gold/

	* output.cc (Output_segment::set_section_addresses): Take new
	Target* argument.  If target->isolate_execinstr() and the segment
	is executable and starts at a target->abi_pagesize() boundary,
	pad its end out to a target->abi_pagesize() boundary with code fill.
	* output.h (Output_segment::set_section_addresses): Update decl.
	* layout.h (Layout::check_output_data_for_reset_values): Take new
	argument RELAX_OUTPUTS.
	(Layout): New member relax_output_list_.
	(Layout::add_relax_output): New method.
	* layout.cc (Layout::Layout): Update constructor.
	(Layout::reset_relax_output): New method.
	(Layout::clean_up_after_relaxation): Call it.
	(Layout::prepare_for_relaxation): Update caller.
	(Layout::set_segment_offsets): Update callers of set_section_addresses.
	Call reset_relax_output before re-processing segments for
	isolate_execinstr case.
	(Layout::write_data): Handle relax_output_list_.
	(Layout::Relaxation_debug_check::check_output_data_for_reset_values):
	Take new argument RELAX_OUTPUTS.  Assert it's an empty collection.

1 files changed, 18 insertions, 4 deletions

diff --git a/gold/layout.h b/gold/layout.h
index 1743869288..f49ae248cb 100644
--- a/gold/layout.h
+++ b/gold/layout.h
@@ -1,6 +1,6 @@
 // layout.h -- lay out output file sections for gold  -*- C++ -*-
 
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012
+// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
 // Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
@@ -897,7 +897,7 @@ class Layout
   // they finish.  Otherwise return BUILD_ID_BLOCKER.
   Task_token*
   queue_build_id_tasks(Workqueue* workqueue, Task_token* build_id_blocker,
-                       Output_file* of);
+		       Output_file* of);
 
   // Compute and write out the build ID if needed.
   void
@@ -976,7 +976,17 @@ class Layout
   // be mapped to an output section that should be KEPT.
   bool
   keep_input_section(const Relobj*, const char*);
-  
+
+  // Add a special output object that will be recreated afresh
+  // if there is another relaxation iteration.
+  void
+  add_relax_output(Output_data* data)
+  { this->relax_output_list_.push_back(data); }
+
+  // Clear out (and free) everything added by add_relax_output.
+  void
+  reset_relax_output();
+
  private:
   Layout(const Layout&);
   Layout& operator=(const Layout&);
@@ -1272,7 +1282,8 @@ class Layout
     // Check that sections and special data are in reset states.
     void
     check_output_data_for_reset_values(const Layout::Section_list&,
-				       const Layout::Data_list&);
+				       const Layout::Data_list& special_outputs,
+				       const Layout::Data_list& relax_outputs);
 
     // Record information of a section list.
     void
@@ -1324,6 +1335,9 @@ class Layout
   // The list of unattached Output_data objects which require special
   // handling because they are not Output_sections.
   Data_list special_output_list_;
+  // Like special_output_list_, but cleared and recreated on each
+  // iteration of relaxation.
+  Data_list relax_output_list_;
   // The section headers.
   Output_section_headers* section_headers_;
   // A pointer to the PT_TLS segment if there is one.