X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gold%2Fdynobj.h;h=6334a0960820dc82c6cf388411f9003562587bc1;hb=cf950fd4dd4581849a445a76b57514d72074927d;hp=7f8576d2ca2c90162900a1c5704916ee18eb8e4a;hpb=e0c5278066dc16f8b0e00e970f56c1bd4d32f864;p=deliverable%2Fbinutils-gdb.git

diff --git a/gold/dynobj.h b/gold/dynobj.h
index 7f8576d2ca..6334a09608 100644
--- a/gold/dynobj.h
+++ b/gold/dynobj.h
@@ -1,6 +1,6 @@
 // dynobj.h -- dynamic object support for gold   -*- C++ -*-
 
-// Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+// Copyright (C) 2006-2019 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -72,6 +72,16 @@ class Dynobj : public Object
     this->unknown_needed_ = set ? UNKNOWN_NEEDED_TRUE : UNKNOWN_NEEDED_FALSE;
   }
 
+  // Return the word size of the object file.
+  int
+  elfsize() const
+  { gold_unreachable(); }
+
+  // Return TRUE if this is a big-endian object file.
+  bool
+  is_big_endian() const
+  { gold_unreachable(); }
+
   // Compute the ELF hash code for a string.
   static uint32_t
   elf_hash(const char*);
@@ -96,6 +106,11 @@ class Dynobj : public Object
 			unsigned char** pphash, unsigned int* phashlen);
 
  protected:
+  // Return a pointer to this object.
+  virtual Dynobj*
+  do_dynobj()
+  { return this; }
+
   // Set the DT_SONAME string.
   void
   set_soname_string(const char* s)
@@ -117,7 +132,7 @@ class Dynobj : public Object
 		       bool for_gnu_hash_table);
 
   // Sized version of create_elf_hash_table.
-  template<bool big_endian>
+  template<int size, bool big_endian>
   static void
   sized_create_elf_hash_table(const std::vector<uint32_t>& bucket,
 			      const std::vector<uint32_t>& chain,
@@ -156,7 +171,7 @@ template<int size, bool big_endian>
 class Sized_dynobj : public Dynobj
 {
  public:
-  typedef typename Sized_relobj<size, big_endian>::Symbols Symbols;
+  typedef typename Sized_relobj_file<size, big_endian>::Symbols Symbols;
 
   Sized_dynobj(const std::string& name, Input_file* input_file, off_t offset,
 	       const typename elfcpp::Ehdr<size, big_endian>&);
@@ -186,6 +201,11 @@ class Sized_dynobj : public Dynobj
   do_for_all_global_symbols(Read_symbols_data* sd,
 			    Library_base::Symbol_visitor_base* v);
 
+  // Iterate over local symbols, calling a visitor class V for each GOT offset
+  // associated with a local symbol.
+  void
+  do_for_all_local_got_entries(Got_offset_list::Visitor* v) const;
+
   // Get the size of a section.
   uint64_t
   do_section_size(unsigned int shndx)
@@ -193,14 +213,24 @@ class Sized_dynobj : public Dynobj
 
   // Get the name of a section.
   std::string
-  do_section_name(unsigned int shndx)
+  do_section_name(unsigned int shndx) const
   { return this->elf_file_.section_name(shndx); }
 
   // Return a view of the contents of a section.  Set *PLEN to the
   // size.
-  Object::Location
-  do_section_contents(unsigned int shndx)
-  { return this->elf_file_.section_contents(shndx); }
+  const unsigned char*
+  do_section_contents(unsigned int shndx, section_size_type* plen,
+		      bool cache)
+  {
+    Location loc(this->elf_file_.section_contents(shndx));
+    *plen = convert_to_section_size_type(loc.data_size);
+    if (*plen == 0)
+      {
+	static const unsigned char empty[1] = { '\0' };
+	return empty;
+      }
+    return this->get_view(loc.file_offset, *plen, true, cache);
+  }
 
   // Return section flags.
   uint64_t
@@ -250,6 +280,12 @@ class Sized_dynobj : public Dynobj
   do_get_global_symbols() const
   { return this->symbols_; }
 
+ protected:
+  // Read the symbols.  This is common code for all target-specific
+  // overrides of do_read_symbols().
+  void
+  base_read_symbols(Read_symbols_data*);
+
  private:
   // For convenience.
   typedef Sized_dynobj<size, big_endian> This;
@@ -589,7 +625,8 @@ class Versions
 
   // Handle a symbol SYM defined with version VERSION.
   void
-  add_def(const Symbol* sym, const char* version, Stringpool::Key);
+  add_def(Stringpool*, const Symbol* sym, const char* version,
+	  Stringpool::Key);
 
   // Add a reference to version NAME in file FILENAME.
   void
@@ -642,7 +679,7 @@ class Versions
   // Contents of --version-script, if passed, or NULL.
   const Version_script_info& version_script_;
   // Whether we need to insert a base version.  This is only used for
-  // shared libaries and is cleared when the base version is defined.
+  // shared libraries and is cleared when the base version is defined.
   bool needs_base_version_;
 };