| 1 | // mapfile.h -- map file generation for gold -*- C++ -*- |
| 2 | |
| 3 | // Copyright 2008 Free Software Foundation, Inc. |
| 4 | // Written by Ian Lance Taylor <iant@google.com>. |
| 5 | |
| 6 | // This file is part of gold. |
| 7 | |
| 8 | // This program is free software; you can redistribute it and/or modify |
| 9 | // it under the terms of the GNU General Public License as published by |
| 10 | // the Free Software Foundation; either version 3 of the License, or |
| 11 | // (at your option) any later version. |
| 12 | |
| 13 | // This program is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | // GNU General Public License for more details. |
| 17 | |
| 18 | // You should have received a copy of the GNU General Public License |
| 19 | // along with this program; if not, write to the Free Software |
| 20 | // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 21 | // MA 02110-1301, USA. |
| 22 | |
| 23 | #ifndef GOLD_MAP_H |
| 24 | #define GOLD_MAP_H |
| 25 | |
| 26 | #include <cstdio> |
| 27 | #include <string> |
| 28 | |
| 29 | namespace gold |
| 30 | { |
| 31 | |
| 32 | class Archive; |
| 33 | class Symbol; |
| 34 | class Relobj; |
| 35 | template<int size, bool big_endian> |
| 36 | class Sized_relobj; |
| 37 | class Output_section; |
| 38 | class Output_data; |
| 39 | |
| 40 | // This class manages map file output. |
| 41 | |
| 42 | class Mapfile |
| 43 | { |
| 44 | public: |
| 45 | Mapfile(); |
| 46 | |
| 47 | ~Mapfile(); |
| 48 | |
| 49 | // Open the map file. Return whether the open succeed. |
| 50 | bool |
| 51 | open(const char* map_filename); |
| 52 | |
| 53 | // Close the map file. |
| 54 | void |
| 55 | close(); |
| 56 | |
| 57 | // Report that we are including a member from an archive. This is |
| 58 | // called by the archive reading code. |
| 59 | void |
| 60 | report_include_archive_member(const Archive*, const std::string& member_name, |
| 61 | const Symbol* sym, const char* why); |
| 62 | |
| 63 | // Report allocating a common symbol. |
| 64 | void |
| 65 | report_allocate_common(const Symbol*, uint64_t symsize); |
| 66 | |
| 67 | // Print discarded input sections. |
| 68 | void |
| 69 | print_discarded_sections(const Input_objects*); |
| 70 | |
| 71 | // Print an output section. |
| 72 | void |
| 73 | print_output_section(const Output_section*); |
| 74 | |
| 75 | // Print an input section. |
| 76 | void |
| 77 | print_input_section(Relobj*, unsigned int shndx); |
| 78 | |
| 79 | // Print an Output_data. |
| 80 | void |
| 81 | print_output_data(const Output_data*, const char* name); |
| 82 | |
| 83 | private: |
| 84 | // The space we allow for a section name. |
| 85 | static const size_t section_name_map_length; |
| 86 | |
| 87 | // Advance to a column. |
| 88 | void |
| 89 | advance_to_column(size_t from, size_t to); |
| 90 | |
| 91 | // Print the memory map header. |
| 92 | void |
| 93 | print_memory_map_header(); |
| 94 | |
| 95 | // Print symbols for an input section. |
| 96 | template<int size, bool big_endian> |
| 97 | void |
| 98 | print_input_section_symbols(const Sized_relobj<size, big_endian>*, |
| 99 | unsigned int shndx); |
| 100 | |
| 101 | // Map file to write to. |
| 102 | FILE* map_file_; |
| 103 | // Whether we have printed the archive member header. |
| 104 | bool printed_archive_header_; |
| 105 | // Whether we have printed the allocated common header. |
| 106 | bool printed_common_header_; |
| 107 | // Whether we have printed the memory map header. |
| 108 | bool printed_memory_map_header_; |
| 109 | }; |
| 110 | |
| 111 | } // End namespace gold. |
| 112 | |
| 113 | #endif // !defined(GOLD_MAP_H) |