Hash tables, dynamic section, i386 PLT, gold_assert.

3 files changed, 66 insertions, 17 deletions

diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h
index afbd74d..ba85b3d 100644
--- a/elfcpp/elfcpp.h
+++ b/elfcpp/elfcpp.h
@@ -1304,6 +1304,32 @@ class Dyn
   const internal::Dyn_data<size>* p_;
 };
 
+// Write class for an entry in the SHT_DYNAMIC section.
+
+template<int size, bool big_endian>
+class Dyn_write
+{
+ public:
+  Dyn_write(unsigned char* p)
+    : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
+  { }
+
+  void
+  put_d_tag(typename Elf_types<size>::Elf_Swxword v)
+  { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
+
+  void
+  put_d_val(typename Elf_types<size>::Elf_WXword v)
+  { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
+
+  void
+  put_d_ptr(typename Elf_types<size>::Elf_Addr v)
+  { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
+
+ private:
+  internal::Dyn_data<size>* p_;
+};
+
 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
 
 template<int size, bool big_endian>
diff --git a/elfcpp/elfcpp_file.h b/elfcpp/elfcpp_file.h
index 043c269..c9563ee 100644
--- a/elfcpp/elfcpp_file.h
+++ b/elfcpp/elfcpp_file.h
@@ -102,6 +102,10 @@ class Elf_file
   typename File::Location
   section_contents(unsigned int shndx);
 
+  // Return the flags of section SHNDX.
+  typename Elf_types<size>::Elf_WXword
+  section_flags(unsigned int shndx);
+
  private:
   // Shared constructor code.
   void
@@ -250,6 +254,25 @@ Elf_file<size, big_endian, File>::section_contents(unsigned int shndx)
   return typename File::Location(shdr.get_sh_offset(), shdr.get_sh_size());
 }
 
+// Return the section flags of section SHNDX.
+
+template<int size, bool big_endian, typename File>
+typename Elf_types<size>::Elf_WXword
+Elf_file<size, big_endian, File>::section_flags(unsigned int shndx)
+{
+  File* const file = this->file_;
+
+  if (shndx >= this->shnum())
+    file->error(_("section_flags: bad shndx %u >= %u"),
+		shndx, this->shnum());
+
+  typename File::View v(file->view(this->section_header_offset(shndx),
+				   This::shdr_size));
+
+  Ef_shdr shdr(v.data());
+  return shdr.get_sh_flags();
+}
+
 } // End namespace elfcpp.
 
 #endif // !defined(ELFCPP_FILE_H)
diff --git a/elfcpp/elfcpp_swap.h b/elfcpp/elfcpp_swap.h
index 979108e..71b02eb 100644
--- a/elfcpp/elfcpp_swap.h
+++ b/elfcpp/elfcpp_swap.h
@@ -180,9 +180,9 @@ struct Swap<8, big_endian>
 
 // Swap_unaligned is a template based on size and on whether the
 // target is big endian.  It defines the type Valtype and the
-// functions readval_unaligned and writeval_unaligned.  The functions
-// read and write values of the appropriate size out of buffers which
-// may be misaligned.
+// functions readval and writeval.  The functions read and write
+// values of the appropriate size out of buffers which may be
+// misaligned.
 
 template<int size, bool big_endian>
 struct Swap_unaligned;
@@ -193,11 +193,11 @@ struct Swap_unaligned<8, big_endian>
   typedef typename Valtype_base<8>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   { return *wv; }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   { *wv = v; }
 };
 
@@ -207,13 +207,13 @@ struct Swap_unaligned<16, false>
   typedef Valtype_base<16>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return (wv[1] << 8) | wv[0];
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[1] = v >> 8;
     wv[0] = v;
@@ -226,13 +226,13 @@ struct Swap_unaligned<16, true>
   typedef Valtype_base<16>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return (wv[0] << 8) | wv[1];
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[0] = v >> 8;
     wv[1] = v;
@@ -245,13 +245,13 @@ struct Swap_unaligned<32, false>
   typedef Valtype_base<32>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return (wv[3] << 24) | (wv[2] << 16) | (wv[1] << 8) | wv[0];
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[3] = v >> 24;
     wv[2] = v >> 16;
@@ -266,13 +266,13 @@ struct Swap_unaligned<32, true>
   typedef Valtype_base<32>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return (wv[0] << 24) | (wv[1] << 16) | (wv[2] << 8) | wv[3];
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[0] = v >> 24;
     wv[1] = v >> 16;
@@ -287,7 +287,7 @@ struct Swap_unaligned<64, false>
   typedef Valtype_base<64>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return ((static_cast<Valtype>(wv[7]) << 56)
 	    | (static_cast<Valtype>(wv[6]) << 48)
@@ -300,7 +300,7 @@ struct Swap_unaligned<64, false>
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[7] = v >> 56;
     wv[6] = v >> 48;
@@ -319,7 +319,7 @@ struct Swap_unaligned<64, true>
   typedef Valtype_base<64>::Valtype Valtype;
 
   static inline Valtype
-  readval_unaligned(const unsigned char* wv)
+  readval(const unsigned char* wv)
   {
     return ((static_cast<Valtype>(wv[0]) << 56)
 	    | (static_cast<Valtype>(wv[1]) << 48)
@@ -332,7 +332,7 @@ struct Swap_unaligned<64, true>
   }
 
   static inline void
-  writeval_unaligned(unsigned char* wv, Valtype v)
+  writeval(unsigned char* wv, Valtype v)
   {
     wv[7] = v >> 56;
     wv[6] = v >> 48;