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Version Requirements accessor (modifier) was added

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This commit is contained in:
Serge Lamikhov-Center 2021-12-01 17:38:18 +02:00
parent 7ba15e0549
commit daa1a17390
2 changed files with 62 additions and 0 deletions
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24
elfio/elfio_versym.hpp
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@ -57,6 +57,30 @@ template <class S> class versym_section_accessor_template
return false;
}
//------------------------------------------------------------------------------
bool modify_entry( Elf_Word no, Elf_Half value )
{
if ( versym_section && ( no < get_entries_num() ) ) {
( (Elf_Half*)versym_section->get_data() )[no] = value;
return true;
}
return false;
}
//------------------------------------------------------------------------------
bool add_entry( Elf_Half value )
{
if ( !versym_section ) {
return false;
}
versym_section->append_data( (const char*)&value, sizeof( Elf_Half ) );
++entries_num;
return true;
}
//------------------------------------------------------------------------------
private:
S* versym_section;

38
tests/ELFIOTest2.cpp
View File

@ -421,6 +421,44 @@ BOOST_AUTO_TEST_CASE( gnu_version_64_le )
BOOST_CHECK_EQUAL( dep_name, "GLIBC_2.2.5" );
}
////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( gnu_version_64_le_modify )
{
elfio reader;
// Load ELF data
BOOST_REQUIRE_EQUAL( reader.load( "elf_examples/hello_64" ), true );
std::string name;
Elf64_Addr value;
Elf_Xword size;
unsigned char bind;
unsigned char type;
Elf_Half section_index;
unsigned char other;
section* gnu_version = reader.sections[".gnu.version"];
versym_section_accessor gnu_version_arr( gnu_version );
section* gnu_version_r = reader.sections[".gnu.version_r"];
versym_r_section_accessor gnu_version_r_arr( reader, gnu_version_r );
auto orig_entries_num = gnu_version_arr.get_entries_num();
Elf64_Word i = 0;
for ( i = 0; i < orig_entries_num; i++ ) {
gnu_version_arr.modify_entry( i, i + 10 );
}
gnu_version_arr.add_entry( i + 10 );
gnu_version_arr.add_entry( i + 11 );
BOOST_CHECK_EQUAL( orig_entries_num + 2,
gnu_version_arr.get_entries_num() );
for ( i = 0; i < gnu_version_arr.get_entries_num(); i++ ) {
Elf_Half value;
gnu_version_arr.get_entry( i, value );
BOOST_CHECK_EQUAL( i + 10, value );
}
}
////////////////////////////////////////////////////////////////////////////////
BOOST_AUTO_TEST_CASE( move_constructor_and_assignment )