mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-27 03:51:15 +08:00
126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
// errors.h -- handle errors 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_ERRORS_H
|
|
#define GOLD_ERRORS_H
|
|
|
|
#include <cstdarg>
|
|
|
|
#include "gold-threads.h"
|
|
|
|
namespace gold
|
|
{
|
|
|
|
class Symbol;
|
|
template<int size, bool big_endian>
|
|
struct Relocate_info;
|
|
|
|
// This class handles errors for gold. There is a single instance
|
|
// which is used by all threads. If and when we make the gold code
|
|
// more amenable to being used in a library, we will make this an
|
|
// abstract interface class, and expect the caller to provide their
|
|
// own instantiation.
|
|
|
|
class Errors
|
|
{
|
|
public:
|
|
Errors(const char* program_name);
|
|
|
|
// Report a fatal error. After printing the error, this must exit.
|
|
void
|
|
fatal(const char* format, va_list) ATTRIBUTE_NORETURN;
|
|
|
|
// Report an error and continue.
|
|
void
|
|
error(const char* format, va_list);
|
|
|
|
// Report a warning and continue.
|
|
void
|
|
warning(const char* format, va_list);
|
|
|
|
// Report an error at a reloc location.
|
|
template<int size, bool big_endian>
|
|
void
|
|
error_at_location(const Relocate_info<size, big_endian>* relinfo,
|
|
size_t relnum, off_t reloffset,
|
|
const char* format, va_list);
|
|
|
|
// Report a warning at a reloc location.
|
|
template<int size, bool big_endian>
|
|
void
|
|
warning_at_location(const Relocate_info<size, big_endian>* relinfo,
|
|
size_t relnum, off_t reloffset,
|
|
const char* format, va_list);
|
|
|
|
// Issue an undefined symbol error. 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>
|
|
void
|
|
undefined_symbol(const Symbol* sym,
|
|
const Relocate_info<size, big_endian>* relinfo,
|
|
size_t relnum, off_t reloffset);
|
|
|
|
// Report a debugging message.
|
|
void
|
|
debug(const char* format, ...) ATTRIBUTE_PRINTF_2;
|
|
|
|
// Return the number of errors.
|
|
int
|
|
error_count() const
|
|
{ return this->error_count_; }
|
|
|
|
private:
|
|
Errors(const Errors&);
|
|
Errors& operator=(const Errors&);
|
|
|
|
// Initialize the lock. We don't do this in the constructor because
|
|
// lock initialization wants to know whether we are using threads or
|
|
// not. This returns true if the lock is now initialized.
|
|
bool
|
|
initialize_lock();
|
|
|
|
// Increment a counter, holding the lock.
|
|
void
|
|
increment_counter(int*);
|
|
|
|
// The number of times we report an undefined symbol.
|
|
static const int max_undefined_error_report = 5;
|
|
|
|
// The name of the program.
|
|
const char* program_name_;
|
|
// This class can be accessed from multiple threads. This lock is
|
|
// used to control access to the data structures.
|
|
Lock* lock_;
|
|
// Numbers of errors reported.
|
|
int error_count_;
|
|
// Number of warnings reported.
|
|
int warning_count_;
|
|
// A map counting the numbers of times we have seen an undefined
|
|
// symbol.
|
|
Unordered_map<const Symbol*, int> undefined_symbols_;
|
|
};
|
|
|
|
} // End namespace gold.
|
|
|
|
#endif // !defined(GOLD_ERRORS_H)
|