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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.