125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
// dwp.h -- general definitions for dwp.
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// Copyright (C) 2012-2018 Free Software Foundation, Inc.
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// Written by Cary Coutant <ccoutant@google.com>.
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// This file is part of dwp, the DWARF packaging utility.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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#ifndef DWP_DWP_H
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#define DWP_DWP_H 1
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#include "config.h"
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#include "ansidecl.h"
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#include <cstddef>
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#include <cstdlib>
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#include <cstring>
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#include <stdint.h>
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#include <sys/types.h>
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#include "system.h"
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namespace gold
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{
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extern const char* program_name;
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class General_options;
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class Command_line;
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class Dirsearch;
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class Input_objects;
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class Mapfile;
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class Symbol;
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class Symbol_table;
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class Layout;
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class Task;
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class Workqueue;
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class Output_file;
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template<int size, bool big_endian>
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struct Relocate_info;
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// The size of a section if we are going to look at the contents.
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typedef size_t section_size_type;
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// An offset within a section when we are looking at the contents.
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typedef ptrdiff_t section_offset_type;
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inline bool
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is_prefix_of(const char* prefix, const char* str)
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{
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return strncmp(prefix, str, strlen(prefix)) == 0;
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}
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// Exit status codes.
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enum Exit_status
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{
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GOLD_OK = EXIT_SUCCESS,
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GOLD_ERR = EXIT_FAILURE,
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GOLD_FALLBACK = EXIT_FAILURE + 1
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};
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// This function is called to exit the program. Status is true to
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// exit success (0) and false to exit failure (1).
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extern void
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gold_exit(Exit_status status) ATTRIBUTE_NORETURN;
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// This function is called to emit an error message and then
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// immediately exit with failure.
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extern void
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gold_fatal(const char* format, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1;
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// This function is called to issue a warning.
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extern void
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gold_warning(const char* msg, ...) ATTRIBUTE_PRINTF_1;
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// This function is called to print an informational message.
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extern void
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gold_info(const char* msg, ...) ATTRIBUTE_PRINTF_1;
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#define gold_unreachable() \
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(gold::do_gold_unreachable(__FILE__, __LINE__, \
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static_cast<const char*>(__FUNCTION__)))
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extern void do_gold_unreachable(const char*, int, const char*)
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ATTRIBUTE_NORETURN;
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// Assertion check.
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#define gold_assert(expr) ((void)(!(expr) ? gold_unreachable(), 0 : 0))
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// Convert numeric types without unnoticed loss of precision.
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template<typename To, typename From>
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inline To
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convert_types(const From from)
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{
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To to = from;
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gold_assert(static_cast<From>(to) == from);
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return to;
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}
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// A common case of convert_types<>: convert to section_size_type.
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template<typename From>
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inline section_size_type
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convert_to_section_size_type(const From from)
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{ return convert_types<section_size_type, From>(from); }
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}; // End namespace gold.
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#endif // !defined(DWP_DWP_H)
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