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Diffstat (limited to 'binutils-2.25/gold/dirsearch.h')
-rw-r--r-- | binutils-2.25/gold/dirsearch.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/binutils-2.25/gold/dirsearch.h b/binutils-2.25/gold/dirsearch.h new file mode 100644 index 00000000..ebc0b5b3 --- /dev/null +++ b/binutils-2.25/gold/dirsearch.h @@ -0,0 +1,90 @@ +// dirsearch.h -- directory searching for gold -*- C++ -*- + +// Copyright 2006, 2007, 2008, 2009, 2010, 2011 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_DIRSEARCH_H +#define GOLD_DIRSEARCH_H + +#include <string> +#include <list> + +#include "options.h" +#include "token.h" + +namespace gold +{ + +class General_options; +class Workqueue; + +// A simple interface to manage directories to be searched for +// libraries. + +class Dirsearch +{ + public: + Dirsearch() + : directories_(NULL), token_(true) + { } + + // Set the list of directories to search. + void + initialize(Workqueue*, const General_options::Dir_list*); + + // Search for a file, giving one or two names to search for (the + // second one may be empty). Return a full path name for the file, + // or the empty string if it could not be found. This may only be + // called if the token is not blocked. Set *IS_IN_SYSROOT if the + // file was found in a directory which is in the sysroot. *PINDEX + // should be set to zero the first time this is called; it will be + // updated with the index of the directory where the file is found, + // and that value plus one may be used to find the next file with + // the same name(s). + std::string + find(const std::vector<std::string>& names, bool* is_in_sysroot, + int* pindex, std::string *found_name) const; + + // Return the blocker token which controls access. + Task_token* + token() + { return &this->token_; } + + // Search for a file in a directory list. This is a low-level function and + // therefore can be used before options and parameters are set. + static std::string + find_file_in_dir_list(const std::string& name, + const General_options::Dir_list& directories, + const std::string& extra_search_dir); + + private: + // We can not copy this class. + Dirsearch(const Dirsearch&); + Dirsearch& operator=(const Dirsearch&); + + // Directories to search. + const General_options::Dir_list* directories_; + // Blocker token to control access from tasks. + Task_token token_; +}; + +} // End namespace gold. + +#endif // !defined(GOLD_DIRSEARCH_H) |