* layout.cc (Layout::attach_allocated_section_to_segment): Don't

	set tls_segment_ or relro_segment_.
	(Layout::make_output_segment): Set tls_segment_ and relro_segment_
	when appropriate.
	* output.h (Output_section::clear_is_relro): New function.
	* output.cc (Output_segment::add_output_section): Handle SHF_TLS
	sections specially even when output_data_ is empty.
	(Output_segment::maximum_alignment): When first section is relro,
	only force alignment for PT_LOAD segments.
	* script.cc (script_data_segment_align): New function.
	(script_data_segment_relro_end): New function.
	* script-c.h (script_data_segment_align): Declare.
	(script_data_segment_relro_end): Declare.
	* script-sections.h (class Script_sections): Declare
	data_segment_align and data_segment_relro_end.  Add fields
	segment_align_index_ and saw_relro_end_.
	* script-sections.cc (class Sections_element): Add set_is_relro
	virtual function.  Add new bool* parameter to place_orphan_here.
	Add get_output_section virtual function.
	(class Output_section_definition): Add set_is_relro.  Add new
	bool* parameter to place_orphan_here.  Add get_output_section.
	Add is_relro_ field.
	(Output_section_definition::Output_section_definition): Initialize
	evaluated_address_, evaluated_load_address, evaluated_addralign_,
	and is_relro_ fields.
	(Output_section_definition::place_orphan_here): Add is_relro
	parameter.
	(Output_section_definition::set_section_addresses): Set relro for
	output section.
	(Output_section_definition::alternate_constraint): Likewise.
	(class Orphan_output_section): Add new bool* parameter to
	place_orphan_here.  Add get_output_section.
	(Orphan_output_section::place_orphan_here): Add is_relro
	parameter.
	(Script_sections::Script_sections): Initialize
	data_segment_align_index_ and saw_relro_end_.
	(Script_sections::data_segment_align): New function.
	(Script_sections::data_segment_relro_end): New function.
	(Script_sections::place_orphan): Set or clear is_relro.
	(Script_sections::set_section_addresses): Force alignment of first
	TLS section.
	* yyscript.y (exp): Call script_data_segment_align and
	script_data_segment_relro_end.
	* testsuite/relro_script_test.t: New file.
	* testsuite/relro_test.cc (using_script): Declare.
	(t1, t2): Test using_script.
	* testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
	(relro_script_test_SOURCES): Define.
	(relro_script_test_DEPENDENCIES): Define.
	(relro_script_test_LDFLAGS): Define.
	(relro_script_test_LDADD): Define.
	(relro_script_test.so): New target.
	* testsuite/Makefile.in: Rebuild.

1 files changed, 28 insertions, 0 deletions

diff --git a/gold/script.cc b/gold/script.cc
index f6e4a39..53fcf66 100644
--- a/gold/script.cc
+++ b/gold/script.cc
@@ -2400,6 +2400,34 @@ script_add_input_section(void* closurev,
   closure->script_options()->script_sections()->add_input_section(spec, keep);
 }
 
+// When we see DATA_SEGMENT_ALIGN we record that following output
+// sections may be relro.
+
+extern "C" void
+script_data_segment_align(void* closurev)
+{
+  Parser_closure* closure = static_cast<Parser_closure*>(closurev);
+  if (!closure->script_options()->saw_sections_clause())
+    gold_error(_("%s:%d:%d: DATA_SEGMENT_ALIGN not in SECTIONS clause"),
+	       closure->filename(), closure->lineno(), closure->charpos());
+  else
+    closure->script_options()->script_sections()->data_segment_align();
+}
+
+// When we see DATA_SEGMENT_RELRO_END we know that all output sections
+// since DATA_SEGMENT_ALIGN should be relro.
+
+extern "C" void
+script_data_segment_relro_end(void* closurev)
+{
+  Parser_closure* closure = static_cast<Parser_closure*>(closurev);
+  if (!closure->script_options()->saw_sections_clause())
+    gold_error(_("%s:%d:%d: DATA_SEGMENT_ALIGN not in SECTIONS clause"),
+	       closure->filename(), closure->lineno(), closure->charpos());
+  else
+    closure->script_options()->script_sections()->data_segment_relro_end();
+}
+
 // Create a new list of string/sort pairs.
 
 extern "C" String_sort_list_ptr