gold/testsuite/binary_unittest.cc

   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()
  48 {
  49   parameters_clear_target();
  50   // We need a pretend Task.
  51   const Task* task = reinterpret_cast<const Task*>(-1);
  52
  53   // Use the executable itself as the binary data.
  54   struct stat st;
  55   CHECK(::stat(gold::program_name, &st) == 0);
  56   int o = ::open(gold::program_name, O_RDONLY);
  57   CHECK(o >= 0);
  58   unsigned char* filedata = new unsigned char[st.st_size];
  59   CHECK(::read(o, filedata, st.st_size) == st.st_size);
  60   CHECK(::close(o) == 0);
  61
  62   Binary_to_elf binary(static_cast<elfcpp::EM>(0xffff), size, big_endian,
  63                        gold::program_name);
  64
  65   CHECK(binary.convert(task));
  66
  67   Input_file input_file(task, "test.o", binary.converted_data(),
  68                         binary.converted_size());
  69   Object* object = make_elf_object("test.o", &input_file, 0,
  70                                    binary.converted_data(),
  71                                    binary.converted_size(), NULL);
  72   CHECK(object != NULL);
  73   if (object == NULL)
  74     return false;
  75
  76   CHECK(!object->is_dynamic());
  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   sd.section_headers = NULL;
  91   delete sd.section_names;
  92   sd.section_names = NULL;
  93   delete sd.symbols;
  94   sd.symbols = NULL;
  95   delete sd.symbol_names;
  96   sd.symbol_names = NULL;
  97
  98   Sized_relobj<size, big_endian>* relobj =
  99     static_cast<Sized_relobj<size, big_endian>*>(object);
 100   typename Sized_relobj<size, big_endian>::Address value;
 101   bool is_ordinary;
 102   CHECK(relobj->symbol_section_and_value(0, &value, &is_ordinary) == 0);
 103   CHECK(is_ordinary);
 104   CHECK(value == 0);
 105   CHECK(relobj->symbol_section_and_value(1, &value, &is_ordinary) == 1);
 106   CHECK(is_ordinary);
 107   CHECK(value == 0);
 108   CHECK(relobj->symbol_section_and_value(2, &value, &is_ordinary) == 1);
 109   CHECK(is_ordinary);
 110   CHECK(static_cast<off_t>(value) == st.st_size);
 111   CHECK(relobj->symbol_section_and_value(3, &value, &is_ordinary)
 112         == elfcpp::SHN_ABS);
 113   CHECK(!is_ordinary);
 114   CHECK(static_cast<off_t>(value) == st.st_size);
 115
 116   object->unlock(task);
 117   return true;
 118 }
 119
 120 bool
 121 Binary_test(Test_report*)
 122 {
 123   Errors errors(gold::program_name);
 124   set_parameters_errors(&errors);
 125
 126   General_options options;
 127   set_parameters_options(&options);
 128
 129   int fail = 0;
 130
 131 #ifdef HAVE_TARGET_32_LITTLE
 132   if (!Sized_binary_test<32, false>())
 133     ++fail;
 134   CHECK(&parameters->target() == target_test_pointer_32_little);
 135 #endif
 136
 137 #ifdef HAVE_TARGET_32_BIG
 138   if (!Sized_binary_test<32, true>())
 139     ++fail;
 140   CHECK(&parameters->target() == target_test_pointer_32_big);
 141 #endif
 142
 143 #ifdef HAVE_TARGET_64_LITTLE
 144   if (!Sized_binary_test<64, false>())
 145     ++fail;
 146   CHECK(&parameters->target() == target_test_pointer_64_little);
 147 #endif
 148
 149 #ifdef HAVE_TARGET_64_BIG
 150   if (!Sized_binary_test<64, true>())
 151     ++fail;
 152   CHECK(&parameters->target() == target_test_pointer_64_big);
 153 #endif
 154
 155   return fail == 0;
 156 }
 157
 158 Register_test binary_register("Binary", Binary_test);
 159
 160 } // End namespace gold_testsuite.