gold/

	* dwp.h: New header file.
	* dwp.cc: New source file.
	* gold.h: Move shared declarations to system.h.
	* system.h: New header file.
	* Makefile.am: Add dwp.
	* Makefile.in: Regenerate.

1 files changed, 158 insertions, 0 deletions

diff --git a/gold/system.h b/gold/system.h
new file mode 100644
index 0000000..ce2d939
--- /dev/null
+++ b/gold/system.h
@@ -0,0 +1,158 @@
+// system.h -- general definitions for gold   -*- C++ -*-
+
+// Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012 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 SYSTEM_H
+#define SYSTEM_H 1
+
+#ifndef ENABLE_NLS
+  // The Solaris version of locale.h always includes libintl.h.  If we
+  // have been configured with --disable-nls then ENABLE_NLS will not
+  // be defined and the dummy definitions of bindtextdomain (et al)
+  // below will conflict with the definitions in libintl.h.  So we
+  // define these values to prevent the bogus inclusion of libintl.h.
+# define _LIBINTL_H
+# define _LIBGETTEXT_H
+#endif
+
+// Always include <clocale> first to avoid conflicts with the macros
+// used when ENABLE_NLS is not defined.
+#include <clocale>
+
+#ifdef ENABLE_NLS
+# include <libintl.h>
+# define _(String) gettext (String)
+# ifdef gettext_noop
+#  define N_(String) gettext_noop (String)
+# else
+#  define N_(String) (String)
+# endif
+#else
+# define gettext(Msgid) (Msgid)
+# define dgettext(Domainname, Msgid) (Msgid)
+# define dcgettext(Domainname, Msgid, Category) (Msgid)
+# define textdomain(Domainname) do {} while (0) /* nothing */
+# define bindtextdomain(Domainname, Dirname) do {} while (0) /* nothing */
+# define _(String) (String)
+# define N_(String) (String)
+#endif
+
+// Figure out how to get a hash set and a hash map.
+
+#if defined(HAVE_TR1_UNORDERED_SET) && defined(HAVE_TR1_UNORDERED_MAP) \
+    && defined(HAVE_TR1_UNORDERED_MAP_REHASH)
+
+#include <tr1/unordered_set>
+#include <tr1/unordered_map>
+
+// We need a template typedef here.
+
+#define Unordered_set std::tr1::unordered_set
+#define Unordered_map std::tr1::unordered_map
+#define Unordered_multimap std::tr1::unordered_multimap
+
+#define reserve_unordered_map(map, n) ((map)->rehash(n))
+
+#ifndef HAVE_TR1_HASH_OFF_T
+// The library does not support hashes of off_t values.  Add support
+// here.  This is likely to be specific to libstdc++.  This issue
+// arises with GCC 4.1.x when compiling in 32-bit mode with a 64-bit
+// off_t type.
+namespace std { namespace tr1 {
+template<>
+struct hash<off_t> : public std::unary_function<off_t, std::size_t>
+{
+  std::size_t
+  operator()(off_t val) const
+  { return static_cast<std::size_t>(val); }
+};
+} } // Close namespaces.
+#endif // !defined(HAVE_TR1_HASH_OFF_T)
+
+#elif defined(HAVE_EXT_HASH_MAP) && defined(HAVE_EXT_HASH_SET)
+
+#include <ext/hash_map>
+#include <ext/hash_set>
+#include <string>
+
+#define Unordered_set __gnu_cxx::hash_set
+#define Unordered_map __gnu_cxx::hash_map
+#define Unordered_multimap __gnu_cxx::hash_multimap
+
+namespace __gnu_cxx
+{
+
+template<>
+struct hash<std::string>
+{
+  size_t
+  operator()(std::string s) const
+  { return __stl_hash_string(s.c_str()); }
+};
+
+template<typename T>
+struct hash<T*>
+{
+  size_t
+  operator()(T* p) const
+  { return reinterpret_cast<size_t>(p); }
+};
+
+}
+
+#define reserve_unordered_map(map, n) ((map)->resize(n))
+
+#else
+
+// The fallback is to just use set and map.
+
+#include <set>
+#include <map>
+
+#define Unordered_set std::set
+#define Unordered_map std::map
+#define Unordered_multimap std::multimap
+
+#define reserve_unordered_map(map, n)
+
+#endif
+
+#ifndef HAVE_PREAD
+extern "C" ssize_t pread(int, void*, size_t, off_t);
+#endif
+
+#ifndef HAVE_FTRUNCATE
+extern "C" int ftruncate(int, off_t);
+#endif
+
+#ifndef HAVE_FFSLL
+extern "C" int ffsll(long long);
+#endif
+
+#if !HAVE_DECL_MEMMEM
+extern "C" void *memmem(const void *, size_t, const void *, size_t);
+#endif
+
+#if !HAVE_DECL_STRNDUP
+extern "C" char *strndup(const char *, size_t);
+#endif
+
+#endif // !defined(SYSTEM_H)