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36959681 ILT |
1 | // freebsd.h -- FreeBSD support for gold -*- C++ -*- |
2 | ||
200b2bb9 | 3 | // Copyright 2009, 2011 Free Software Foundation, Inc. |
36959681 ILT |
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 | #include "target.h" | |
24 | #include "target-select.h" | |
25 | ||
26 | #ifndef GOLD_FREEBSD_H | |
27 | #define GOLD_FREEBSD_H | |
28 | ||
29 | namespace gold | |
30 | { | |
31 | ||
32 | // FreeBSD 4.1 and later wants the EI_OSABI field in the ELF header to | |
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33 | // be set to ELFOSABI_FREEBSD. This is a target selector for targets |
34 | // which permit combining both FreeBSD and non-FreeBSD object files. | |
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35 | |
36 | class Target_selector_freebsd : public Target_selector | |
37 | { | |
38 | public: | |
2ea97941 ILT |
39 | Target_selector_freebsd(int machine, int size, bool is_big_endian, |
40 | const char* bfd_name, | |
36959681 | 41 | const char* freebsd_bfd_name) |
2ea97941 ILT |
42 | : Target_selector(machine, size, is_big_endian, NULL), |
43 | bfd_name_(bfd_name), freebsd_bfd_name_(freebsd_bfd_name) | |
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44 | { } |
45 | ||
46 | protected: | |
47 | // If we see a FreeBSD input file, mark the output file as using | |
48 | // FreeBSD. | |
49 | virtual Target* | |
50 | do_recognize(int, int osabi, int) | |
51 | { | |
52 | Target* ret = this->instantiate_target(); | |
53 | if (osabi == elfcpp::ELFOSABI_FREEBSD) | |
200b2bb9 | 54 | ret->set_osabi(static_cast<elfcpp::ELFOSABI>(osabi)); |
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55 | return ret; |
56 | } | |
57 | ||
58 | // Recognize two names. | |
59 | virtual Target* | |
60 | do_recognize_by_name(const char* name) | |
61 | { | |
62 | if (strcmp(name, this->bfd_name_) == 0) | |
63 | return this->instantiate_target(); | |
64 | else if (strcmp(name, this->freebsd_bfd_name_) == 0) | |
65 | { | |
66 | Target* ret = this->instantiate_target(); | |
200b2bb9 | 67 | ret->set_osabi(elfcpp::ELFOSABI_FREEBSD); |
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68 | return ret; |
69 | } | |
70 | else | |
71 | return NULL; | |
72 | } | |
73 | ||
74 | // Print both names in --help output. | |
75 | virtual void | |
76 | do_supported_names(std::vector<const char*>* names) | |
77 | { | |
78 | names->push_back(this->bfd_name_); | |
79 | names->push_back(this->freebsd_bfd_name_); | |
80 | } | |
81 | ||
82 | private: | |
36959681 ILT |
83 | // The BFD name for the non-Freebsd target. |
84 | const char* bfd_name_; | |
85 | // The BFD name for the Freebsd target. | |
86 | const char* freebsd_bfd_name_; | |
87 | }; | |
88 | ||
89 | } // end namespace gold | |
90 | ||
91 | #endif // !defined(GOLD_FREEBSD_H) |