gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gold / ehframe.h

diff --git a/gold/ehframe.h b/gold/ehframe.h
index 14281b0d336bed7532b0ce2e98e660638dcdd800..3fe96002dc94dd3ab57a853081f2976d364565bf 100644 (file)
--- a/gold/ehframe.h
+++ b/gold/ehframe.h
@@ -1,6 +1,6 @@
 // ehframe.h -- handle exception frame sections for gold  -*- C++ -*-
 
-// Copyright (C) 2006-2016 Free Software Foundation, Inc.
+// Copyright (C) 2006-2020 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -203,9 +203,14 @@ class Fde
 
   // Return whether this FDE was added after merge mapping.
   bool
-  post_map()
+  post_map() const
   { return this->object_ == NULL && this->u_.from_linker.post_map; }
 
+  // Return whether this FDE was added for the PLT after merge mapping.
+  bool
+  post_map(const Output_data* plt) const
+  { return this->post_map() && this->u_.from_linker.plt == plt; }
+
   // Write the FDE to OVIEW starting at OFFSET.  FDE_ENCODING is the
   // encoding, from the CIE.  Round up the bytes to ADDRALIGN if
   // necessary.  ADDRESS is the virtual address of OVIEW.  Record the
@@ -298,6 +303,16 @@ class Cie
   add_fde(Fde* fde)
   { this->fdes_.push_back(fde); }
 
+  // Remove the last FDE associated with this CIE.
+  void
+  remove_fde()
+  { this->fdes_.pop_back(); }
+
+  // Access the last FDE associated with this CIE.
+  const Fde*
+  last_fde() const
+  { return this->fdes_.back(); }
+
   // Return the number of FDEs.
   unsigned int
   fde_count() const
@@ -405,6 +420,11 @@ class Eh_frame : public Output_section_data
                      size_t cie_length, const unsigned char* fde_data,
                      size_t fde_length);
 
+  // Remove all post-map unwind information for a PLT.
+  void
+  remove_ehframe_for_plt(Output_data* plt, const unsigned char* cie_data,
+                        size_t cie_length);
+
   // Return the number of FDEs.
   unsigned int
   fde_count() const;