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1 | // inremental.h -- incremental linking support for gold -*- C++ -*- |
2 | ||
3 | // Copyright 2009 Free Software Foundation, Inc. | |
4 | // Written by Mikolaj Zalewski <mikolajz@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_INCREMENTAL_H | |
24 | #define GOLD_INCREMENTAL_H | |
25 | ||
26 | #include <vector> | |
27 | ||
28 | #include "stringpool.h" | |
29 | #include "workqueue.h" | |
30 | ||
31 | namespace gold | |
32 | { | |
33 | ||
34 | class Archive; | |
35 | class Input_argument; | |
36 | class Incremental_inputs_checker; | |
37 | class Object; | |
38 | class Output_section_data; | |
39 | ||
40 | // This class contains the information needed during an incremental | |
41 | // build about the inputs necessary to build the .gnu_incremental_inputs. | |
42 | class Incremental_inputs | |
43 | { | |
44 | public: | |
45 | Incremental_inputs() | |
46 | : command_line_key_(0), strtab_(new Stringpool()) | |
47 | { } | |
48 | ~Incremental_inputs() { delete this->strtab_; } | |
49 | ||
50 | // Record the command line. | |
51 | void | |
52 | report_command_line(int argc, const char* const* argv); | |
53 | ||
54 | // Prepare for layout. Called from Layout::finalize. | |
55 | void | |
56 | finalize(); | |
57 | ||
58 | // Create the content of the .gnu_incremental_inputs section. | |
59 | Output_section_data* | |
60 | create_incremental_inputs_section_data(); | |
61 | ||
62 | // Return the .gnu_incremental_strtab stringpool. | |
63 | Stringpool* | |
64 | get_stringpool() | |
65 | { return this->strtab_; } | |
66 | ||
67 | private: | |
68 | // Code for each of the four possible variants of create_inputs_section_data. | |
69 | template<int size, bool big_endian> | |
70 | Output_section_data* | |
71 | sized_create_inputs_section_data(); | |
72 | ||
73 | // The key of the command line string in the string pool. | |
74 | Stringpool::Key command_line_key_; | |
75 | // The .gnu_incremental_strtab string pool associated with the | |
76 | // .gnu_incremental_inputs. | |
77 | Stringpool* strtab_; | |
78 | }; | |
79 | ||
80 | } // End namespace gold. | |
81 | ||
82 | #endif // !defined(GOLD_INCREMENTAL_H) |