* gdb.texinfo (Target Description): Remove warning about

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

diff --git a/gold/target.cc b/gold/target.cc
index b129b59fac6278f0ccdeaa21dc184c208fb5efb5..4a7af83c161735db77b20a63378387c2fab5daf4 100644 (file)
--- a/gold/target.cc
+++ b/gold/target.cc
@@ -1,6 +1,6 @@
-// target.cc
+// target.cc -- target support for gold.
 
-// Copyright 2009 Free Software Foundation, Inc.
+// Copyright 2009, 2010, 2011 Free Software Foundation, Inc.
 // Written by Doug Kwan <dougkwan@google.com>.
 
 // This file is part of gold.
@@ -21,20 +21,22 @@
 // MA 02110-1301, USA.
 
 #include "gold.h"
-#include "target.h"
-#include "dynobj.h"
 #include "elfcpp.h"
+#include "dynobj.h"
+#include "symtab.h"
+#include "output.h"
+#include "target.h"
 
 namespace gold
 {
 
 // Return whether NAME is a local label name.  This is used to implement the
-// --discard-locals options and can be overriden by children classes to
+// --discard-locals options and can be overridden by child classes to
 // implement system-specific behaviour.  The logic here is the same as that
 // in _bfd_elf_is_local_label_name().
 
 bool
-Target::do_is_local_label_name (const char* name) const
+Target::do_is_local_label_name(const char* name) const
 {
   // Normal local symbols start with ``.L''.
   if (name[0] == '.' && name[1] == 'L')
@@ -72,8 +74,8 @@ Target::do_make_elf_object_implementation(
   int et = ehdr.get_e_type();
   if (et == elfcpp::ET_REL)
     {
-      Sized_relobj<size, big_endian>* obj =
-       new Sized_relobj<size, big_endian>(name, input_file, offset, ehdr);
+      Sized_relobj_file<size, big_endian>* obj =
+       new Sized_relobj_file<size, big_endian>(name, input_file, offset, ehdr);
       obj->setup();
       return obj;
     }
@@ -136,6 +138,22 @@ Target::do_make_elf_object(const std::string& name, Input_file* input_file,
 }
 #endif
 
+Output_section*
+Target::do_make_output_section(const char* name, elfcpp::Elf_Word type,
+                              elfcpp::Elf_Xword flags)
+{
+  return new Output_section(name, type, flags);
+}
+
+// Default for whether a reloc is a call to a non-split function is
+// whether the symbol is a function.
+
+bool
+Target::do_is_call_to_non_split(const Symbol* sym, unsigned int) const
+{
+  return sym->type() == elfcpp::STT_FUNC;
+}
+
 // Default conversion for -fsplit-stack is to give an error.
 
 void
@@ -182,4 +200,49 @@ Target::set_view_to_nop(unsigned char* view, section_size_type view_size,
     }
 }
 
+// Class Sized_target.
+
+// Set the EI_OSABI field of the ELF header if requested.
+
+template<int size, bool big_endian>
+void
+Sized_target<size, big_endian>::do_adjust_elf_header(unsigned char* view,
+                                                    int len) const
+{
+  elfcpp::ELFOSABI osabi = this->osabi();
+  if (osabi != elfcpp::ELFOSABI_NONE)
+    {
+      gold_assert(len == elfcpp::Elf_sizes<size>::ehdr_size);
+
+      elfcpp::Ehdr<size, false> ehdr(view);
+      unsigned char e_ident[elfcpp::EI_NIDENT];
+      memcpy(e_ident, ehdr.get_e_ident(), elfcpp::EI_NIDENT);
+
+      e_ident[elfcpp::EI_OSABI] = osabi;
+
+      elfcpp::Ehdr_write<size, false> oehdr(view);
+      oehdr.put_e_ident(e_ident);
+    }
+}
+
+#ifdef HAVE_TARGET_32_LITTLE
+template
+class Sized_target<32, false>;
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+class Sized_target<32, true>;
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+template
+class Sized_target<64, false>;
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+template
+class Sized_target<64, true>;
+#endif
+
 } // End namespace gold.