* target-reloc.h (relocate_section): Check whether a symbol is

	defined by the ABI before reporting an undefined symbol error.
	* target.h (Target::is_defined_by_abi): Make parameter const.
	(Target::do_is_defined_by_abi): Likewise.
	* i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
	* powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
	* sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
	* x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
	* testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
	* testsuite/Makefile.in: Rebuild.

9 files changed, 20 insertions, 8 deletions

diff --git a/gold/ChangeLog b/gold/ChangeLog
index dc84079..22e4263 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,5 +1,16 @@
 2008-09-16  Ian Lance Taylor  <iant@google.com>
 
+	* target-reloc.h (relocate_section): Check whether a symbol is
+	defined by the ABI before reporting an undefined symbol error.
+	* target.h (Target::is_defined_by_abi): Make parameter const.
+	(Target::do_is_defined_by_abi): Likewise.
+	* i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
+	* powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
+	* sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
+	* x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
+	* testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
+	* testsuite/Makefile.in: Rebuild.
+
 	* fileread.cc (make_view): Add casts to avoid warning.
 
 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
diff --git a/gold/i386.cc b/gold/i386.cc
index e2fbb25..8a5558e 100644
--- a/gold/i386.cc
+++ b/gold/i386.cc
@@ -135,7 +135,7 @@ class Target_i386 : public Sized_target<32, false>
 
   // Return whether SYM is defined by the ABI.
   bool
-  do_is_defined_by_abi(Symbol* sym) const
+  do_is_defined_by_abi(const Symbol* sym) const
   { return strcmp(sym->name(), "___tls_get_addr") == 0; }
 
   // Return the size of the GOT section.
diff --git a/gold/powerpc.cc b/gold/powerpc.cc
index 421cfdb..05ce4fc 100644
--- a/gold/powerpc.cc
+++ b/gold/powerpc.cc
@@ -129,7 +129,7 @@ class Target_powerpc : public Sized_target<size, big_endian>
 
   // Return whether SYM is defined by the ABI.
   bool
-  do_is_defined_by_abi(Symbol* sym) const
+  do_is_defined_by_abi(const Symbol* sym) const
   {
     return strcmp(sym->name(), "___tls_get_addr") == 0;
   }
diff --git a/gold/sparc.cc b/gold/sparc.cc
index 7da59dd..cca78b7 100644
--- a/gold/sparc.cc
+++ b/gold/sparc.cc
@@ -130,7 +130,7 @@ class Target_sparc : public Sized_target<size, big_endian>
 			   section_size_type reloc_view_size);
   // Return whether SYM is defined by the ABI.
   bool
-  do_is_defined_by_abi(Symbol* sym) const
+  do_is_defined_by_abi(const Symbol* sym) const
   {
     // XXX Really need to support this better...
     if (sym->type() == elfcpp::STT_SPARC_REGISTER)
diff --git a/gold/target-reloc.h b/gold/target-reloc.h
index 6683ddd..1cdc244 100644
--- a/gold/target-reloc.h
+++ b/gold/target-reloc.h
@@ -283,6 +283,7 @@ relocate_section(
       if (sym != NULL
 	  && sym->is_undefined()
 	  && sym->binding() != elfcpp::STB_WEAK
+          && !target->is_defined_by_abi(sym)
 	  && (!parameters->options().shared()       // -shared
               || parameters->options().defs()))     // -z defs
 	gold_undefined_symbol(sym, relinfo, i, offset);
diff --git a/gold/target.h b/gold/target.h
index 30fa008..460ac96 100644
--- a/gold/target.h
+++ b/gold/target.h
@@ -164,7 +164,7 @@ class Target
   // Return whether SYM is known to be defined by the ABI.  This is
   // used to avoid inappropriate warnings about undefined symbols.
   bool
-  is_defined_by_abi(Symbol* sym) const
+  is_defined_by_abi(const Symbol* sym) const
   { return this->do_is_defined_by_abi(sym); }
 
  protected:
@@ -222,7 +222,7 @@ class Target
 
   // Virtual function which may be implemented by the child class.
   virtual bool
-  do_is_defined_by_abi(Symbol*) const
+  do_is_defined_by_abi(const Symbol*) const
   { return false; }
 
  private:
diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index c9dd470..1f08b5a 100644
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -468,7 +468,7 @@ tls_test_file2_pic.o: tls_test_file2.cc
 tls_test_c_pic.o: tls_test_c.c
 	$(COMPILE) -c -fpic $(TLS_TEST_C_CFLAGS) -o $@ $<
 tls_test_shared.so: tls_test_pic.o tls_test_file2_pic.o tls_test_c_pic.o gcctestdir/ld
-	$(CXXLINK) -Bgcctestdir/ -shared tls_test_pic.o tls_test_file2_pic.o tls_test_c_pic.o
+	$(CXXLINK) -Bgcctestdir/ -shared tls_test_pic.o tls_test_file2_pic.o tls_test_c_pic.o -Wl,-z,defs
 tls_test_shared2.so: tls_test_file2_pic.o gcctestdir/ld
 	$(CXXLINK) -Bgcctestdir/ -shared tls_test_file2_pic.o
 
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index 9f72b88..e3d8dca 100644
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -2125,7 +2125,7 @@ uninstall-am: uninstall-info-am
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_test_c_pic.o: tls_test_c.c
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@	$(COMPILE) -c -fpic $(TLS_TEST_C_CFLAGS) -o $@ $<
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_test_shared.so: tls_test_pic.o tls_test_file2_pic.o tls_test_c_pic.o gcctestdir/ld
-@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@	$(CXXLINK) -Bgcctestdir/ -shared tls_test_pic.o tls_test_file2_pic.o tls_test_c_pic.o
+@GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@	$(CXXLINK) -Bgcctestdir/ -shared tls_test_pic.o tls_test_file2_pic.o tls_test_c_pic.o -Wl,-z,defs
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@tls_test_shared2.so: tls_test_file2_pic.o gcctestdir/ld
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@	$(CXXLINK) -Bgcctestdir/ -shared tls_test_file2_pic.o
 
diff --git a/gold/x86_64.cc b/gold/x86_64.cc
index 46c4a22..69f76a0 100644
--- a/gold/x86_64.cc
+++ b/gold/x86_64.cc
@@ -139,7 +139,7 @@ class Target_x86_64 : public Sized_target<64, false>
 
   // Return whether SYM is defined by the ABI.
   bool
-  do_is_defined_by_abi(Symbol* sym) const
+  do_is_defined_by_abi(const Symbol* sym) const
   { return strcmp(sym->name(), "__tls_get_addr") == 0; }
 
   // Return the size of the GOT section.