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// binary_unittest.cc -- test Binary_to_elf
// Copyright (C) 2008-2019 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 "descriptors.h"
#include "test.h"
#include "testfile.h"
namespace
{
ssize_t
read_all (int fd, unsigned char* buf, ssize_t size)
{
ssize_t total_read = 0;
while (size > 0)
{
ssize_t nread = ::read(fd, buf, size);
if (nread < 0)
return nread;
if (nread == 0)
break;
buf += nread;
size -= nread;
total_read += nread;
}
return total_read;
}
} // End anonymous namespace.
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_descriptor(-1, gold::program_name, O_RDONLY);
CHECK(o >= 0);
unsigned char* filedata = new unsigned char[st.st_size];
CHECK(read_all(o, filedata, st.st_size) == static_cast<ssize_t>(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;
sd.section_headers = NULL;
delete sd.section_names;
sd.section_names = NULL;
delete sd.symbols;
sd.symbols = NULL;
delete sd.symbol_names;
sd.symbol_names = NULL;
Sized_relobj_file<size, big_endian>* relobj =
static_cast<Sized_relobj_file<size, big_endian>*>(object);
typename Sized_relobj_file<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(¶meters->target() == target_test_pointer_32_little);
#endif
#ifdef HAVE_TARGET_32_BIG
if (!Sized_binary_test<32, true>())
++fail;
CHECK(¶meters->target() == target_test_pointer_32_big);
#endif
#ifdef HAVE_TARGET_64_LITTLE
if (!Sized_binary_test<64, false>())
++fail;
CHECK(¶meters->target() == target_test_pointer_64_little);
#endif
#ifdef HAVE_TARGET_64_BIG
if (!Sized_binary_test<64, true>())
++fail;
CHECK(¶meters->target() == target_test_pointer_64_big);
#endif
return fail == 0;
}
Register_test binary_register("Binary", Binary_test);
} // End namespace gold_testsuite.
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