Allow target to adjust dynamic symbol value.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

gold/
	* symtab.cc (Symbol_table::sized_write_globals): Allow a target to
	adjust dynamic symbol value.
	* target.h (Target::adjust_dyn_symbol): New function.
	(Target::do_adjust_dyn_symbol): New function.

diff --git a/gold/ChangeLog b/gold/ChangeLog
index c29eb1e..21e23d3 100644 (file)
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,4 +1,11 @@
 2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
+
+       * symtab.cc (Symbol_table::sized_write_globals): Allow a target to
+       adjust dynamic symbol value.
+       * target.h (Target::adjust_dyn_symbol): New function.
+       (Target::do_adjust_dyn_symbol): New function.
+
+2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
   
        * output.cc (Output_data_dynamic::Dynamic_entry::write):
        Get the value of DYNAMIC_CUSTOM dynamic entry.

diff --git a/gold/symtab.cc b/gold/symtab.cc
index 87173b2..2a00d56 100644 (file)
--- a/gold/symtab.cc
+++ b/gold/symtab.cc
@@ -3012,6 +3012,8 @@ Symbol_table::sized_write_globals(const Stringpool* sympool,
          unsigned char* pd = dynamic_view + (dynsym_index * sym_size);
          this->sized_write_symbol<size, big_endian>(sym, dynsym_value, shndx,
                                                     binding, dynpool, pd);
+          // Allow a target to adjust dynamic symbol value.
+          parameters->target().adjust_dyn_symbol(sym, pd);
        }
     }
 

diff --git a/gold/target.h b/gold/target.h
index bd51250..aaf4b1c 100644 (file)
--- a/gold/target.h
+++ b/gold/target.h
@@ -475,6 +475,11 @@ class Target
   dynamic_tag_custom_value(elfcpp::DT tag) const
   { return this->do_dynamic_tag_custom_value(tag); }
 
+  // Adjust the value written to the dynamic symbol table.
+  void
+  adjust_dyn_symbol(const Symbol* sym, unsigned char* view) const
+  { this->do_adjust_dyn_symbol(sym, view); }
+
  protected:
   // This struct holds the constant information for a child class.  We
   // use a struct to avoid the overhead of virtual function calls for
@@ -763,6 +768,11 @@ class Target
   do_dynamic_tag_custom_value(elfcpp::DT) const
   { gold_unreachable(); }
 
+  // This may be overridden by the child class.
+  virtual void
+  do_adjust_dyn_symbol(const Symbol*, unsigned char*) const
+  { }
+
  private:
   // The implementations of the four do_make_elf_object virtual functions are
   // almost identical except for their sizes and endianness.  We use a template.