// gold.h -- general definitions for gold -*- C++ -*-
+// Copyright 2006, 2007 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"
#endif
+#ifndef HAVE_PREAD
+extern "C" ssize_t pread(int, void*, size_t, off_t);
+#endif
+
namespace gold
{
// This is a hack to work around a problem with older versions of g++.
#define SELECT_SIZE_ONLY(size)
#define ACCEPT_SIZE
#define ACCEPT_SIZE_ONLY
+#define ACCEPT_SIZE_EXPLICIT(size)
#define SELECT_SIZE_ENDIAN_NAME(size, big_endian) <size, big_endian>
#define SELECT_SIZE_ENDIAN(size, big_endian)
#define SELECT_SIZE_ENDIAN_ONLY(size, big_endian)
#define ACCEPT_SIZE_ENDIAN
#define ACCEPT_SIZE_ENDIAN_ONLY
+#define ACCEPT_SIZE_ENDIAN_EXPLICIT(size, big_endian)
#else // !defined(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS)
#define SELECT_SIZE_ONLY(size) Select_size<size>()
#define ACCEPT_SIZE , Select_size<size>
#define ACCEPT_SIZE_ONLY Select_size<size>
+#define ACCEPT_SIZE_EXPLICIT(size) , Select_size<size>
#define SELECT_SIZE_ENDIAN_NAME(size, big_endian)
#define SELECT_SIZE_ENDIAN(size, big_endian) \
Select_size_endian<size, big_endian>()
#define ACCEPT_SIZE_ENDIAN , Select_size_endian<size, big_endian>
#define ACCEPT_SIZE_ENDIAN_ONLY Select_size_endian<size, big_endian>
+#define ACCEPT_SIZE_ENDIAN_EXPLICIT(size, big_endian) \
+ , Select_size_endian<size, big_endian>
#endif // !defined(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS)
-} // End namespace gold.
-
-namespace gold
-{
+// General declarations.
class General_options;
+class Command_line;
class Input_argument_list;
class Dirsearch;
class Input_objects;
+class Symbol;
class Symbol_table;
class Layout;
+class Task;
class Workqueue;
class Output_file;
+template<int size, bool big_endian>
+struct Relocate_info;
+
+// 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;
extern void
gold_exit(bool status) ATTRIBUTE_NORETURN;
-// This function is called to emit an unexpected error message and a
-// newline, and then exit with failure. If PERRNO is true, it reports
-// the error in errno.
+// 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_fatal(const char* msg, bool perrno) ATTRIBUTE_NORETURN;
+gold_warning(const char* msg, ...) ATTRIBUTE_PRINTF_1;
+
+// 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, ...)
+ 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, ...)
+ ATTRIBUTE_PRINTF_4;
+
+// This function is called to report an undefined symbol.
+template<int size, bool big_endian>
+extern void
+gold_undefined_symbol(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;
-// This function is called in cases which can not arise if the code is
-// written correctly.
+// 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__))
+
+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
-gold_unreachable() ATTRIBUTE_NORETURN;
+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(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&,
- const Dirsearch&,
- const Input_argument_list&,
+ Dirsearch&,
+ const Command_line&,
Workqueue*,
Input_objects*,
Symbol_table*,
// Queue up the middle set of tasks.
extern void
queue_middle_tasks(const General_options&,
+ const Task*,
const Input_objects*,
Symbol_table*,
Layout*,
queue_final_tasks(const General_options&,
const Input_objects*,
const Symbol_table*,
- const Layout*,
+ Layout*,
Workqueue*,
Output_file* of);
projects / deliverable / binutils-gdb.git / blobdiff