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1 // binary_unittest.cc -- test Binary_to_elf
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 #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"
36
37 #include "test.h"
38 #include "testfile.h"
39
40 namespace gold_testsuite
41 {
42
43 using namespace gold;
44
45 template<int size, bool big_endian>
46 bool
47 Sized_binary_test(Target* target)
48 {
49   // We need a pretend Task.
50   const Task* task = reinterpret_cast<const Task*>(-1);
51
52   // Use the executable itself as the binary data.
53   struct stat st;
54   CHECK(::stat(gold::program_name, &st) == 0);
55   int o = ::open(gold::program_name, O_RDONLY);
56   CHECK(o >= 0);
57   unsigned char* filedata = new unsigned char[st.st_size];
58   CHECK(::read(o, filedata, st.st_size) == st.st_size);
59   CHECK(::close(o) == 0);
60
61   Binary_to_elf binary(static_cast<elfcpp::EM>(0xffff), size, big_endian,
62                        gold::program_name);
63
64   CHECK(binary.convert(task));
65
66   Input_file input_file(task, "test.o", binary.converted_data(),
67                         binary.converted_size());
68   Object* object = make_elf_object("test.o", &input_file, 0,
69                                    binary.converted_data(),
70                                    binary.converted_size(), NULL);
71   CHECK(object != NULL);
72   if (object == NULL)
73     return false;
74
75   CHECK(!object->is_dynamic());
76   CHECK(object->target() == target);
77   CHECK(object->shnum() == 5);
78   CHECK(object->section_name(1) == ".data");
79   CHECK(object->section_flags(1) == (elfcpp::SHF_ALLOC | elfcpp::SHF_WRITE));
80   section_size_type len;
81   const unsigned char* contents = object->section_contents(1, &len, false);
82   CHECK(len == convert_to_section_size_type(st.st_size));
83   CHECK(memcmp(filedata, contents, len) == 0);
84
85   // Force the symbols to be read internally, so that
86   // symbol_section_and_value will work.
87   Read_symbols_data sd;
88   object->read_symbols(&sd);
89   delete sd.section_headers;
90   delete sd.section_names;
91   delete sd.symbols;
92   delete sd.symbol_names;
93
94   Sized_relobj<size, big_endian>* relobj =
95     static_cast<Sized_relobj<size, big_endian>*>(object);
96   typename Sized_relobj<size, big_endian>::Address value;
97   bool is_ordinary;
98   CHECK(relobj->symbol_section_and_value(0, &value, &is_ordinary) == 0);
99   CHECK(is_ordinary);
100   CHECK(value == 0);
101   CHECK(relobj->symbol_section_and_value(1, &value, &is_ordinary) == 1);
102   CHECK(is_ordinary);
103   CHECK(value == 0);
104   CHECK(relobj->symbol_section_and_value(2, &value, &is_ordinary) == 1);
105   CHECK(is_ordinary);
106   CHECK(static_cast<off_t>(value) == st.st_size);
107   CHECK(relobj->symbol_section_and_value(3, &value, &is_ordinary)
108         == elfcpp::SHN_ABS);
109   CHECK(!is_ordinary);
110   CHECK(static_cast<off_t>(value) == st.st_size);
111
112   object->unlock(task);
113   return true;
114 }
115
116 bool
117 Binary_test(Test_report*)
118 {
119   Errors errors(gold::program_name);
120   set_parameters_errors(&errors);
121
122   General_options options;
123   set_parameters_options(&options);
124
125   int fail = 0;
126
127 #ifdef HAVE_TARGET_32_LITTLE
128   if (!Sized_binary_test<32, false>(target_test_pointer_32_little))
129     ++fail;
130 #endif
131
132 #ifdef HAVE_TARGET_32_BIG
133   if (!Sized_binary_test<32, true>(target_test_pointer_32_big))
134     ++fail;
135 #endif
136
137 #ifdef HAVE_TARGET_64_LITTLE
138   if (!Sized_binary_test<64, false>(target_test_pointer_64_little))
139     ++fail;
140 #endif
141
142 #ifdef HAVE_TARGET_64_BIG
143   if (!Sized_binary_test<64, true>(target_test_pointer_64_big))
144     ++fail;
145 #endif
146
147   return fail == 0;
148 }
149
150 Register_test binary_register("Binary", Binary_test);
151
152 } // End namespace gold_testsuite.