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// binary_unittest.cc -- test Binary_to_elf

// Copyright 2008 Free Software Foundation, Inc.

// Written by Ian Lance Taylor <iant@google.com>.

// This file is part of gold.

// This program is free software; you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation; either version 3 of the License, or

// (at your option) any later version.

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License

// along with this program; if not, write to the Free Software

// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

// MA 02110-1301, USA.

#include "gold.h"

#include <unistd.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

#include "elfcpp.h"

#include "parameters.h"

#include "errors.h"

#include "options.h"

#include "binary.h"

#include "object.h"

#include "test.h"

#include "testfile.h"

namespace gold_testsuite

{

using namespace gold;

template<int size, bool big_endian>

bool

Sized_binary_test()

{

  parameters_clear_target();

  // We need a pretend Task.

  const Task* task = reinterpret_cast<const Task*>(-1);

  // Use the executable itself as the binary data.

  struct stat st;

  CHECK(::stat(gold::program_name, &st) == 0);

  int o = ::open(gold::program_name, O_RDONLY);

  CHECK(o >= 0);

  unsigned char* filedata = new unsigned char[st.st_size];

  CHECK(::read(o, filedata, st.st_size) == st.st_size);

  CHECK(::close(o) == 0);

  Binary_to_elf binary(static_cast<elfcpp::EM>(0xffff), size, big_endian,

                       gold::program_name);

  CHECK(binary.convert(task));

  Input_file input_file(task, "test.o", binary.converted_data(),

                        binary.converted_size());

  Object* object = make_elf_object("test.o", &input_file, 0,

                                   binary.converted_data(),

                                   binary.converted_size(), NULL);

  CHECK(object != NULL);

  if (object == NULL)

    return false;

  CHECK(!object->is_dynamic());

  CHECK(object->shnum() == 5);

  CHECK(object->section_name(1) == ".data");

  CHECK(object->section_flags(1) == (elfcpp::SHF_ALLOC | elfcpp::SHF_WRITE));

  section_size_type len;

  const unsigned char* contents = object->section_contents(1, &len, false);

  CHECK(len == convert_to_section_size_type(st.st_size));

  CHECK(memcmp(filedata, contents, len) == 0);

  // Force the symbols to be read internally, so that

  // symbol_section_and_value will work.

  Read_symbols_data sd;

  object->read_symbols(&sd);

  delete sd.section_headers;

  delete sd.section_names;

  delete sd.symbols;

  delete sd.symbol_names;

  Sized_relobj<size, big_endian>* relobj =

    static_cast<Sized_relobj<size, big_endian>*>(object);

  typename Sized_relobj<size, big_endian>::Address value;

  bool is_ordinary;

  CHECK(relobj->symbol_section_and_value(0, &value, &is_ordinary) == 0);

  CHECK(is_ordinary);

  CHECK(value == 0);

  CHECK(relobj->symbol_section_and_value(1, &value, &is_ordinary) == 1);

  CHECK(is_ordinary);

  CHECK(value == 0);

  CHECK(relobj->symbol_section_and_value(2, &value, &is_ordinary) == 1);

  CHECK(is_ordinary);

  CHECK(static_cast<off_t>(value) == st.st_size);

  CHECK(relobj->symbol_section_and_value(3, &value, &is_ordinary)

        == elfcpp::SHN_ABS);

  CHECK(!is_ordinary);

  CHECK(static_cast<off_t>(value) == st.st_size);

  object->unlock(task);

  return true;

}

bool

Binary_test(Test_report*)

{

  Errors errors(gold::program_name);

  set_parameters_errors(&errors);

  General_options options;

  set_parameters_options(&options);

  int fail = 0;

#ifdef HAVE_TARGET_32_LITTLE

  if (!Sized_binary_test<32, false>())

    ++fail;

  CHECK(&parameters->target() == target_test_pointer_32_little);

#endif

#ifdef HAVE_TARGET_32_BIG

  if (!Sized_binary_test<32, true>())

    ++fail;

  CHECK(&parameters->target() == target_test_pointer_32_big);

#endif

#ifdef HAVE_TARGET_64_LITTLE

  if (!Sized_binary_test<64, false>())

    ++fail;

  CHECK(&parameters->target() == target_test_pointer_64_little);

#endif

#ifdef HAVE_TARGET_64_BIG

  if (!Sized_binary_test<64, true>())

    ++fail;

  CHECK(&parameters->target() == target_test_pointer_64_big);

#endif

  return fail == 0;

}

Register_test binary_register("Binary", Binary_test);

} // End namespace gold_testsuite.