[i].name_offset); + this->armap_[i].name_offset);
Symbol* sym = symtab->lookup(sym_name);
// In an object file, and therefore in an archive map, an
// '@' in the name separates the symbol name from the
// version name. If there are two '@' characters, this is
// the default version.
const char* ver = strchr(sym_name, '@');
bool def = false;
if (ver != NULL)
{
size_t symlen = ver - sym_name;
if (symlen + 1 > tmpbuflen)
{
tmpbuf = static_cast<char*>(realloc(tmpbuf, symlen + 1));
tmpbuflen = symlen + 1;
}
memcpy(tmpbuf, sym_name, symlen);
tmpbuf[symlen] = '\0';
sym_name = tmpbuf;
++ver;
if (*ver == '@')
{
++ver;
def = true;
}
}
Symbol* sym = symtab->lookup(sym_name, ver);
if (def
&& (sym == NULL
|| !sym->is_undefined()
|| sym->binding() == elfcpp::STB_WEAK))
sym = symtab->lookup(sym_name, NULL);
if (sym == NULL) if (sym == NULL)
{ {
// Check whether the symbol was named in a -u option. // Check whether the symbol was named in a -u option.
@ -687,13 +722,20 @@ Archive::add_symbols(Symbol_table* symtab, Layout* layout,
if (!this->include_member(symtab, layout, input_objects, if (!this->include_member(symtab, layout, input_objects,
last_seen_offset, mapfile, sym, last_seen_offset, mapfile, sym,
why.c_str())) why.c_str()))
return false; {
if (tmpbuf != NULL)
free(tmpbuf);
return false;
}
added_new_object = true; added_new_object = true;
} }
} }
while (added_new_object); while (added_new_object);
if (tmpbuf != NULL)
free(tmpbuf);
input_objects->archive_stop(this); input_objects->archive_stop(this);
return true; return true;

View File

@ -819,6 +819,14 @@ ver_test_10.syms: ver_test_10.so
ver_test_10.so: gcctestdir/ld ver_test_2.o ver_test_10.script ver_test_10.so: gcctestdir/ld ver_test_2.o ver_test_10.script
$(CXXLINK) -Bgcctestdir/ -shared -Wl,--version-script,$(srcdir)/ver_test_10.script ver_test_2.o $(CXXLINK) -Bgcctestdir/ -shared -Wl,--version-script,$(srcdir)/ver_test_10.script ver_test_2.o
check_PROGRAMS += ver_test_11
ver_test_11_SOURCES = ver_test_main_2.cc
ver_test_11_DEPENDENCIES = gcctestdir/ld ver_test_11.a
ver_test_11_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
ver_test_11_LDADD = ver_test_11.a
ver_test_11.a: ver_test_1.o ver_test_2.o ver_test_4.o
$(TEST_AR) rc $@ $^
check_PROGRAMS += protected_1 check_PROGRAMS += protected_1
protected_1_SOURCES = \ protected_1_SOURCES = \
protected_main_1.cc protected_main_2.cc protected_main_3.cc protected_main_1.cc protected_main_2.cc protected_main_3.cc

View File

@ -256,11 +256,11 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
# Test symbol versioning. # Test symbol versioning.
@GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_19 = ver_test ver_test_2 \ @GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_19 = ver_test ver_test_2 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6 ver_test_8 ver_test_9 \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6 ver_test_8 ver_test_9 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_1 protected_2 \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_11 protected_1 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test relro_script_test \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_2 relro_test \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_1 script_test_2 \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_script_test script_test_1 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ justsyms binary_test \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_2 justsyms \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ script_test_3 \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ binary_test script_test_3 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_1 \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_1 \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_2 @GCC_TRUE@@NATIVE_LINKER_TRUE@ thin_archive_test_2
@GCC_FALSE@script_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \ @GCC_FALSE@script_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \
@ -405,6 +405,7 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6$(EXEEXT) \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_6$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_8$(EXEEXT) \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_8$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_9$(EXEEXT) \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_9$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_11$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_1$(EXEEXT) \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_1$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_2$(EXEEXT) \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_2$(EXEEXT) \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test$(EXEEXT) \ @GCC_TRUE@@NATIVE_LINKER_TRUE@ relro_test$(EXEEXT) \
@ -818,6 +819,10 @@ am__ver_test_SOURCES_DIST = ver_test_main.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@am_ver_test_OBJECTS = \ @GCC_TRUE@@NATIVE_LINKER_TRUE@am_ver_test_OBJECTS = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_main.$(OBJEXT) @GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_main.$(OBJEXT)
ver_test_OBJECTS = $(am_ver_test_OBJECTS) ver_test_OBJECTS = $(am_ver_test_OBJECTS)
am__ver_test_11_SOURCES_DIST = ver_test_main_2.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@am_ver_test_11_OBJECTS = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_main_2.$(OBJEXT)
ver_test_11_OBJECTS = $(am_ver_test_11_OBJECTS)
am__ver_test_2_SOURCES_DIST = ver_test_main_2.cc am__ver_test_2_SOURCES_DIST = ver_test_main_2.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@am_ver_test_2_OBJECTS = \ @GCC_TRUE@@NATIVE_LINKER_TRUE@am_ver_test_2_OBJECTS = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_main_2.$(OBJEXT) @GCC_TRUE@@NATIVE_LINKER_TRUE@ ver_test_main_2.$(OBJEXT)
@ -913,10 +918,11 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
$(two_file_shared_2_test_SOURCES) \ $(two_file_shared_2_test_SOURCES) \
$(two_file_static_test_SOURCES) two_file_strip_test.c \ $(two_file_static_test_SOURCES) two_file_strip_test.c \
$(two_file_test_SOURCES) $(ver_test_SOURCES) \ $(two_file_test_SOURCES) $(ver_test_SOURCES) \
$(ver_test_2_SOURCES) $(ver_test_6_SOURCES) \ $(ver_test_11_SOURCES) $(ver_test_2_SOURCES) \
$(ver_test_8_SOURCES) $(ver_test_9_SOURCES) \ $(ver_test_6_SOURCES) $(ver_test_8_SOURCES) \
$(weak_alias_test_SOURCES) weak_plt.c $(weak_test_SOURCES) \ $(ver_test_9_SOURCES) $(weak_alias_test_SOURCES) weak_plt.c \
$(weak_undef_nonpic_test_SOURCES) $(weak_undef_test_SOURCES) $(weak_test_SOURCES) $(weak_undef_nonpic_test_SOURCES) \
$(weak_undef_test_SOURCES)
DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \ DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
basic_static_pic_test.c basic_static_test.c basic_test.c \ basic_static_pic_test.c basic_static_test.c basic_test.c \
$(am__binary_test_SOURCES_DIST) $(binary_unittest_SOURCES) \ $(am__binary_test_SOURCES_DIST) $(binary_unittest_SOURCES) \
@ -974,8 +980,9 @@ DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
$(am__two_file_shared_2_test_SOURCES_DIST) \ $(am__two_file_shared_2_test_SOURCES_DIST) \
$(am__two_file_static_test_SOURCES_DIST) two_file_strip_test.c \ $(am__two_file_static_test_SOURCES_DIST) two_file_strip_test.c \
$(am__two_file_test_SOURCES_DIST) $(am__ver_test_SOURCES_DIST) \ $(am__two_file_test_SOURCES_DIST) $(am__ver_test_SOURCES_DIST) \
$(am__ver_test_2_SOURCES_DIST) $(am__ver_test_6_SOURCES_DIST) \ $(am__ver_test_11_SOURCES_DIST) $(am__ver_test_2_SOURCES_DIST) \
$(am__ver_test_8_SOURCES_DIST) $(am__ver_test_9_SOURCES_DIST) \ $(am__ver_test_6_SOURCES_DIST) $(am__ver_test_8_SOURCES_DIST) \
$(am__ver_test_9_SOURCES_DIST) \
$(am__weak_alias_test_SOURCES_DIST) weak_plt.c \ $(am__weak_alias_test_SOURCES_DIST) weak_plt.c \
$(am__weak_test_SOURCES_DIST) \ $(am__weak_test_SOURCES_DIST) \
$(am__weak_undef_nonpic_test_SOURCES_DIST) \ $(am__weak_undef_nonpic_test_SOURCES_DIST) \
@ -1442,6 +1449,10 @@ binary_unittest_SOURCES = binary_unittest.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_9_DEPENDENCIES = gcctestdir/ld ver_test_9.so @GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_9_DEPENDENCIES = gcctestdir/ld ver_test_9.so
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_9_LDFLAGS = -Bgcctestdir/ -Wl,-R,. @GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_9_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_9_LDADD = ver_test_9.so @GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_9_LDADD = ver_test_9.so
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11_SOURCES = ver_test_main_2.cc
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11_DEPENDENCIES = gcctestdir/ld ver_test_11.a
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11_LDADD = ver_test_11.a
@GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1_SOURCES = \ @GCC_TRUE@@NATIVE_LINKER_TRUE@protected_1_SOURCES = \
@GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_main_1.cc protected_main_2.cc protected_main_3.cc @GCC_TRUE@@NATIVE_LINKER_TRUE@ protected_main_1.cc protected_main_2.cc protected_main_3.cc
@ -1791,6 +1802,9 @@ two_file_test$(EXEEXT): $(two_file_test_OBJECTS) $(two_file_test_DEPENDENCIES)
ver_test$(EXEEXT): $(ver_test_OBJECTS) $(ver_test_DEPENDENCIES) ver_test$(EXEEXT): $(ver_test_OBJECTS) $(ver_test_DEPENDENCIES)
@rm -f ver_test$(EXEEXT) @rm -f ver_test$(EXEEXT)
$(CXXLINK) $(ver_test_LDFLAGS) $(ver_test_OBJECTS) $(ver_test_LDADD) $(LIBS) $(CXXLINK) $(ver_test_LDFLAGS) $(ver_test_OBJECTS) $(ver_test_LDADD) $(LIBS)
ver_test_11$(EXEEXT): $(ver_test_11_OBJECTS) $(ver_test_11_DEPENDENCIES)
@rm -f ver_test_11$(EXEEXT)
$(CXXLINK) $(ver_test_11_LDFLAGS) $(ver_test_11_OBJECTS) $(ver_test_11_LDADD) $(LIBS)
ver_test_2$(EXEEXT): $(ver_test_2_OBJECTS) $(ver_test_2_DEPENDENCIES) ver_test_2$(EXEEXT): $(ver_test_2_OBJECTS) $(ver_test_2_DEPENDENCIES)
@rm -f ver_test_2$(EXEEXT) @rm -f ver_test_2$(EXEEXT)
$(CXXLINK) $(ver_test_2_LDFLAGS) $(ver_test_2_OBJECTS) $(ver_test_2_LDADD) $(LIBS) $(CXXLINK) $(ver_test_2_LDFLAGS) $(ver_test_2_OBJECTS) $(ver_test_2_LDADD) $(LIBS)
@ -2442,6 +2456,8 @@ uninstall-am: uninstall-info-am
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_READELF) -s $< >$@ 2>/dev/null @GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_READELF) -s $< >$@ 2>/dev/null
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_10.so: gcctestdir/ld ver_test_2.o ver_test_10.script @GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_10.so: gcctestdir/ld ver_test_2.o ver_test_10.script
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared -Wl,--version-script,$(srcdir)/ver_test_10.script ver_test_2.o @GCC_TRUE@@NATIVE_LINKER_TRUE@ $(CXXLINK) -Bgcctestdir/ -shared -Wl,--version-script,$(srcdir)/ver_test_10.script ver_test_2.o
@GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_11.a: ver_test_1.o ver_test_2.o ver_test_4.o
@GCC_TRUE@@NATIVE_LINKER_TRUE@ $(TEST_AR) rc $@ $^
@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@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@ $(CXXLINK) -Bgcctestdir/ -shared protected_1_pic.o protected_2_pic.o protected_3_pic.o