Add upstream binutils-2.25 snapshot 4/4 2014

For MIPS -mmsa support

Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96

1 files changed, 313 insertions, 0 deletions

diff --git a/binutils-2.25/gold/gold.h b/binutils-2.25/gold/gold.h
new file mode 100644
index 0000000..ef95f53
--- /dev/null
+++ b/binutils-2.25/gold/gold.h
@@ -0,0 +1,313 @@
+// gold.h -- general definitions for gold   -*- C++ -*-
+
+// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of gold.
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
+#ifndef GOLD_GOLD_H
+#define GOLD_GOLD_H
+
+#include "config.h"
+#include "ansidecl.h"
+
+#include <cstddef>
+#include <cstdlib>
+#include <cstring>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "system.h"
+
+namespace gold
+{
+
+// General declarations.
+
+class General_options;
+class Command_line;
+class Dirsearch;
+class Input_objects;
+class Mapfile;
+class Symbol;
+class Symbol_table;
+class Layout;
+class Task;
+class Workqueue;
+class Output_file;
+template<int size, bool big_endian>
+struct Relocate_info;
+
+// Exit status codes.
+
+enum Exit_status
+{
+  GOLD_OK = EXIT_SUCCESS,
+  GOLD_ERR = EXIT_FAILURE,
+  GOLD_FALLBACK = EXIT_FAILURE + 1
+};
+
+// Some basic types.  For these we use lower case initial letters.
+
+// For an offset in an input or output file, use off_t.  Note that
+// this will often be a 64-bit type even for a 32-bit build.
+
+// The size of a section if we are going to look at the contents.
+typedef size_t section_size_type;
+
+// An offset within a section when we are looking at the contents.
+typedef ptrdiff_t section_offset_type;
+
+// The name of the program as used in error messages.
+extern const char* program_name;
+
+// This function is called to exit the program.  Status is true to
+// exit success (0) and false to exit failure (1).
+extern void
+gold_exit(Exit_status status) ATTRIBUTE_NORETURN;
+
+// This function is called to emit an error message and then
+// immediately exit with failure.
+extern void
+gold_fatal(const char* format, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1;
+
+// This function is called to issue an error.  This will cause gold to
+// eventually exit with failure.
+extern void
+gold_error(const char* msg, ...) ATTRIBUTE_PRINTF_1;
+
+// This function is called to issue a warning.
+extern void
+gold_warning(const char* msg, ...) ATTRIBUTE_PRINTF_1;
+
+// This function is called to print an informational message.
+extern void
+gold_info(const char* msg, ...) ATTRIBUTE_PRINTF_1;
+
+// This function is called to emit an error message and then
+// immediately exit with fallback status (e.g., when
+// --incremental-update fails and the link needs to be restarted
+// with --incremental-full).
+extern void
+gold_fallback(const char* format, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1;
+
+// Work around a bug in gcc 4.3.0.  http://gcc.gnu.org/PR35546 .  This
+// can probably be removed after the bug has been fixed for a while.
+#ifdef HAVE_TEMPLATE_ATTRIBUTES
+#define TEMPLATE_ATTRIBUTE_PRINTF_4 ATTRIBUTE_PRINTF_4
+#else
+#define TEMPLATE_ATTRIBUTE_PRINTF_4
+#endif
+
+// This function is called to issue an error at the location of a
+// reloc.
+template<int size, bool big_endian>
+extern void
+gold_error_at_location(const Relocate_info<size, big_endian>*,
+		       size_t, off_t, const char* format, ...)
+  TEMPLATE_ATTRIBUTE_PRINTF_4;
+
+// This function is called to issue a warning at the location of a
+// reloc.
+template<int size, bool big_endian>
+extern void
+gold_warning_at_location(const Relocate_info<size, big_endian>*,
+			 size_t, off_t, const char* format, ...)
+  TEMPLATE_ATTRIBUTE_PRINTF_4;
+
+// This function is called to report an undefined symbol without
+// a relocation (e.g., referenced by a dynamic object).  SYM is
+// the undefined symbol.  The file name associated with the SYM
+// is used to print a location for the undefined symbol.
+extern void
+gold_undefined_symbol(const Symbol*);
+
+// This function is called to report an undefined symbol resulting
+// from a relocation.  SYM is the undefined symbol.  RELINFO is the
+// general relocation info.  RELNUM is the number of the reloc,
+// and RELOFFSET is the reloc's offset.
+template<int size, bool big_endian>
+extern void
+gold_undefined_symbol_at_location(const Symbol*,
+		                  const Relocate_info<size, big_endian>*,
+		                  size_t, off_t);
+
+// This is function is called in some cases if we run out of memory.
+extern void
+gold_nomem() ATTRIBUTE_NORETURN;
+
+// In versions of gcc before 4.3, using __FUNCTION__ in a template
+// function can cause gcc to get confused about whether or not the
+// function can return.  See http://gcc.gnu.org/PR30988.  Use a macro
+// to avoid the problem.  This can be removed when we no longer need
+// to care about gcc versions before 4.3.
+#if defined(__GNUC__) && GCC_VERSION < 4003
+#define FUNCTION_NAME static_cast<const char*>(__FUNCTION__)
+#else 
+#define FUNCTION_NAME __FUNCTION__
+#endif
+
+// This macro and function are used in cases which can not arise if
+// the code is written correctly.
+
+#define gold_unreachable() \
+  (gold::do_gold_unreachable(__FILE__, __LINE__, FUNCTION_NAME))
+
+extern void do_gold_unreachable(const char*, int, const char*)
+  ATTRIBUTE_NORETURN;
+
+// Assertion check.
+
+#define gold_assert(expr) ((void)(!(expr) ? gold_unreachable(), 0 : 0))
+
+// Print version information.
+extern void
+print_version(bool print_short);
+
+// Get the version string.
+extern const char*
+get_version_string();
+
+// Convert numeric types without unnoticed loss of precision.
+template<typename To, typename From>
+inline To
+convert_types(const From from)
+{
+  To to = from;
+  gold_assert(static_cast<From>(to) == from);
+  return to;
+}
+
+// A common case of convert_types<>: convert to section_size_type.
+template<typename From>
+inline section_size_type
+convert_to_section_size_type(const From from)
+{ return convert_types<section_size_type, From>(from); }
+
+// Queue up the first set of tasks.
+extern void
+queue_initial_tasks(const General_options&,
+		    Dirsearch&,
+		    const Command_line&,
+		    Workqueue*,
+		    Input_objects*,
+		    Symbol_table*,
+		    Layout*,
+		    Mapfile*);
+
+// Queue up the set of tasks to be done before
+// the middle set of tasks.  Only used when garbage
+// collection is to be done.
+extern void
+queue_middle_gc_tasks(const General_options&,
+                      const Task*,
+                      const Input_objects*,
+                      Symbol_table*,
+                      Layout*,
+                      Workqueue*,
+                      Mapfile*);
+
+// Queue up the middle set of tasks.
+extern void
+queue_middle_tasks(const General_options&,
+		   const Task*,
+		   const Input_objects*,
+		   Symbol_table*,
+		   Layout*,
+		   Workqueue*,
+		   Mapfile*);
+
+// Queue up the final set of tasks.
+extern void
+queue_final_tasks(const General_options&,
+		  const Input_objects*,
+		  const Symbol_table*,
+		  Layout*,
+		  Workqueue*,
+		  Output_file* of);
+
+inline bool
+is_prefix_of(const char* prefix, const char* str)
+{
+  return strncmp(prefix, str, strlen(prefix)) == 0;
+}
+
+const char* const cident_section_start_prefix = "__start_";
+const char* const cident_section_stop_prefix = "__stop_";
+
+// Returns true if the name is a valid C identifier
+inline bool
+is_cident(const char* name)
+{
+  return (name[strspn(name,
+	 	      ("0123456789"
+		       "ABCDEFGHIJKLMNOPWRSTUVWXYZ"
+		       "abcdefghijklmnopqrstuvwxyz"
+		       "_"))]
+	  == '\0');
+}
+
+// We sometimes need to hash strings.  Ideally we should use std::tr1::hash or
+// __gnu_cxx::hash on some systems but there is no guarantee that either
+// one is available.  For portability, we define simple string hash functions.
+
+template<typename Char_type>
+inline size_t
+string_hash(const Char_type* s, size_t length)
+{
+  // This is the hash function used by the dynamic linker for
+  // DT_GNU_HASH entries.  I compared this to a Fowler/Noll/Vo hash
+  // for a C++ program with 385,775 global symbols.  This hash
+  // function was very slightly worse.  However, it is much faster to
+  // compute.  Overall wall clock time was a win.
+  const unsigned char* p = reinterpret_cast<const unsigned char*>(s);
+  size_t h = 5381;
+  for (size_t i = 0; i < length * sizeof(Char_type); ++i)
+    h = h * 33 + *p++;
+  return h;
+}
+
+// Same as above except we expect the string to be zero terminated.
+
+template<typename Char_type>
+inline size_t
+string_hash(const Char_type* s)
+{
+  const unsigned char* p = reinterpret_cast<const unsigned char*>(s);
+  size_t h = 5381;
+  for (size_t i = 0; s[i] != 0; ++i)
+    {
+      for (size_t j = 0; j < sizeof(Char_type); j++)
+	h = h * 33 + *p++;
+    }
+
+  return h;
+}
+
+// Return whether STRING contains a wildcard character.  This is used
+// to speed up matching.
+
+inline bool
+is_wildcard_string(const char* s)
+{
+  return strpbrk(s, "?*[") != NULL;
+}
+
+} // End namespace gold.
+
+#endif // !defined(GOLD_GOLD_H)