/*
Copyright (C) 2001-present by Serge Lamikhov-Center

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#ifdef _MSC_VER
#define _SCL_SECURE_NO_WARNINGS
#endif

#define BOOST_TEST_MODULE ELFIO_Test
#include <boost/test/included/unit_test.hpp>

#include <elfio/elfio.hpp>

using namespace ELFIO;

////////////////////////////////////////////////////////////////////////////////
void checkHeader( elfio&        reader,
                  unsigned char nClass,
                  unsigned char encoding,
                  unsigned char elfVersion,
                  Elf_Half      type,
                  Elf_Half      machine,
                  Elf_Word      version,
                  Elf64_Addr    entry,
                  Elf_Word      flags,
                  Elf_Half      secNum,
                  Elf_Half      segNum,
                  unsigned char OSABI,
                  unsigned char ABIVersion )
{
    BOOST_CHECK_EQUAL( reader.get_class(), nClass );
    BOOST_CHECK_EQUAL( reader.get_encoding(), encoding );
    BOOST_CHECK_EQUAL( reader.get_elf_version(), elfVersion );
    BOOST_CHECK_EQUAL( reader.get_os_abi(), OSABI );
    BOOST_CHECK_EQUAL( reader.get_abi_version(), ABIVersion );
    BOOST_CHECK_EQUAL( reader.get_type(), type );
    BOOST_CHECK_EQUAL( reader.get_machine(), machine );
    BOOST_CHECK_EQUAL( reader.get_version(), version );
    BOOST_CHECK_EQUAL( reader.get_entry(), entry );
    BOOST_CHECK_EQUAL( reader.get_flags(), flags );
    BOOST_CHECK_EQUAL( reader.sections.size(), secNum );
    BOOST_CHECK_EQUAL( reader.segments.size(), segNum );
}

////////////////////////////////////////////////////////////////////////////////
void checkSection( const section* sec,
                   Elf_Half       index,
                   std::string    name,
                   Elf_Word       type,
                   Elf_Xword      flags,
                   Elf64_Addr     address,
                   Elf_Xword      size,
                   Elf_Word       link,
                   Elf_Word       info,
                   Elf_Xword      addrAlign,
                   Elf_Xword      entrySize )
{
    BOOST_CHECK_EQUAL( sec->get_index(), index );
    BOOST_CHECK_EQUAL( sec->get_name(), name );
    BOOST_CHECK_EQUAL( sec->get_type(), type );
    BOOST_CHECK_EQUAL( sec->get_flags(), flags );
    BOOST_CHECK_EQUAL( sec->get_address(), address );
    BOOST_CHECK_EQUAL( sec->get_size(), size );
    BOOST_CHECK_EQUAL( sec->get_link(), link );
    BOOST_CHECK_EQUAL( sec->get_info(), info );
    BOOST_CHECK_EQUAL( sec->get_addr_align(), addrAlign );
    BOOST_CHECK_EQUAL( sec->get_entry_size(), entrySize );
}

////////////////////////////////////////////////////////////////////////////////
void checkSection( const section*     sec,
                   const std::string& name,
                   Elf_Word           type,
                   Elf_Xword          flags,
                   Elf64_Addr         address,
                   Elf_Xword          size,
                   Elf_Word           link,
                   Elf_Word           info,
                   Elf_Xword          addrAlign,
                   Elf_Xword          entrySize )
{
    checkSection( sec, sec->get_index(), name, type, flags, address, size, link,
                  info, addrAlign, entrySize );
}

////////////////////////////////////////////////////////////////////////////////
void checkSegment( const segment* seg,
                   Elf_Word       type,
                   Elf64_Addr     vaddr,
                   Elf64_Addr     paddr,
                   Elf_Xword      fsize,
                   Elf_Xword      msize,
                   Elf_Word       flags,
                   Elf_Xword      align )
{
    BOOST_CHECK_EQUAL( seg->get_type(), type );
    BOOST_CHECK_EQUAL( seg->get_virtual_address(), vaddr );
    BOOST_CHECK_EQUAL( seg->get_physical_address(), paddr );
    BOOST_CHECK_EQUAL( seg->get_file_size(), fsize );
    BOOST_CHECK_EQUAL( seg->get_memory_size(), msize );
    BOOST_CHECK_EQUAL( seg->get_flags(), flags );
    BOOST_CHECK_EQUAL( seg->get_align(), align );
}

////////////////////////////////////////////////////////////////////////////////
void checkSymbol( const symbol_section_accessor& sr,
                  Elf_Xword                      index,
                  std::string                    name_,
                  Elf64_Addr                     value_,
                  Elf_Xword                      size_,
                  unsigned char                  bind_,
                  unsigned char                  type_,
                  Elf_Half                       section_,
                  unsigned char                  other_ )
{
    std::string   name;
    Elf64_Addr    value;
    Elf_Xword     size;
    unsigned char bind;
    unsigned char type;
    Elf_Half      section;
    unsigned char other;

    BOOST_REQUIRE_EQUAL(
        sr.get_symbol( index, name, value, size, bind, type, section, other ),
        true );
    BOOST_CHECK_EQUAL( name, name_ );
    BOOST_CHECK_EQUAL( value, value_ );
    BOOST_CHECK_EQUAL( size, size_ );
    BOOST_CHECK_EQUAL( bind, bind_ );
    BOOST_CHECK_EQUAL( type, type_ );
    BOOST_CHECK_EQUAL( section, section_ );
    BOOST_CHECK_EQUAL( other, other_ );
}

////////////////////////////////////////////////////////////////////////////////
void checkRelocation( const relocation_section_accessor* pRT,
                      Elf_Xword                          index,
                      Elf64_Addr                         offset_,
                      Elf64_Addr                         symbolValue_,
                      std::string                        symbolName_,
                      unsigned char                      type_,
                      Elf_Sxword                         addend_,
                      Elf_Sxword                         calcValue_ )
{
    Elf64_Addr  offset;
    Elf64_Addr  symbolValue;
    std::string symbolName;
    Elf_Word    type;
    Elf_Sxword  addend;
    Elf_Sxword  calcValue;

    BOOST_REQUIRE_EQUAL( pRT->get_entry( index, offset, symbolValue, symbolName,
                                         type, addend, calcValue ),
                         true );
    BOOST_CHECK_EQUAL( offset, offset_ );
    BOOST_CHECK_EQUAL( symbolValue, symbolValue_ );
    BOOST_CHECK_EQUAL( symbolName, symbolName_ );
    BOOST_CHECK_EQUAL( type, type_ );
    BOOST_CHECK_EQUAL( addend, addend_ );
    BOOST_CHECK_EQUAL( calcValue, calcValue_ );
}

////////////////////////////////////////////////////////////////////////////////
void checkNote( const note_section_accessor& notes,
                Elf_Word                     index,
                Elf_Word                     type_,
                std::string                  name_,
                Elf_Word                     descSize_ )
{
    Elf_Word    type;
    std::string name;
    void*       desc;
    Elf_Word    descSize;

    BOOST_REQUIRE_EQUAL( notes.get_note( index, type, name, desc, descSize ),
                         true );
    BOOST_CHECK_EQUAL( type, type_ );
    BOOST_CHECK_EQUAL( name, name_ );
    BOOST_CHECK_EQUAL( descSize, descSize_ );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( load32 )
{
    elfio reader;
    BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/hello_32" ), true );
    checkHeader( reader, ELFCLASS32, ELFDATA2LSB, EV_CURRENT, ET_EXEC, EM_386,
                 1, 0x80482b0, 0, 28, 7, 0, 0 );

    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[0];
    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[1];
    checkSection( sec, 1, ".interp", SHT_PROGBITS, SHF_ALLOC, 0x08048114, 0x13,
                  0, 0, 1, 0 );

    sec = reader.sections[9];
    checkSection( sec, 9, ".rel.plt", SHT_REL, SHF_ALLOC, 0x08048234, 0x18, 4,
                  11, 4, 8 );

    sec = reader.sections[19];
    checkSection( sec, 19, ".dynamic", SHT_DYNAMIC, SHF_WRITE | SHF_ALLOC,
                  0x080494a0, 0xc8, 5, 0, 4, 8 );

    sec = reader.sections[27];
    checkSection( sec, 27, ".strtab", SHT_STRTAB, 0, 0x0, 0x259, 0, 0, 1, 0 );

    const section* sec1 = reader.sections[".strtab"];
    BOOST_CHECK_EQUAL( sec->get_index(), sec1->get_index() );

    ////////////////////////////////////////////////////////////////////////////
    // Check segments
    segment* seg = reader.segments[0];
    checkSegment( seg, PT_PHDR, 0x08048034, 0x08048034, 0x000e0, 0x000e0,
                  PF_R + PF_X, 4 );

    seg = reader.segments[4];
    checkSegment( seg, PT_DYNAMIC, 0x080494a0, 0x080494a0, 0x000c8, 0x000c8,
                  PF_R + PF_W, 4 );

    seg = reader.segments[6];
    checkSegment( seg, 0x6474E551, 0x0, 0x0, 0x0, 0x0, PF_R + PF_W, 4 );

    ////////////////////////////////////////////////////////////////////////////
    // Check symbol table
    sec = reader.sections[".symtab"];

    symbol_section_accessor sr( reader, sec );

    BOOST_CHECK_EQUAL( sr.get_symbols_num(), 68 );
    checkSymbol( sr, 0, "", 0x00000000, 0, STB_LOCAL, STT_NOTYPE, STN_UNDEF,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 1, "", 0x08048114, 0, STB_LOCAL, STT_SECTION, 1,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 39, "hello.c", 0x00000000, 0, STB_LOCAL, STT_FILE, SHN_ABS,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 65, "__i686.get_pc_thunk.bx", 0x08048429, 0, STB_GLOBAL,
                 STT_FUNC, 12, ELF_ST_VISIBILITY( STV_HIDDEN ) );
    checkSymbol( sr, 66, "main", 0x08048384, 43, STB_GLOBAL, STT_FUNC, 12,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 67, "_init", 0x0804824c, 0, STB_GLOBAL, STT_FUNC, 10,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );

    ////////////////////////////////////////////////////////////////////////////
    // Check relocation table
    sec = reader.sections[".rel.dyn"];

    relocation_section_accessor reloc( reader, sec );
    BOOST_CHECK_EQUAL( reloc.get_entries_num(), 1 );

    checkRelocation( &reloc, 0, 0x08049568, 0x0, "__gmon_start__",
                     R_386_GLOB_DAT, 0, 0 );

    sec = reader.sections[".rel.plt"];

    relocation_section_accessor reloc1( reader, sec );
    BOOST_CHECK_EQUAL( reloc1.get_entries_num(), 3 );

    checkRelocation( &reloc1, 0, 0x08049578, 0x0, "__gmon_start__",
                     R_X86_64_JUMP_SLOT, 0, 0 );
    checkRelocation( &reloc1, 1, 0x0804957c, 0x0, "__libc_start_main",
                     R_X86_64_JUMP_SLOT, 0, 0 );
    checkRelocation( &reloc1, 2, 0x08049580, 0x0, "puts", R_X86_64_JUMP_SLOT, 0,
                     0 );

    ////////////////////////////////////////////////////////////////////////////
    // Check note reader
    sec = reader.sections[".note.ABI-tag"];

    note_section_accessor notes( reader, sec );
    BOOST_CHECK_EQUAL( notes.get_notes_num(), 1u );

    checkNote( notes, 0, 1, std::string( "GNU" ), 16 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( load64 )
{
    elfio reader;

    BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/hello_64" ), true );

    ////////////////////////////////////////////////////////////////////////////
    // Check ELF header
    checkHeader( reader, ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ET_EXEC,
                 EM_X86_64, 1, 0x4003c0, 0, 29, 8, 0, 0 );

    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[0];

    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[1];

    checkSection( sec, 1, ".interp", SHT_PROGBITS, SHF_ALLOC,
                  0x0000000000400200, 0x1c, 0, 0, 1, 0 );

    sec = reader.sections[9];

    checkSection( sec, 9, ".rela.plt", SHT_RELA, SHF_ALLOC, 0x0000000000400340,
                  0x30, 4, 11, 8, 0x18 );

    sec = reader.sections[20];

    checkSection( sec, 20, ".dynamic", SHT_DYNAMIC, SHF_WRITE | SHF_ALLOC,
                  0x0000000000600698, 0x190, 5, 0, 8, 0x10 );

    sec = reader.sections[28];

    checkSection( sec, 28, ".strtab", SHT_STRTAB, 0, 0x0, 0x23f, 0, 0, 1, 0 );

    const section* sec1 = reader.sections[".strtab"];
    BOOST_CHECK_EQUAL( sec->get_index(), sec1->get_index() );

    ////////////////////////////////////////////////////////////////////////////
    // Check segments
    segment* seg = reader.segments[0];
    checkSegment( seg, PT_PHDR, 0x0000000000400040, 0x0000000000400040,
                  0x00000000000001c0, 0x00000000000001c0, PF_R + PF_X, 8 );

    seg = reader.segments[2];
    checkSegment( seg, PT_LOAD, 0x0000000000400000, 0x0000000000400000,
                  0x000000000000066c, 0x000000000000066c, PF_R + PF_X,
                  0x200000 );

    seg = reader.segments[7];
    checkSegment( seg, 0x6474E551, 0x0, 0x0, 0x0, 0x0, PF_R + PF_W, 8 );

    ////////////////////////////////////////////////////////////////////////////
    // Check symbol table
    sec = reader.sections[".symtab"];

    symbol_section_accessor sr( reader, sec );

    BOOST_CHECK_EQUAL( sr.get_symbols_num(), 67 );
    checkSymbol( sr, 0, "", 0x00000000, 0, STB_LOCAL, STT_NOTYPE, STN_UNDEF,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 1, "", 0x00400200, 0, STB_LOCAL, STT_SECTION, 1,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 40, "hello.c", 0x00000000, 0, STB_LOCAL, STT_FILE, SHN_ABS,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 52, "__gmon_start__", 0x00000000, 0, STB_WEAK, STT_NOTYPE,
                 STN_UNDEF, ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 64, "_edata", 0x0060085c, 0, STB_GLOBAL, STT_NOTYPE,
                 SHN_ABS, ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 65, "main", 0x00400498, 21, STB_GLOBAL, STT_FUNC, 12,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 66, "_init", 0x00400370, 0, STB_GLOBAL, STT_FUNC, 10,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );

    ////////////////////////////////////////////////////////////////////////////
    // Check relocation table
    sec = reader.sections[".rela.dyn"];

    relocation_section_accessor reloc( reader, sec );
    BOOST_CHECK_EQUAL( reloc.get_entries_num(), 1 );

    checkRelocation( &reloc, 0, 0x00600828, 0x0, "__gmon_start__",
                     R_X86_64_GLOB_DAT, 0, 0 );

    sec = reader.sections[".rela.plt"];

    relocation_section_accessor reloc1( reader, sec );
    BOOST_CHECK_EQUAL( reloc1.get_entries_num(), 2 );

    checkRelocation( &reloc1, 0, 0x00600848, 0x0, "puts", R_X86_64_JUMP_SLOT, 0,
                     0 );
    checkRelocation( &reloc1, 1, 0x00600850, 0x0, "__libc_start_main",
                     R_X86_64_JUMP_SLOT, 0, 0 );

    ////////////////////////////////////////////////////////////////////////////
    // Check note reader
    sec = reader.sections[".note.ABI-tag"];

    note_section_accessor notes( reader, sec );
    BOOST_CHECK_EQUAL( notes.get_notes_num(), 1u );

    checkNote( notes, 0, 1, std::string( "GNU" ), 16 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( hello_64_o )
{
    elfio reader;

    BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/hello_64.o" ), true );

    ////////////////////////////////////////////////////////////////////////////
    // Check ELF header
    checkHeader( reader, ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ET_REL, EM_X86_64,
                 1, 0, 0, 13, 0, 0, 0 );

    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[0];

    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[1];

    checkSection( sec, 1, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR, 0x0,
                  0x15, 0, 0, 4, 0 );

    section* sec1 = reader.sections[".text"];
    BOOST_CHECK_EQUAL( sec->get_index(), sec1->get_index() );

    sec = reader.sections[12];
    checkSection( sec, 12, ".strtab", SHT_STRTAB, 0, 0x0, 0x13, 0, 0, 1, 0 );

    sec1 = reader.sections[".strtab"];
    BOOST_CHECK_EQUAL( sec->get_index(), sec1->get_index() );

    ////////////////////////////////////////////////////////////////////////////
    // Check symbol table
    sec = reader.sections[".symtab"];

    symbol_section_accessor sr( reader, sec );

    BOOST_CHECK_EQUAL( sr.get_symbols_num(), 11 );
    checkSymbol( sr, 9, "main", 0x00000000, 21, STB_GLOBAL, STT_FUNC, 1,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );

    ////////////////////////////////////////////////////////////////////////////
    // Check relocation table
    sec = reader.sections[".rela.text"];

    relocation_section_accessor reloc( reader, sec );
    BOOST_CHECK_EQUAL( reloc.get_entries_num(), 2 );

    checkRelocation( &reloc, 0, 0x00000005, 0x0, "", R_X86_64_32, 0, 0 );
    checkRelocation( &reloc, 1, 0x0000000A, 0x0, "puts", R_X86_64_PC32,
                     0xfffffffffffffffcULL, -14 );

    sec = reader.sections[".rela.eh_frame"];

    relocation_section_accessor reloc1( reader, sec );
    BOOST_CHECK_EQUAL( reloc1.get_entries_num(), 1 );

    checkRelocation( &reloc1, 0, 0x00000020, 0x0, "", R_X86_64_32, 0, 0 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( hello_32_o )
{
    elfio reader;

    BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/hello_32.o" ), true );

    ////////////////////////////////////////////////////////////////////////////
    // Check ELF header
    checkHeader( reader, ELFCLASS32, ELFDATA2LSB, EV_CURRENT, ET_REL, EM_386, 1,
                 0, 0, 11, 0, 0, 0 );

    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[0];

    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[1];

    checkSection( sec, 1, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR, 0x0,
                  0x2b, 0, 0, 4, 0 );

    section* sec1 = reader.sections[".text"];
    BOOST_CHECK_EQUAL( sec->get_index(), sec1->get_index() );

    sec = reader.sections[10];

    checkSection( sec, 10, ".strtab", SHT_STRTAB, 0, 0x0, 0x13, 0, 0, 1, 0 );

    sec1 = reader.sections[".strtab"];
    BOOST_CHECK_EQUAL( sec->get_index(), sec1->get_index() );

    ////////////////////////////////////////////////////////////////////////////
    // Check symbol table
    sec = reader.sections[".symtab"];

    symbol_section_accessor sr( reader, sec );

    BOOST_CHECK_EQUAL( sr.get_symbols_num(), 10 );
    checkSymbol( sr, 8, "main", 0x00000000, 43, STB_GLOBAL, STT_FUNC, 1,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );

    ////////////////////////////////////////////////////////////////////////////
    // Check relocation table
    sec = reader.sections[".rel.text"];

    relocation_section_accessor reloc( reader, sec );
    BOOST_CHECK_EQUAL( reloc.get_entries_num(), 2 );

    checkRelocation( &reloc, 0, 0x00000014, 0x0, "", R_386_32, 0, 0 );
    checkRelocation( &reloc, 1, 0x00000019, 0x0, "puts", R_386_PC32, 0x0, -25 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( test_ppc_o )
{
    elfio reader;

    BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/test_ppc.o" ), true );

    ////////////////////////////////////////////////////////////////////////////
    // Check ELF header
    checkHeader( reader, ELFCLASS32, ELFDATA2MSB, EV_CURRENT, ET_REL, EM_PPC, 1,
                 0, 0, 16, 0, 0, 0 );

    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[0];

    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[1];

    checkSection( sec, 1, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR, 0x0,
                  0x118, 0, 0, 4, 0 );

    section* sec1 = reader.sections[".text"];
    BOOST_CHECK_EQUAL( sec->get_index(), sec1->get_index() );

    sec = reader.sections[15];

    checkSection( sec, 15, ".strtab", SHT_STRTAB, 0, 0x0, 0x14f, 0, 0, 1, 0 );

    sec1 = reader.sections[".strtab"];
    BOOST_CHECK_EQUAL( sec->get_index(), sec1->get_index() );

    ////////////////////////////////////////////////////////////////////////////
    // Check symbol table
    sec = reader.sections[".symtab"];

    symbol_section_accessor sr( reader, sec );

    BOOST_CHECK_EQUAL( sr.get_symbols_num(), 24 );
    checkSymbol( sr, 14, "main", 0x00000000, 92, STB_GLOBAL, STT_FUNC, 1,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 8, "_GLOBAL__I_main", 0x000000DC, 60, STB_LOCAL, STT_FUNC,
                 1, ELF_ST_VISIBILITY( STV_DEFAULT ) );

    ////////////////////////////////////////////////////////////////////////////
    // Check relocation table
    sec = reader.sections[".rela.text"];

    relocation_section_accessor reloc( reader, sec );
    BOOST_CHECK_EQUAL( reloc.get_entries_num(), 18 );

    checkRelocation( &reloc, 0, 0x00000016, 0x0, "_ZSt4cout", 6, 0, 0 );
    checkRelocation( &reloc, 1, 0x0000001a, 0x0, "_ZSt4cout", 4, 0x0, 0 );
    checkRelocation( &reloc, 17, 0x000000c0, 0x0, "__cxa_atexit", 10, 0x0, 0 );

    sec = reader.sections[".rela.ctors"];

    relocation_section_accessor reloc1( reader, sec );
    BOOST_CHECK_EQUAL( reloc1.get_entries_num(), 1 );

    checkRelocation( &reloc1, 0, 0x00000000, 0x0, "", 1, 0xDC, 0xDC );

    sec = reader.sections[".rela.eh_frame"];

    relocation_section_accessor reloc2( reader, sec );
    BOOST_CHECK_EQUAL( reloc2.get_entries_num(), 3 );

    checkRelocation( &reloc2, 1, 0x00000020, 0x0, "", 1, 0x0, 0x0 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( test_ppc )
{
    elfio reader;

    BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/test_ppc" ), true );

    ////////////////////////////////////////////////////////////////////////////
    // Check ELF header
    checkHeader( reader, ELFCLASS32, ELFDATA2MSB, EV_CURRENT, ET_EXEC, EM_PPC,
                 1, 0x10000550, 0, 31, 8, 0, 0 );

    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[0];

    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[1];

    checkSection( sec, 1, ".interp", SHT_PROGBITS, SHF_ALLOC,
                  0x0000000010000134, 0xd, 0, 0, 1, 0 );

    sec = reader.sections[9];

    checkSection( sec, 9, ".rela.plt", SHT_RELA, SHF_ALLOC, 0x00000000010000494,
                  0x6c, 4, 22, 4, 0xc );

    sec = reader.sections[20];

    checkSection( sec, 20, ".dynamic", SHT_DYNAMIC, SHF_WRITE | SHF_ALLOC,
                  0x0000000010010aec, 0xe8, 5, 0, 4, 0x8 );

    sec = reader.sections[28];

    checkSection( sec, 28, ".shstrtab", SHT_STRTAB, 0, 0x0, 0x101, 0, 0, 1, 0 );

    const section* sec1 = reader.sections[".shstrtab"];
    BOOST_CHECK_EQUAL( sec->get_index(), sec1->get_index() );

    ////////////////////////////////////////////////////////////////////////////
    // Check segments
    segment* seg = reader.segments[0];
    checkSegment( seg, PT_PHDR, 0x10000034, 0x10000034, 0x00100, 0x00100,
                  PF_R + PF_X, 4 );

    seg = reader.segments[2];
    checkSegment( seg, PT_LOAD, 0x10000000, 0x10000000, 0x00acc, 0x00acc,
                  PF_R + PF_X, 0x10000 );

    seg = reader.segments[7];
    checkSegment( seg, 0x6474E551, 0x0, 0x0, 0x0, 0x0, PF_R + PF_W, 0x4 );

    ////////////////////////////////////////////////////////////////////////////
    // Check symbol table
    sec = reader.sections[".symtab"];

    symbol_section_accessor sr( reader, sec );

    BOOST_CHECK_EQUAL( sr.get_symbols_num(), 80 );
    checkSymbol( sr, 0, "", 0x00000000, 0, STB_LOCAL, STT_NOTYPE, STN_UNDEF,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 1, "", 0x10000134, 0, STB_LOCAL, STT_SECTION, 1,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 40, "__CTOR_END__", 0x10010AD4, 0, STB_LOCAL, STT_OBJECT,
                 16, ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 52, "__init_array_start", 0x10010acc, 0, STB_LOCAL,
                 STT_NOTYPE, 16, ELF_ST_VISIBILITY( STV_HIDDEN ) );
    checkSymbol( sr, 64, "_ZNSt8ios_base4InitD1Ev@@GLIBCXX_3.4", 0x10000920,
                 204, STB_GLOBAL, STT_FUNC, SHN_UNDEF,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 78, "main", 0x1000069c, 92, STB_GLOBAL, STT_FUNC, 11,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );
    checkSymbol( sr, 79, "_init", 0x10000500, 0, STB_GLOBAL, STT_FUNC, 10,
                 ELF_ST_VISIBILITY( STV_DEFAULT ) );

    ////////////////////////////////////////////////////////////////////////////
    // Check relocation table
    sec = reader.sections[".rela.dyn"];

    relocation_section_accessor reloc( reader, sec );
    BOOST_CHECK_EQUAL( reloc.get_entries_num(), 2 );

    checkRelocation( &reloc, 1, 0x10010c0c, 0x10010c0c, "_ZSt4cout", 19, 0, 0 );

    sec = reader.sections[".rela.plt"];

    relocation_section_accessor reloc1( reader, sec );
    BOOST_CHECK_EQUAL( reloc1.get_entries_num(), 9 );

    checkRelocation( &reloc1, 0, 0x10010be4, 0x100008e0, "__cxa_atexit", 21, 0,
                     0 );
    checkRelocation( &reloc1, 1, 0x10010be8, 0x0, "__gmon_start__", 21, 0, 0 );

    ////////////////////////////////////////////////////////////////////////////
    // Check note reader
    sec = reader.sections[".note.ABI-tag"];

    note_section_accessor notes( reader, sec );
    BOOST_CHECK_EQUAL( notes.get_notes_num(), 1u );

    checkNote( notes, 0, 1, std::string( "GNU" ), 16 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( test_dummy_out_i386_32 )
{
    elfio writer;

    writer.create( ELFCLASS32, ELFDATA2LSB );

    writer.set_os_abi( 0 );
    writer.set_abi_version( 0 );
    writer.set_type( ET_REL );
    writer.set_machine( EM_386 );
    writer.set_flags( 0 );

    // Set program entry point
    writer.set_entry( 0x80482b0 );

    // Add Note section
    section* note_sec = writer.sections.add( ".note" );
    note_sec->set_type( SHT_NOTE );
    note_sec->set_flags( SHF_ALLOC );
    note_sec->set_addr_align( 4 );
    note_section_accessor note_writer( writer, note_sec );
    char                  descr[6] = { 0x11, 0x12, 0x13, 0x14, 0x15, 0x16 };
    note_writer.add_note( 0x77, "Hello", &descr, 6 );
    BOOST_CHECK_EQUAL( note_sec->get_index(), 2 );

    // Create ELF file
    writer.save( "elf_examples/elf_dummy_header_i386_32.elf" );

    elfio reader;
    BOOST_REQUIRE_EQUAL(
        reader.load( "elf_examples/elf_dummy_header_i386_32.elf" ), true );

    ////////////////////////////////////////////////////////////////////////////
    // Check ELF header
    checkHeader( reader, ELFCLASS32, ELFDATA2LSB, EV_CURRENT, ET_REL, EM_386,
                 EV_CURRENT, 0x80482b0, 0, 3, 0, 0, 0 );
    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[""];

    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[".shstrtab"];

    checkSection( sec, 1, ".shstrtab", SHT_STRTAB, 0, 0, 17, 0, 0, 1, 0 );

    sec = reader.sections[".note"];

    BOOST_CHECK_EQUAL( sec->get_index(), 2 );
    checkSection( sec, 2, ".note", SHT_NOTE, SHF_ALLOC, 0, 28, 0, 0, 4, 0 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( test_dummy_out_ppc_32 )
{
    elfio writer;

    writer.create( ELFCLASS32, ELFDATA2MSB );

    writer.set_os_abi( 0 );
    writer.set_abi_version( 0 );
    writer.set_type( ET_REL );
    writer.set_machine( EM_PPC );
    writer.set_flags( 0 );

    // Set program entry point
    writer.set_entry( 0x80482b0 );

    // Add Note section
    section* note_sec = writer.sections.add( ".note" );
    note_sec->set_type( SHT_NOTE );
    note_sec->set_flags( SHF_ALLOC );
    note_sec->set_addr_align( 4 );
    note_section_accessor note_writer( writer, note_sec );
    char                  descr[6] = { 0x11, 0x12, 0x13, 0x14, 0x15, 0x16 };
    note_writer.add_note( 0x77, "Hello", &descr, 6 );
    BOOST_CHECK_EQUAL( note_sec->get_index(), 2 );

    // Create ELF file
    writer.save( "elf_examples/elf_dummy_header_ppc_32.elf" );

    elfio reader;
    BOOST_REQUIRE_EQUAL(
        reader.load( "elf_examples/elf_dummy_header_ppc_32.elf" ), true );

    ////////////////////////////////////////////////////////////////////////////
    // Check ELF header
    checkHeader( reader, ELFCLASS32, ELFDATA2MSB, EV_CURRENT, ET_REL, EM_PPC,
                 EV_CURRENT, 0x80482b0, 0, 3, 0, 0, 0 );
    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[""];

    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[".note"];

    BOOST_CHECK_EQUAL( sec->get_index(), 2 );
    checkSection( sec, 2, ".note", SHT_NOTE, SHF_ALLOC, 0, 28, 0, 0, 4, 0 );

    sec = reader.sections[".shstrtab"];

    checkSection( sec, 1, ".shstrtab", SHT_STRTAB, 0, 0, 17, 0, 0, 1, 0 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( test_dummy_out_i386_64 )
{
    elfio writer;

    writer.create( ELFCLASS64, ELFDATA2LSB );

    writer.set_os_abi( 0 );
    writer.set_abi_version( 0 );
    writer.set_type( ET_REL );
    writer.set_machine( EM_X86_64 );
    writer.set_flags( 0 );

    // Set program entry point
    writer.set_entry( 0x120380482b0ull );

    // Add Note section
    section* note_sec = writer.sections.add( ".note" );
    note_sec->set_type( SHT_NOTE );
    note_sec->set_flags( SHF_ALLOC );
    note_sec->set_addr_align( 4 );
    note_section_accessor note_writer( writer, note_sec );
    char                  descr[6] = { 0x11, 0x12, 0x13, 0x14, 0x15, 0x16 };
    note_writer.add_note( 0x77, "Hello", &descr, 6 );
    BOOST_CHECK_EQUAL( note_sec->get_index(), 2 );

    // Create ELF file
    writer.save( "elf_examples/elf_dummy_header_i386_64.elf" );

    elfio reader;
    BOOST_REQUIRE_EQUAL(
        reader.load( "elf_examples/elf_dummy_header_i386_64.elf" ), true );

    ////////////////////////////////////////////////////////////////////////////
    // Check ELF header
    checkHeader( reader, ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ET_REL, EM_X86_64,
                 EV_CURRENT, 0x120380482b0ull, 0, 3, 0, 0, 0 );
    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[""];

    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[".note"];

    BOOST_CHECK_EQUAL( sec->get_index(), 2 );
    checkSection( sec, 2, ".note", SHT_NOTE, SHF_ALLOC, 0, 28, 0, 0, 4, 0 );

    sec = reader.sections[".shstrtab"];

    checkSection( sec, 1, ".shstrtab", SHT_STRTAB, 0, 0, 17, 0, 0, 1, 0 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( test_dummy_out_ppc_64 )
{
    elfio writer;

    writer.create( ELFCLASS64, ELFDATA2MSB );

    writer.set_os_abi( 0 );
    writer.set_abi_version( 0 );
    writer.set_type( ET_REL );
    writer.set_machine( EM_PPC64 );
    writer.set_flags( 0 );

    // Set program entry point
    writer.set_entry( 0x120380482b0ull );

    // Add Note section
    section* note_sec = writer.sections.add( ".note" );
    note_sec->set_type( SHT_NOTE );
    note_sec->set_flags( SHF_ALLOC );
    note_sec->set_addr_align( 4 );
    note_section_accessor note_writer( writer, note_sec );
    char                  descr[6] = { 0x11, 0x12, 0x13, 0x14, 0x15, 0x16 };
    note_writer.add_note( 0x77, "Hello", &descr, 6 );
    BOOST_CHECK_EQUAL( note_sec->get_index(), 2 );

    // Create ELF file
    writer.save( "elf_examples/elf_dummy_header_ppc_64.elf" );

    elfio reader;
    BOOST_REQUIRE_EQUAL(
        reader.load( "elf_examples/elf_dummy_header_ppc_64.elf" ), true );

    ////////////////////////////////////////////////////////////////////////////
    // Check ELF header
    checkHeader( reader, ELFCLASS64, ELFDATA2MSB, EV_CURRENT, ET_REL, EM_PPC64,
                 EV_CURRENT, 0x120380482b0ull, 0, 3, 0, 0, 0 );
    ////////////////////////////////////////////////////////////////////////////
    // Check sections
    section* sec = reader.sections[""];

    checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );

    sec = reader.sections[".shstrtab"];

    checkSection( sec, 1, ".shstrtab", SHT_STRTAB, 0, 0, 17, 0, 0, 1, 0 );

    sec = reader.sections[".note"];

    BOOST_CHECK_EQUAL( sec->get_index(), 2 );
    checkSection( sec, 2, ".note", SHT_NOTE, SHF_ALLOC, 0, 28, 0, 0, 4, 0 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( test_dynamic_64_1 )
{
    elfio reader;

    BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/main" ), true );

    section* dynsec = reader.sections[".dynamic"];
    BOOST_REQUIRE( dynsec != NULL );

    dynamic_section_accessor da( reader, dynsec );

    BOOST_CHECK_EQUAL( da.get_entries_num(), 21 );

    Elf_Xword   tag;
    Elf_Xword   value;
    std::string str;
    da.get_entry( 0, tag, value, str );
    BOOST_CHECK_EQUAL( tag, DT_NEEDED );
    BOOST_CHECK_EQUAL( str, "libfunc.so" );
    da.get_entry( 1, tag, value, str );
    BOOST_CHECK_EQUAL( tag, DT_NEEDED );
    BOOST_CHECK_EQUAL( str, "libc.so.6" );
    da.get_entry( 2, tag, value, str );
    BOOST_CHECK_EQUAL( tag, DT_INIT );
    BOOST_CHECK_EQUAL( value, 0x400530 );
    da.get_entry( 19, tag, value, str );
    BOOST_CHECK_EQUAL( tag, 0x6ffffff0 );
    BOOST_CHECK_EQUAL( value, 0x40047e );
    da.get_entry( 20, tag, value, str );
    BOOST_CHECK_EQUAL( tag, DT_NULL );
    BOOST_CHECK_EQUAL( value, 0 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( test_dynamic_64_2 )
{
    elfio reader;

    BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/libfunc.so" ), true );

    section* dynsec = reader.sections[".dynamic"];
    BOOST_REQUIRE( dynsec != NULL );

    dynamic_section_accessor da( reader, dynsec );

    BOOST_CHECK_EQUAL( da.get_entries_num(), 20 );

    Elf_Xword   tag;
    Elf_Xword   value;
    std::string str;
    da.get_entry( 0, tag, value, str );
    BOOST_CHECK_EQUAL( tag, DT_NEEDED );
    BOOST_CHECK_EQUAL( str, "libc.so.6" );
    da.get_entry( 1, tag, value, str );
    BOOST_CHECK_EQUAL( tag, DT_INIT );
    BOOST_CHECK_EQUAL( value, 0x480 );
    da.get_entry( 18, tag, value, str );
    BOOST_CHECK_EQUAL( tag, 0x6ffffff9 );
    BOOST_CHECK_EQUAL( value, 1 );
    da.get_entry( 19, tag, value, str );
    BOOST_CHECK_EQUAL( tag, DT_NULL );
    BOOST_CHECK_EQUAL( value, 0 );
}

////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( test_dynamic_64_3 )
{
    elfio reader;

    BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/main" ), true );

    section* dynsec = reader.sections[".dynamic"];
    BOOST_REQUIRE( dynsec != NULL );

    dynamic_section_accessor da( reader, dynsec );
    BOOST_CHECK_EQUAL( da.get_entries_num(), 21 );

    section* strsec1 = reader.sections.add( ".dynstr" );
    strsec1->set_type( SHT_STRTAB );
    strsec1->set_entry_size( reader.get_default_entry_size( SHT_STRTAB ) );

    section* dynsec1 = reader.sections.add( ".dynamic1" );
    dynsec1->set_type( SHT_DYNAMIC );
    dynsec1->set_entry_size( reader.get_default_entry_size( SHT_DYNAMIC ) );
    dynsec1->set_link( strsec1->get_index() );
    dynamic_section_accessor da1( reader, dynsec1 );

    Elf_Xword   tag, tag1;
    Elf_Xword   value, value1;
    std::string str, str1;

    for ( unsigned int i = 0; i < da.get_entries_num(); ++i ) {
        da.get_entry( i, tag, value, str );
        if ( tag == DT_NEEDED || tag == DT_SONAME || tag == DT_RPATH ||
             tag == DT_RUNPATH ) {
            da1.add_entry( tag, str );
        }
        else {
            da1.add_entry( tag, value );
        }
    }

    for ( unsigned int i = 0; i < da.get_entries_num(); ++i ) {
        da.get_entry( i, tag, value, str );
        da1.get_entry( i, tag1, value1, str1 );

        BOOST_CHECK_EQUAL( tag, tag1 );
        if ( tag == DT_NEEDED || tag == DT_SONAME || tag == DT_RPATH ||
             tag == DT_RUNPATH ) {
            BOOST_CHECK_EQUAL( str, str1 );
        }
        else {
            BOOST_CHECK_EQUAL( value, value1 );
        }
    }
}
