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bc644c6c ILT |
1 | // binary_unittest.cc -- test Binary_to_elf |
2 | ||
b3adc24a | 3 | // Copyright (C) 2008-2020 Free Software Foundation, Inc. |
bc644c6c 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 "gold.h" | |
24 | ||
25 | #include <unistd.h> | |
26 | #include <sys/types.h> | |
27 | #include <sys/stat.h> | |
28 | #include <fcntl.h> | |
29 | ||
30 | #include "elfcpp.h" | |
31 | #include "parameters.h" | |
32 | #include "errors.h" | |
33 | #include "options.h" | |
34 | #include "binary.h" | |
35 | #include "object.h" | |
418c15ae | 36 | #include "descriptors.h" |
bc644c6c ILT |
37 | |
38 | #include "test.h" | |
39 | #include "testfile.h" | |
40 | ||
4c8a1de1 RM |
41 | namespace |
42 | { | |
43 | ||
44 | ssize_t | |
45 | read_all (int fd, unsigned char* buf, ssize_t size) | |
46 | { | |
47 | ssize_t total_read = 0; | |
48 | while (size > 0) | |
49 | { | |
50 | ssize_t nread = ::read(fd, buf, size); | |
51 | if (nread < 0) | |
52 | return nread; | |
53 | if (nread == 0) | |
54 | break; | |
55 | buf += nread; | |
56 | size -= nread; | |
57 | total_read += nread; | |
58 | } | |
59 | return total_read; | |
60 | } | |
61 | ||
62 | } // End anonymous namespace. | |
63 | ||
bc644c6c ILT |
64 | namespace gold_testsuite |
65 | { | |
66 | ||
67 | using namespace gold; | |
68 | ||
69 | template<int size, bool big_endian> | |
70 | bool | |
029ba973 | 71 | Sized_binary_test() |
bc644c6c | 72 | { |
029ba973 | 73 | parameters_clear_target(); |
bc644c6c ILT |
74 | // We need a pretend Task. |
75 | const Task* task = reinterpret_cast<const Task*>(-1); | |
76 | ||
77 | // Use the executable itself as the binary data. | |
78 | struct stat st; | |
79 | CHECK(::stat(gold::program_name, &st) == 0); | |
418c15ae | 80 | int o = open_descriptor(-1, gold::program_name, O_RDONLY); |
bc644c6c ILT |
81 | CHECK(o >= 0); |
82 | unsigned char* filedata = new unsigned char[st.st_size]; | |
4c8a1de1 | 83 | CHECK(read_all(o, filedata, st.st_size) == static_cast<ssize_t>(st.st_size)); |
bc644c6c ILT |
84 | CHECK(::close(o) == 0); |
85 | ||
86 | Binary_to_elf binary(static_cast<elfcpp::EM>(0xffff), size, big_endian, | |
87 | gold::program_name); | |
88 | ||
89 | CHECK(binary.convert(task)); | |
90 | ||
91 | Input_file input_file(task, "test.o", binary.converted_data(), | |
92 | binary.converted_size()); | |
93 | Object* object = make_elf_object("test.o", &input_file, 0, | |
94 | binary.converted_data(), | |
15f8229b | 95 | binary.converted_size(), NULL); |
bc644c6c ILT |
96 | CHECK(object != NULL); |
97 | if (object == NULL) | |
98 | return false; | |
99 | ||
100 | CHECK(!object->is_dynamic()); | |
bc644c6c ILT |
101 | CHECK(object->shnum() == 5); |
102 | CHECK(object->section_name(1) == ".data"); | |
03df6b32 | 103 | CHECK(object->section_flags(1) == (elfcpp::SHF_ALLOC | elfcpp::SHF_WRITE)); |
bc644c6c ILT |
104 | section_size_type len; |
105 | const unsigned char* contents = object->section_contents(1, &len, false); | |
03df6b32 | 106 | CHECK(len == convert_to_section_size_type(st.st_size)); |
bc644c6c ILT |
107 | CHECK(memcmp(filedata, contents, len) == 0); |
108 | ||
109 | // Force the symbols to be read internally, so that | |
110 | // symbol_section_and_value will work. | |
111 | Read_symbols_data sd; | |
112 | object->read_symbols(&sd); | |
113 | delete sd.section_headers; | |
00698fc5 | 114 | sd.section_headers = NULL; |
bc644c6c | 115 | delete sd.section_names; |
00698fc5 | 116 | sd.section_names = NULL; |
bc644c6c | 117 | delete sd.symbols; |
00698fc5 | 118 | sd.symbols = NULL; |
bc644c6c | 119 | delete sd.symbol_names; |
00698fc5 | 120 | sd.symbol_names = NULL; |
bc644c6c | 121 | |
6fa2a40b CC |
122 | Sized_relobj_file<size, big_endian>* relobj = |
123 | static_cast<Sized_relobj_file<size, big_endian>*>(object); | |
124 | typename Sized_relobj_file<size, big_endian>::Address value; | |
d491d34e ILT |
125 | bool is_ordinary; |
126 | CHECK(relobj->symbol_section_and_value(0, &value, &is_ordinary) == 0); | |
127 | CHECK(is_ordinary); | |
bc644c6c | 128 | CHECK(value == 0); |
d491d34e ILT |
129 | CHECK(relobj->symbol_section_and_value(1, &value, &is_ordinary) == 1); |
130 | CHECK(is_ordinary); | |
bc644c6c | 131 | CHECK(value == 0); |
d491d34e ILT |
132 | CHECK(relobj->symbol_section_and_value(2, &value, &is_ordinary) == 1); |
133 | CHECK(is_ordinary); | |
bc644c6c | 134 | CHECK(static_cast<off_t>(value) == st.st_size); |
d491d34e ILT |
135 | CHECK(relobj->symbol_section_and_value(3, &value, &is_ordinary) |
136 | == elfcpp::SHN_ABS); | |
137 | CHECK(!is_ordinary); | |
bc644c6c ILT |
138 | CHECK(static_cast<off_t>(value) == st.st_size); |
139 | ||
140 | object->unlock(task); | |
141 | return true; | |
142 | } | |
143 | ||
144 | bool | |
145 | Binary_test(Test_report*) | |
146 | { | |
147 | Errors errors(gold::program_name); | |
8851ecca | 148 | set_parameters_errors(&errors); |
bc644c6c | 149 | |
a5dc0706 | 150 | General_options options; |
8851ecca | 151 | set_parameters_options(&options); |
bc644c6c ILT |
152 | |
153 | int fail = 0; | |
154 | ||
155 | #ifdef HAVE_TARGET_32_LITTLE | |
029ba973 | 156 | if (!Sized_binary_test<32, false>()) |
bc644c6c | 157 | ++fail; |
029ba973 | 158 | CHECK(¶meters->target() == target_test_pointer_32_little); |
bc644c6c ILT |
159 | #endif |
160 | ||
161 | #ifdef HAVE_TARGET_32_BIG | |
029ba973 | 162 | if (!Sized_binary_test<32, true>()) |
bc644c6c | 163 | ++fail; |
029ba973 | 164 | CHECK(¶meters->target() == target_test_pointer_32_big); |
bc644c6c ILT |
165 | #endif |
166 | ||
167 | #ifdef HAVE_TARGET_64_LITTLE | |
029ba973 | 168 | if (!Sized_binary_test<64, false>()) |
bc644c6c | 169 | ++fail; |
029ba973 | 170 | CHECK(¶meters->target() == target_test_pointer_64_little); |
bc644c6c ILT |
171 | #endif |
172 | ||
173 | #ifdef HAVE_TARGET_64_BIG | |
029ba973 | 174 | if (!Sized_binary_test<64, true>()) |
bc644c6c | 175 | ++fail; |
029ba973 | 176 | CHECK(¶meters->target() == target_test_pointer_64_big); |
bc644c6c ILT |
177 | #endif |
178 | ||
179 | return fail == 0; | |
180 | } | |
181 | ||
182 | Register_test binary_register("Binary", Binary_test); | |
183 | ||
184 | } // End namespace gold_testsuite. |