mirror of
https://github.com/serge1/ELFIO.git
synced 2024-12-27 12:17:28 +00:00
509 lines
17 KiB
C++
509 lines
17 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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#define ELFIO_NO_INTTYPES
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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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TEST( ELFIOTest, modinfo_read )
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{
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elfio reader;
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ASSERT_EQ( reader.load( "elf_examples/zavl.ko" ), true );
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section* modinfo_sec = reader.sections[".modinfo"];
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ASSERT_NE( modinfo_sec, nullptr );
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const_modinfo_section_accessor modinfo( modinfo_sec );
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ASSERT_EQ( modinfo.get_attribute_num(), (Elf_Word)9 );
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struct
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{
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std::string field;
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std::string value;
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} attributes[] = { { "version", "0.8.3-1ubuntu12.1" },
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{ "license", "CDDL" },
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{ "author", "OpenZFS on Linux" },
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{ "description", "Generic AVL tree implementation" },
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{ "srcversion", "98E85778E754CF75DEF9E8E" },
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{ "depends", "spl" },
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{ "retpoline", "Y" },
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{ "name", "zavl" },
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{ "vermagic", "5.4.0-42-generic SMP mod_unload " } };
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for ( uint32_t i = 0; i < sizeof( attributes ) / sizeof( attributes[0] );
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i++ ) {
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std::string field;
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std::string value;
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modinfo.get_attribute( i, field, value );
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EXPECT_EQ( field, attributes[i].field );
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EXPECT_EQ( value, attributes[i].value );
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}
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for ( uint32_t i = 0; i < sizeof( attributes ) / sizeof( attributes[0] );
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i++ ) {
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std::string field = attributes[i].field;
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std::string value;
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modinfo.get_attribute( field, value );
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EXPECT_EQ( value, attributes[i].value );
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, modinfo_write )
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{
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elfio writer;
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ASSERT_EQ( writer.load( "elf_examples/zavl.ko" ), true );
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section* modinfo_sec = writer.sections[".modinfo"];
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ASSERT_NE( modinfo_sec, nullptr );
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modinfo_section_accessor modinfo( modinfo_sec );
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ASSERT_EQ( modinfo.get_attribute_num(), (Elf_Word)9 );
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modinfo.add_attribute( "test1", "value1" );
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modinfo.add_attribute( "test2", "value2" );
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ASSERT_EQ( modinfo.get_attribute_num(), (Elf_Word)11 );
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ASSERT_EQ( writer.save( "elf_examples/zavl_gen.ko" ), true );
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elfio reader;
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ASSERT_EQ( reader.load( "elf_examples/zavl_gen.ko" ), true );
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modinfo_sec = reader.sections[".modinfo"];
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ASSERT_NE( modinfo_sec, nullptr );
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const_modinfo_section_accessor modinfo1( modinfo_sec );
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ASSERT_EQ( modinfo1.get_attribute_num(), (Elf_Word)11 );
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struct
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{
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std::string field;
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std::string value;
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} attributes[] = { { "version", "0.8.3-1ubuntu12.1" },
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{ "license", "CDDL" },
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{ "author", "OpenZFS on Linux" },
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{ "description", "Generic AVL tree implementation" },
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{ "srcversion", "98E85778E754CF75DEF9E8E" },
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{ "depends", "spl" },
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{ "retpoline", "Y" },
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{ "name", "zavl" },
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{ "vermagic", "5.4.0-42-generic SMP mod_unload " },
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{ "test1", "value1" },
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{ "test2", "value2" } };
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for ( uint32_t i = 0; i < sizeof( attributes ) / sizeof( attributes[0] );
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i++ ) {
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std::string field;
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std::string value;
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modinfo.get_attribute( i, field, value );
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EXPECT_EQ( field, attributes[i].field );
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EXPECT_EQ( value, attributes[i].value );
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}
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for ( uint32_t i = 0; i < sizeof( attributes ) / sizeof( attributes[0] );
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i++ ) {
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std::string field = attributes[i].field;
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std::string value;
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modinfo.get_attribute( field, value );
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EXPECT_EQ( value, attributes[i].value );
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, array_read_32 )
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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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section* array_sec = reader.sections[".ctors"];
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ASSERT_NE( array_sec, nullptr );
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const_array_section_accessor<> array( reader, array_sec );
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ASSERT_EQ( array.get_entries_num(), (Elf_Xword)2 );
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Elf64_Addr addr;
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EXPECT_EQ( array.get_entry( 0, addr ), true );
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EXPECT_EQ( addr, 0xFFFFFFFF );
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EXPECT_EQ( array.get_entry( 1, addr ), true );
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EXPECT_EQ( addr, 0x00000000 );
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, array_read_64 )
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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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section* array_sec = reader.sections[".ctors"];
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ASSERT_NE( array_sec, nullptr );
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const_array_section_accessor<Elf64_Addr> array( reader, array_sec );
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ASSERT_EQ( array.get_entries_num(), (Elf_Xword)2 );
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Elf64_Addr addr;
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EXPECT_EQ( array.get_entry( 0, addr ), true );
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EXPECT_EQ( addr, 0xFFFFFFFFFFFFFFFF );
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EXPECT_EQ( array.get_entry( 1, addr ), true );
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EXPECT_EQ( addr, 0x0000000000000000 );
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, init_array_read_64 )
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{
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elfio reader;
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Elf64_Addr addr;
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ASSERT_EQ( reader.load( "elf_examples/ctors" ), true );
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section* array_sec = reader.sections[".init_array"];
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ASSERT_NE( array_sec, nullptr );
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const_array_section_accessor<Elf64_Addr> array( reader, array_sec );
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ASSERT_EQ( array.get_entries_num(), (Elf_Xword)2 );
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EXPECT_EQ( array.get_entry( 0, addr ), true );
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EXPECT_EQ( addr, 0x12C0 );
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EXPECT_EQ( array.get_entry( 1, addr ), true );
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EXPECT_EQ( addr, 0x149F );
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array_sec = reader.sections[".fini_array"];
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ASSERT_NE( array_sec, nullptr );
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array_section_accessor<Elf64_Addr> arrayf( reader, array_sec );
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ASSERT_EQ( arrayf.get_entries_num(), (Elf_Xword)1 );
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EXPECT_EQ( arrayf.get_entry( 0, addr ), true );
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EXPECT_EQ( addr, 0x1280 );
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, init_array_write_64 )
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{
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elfio reader;
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Elf64_Addr addr;
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ASSERT_EQ( reader.load( "elf_examples/ctors" ), true );
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section* array_sec = reader.sections[".init_array"];
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ASSERT_NE( array_sec, nullptr );
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array_section_accessor<Elf64_Addr> array( reader, array_sec );
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ASSERT_EQ( array.get_entries_num(), (Elf_Xword)2 );
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EXPECT_EQ( array.get_entry( 0, addr ), true );
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EXPECT_EQ( addr, 0x12C0 );
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EXPECT_EQ( array.get_entry( 1, addr ), true );
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EXPECT_EQ( addr, 0x149F );
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array.add_entry( 0x12345678 );
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ASSERT_EQ( array.get_entries_num(), (Elf_Xword)3 );
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EXPECT_EQ( array.get_entry( 0, addr ), true );
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EXPECT_EQ( addr, 0x12C0 );
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EXPECT_EQ( array.get_entry( 1, addr ), true );
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EXPECT_EQ( addr, 0x149F );
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EXPECT_EQ( array.get_entry( 2, addr ), true );
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EXPECT_EQ( addr, 0x12345678 );
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, test_hex )
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{
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EXPECT_EQ( to_hex_string( 1 ), "0x1" );
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EXPECT_EQ( to_hex_string( 10 ), "0xA" );
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EXPECT_EQ( to_hex_string( 0x12345678 ), "0x12345678" );
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EXPECT_EQ( to_hex_string( 0xFFFFFFFF ), "0xFFFFFFFF" );
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EXPECT_EQ( to_hex_string( 0xFFFFFFFFFFFFFFFF ), "0xFFFFFFFFFFFFFFFF" );
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, hash32_le )
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{
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elfio reader;
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// Load ELF data
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ASSERT_EQ( reader.load( "elf_examples/ARMSCII-8.so" ), true );
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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_index;
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unsigned char other;
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section* symsec = reader.sections[".dynsym"];
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symbol_section_accessor syms( reader, symsec );
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for ( Elf_Xword i = 0; i < syms.get_symbols_num(); i++ ) {
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ASSERT_EQ( syms.get_symbol( i, name, value, size, bind, type,
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section_index, other ),
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true );
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EXPECT_EQ( syms.get_symbol( name, value, size, bind, type,
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section_index, other ),
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true );
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, hash32_be )
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{
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elfio reader;
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// Load ELF data
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ASSERT_EQ( reader.load( "elf_examples/test_ppc" ), true );
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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_index;
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unsigned char other;
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section* symsec = reader.sections[".dynsym"];
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symbol_section_accessor syms( reader, symsec );
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for ( Elf_Xword i = 0; i < syms.get_symbols_num(); i++ ) {
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ASSERT_EQ( syms.get_symbol( i, name, value, size, bind, type,
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section_index, other ),
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true );
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EXPECT_EQ( syms.get_symbol( name, value, size, bind, type,
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section_index, other ),
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true );
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, gnu_hash32_le )
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{
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elfio reader;
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// Load ELF data
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ASSERT_EQ( reader.load( "elf_examples/hello_32" ), true );
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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_index;
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unsigned char other;
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section* symsec = reader.sections[".dynsym"];
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symbol_section_accessor syms( reader, symsec );
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for ( Elf_Xword i = 0; i < syms.get_symbols_num(); i++ ) {
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ASSERT_EQ( syms.get_symbol( i, name, value, size, bind, type,
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section_index, other ),
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true );
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EXPECT_EQ( syms.get_symbol( name, value, size, bind, type,
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section_index, other ),
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true );
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, gnu_hash64_le )
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{
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elfio reader;
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// Load ELF data
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ASSERT_EQ( reader.load( "elf_examples/main" ), true );
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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_index;
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unsigned char other;
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section* symsec = reader.sections[".dynsym"];
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symbol_section_accessor syms( reader, symsec );
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for ( Elf_Xword i = 0; i < syms.get_symbols_num(); i++ ) {
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ASSERT_EQ( syms.get_symbol( i, name, value, size, bind, type,
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section_index, other ),
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true );
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EXPECT_EQ( syms.get_symbol( name, value, size, bind, type,
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section_index, other ),
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true );
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, gnu_version_64_le )
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{
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elfio reader;
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// Load ELF data
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ASSERT_EQ( reader.load( "elf_examples/hello_64" ), true );
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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_index;
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unsigned char other;
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section* dynsym = reader.sections[".dynsym"];
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const_symbol_section_accessor dynsym_acc( reader, dynsym );
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section* gnu_version = reader.sections[".gnu.version"];
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const_versym_section_accessor gnu_version_arr( gnu_version );
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const section* gnu_version_r = reader.sections[".gnu.version_r"];
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const_versym_r_section_accessor gnu_version_r_arr( reader, gnu_version_r );
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section* dynstr = reader.sections[".dynstr"];
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EXPECT_EQ( gnu_version->get_link(), dynsym->get_index() );
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EXPECT_EQ( gnu_version_r->get_link(), dynstr->get_index() );
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EXPECT_EQ( dynsym_acc.get_symbols_num(),
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gnu_version_arr.get_entries_num() );
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for ( Elf64_Word i = 0; i < dynsym_acc.get_symbols_num(); i++ ) {
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ASSERT_EQ( dynsym_acc.get_symbol( i, name, value, size, bind, type,
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section_index, other ),
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true );
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Elf64_Half verindex = 0;
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gnu_version_arr.get_entry( i, verindex );
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if ( i < 2 )
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EXPECT_EQ( 0, verindex );
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else
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EXPECT_EQ( 2, verindex );
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}
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EXPECT_EQ( gnu_version_r_arr.get_entries_num(), 1 );
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Elf_Half version;
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std::string file_name;
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Elf_Word hash;
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Elf_Half flags;
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Elf_Half vna_other;
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std::string dep_name;
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gnu_version_r_arr.get_entry( 0, version, file_name, hash, flags, vna_other,
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dep_name );
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EXPECT_EQ( version, 1 );
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EXPECT_EQ( file_name, "libc.so.6" );
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EXPECT_EQ( hash, 0x09691a75 );
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EXPECT_EQ( flags, 0 );
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EXPECT_EQ( vna_other, 2 );
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EXPECT_EQ( dep_name, "GLIBC_2.2.5" );
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}
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////////////////////////////////////////////////////////////////////////////////
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// TEST( ELFIOTest, gnu_version_64_le_modify )
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// {
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// elfio reader;
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// // Load ELF data
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// ASSERT_EQ( reader.load( "elf_examples/hello_64" ), true );
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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_index;
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// unsigned char other;
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// section* gnu_version = reader.sections[".gnu.version"];
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// versym_section_accessor gnu_version_arr( gnu_version );
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// section* gnu_version_r = reader.sections[".gnu.version_r"];
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// versym_r_section_accessor gnu_version_r_arr( reader, gnu_version_r );
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// auto orig_entries_num = gnu_version_arr.get_entries_num();
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// Elf64_Word i = 0;
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// for ( i = 0; i < orig_entries_num; i++ ) {
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// gnu_version_arr.modify_entry( i, i + 10 );
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// }
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// gnu_version_arr.add_entry( i + 10 );
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// gnu_version_arr.add_entry( i + 11 );
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// EXPECT_EQ( orig_entries_num + 2,
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// gnu_version_arr.get_entries_num() );
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// for ( i = 0; i < gnu_version_arr.get_entries_num(); i++ ) {
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// Elf_Half value;
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// gnu_version_arr.get_entry( i, value );
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// EXPECT_EQ( i + 10, value );
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// }
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// }
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////////////////////////////////////////////////////////////////////////////////
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TEST( ELFIOTest, move_constructor_and_assignment )
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{
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elfio r1;
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// Load ELF data
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ASSERT_EQ( r1.load( "elf_examples/hello_64" ), true );
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Elf64_Addr entry = r1.get_entry();
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std::string sec_name = r1.sections[".text"]->get_name();
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Elf_Xword seg_size = r1.segments[1]->get_memory_size();
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// Move to a vector element
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std::vector<elfio> v;
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v.emplace_back( std::move( r1 ) );
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EXPECT_EQ( v[0].get_entry(), entry );
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EXPECT_EQ( v[0].sections[".text"]->get_name(), sec_name );
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EXPECT_EQ( v[0].segments[1]->get_memory_size(), seg_size );
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elfio r2;
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r2 = std::move( v[0] );
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EXPECT_EQ( r2.get_entry(), entry );
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EXPECT_EQ( r2.sections[".text"]->get_name(), sec_name );
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EXPECT_EQ( r2.segments[1]->get_memory_size(), seg_size );
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}
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TEST( ELFIOTest, address_translation_test )
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{
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std::vector<address_translation> ranges;
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ranges.emplace_back( 0, 100, 500 );
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ranges.emplace_back( 500, 1000, 1000 );
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|
ranges.emplace_back( 2000, 1000, 3000 );
|
|
|
|
address_translator tr;
|
|
tr.set_address_translation( ranges );
|
|
|
|
EXPECT_EQ( tr[0], 500 );
|
|
EXPECT_EQ( tr[510], 1010 );
|
|
EXPECT_EQ( tr[1710], 1710 );
|
|
EXPECT_EQ( tr[2710], 3710 );
|
|
EXPECT_EQ( tr[3710], 3710 );
|
|
|
|
ranges.clear();
|
|
tr.set_address_translation( ranges );
|
|
|
|
EXPECT_EQ( tr[0], 0 );
|
|
EXPECT_EQ( tr[510], 510 );
|
|
EXPECT_EQ( tr[1710], 1710 );
|
|
EXPECT_EQ( tr[2710], 2710 );
|
|
EXPECT_EQ( tr[3710], 3710 );
|
|
}
|