gold/testsuite/binary_unittest.cc

   1 // binary_unittest.cc -- test Binary_to_elf
   2
   3 // Copyright 2008, 2012 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 #include "descriptors.h"
  37
  38 #include "test.h"
  39 #include "testfile.h"
  40
  41 namespace gold_testsuite
  42 {
  43
  44 using namespace gold;
  45
  46 template<int size, bool big_endian>
  47 bool
  48 Sized_binary_test()
  49 {
  50   parameters_clear_target();
  51   // We need a pretend Task.
  52   const Task* task = reinterpret_cast<const Task*>(-1);
  53
  54   // Use the executable itself as the binary data.
  55   struct stat st;
  56   CHECK(::stat(gold::program_name, &st) == 0);
  57   int o = open_descriptor(-1, gold::program_name, O_RDONLY);
  58   CHECK(o >= 0);
  59   unsigned char* filedata = new unsigned char[st.st_size];
  60   CHECK(::read(o, filedata, st.st_size) == st.st_size);
  61   CHECK(::close(o) == 0);
  62
  63   Binary_to_elf binary(static_cast<elfcpp::EM>(0xffff), size, big_endian,
  64                        gold::program_name);
  65
  66   CHECK(binary.convert(task));
  67
  68   Input_file input_file(task, "test.o", binary.converted_data(),
  69                         binary.converted_size());
  70   Object* object = make_elf_object("test.o", &input_file, 0,
  71                                    binary.converted_data(),
  72                                    binary.converted_size(), NULL);
  73   CHECK(object != NULL);
  74   if (object == NULL)
  75     return false;
  76
  77   CHECK(!object->is_dynamic());
  78   CHECK(object->shnum() == 5);
  79   CHECK(object->section_name(1) == ".data");
  80   CHECK(object->section_flags(1) == (elfcpp::SHF_ALLOC | elfcpp::SHF_WRITE));
  81   section_size_type len;
  82   const unsigned char* contents = object->section_contents(1, &len, false);
  83   CHECK(len == convert_to_section_size_type(st.st_size));
  84   CHECK(memcmp(filedata, contents, len) == 0);
  85
  86   // Force the symbols to be read internally, so that
  87   // symbol_section_and_value will work.
  88   Read_symbols_data sd;
  89   object->read_symbols(&sd);
  90   delete sd.section_headers;
  91   sd.section_headers = NULL;
  92   delete sd.section_names;
  93   sd.section_names = NULL;
  94   delete sd.symbols;
  95   sd.symbols = NULL;
  96   delete sd.symbol_names;
  97   sd.symbol_names = NULL;
  98
  99   Sized_relobj_file<size, big_endian>* relobj =
 100     static_cast<Sized_relobj_file<size, big_endian>*>(object);
 101   typename Sized_relobj_file<size, big_endian>::Address value;
 102   bool is_ordinary;
 103   CHECK(relobj->symbol_section_and_value(0, &value, &is_ordinary) == 0);
 104   CHECK(is_ordinary);
 105   CHECK(value == 0);
 106   CHECK(relobj->symbol_section_and_value(1, &value, &is_ordinary) == 1);
 107   CHECK(is_ordinary);
 108   CHECK(value == 0);
 109   CHECK(relobj->symbol_section_and_value(2, &value, &is_ordinary) == 1);
 110   CHECK(is_ordinary);
 111   CHECK(static_cast<off_t>(value) == st.st_size);
 112   CHECK(relobj->symbol_section_and_value(3, &value, &is_ordinary)
 113         == elfcpp::SHN_ABS);
 114   CHECK(!is_ordinary);
 115   CHECK(static_cast<off_t>(value) == st.st_size);
 116
 117   object->unlock(task);
 118   return true;
 119 }
 120
 121 bool
 122 Binary_test(Test_report*)
 123 {
 124   Errors errors(gold::program_name);
 125   set_parameters_errors(&errors);
 126
 127   General_options options;
 128   set_parameters_options(&options);
 129
 130   int fail = 0;
 131
 132 #ifdef HAVE_TARGET_32_LITTLE
 133   if (!Sized_binary_test<32, false>())
 134     ++fail;
 135   CHECK(&parameters->target() == target_test_pointer_32_little);
 136 #endif
 137
 138 #ifdef HAVE_TARGET_32_BIG
 139   if (!Sized_binary_test<32, true>())
 140     ++fail;
 141   CHECK(&parameters->target() == target_test_pointer_32_big);
 142 #endif
 143
 144 #ifdef HAVE_TARGET_64_LITTLE
 145   if (!Sized_binary_test<64, false>())
 146     ++fail;
 147   CHECK(&parameters->target() == target_test_pointer_64_little);
 148 #endif
 149
 150 #ifdef HAVE_TARGET_64_BIG
 151   if (!Sized_binary_test<64, true>())
 152     ++fail;
 153   CHECK(&parameters->target() == target_test_pointer_64_big);
 154 #endif
 155
 156   return fail == 0;
 157 }
 158
 159 Register_test binary_register("Binary", Binary_test);
 160
 161 } // End namespace gold_testsuite.