mirror of
https://github.com/serge1/ELFIO.git
synced 2024-09-15 15:13:06 +00:00
1020 lines
36 KiB
C++
1020 lines
36 KiB
C++
/*
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Copyright (C) 2001-present by Serge Lamikhov-Center
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifdef _MSC_VER
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#define _SCL_SECURE_NO_WARNINGS
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#endif
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#include <gtest/gtest.h>
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#include <elfio/elfio.hpp>
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using namespace ELFIO;
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////////////////////////////////////////////////////////////////////////////////
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void checkHeader( elfio& reader,
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unsigned char nClass,
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unsigned char encoding,
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unsigned char elfVersion,
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Elf_Half type,
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Elf_Half machine,
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Elf_Word version,
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Elf64_Addr entry,
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Elf_Word flags,
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Elf_Half secNum,
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Elf_Half segNum,
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unsigned char OSABI,
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unsigned char ABIVersion )
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{
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EXPECT_EQ( reader.get_class(), nClass );
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EXPECT_EQ( reader.get_encoding(), encoding );
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EXPECT_EQ( reader.get_elf_version(), elfVersion );
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EXPECT_EQ( reader.get_os_abi(), OSABI );
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EXPECT_EQ( reader.get_abi_version(), ABIVersion );
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EXPECT_EQ( reader.get_type(), type );
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EXPECT_EQ( reader.get_machine(), machine );
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EXPECT_EQ( reader.get_version(), version );
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EXPECT_EQ( reader.get_entry(), entry );
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EXPECT_EQ( reader.get_flags(), flags );
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EXPECT_EQ( reader.sections.size(), secNum );
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EXPECT_EQ( reader.segments.size(), segNum );
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}
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////////////////////////////////////////////////////////////////////////////////
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void checkSection( const section* sec,
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Elf_Half index,
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std::string name,
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Elf_Word type,
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Elf_Xword flags,
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Elf64_Addr address,
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Elf_Xword size,
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Elf_Word link,
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Elf_Word info,
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Elf_Xword addrAlign,
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Elf_Xword entrySize )
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{
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EXPECT_EQ( sec->get_index(), index );
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EXPECT_EQ( sec->get_name(), name );
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EXPECT_EQ( sec->get_type(), type );
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EXPECT_EQ( sec->get_flags(), flags );
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EXPECT_EQ( sec->get_address(), address );
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EXPECT_EQ( sec->get_size(), size );
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EXPECT_EQ( sec->get_link(), link );
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EXPECT_EQ( sec->get_info(), info );
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EXPECT_EQ( sec->get_addr_align(), addrAlign );
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EXPECT_EQ( sec->get_entry_size(), entrySize );
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}
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////////////////////////////////////////////////////////////////////////////////
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void checkSection( const section* sec,
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const std::string& name,
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Elf_Word type,
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Elf_Xword flags,
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Elf64_Addr address,
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Elf_Xword size,
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Elf_Word link,
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Elf_Word info,
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Elf_Xword addrAlign,
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Elf_Xword entrySize )
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{
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checkSection( sec, sec->get_index(), name, type, flags, address, size, link,
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info, addrAlign, entrySize );
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}
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////////////////////////////////////////////////////////////////////////////////
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void checkSegment( const segment* seg,
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Elf_Word type,
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Elf64_Addr vaddr,
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Elf64_Addr paddr,
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Elf_Xword fsize,
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Elf_Xword msize,
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Elf_Word flags,
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Elf_Xword align )
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{
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EXPECT_EQ( seg->get_type(), type );
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EXPECT_EQ( seg->get_virtual_address(), vaddr );
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EXPECT_EQ( seg->get_physical_address(), paddr );
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EXPECT_EQ( seg->get_file_size(), fsize );
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EXPECT_EQ( seg->get_memory_size(), msize );
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EXPECT_EQ( seg->get_flags(), flags );
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EXPECT_EQ( seg->get_align(), align );
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}
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////////////////////////////////////////////////////////////////////////////////
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void checkSymbol( const symbol_section_accessor& sr,
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Elf_Xword index,
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std::string name_,
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Elf64_Addr value_,
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Elf_Xword size_,
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unsigned char bind_,
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unsigned char type_,
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Elf_Half section_,
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unsigned char other_ )
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{
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std::string name;
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Elf64_Addr value;
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Elf_Xword size;
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unsigned char bind;
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unsigned char type;
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Elf_Half section;
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unsigned char other;
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ASSERT_EQ(
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sr.get_symbol( index, name, value, size, bind, type, section, other ),
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true );
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EXPECT_EQ( name, name_ );
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EXPECT_EQ( value, value_ );
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EXPECT_EQ( size, size_ );
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EXPECT_EQ( bind, bind_ );
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EXPECT_EQ( type, type_ );
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EXPECT_EQ( section, section_ );
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EXPECT_EQ( other, other_ );
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}
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////////////////////////////////////////////////////////////////////////////////
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void checkRelocation( const relocation_section_accessor* pRT,
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Elf_Xword index,
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Elf64_Addr offset_,
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Elf64_Addr symbolValue_,
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std::string symbolName_,
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unsigned char type_,
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Elf_Sxword addend_,
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Elf_Sxword calcValue_ )
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{
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Elf64_Addr offset;
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Elf64_Addr symbolValue;
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std::string symbolName;
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unsigned type;
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Elf_Sxword addend;
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Elf_Sxword calcValue;
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ASSERT_EQ( pRT->get_entry( index, offset, symbolValue, symbolName, type,
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addend, calcValue ),
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true );
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EXPECT_EQ( offset, offset_ );
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EXPECT_EQ( symbolValue, symbolValue_ );
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EXPECT_EQ( symbolName, symbolName_ );
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EXPECT_EQ( type, type_ );
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EXPECT_EQ( addend, addend_ );
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EXPECT_EQ( calcValue, calcValue_ );
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}
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////////////////////////////////////////////////////////////////////////////////
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void checkNote( const note_section_accessor& notes,
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Elf_Word index,
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Elf_Word type_,
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std::string name_,
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Elf_Word descSize_ )
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{
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Elf_Word type;
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std::string name;
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void* desc;
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Elf_Word descSize;
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ASSERT_EQ( notes.get_note( index, type, name, desc, descSize ), true );
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EXPECT_EQ( type, type_ );
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EXPECT_EQ( name, name_ );
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EXPECT_EQ( descSize, descSize_ );
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, load32 )
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{
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elfio reader;
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ASSERT_EQ( reader.load( "elf_examples/hello_32" ), true );
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checkHeader( reader, ELFCLASS32, ELFDATA2LSB, EV_CURRENT, ET_EXEC, EM_386,
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1, 0x80482b0, 0, 28, 7, 0, 0 );
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////////////////////////////////////////////////////////////////////////////
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// Check sections
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section* sec = reader.sections[0];
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checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );
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sec = reader.sections[1];
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checkSection( sec, 1, ".interp", SHT_PROGBITS, SHF_ALLOC, 0x08048114, 0x13,
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0, 0, 1, 0 );
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sec = reader.sections[9];
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checkSection( sec, 9, ".rel.plt", SHT_REL, SHF_ALLOC, 0x08048234, 0x18, 4,
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11, 4, 8 );
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sec = reader.sections[19];
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checkSection( sec, 19, ".dynamic", SHT_DYNAMIC, SHF_WRITE | SHF_ALLOC,
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0x080494a0, 0xc8, 5, 0, 4, 8 );
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sec = reader.sections[27];
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checkSection( sec, 27, ".strtab", SHT_STRTAB, 0, 0x0, 0x259, 0, 0, 1, 0 );
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const section* sec1 = reader.sections[".strtab"];
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EXPECT_EQ( sec->get_index(), sec1->get_index() );
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////////////////////////////////////////////////////////////////////////////
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// Check segments
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segment* seg = reader.segments[0];
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checkSegment( seg, PT_PHDR, 0x08048034, 0x08048034, 0x000e0, 0x000e0,
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PF_R + PF_X, 4 );
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seg = reader.segments[4];
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checkSegment( seg, PT_DYNAMIC, 0x080494a0, 0x080494a0, 0x000c8, 0x000c8,
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PF_R + PF_W, 4 );
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seg = reader.segments[6];
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checkSegment( seg, 0x6474E551, 0x0, 0x0, 0x0, 0x0, PF_R + PF_W, 4 );
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////////////////////////////////////////////////////////////////////////////
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// Check symbol table
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sec = reader.sections[".symtab"];
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symbol_section_accessor sr( reader, sec );
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EXPECT_EQ( sr.get_symbols_num(), 68 );
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checkSymbol( sr, 0, "", 0x00000000, 0, STB_LOCAL, STT_NOTYPE, STN_UNDEF,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 1, "", 0x08048114, 0, STB_LOCAL, STT_SECTION, 1,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 39, "hello.c", 0x00000000, 0, STB_LOCAL, STT_FILE, SHN_ABS,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 65, "__i686.get_pc_thunk.bx", 0x08048429, 0, STB_GLOBAL,
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STT_FUNC, 12, ELF_ST_VISIBILITY( STV_HIDDEN ) );
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checkSymbol( sr, 66, "main", 0x08048384, 43, STB_GLOBAL, STT_FUNC, 12,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 67, "_init", 0x0804824c, 0, STB_GLOBAL, STT_FUNC, 10,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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////////////////////////////////////////////////////////////////////////////
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// Check relocation table
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sec = reader.sections[".rel.dyn"];
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relocation_section_accessor reloc( reader, sec );
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EXPECT_EQ( reloc.get_entries_num(), 1 );
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checkRelocation( &reloc, 0, 0x08049568, 0x0, "__gmon_start__",
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R_386_GLOB_DAT, 0, 0 );
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sec = reader.sections[".rel.plt"];
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relocation_section_accessor reloc1( reader, sec );
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EXPECT_EQ( reloc1.get_entries_num(), 3 );
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checkRelocation( &reloc1, 0, 0x08049578, 0x0, "__gmon_start__",
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R_X86_64_JUMP_SLOT, 0, 0 );
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checkRelocation( &reloc1, 1, 0x0804957c, 0x0, "__libc_start_main",
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R_X86_64_JUMP_SLOT, 0, 0 );
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checkRelocation( &reloc1, 2, 0x08049580, 0x0, "puts", R_X86_64_JUMP_SLOT, 0,
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0 );
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////////////////////////////////////////////////////////////////////////////
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// Check note reader
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sec = reader.sections[".note.ABI-tag"];
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note_section_accessor notes( reader, sec );
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EXPECT_EQ( notes.get_notes_num(), 1u );
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checkNote( notes, 0, 1, std::string( "GNU" ), 16 );
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, load64 )
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{
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elfio reader;
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ASSERT_EQ( reader.load( "elf_examples/hello_64" ), true );
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////////////////////////////////////////////////////////////////////////////
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// Check ELF header
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checkHeader( reader, ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ET_EXEC,
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EM_X86_64, 1, 0x4003c0, 0, 29, 8, 0, 0 );
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////////////////////////////////////////////////////////////////////////////
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// Check sections
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section* sec = reader.sections[0];
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checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );
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sec = reader.sections[1];
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checkSection( sec, 1, ".interp", SHT_PROGBITS, SHF_ALLOC,
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0x0000000000400200, 0x1c, 0, 0, 1, 0 );
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sec = reader.sections[9];
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checkSection( sec, 9, ".rela.plt", SHT_RELA, SHF_ALLOC, 0x0000000000400340,
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0x30, 4, 11, 8, 0x18 );
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sec = reader.sections[20];
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checkSection( sec, 20, ".dynamic", SHT_DYNAMIC, SHF_WRITE | SHF_ALLOC,
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0x0000000000600698, 0x190, 5, 0, 8, 0x10 );
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sec = reader.sections[28];
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checkSection( sec, 28, ".strtab", SHT_STRTAB, 0, 0x0, 0x23f, 0, 0, 1, 0 );
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const section* sec1 = reader.sections[".strtab"];
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EXPECT_EQ( sec->get_index(), sec1->get_index() );
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////////////////////////////////////////////////////////////////////////////
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// Check segments
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segment* seg = reader.segments[0];
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checkSegment( seg, PT_PHDR, 0x0000000000400040, 0x0000000000400040,
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0x00000000000001c0, 0x00000000000001c0, PF_R + PF_X, 8 );
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seg = reader.segments[2];
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checkSegment( seg, PT_LOAD, 0x0000000000400000, 0x0000000000400000,
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0x000000000000066c, 0x000000000000066c, PF_R + PF_X,
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0x200000 );
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seg = reader.segments[7];
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checkSegment( seg, 0x6474E551, 0x0, 0x0, 0x0, 0x0, PF_R + PF_W, 8 );
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////////////////////////////////////////////////////////////////////////////
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// Check symbol table
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sec = reader.sections[".symtab"];
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symbol_section_accessor sr( reader, sec );
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EXPECT_EQ( sr.get_symbols_num(), 67 );
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checkSymbol( sr, 0, "", 0x00000000, 0, STB_LOCAL, STT_NOTYPE, STN_UNDEF,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 1, "", 0x00400200, 0, STB_LOCAL, STT_SECTION, 1,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 40, "hello.c", 0x00000000, 0, STB_LOCAL, STT_FILE, SHN_ABS,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 52, "__gmon_start__", 0x00000000, 0, STB_WEAK, STT_NOTYPE,
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STN_UNDEF, ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 64, "_edata", 0x0060085c, 0, STB_GLOBAL, STT_NOTYPE,
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SHN_ABS, ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 65, "main", 0x00400498, 21, STB_GLOBAL, STT_FUNC, 12,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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checkSymbol( sr, 66, "_init", 0x00400370, 0, STB_GLOBAL, STT_FUNC, 10,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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////////////////////////////////////////////////////////////////////////////
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// Check relocation table
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sec = reader.sections[".rela.dyn"];
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relocation_section_accessor reloc( reader, sec );
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EXPECT_EQ( reloc.get_entries_num(), 1 );
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checkRelocation( &reloc, 0, 0x00600828, 0x0, "__gmon_start__",
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R_X86_64_GLOB_DAT, 0, 0 );
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sec = reader.sections[".rela.plt"];
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relocation_section_accessor reloc1( reader, sec );
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EXPECT_EQ( reloc1.get_entries_num(), 2 );
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checkRelocation( &reloc1, 0, 0x00600848, 0x0, "puts", R_X86_64_JUMP_SLOT, 0,
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0 );
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checkRelocation( &reloc1, 1, 0x00600850, 0x0, "__libc_start_main",
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R_X86_64_JUMP_SLOT, 0, 0 );
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////////////////////////////////////////////////////////////////////////////
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// Check note reader
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sec = reader.sections[".note.ABI-tag"];
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note_section_accessor notes( reader, sec );
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EXPECT_EQ( notes.get_notes_num(), 1u );
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checkNote( notes, 0, 1, std::string( "GNU" ), 16 );
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, hello_64_o )
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{
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elfio reader;
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ASSERT_EQ( reader.load( "elf_examples/hello_64.o" ), true );
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////////////////////////////////////////////////////////////////////////////
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// Check ELF header
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checkHeader( reader, ELFCLASS64, ELFDATA2LSB, EV_CURRENT, ET_REL, EM_X86_64,
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1, 0, 0, 13, 0, 0, 0 );
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////////////////////////////////////////////////////////////////////////////
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// Check sections
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section* sec = reader.sections[0];
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checkSection( sec, 0, "", SHT_NULL, 0, 0, 0, 0, 0, 0, 0 );
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sec = reader.sections[1];
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checkSection( sec, 1, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR, 0x0,
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0x15, 0, 0, 4, 0 );
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section* sec1 = reader.sections[".text"];
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EXPECT_EQ( sec->get_index(), sec1->get_index() );
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sec = reader.sections[12];
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checkSection( sec, 12, ".strtab", SHT_STRTAB, 0, 0x0, 0x13, 0, 0, 1, 0 );
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sec1 = reader.sections[".strtab"];
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EXPECT_EQ( sec->get_index(), sec1->get_index() );
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////////////////////////////////////////////////////////////////////////////
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// Check symbol table
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sec = reader.sections[".symtab"];
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symbol_section_accessor sr( reader, sec );
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EXPECT_EQ( sr.get_symbols_num(), 11 );
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checkSymbol( sr, 9, "main", 0x00000000, 21, STB_GLOBAL, STT_FUNC, 1,
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ELF_ST_VISIBILITY( STV_DEFAULT ) );
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////////////////////////////////////////////////////////////////////////////
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// Check relocation table
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sec = reader.sections[".rela.text"];
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relocation_section_accessor reloc( reader, sec );
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EXPECT_EQ( reloc.get_entries_num(), 2 );
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checkRelocation( &reloc, 0, 0x00000005, 0x0, "", R_X86_64_32, 0, 0 );
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checkRelocation( &reloc, 1, 0x0000000A, 0x0, "puts", R_X86_64_PC32,
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0xfffffffffffffffcULL, -14 );
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sec = reader.sections[".rela.eh_frame"];
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relocation_section_accessor reloc1( reader, sec );
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EXPECT_EQ( reloc1.get_entries_num(), 1 );
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checkRelocation( &reloc1, 0, 0x00000020, 0x0, "", R_X86_64_32, 0, 0 );
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, hello_32_o )
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{
|
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elfio reader;
|
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|
|
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 );
|
|
}
|
|
}
|
|
}
|