Introduce dw2_linkage_name and dw2_linkage_name_attr.

[deliverable/binutils-gdb.git] / gold / layout.cc

diff --git a/gold/layout.cc b/gold/layout.cc
index bb80531f0a44570edb18305a0fab398ea6219df8..5f25faea5532b5291d097adbacfb52b0a24abafb 100644 (file)
--- a/gold/layout.cc
+++ b/gold/layout.cc
@@ -1,6 +1,6 @@
 // layout.cc -- lay out output file sections for gold
 
-// Copyright (C) 2006-2016 Free Software Foundation, Inc.
+// Copyright (C) 2006-2017 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -1581,6 +1581,23 @@ Layout::add_eh_frame_for_plt(Output_data* plt, const unsigned char* cie_data,
     }
 }
 
+// Remove .eh_frame information for a PLT.  FDEs using the CIE must
+// be removed in reverse order to the order they were added.
+
+void
+Layout::remove_eh_frame_for_plt(Output_data* plt, const unsigned char* cie_data,
+                               size_t cie_length, const unsigned char* fde_data,
+                               size_t fde_length)
+{
+  if (parameters->incremental())
+    {
+      // FIXME: Maybe this could work some day....
+      return;
+    }
+  this->eh_frame_data_->remove_ehframe_for_plt(plt, cie_data, cie_length,
+                                              fde_data, fde_length);
+}
+
 // Scan a .debug_info or .debug_types section, and add summary
 // information to the .gdb_index section.
 
@@ -3300,6 +3317,11 @@ bool
 Layout::segment_precedes(const Output_segment* seg1,
                         const Output_segment* seg2)
 {
+  // In order to produce a stable ordering if we're called with the same pointer
+  // return false.
+  if (seg1 == seg2)
+    return false;
+
   elfcpp::Elf_Word type1 = seg1->type();
   elfcpp::Elf_Word type2 = seg2->type();
 
@@ -3459,7 +3481,7 @@ is_text_segment(const Target* target, const Output_segment* seg)
 }
 
 // Set the file offsets of all the segments, and all the sections they
-// contain.  They have all been created.  LOAD_SEG must be be laid out
+// contain.  They have all been created.  LOAD_SEG must be laid out
 // first.  Return the offset of the data to follow.
 
 off_t