// gold.h -- general definitions for gold -*- C++ -*-
-// Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2006-2020 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
#include "ansidecl.h"
#include <cstddef>
+#include <cstdlib>
#include <cstring>
#include <stdint.h>
#include <sys/types.h>
-#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 defintions 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) while (0) /* nothing */
-# define bindtextdomain(Domainname, Dirname) 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))
-
-#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_map 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_MREMAP
-#define MREMAP_MAYMOVE 1
-extern "C" void *mremap(void *, size_t, size_t, int, ...);
-#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
+#include "system.h"
namespace gold
{
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 function is called to exit the program. Status is true to
// exit success (0) and false to exit failure (1).
extern void
-gold_exit(bool status) ATTRIBUTE_NORETURN;
+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_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
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"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "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.
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)