ELFIO/tests/ELFIOTest.cpp
2022-05-21 22:55:03 +03:00

1020 lines
36 KiB
C++

/*
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
#include <gtest/gtest.h>
#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 )
{
EXPECT_EQ( reader.get_class(), nClass );
EXPECT_EQ( reader.get_encoding(), encoding );
EXPECT_EQ( reader.get_elf_version(), elfVersion );
EXPECT_EQ( reader.get_os_abi(), OSABI );
EXPECT_EQ( reader.get_abi_version(), ABIVersion );
EXPECT_EQ( reader.get_type(), type );
EXPECT_EQ( reader.get_machine(), machine );
EXPECT_EQ( reader.get_version(), version );
EXPECT_EQ( reader.get_entry(), entry );
EXPECT_EQ( reader.get_flags(), flags );
EXPECT_EQ( reader.sections.size(), secNum );
EXPECT_EQ( 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 )
{
EXPECT_EQ( sec->get_index(), index );
EXPECT_EQ( sec->get_name(), name );
EXPECT_EQ( sec->get_type(), type );
EXPECT_EQ( sec->get_flags(), flags );
EXPECT_EQ( sec->get_address(), address );
EXPECT_EQ( sec->get_size(), size );
EXPECT_EQ( sec->get_link(), link );
EXPECT_EQ( sec->get_info(), info );
EXPECT_EQ( sec->get_addr_align(), addrAlign );
EXPECT_EQ( 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 )
{
EXPECT_EQ( seg->get_type(), type );
EXPECT_EQ( seg->get_virtual_address(), vaddr );
EXPECT_EQ( seg->get_physical_address(), paddr );
EXPECT_EQ( seg->get_file_size(), fsize );
EXPECT_EQ( seg->get_memory_size(), msize );
EXPECT_EQ( seg->get_flags(), flags );
EXPECT_EQ( 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;
ASSERT_EQ(
sr.get_symbol( index, name, value, size, bind, type, section, other ),
true );
EXPECT_EQ( name, name_ );
EXPECT_EQ( value, value_ );
EXPECT_EQ( size, size_ );
EXPECT_EQ( bind, bind_ );
EXPECT_EQ( type, type_ );
EXPECT_EQ( section, section_ );
EXPECT_EQ( 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;
unsigned type;
Elf_Sxword addend;
Elf_Sxword calcValue;
ASSERT_EQ( pRT->get_entry( index, offset, symbolValue, symbolName, type,
addend, calcValue ),
true );
EXPECT_EQ( offset, offset_ );
EXPECT_EQ( symbolValue, symbolValue_ );
EXPECT_EQ( symbolName, symbolName_ );
EXPECT_EQ( type, type_ );
EXPECT_EQ( addend, addend_ );
EXPECT_EQ( 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;
ASSERT_EQ( notes.get_note( index, type, name, desc, descSize ), true );
EXPECT_EQ( type, type_ );
EXPECT_EQ( name, name_ );
EXPECT_EQ( descSize, descSize_ );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, load32 )
{
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( notes.get_notes_num(), 1u );
checkNote( notes, 0, 1, std::string( "GNU" ), 16 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, load64 )
{
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( notes.get_notes_num(), 1u );
checkNote( notes, 0, 1, std::string( "GNU" ), 16 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, hello_64_o )
{
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( 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"];
EXPECT_EQ( sec->get_index(), sec1->get_index() );
////////////////////////////////////////////////////////////////////////////
// Check symbol table
sec = reader.sections[".symtab"];
symbol_section_accessor sr( reader, sec );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( reloc1.get_entries_num(), 1 );
checkRelocation( &reloc1, 0, 0x00000020, 0x0, "", R_X86_64_32, 0, 0 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, hello_32_o )
{
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( 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"];
EXPECT_EQ( sec->get_index(), sec1->get_index() );
////////////////////////////////////////////////////////////////////////////
// Check symbol table
sec = reader.sections[".symtab"];
symbol_section_accessor sr( reader, sec );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, test_ppc_o )
{
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( 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"];
EXPECT_EQ( sec->get_index(), sec1->get_index() );
////////////////////////////////////////////////////////////////////////////
// Check symbol table
sec = reader.sections[".symtab"];
symbol_section_accessor sr( reader, sec );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( reloc2.get_entries_num(), 3 );
checkRelocation( &reloc2, 1, 0x00000020, 0x0, "", 1, 0x0, 0x0 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, test_ppc )
{
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( 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 );
EXPECT_EQ( notes.get_notes_num(), 1u );
checkNote( notes, 0, 1, std::string( "GNU" ), 16 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, 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 );
EXPECT_EQ( note_sec->get_index(), 2 );
// Create ELF file
writer.save( "elf_examples/elf_dummy_header_i386_32.elf" );
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( sec->get_index(), 2 );
checkSection( sec, 2, ".note", SHT_NOTE, SHF_ALLOC, 0, 28, 0, 0, 4, 0 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, 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 );
EXPECT_EQ( note_sec->get_index(), 2 );
// Create ELF file
writer.save( "elf_examples/elf_dummy_header_ppc_32.elf" );
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( 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 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, 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 );
EXPECT_EQ( note_sec->get_index(), 2 );
// Create ELF file
writer.save( "elf_examples/elf_dummy_header_i386_64.elf" );
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( 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 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, 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 );
EXPECT_EQ( note_sec->get_index(), 2 );
// Create ELF file
writer.save( "elf_examples/elf_dummy_header_ppc_64.elf" );
elfio reader;
ASSERT_EQ( 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"];
EXPECT_EQ( sec->get_index(), 2 );
checkSection( sec, 2, ".note", SHT_NOTE, SHF_ALLOC, 0, 28, 0, 0, 4, 0 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, test_dynamic_64_1 )
{
elfio reader;
ASSERT_EQ( reader.load( "elf_examples/main" ), true );
section* dynsec = reader.sections[".dynamic"];
ASSERT_TRUE( dynsec != NULL );
dynamic_section_accessor da( reader, dynsec );
EXPECT_EQ( da.get_entries_num(), 21 );
Elf_Xword tag;
Elf_Xword value;
std::string str;
da.get_entry( 0, tag, value, str );
EXPECT_EQ( tag, DT_NEEDED );
EXPECT_EQ( str, "libfunc.so" );
da.get_entry( 1, tag, value, str );
EXPECT_EQ( tag, DT_NEEDED );
EXPECT_EQ( str, "libc.so.6" );
da.get_entry( 2, tag, value, str );
EXPECT_EQ( tag, DT_INIT );
EXPECT_EQ( value, 0x400530 );
da.get_entry( 19, tag, value, str );
EXPECT_EQ( tag, 0x6ffffff0 );
EXPECT_EQ( value, 0x40047e );
da.get_entry( 20, tag, value, str );
EXPECT_EQ( tag, DT_NULL );
EXPECT_EQ( value, 0 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, test_dynamic_64_2 )
{
elfio reader;
ASSERT_EQ( reader.load( "elf_examples/libfunc.so" ), true );
section* dynsec = reader.sections[".dynamic"];
ASSERT_TRUE( dynsec != NULL );
dynamic_section_accessor da( reader, dynsec );
EXPECT_EQ( da.get_entries_num(), 20 );
Elf_Xword tag;
Elf_Xword value;
std::string str;
da.get_entry( 0, tag, value, str );
EXPECT_EQ( tag, DT_NEEDED );
EXPECT_EQ( str, "libc.so.6" );
da.get_entry( 1, tag, value, str );
EXPECT_EQ( tag, DT_INIT );
EXPECT_EQ( value, 0x480 );
da.get_entry( 18, tag, value, str );
EXPECT_EQ( tag, 0x6ffffff9 );
EXPECT_EQ( value, 1 );
da.get_entry( 19, tag, value, str );
EXPECT_EQ( tag, DT_NULL );
EXPECT_EQ( value, 0 );
}
////////////////////////////////////////////////////////////////////////////////
TEST( ELFIOTest, test_dynamic_64_3 )
{
elfio reader;
ASSERT_EQ( reader.load( "elf_examples/main" ), true );
section* dynsec = reader.sections[".dynamic"];
ASSERT_TRUE( dynsec != NULL );
dynamic_section_accessor da( reader, dynsec );
EXPECT_EQ( 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 );
EXPECT_EQ( tag, tag1 );
if ( tag == DT_NEEDED || tag == DT_SONAME || tag == DT_RPATH ||
tag == DT_RUNPATH ) {
EXPECT_EQ( str, str1 );
}
else {
EXPECT_EQ( value, value1 );
}
}
}