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note_segment_accessor added

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This commit is contained in:
Serge Lamikhov-Center 2022-01-29 10:48:04 +02:00
parent ed2523f095
commit feee9d4ada
2 changed files with 43 additions and 6 deletions
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31
elfio/elfio_dump.hpp
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@ -915,6 +915,37 @@ class dump
// 'name' usually contains \0 at the end. Remove it
name = name.c_str();
note( out, j, type, name, desc, descsz );
out << std::endl;
}
}
out << std::endl;
}
}
}
no = reader.segments.size();
for ( Elf_Half i = 0; i < no; ++i ) { // For all segments
segment* seg = reader.segments[i];
if ( PT_NOTE == seg->get_type() ) { // Look at notes
note_segment_accessor notes( reader, seg );
Elf_Word no_notes = notes.get_notes_num();
if ( no > 0 ) {
out << "Note segment (" << i << ")"
<< std::endl
<< " No Name Data size Description"
<< std::endl;
for ( Elf_Word j = 0; j < no_notes; ++j ) { // For all notes
Elf_Word type;
std::string name;
void* desc;
Elf_Word descsz;
if ( notes.get_note( j, type, name, desc, descsz ) ) {
// 'name' usually contains \0 at the end. Remove it
name = name.c_str();
note( out, j, type, name, desc, descsz );
out << std::endl;
}
}

18
elfio/elfio_note.hpp
View File

@ -38,7 +38,8 @@ namespace ELFIO {
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
template <class S> class note_section_accessor_template
template <class S, Elf_Xword ( S::*F_get_size )() const>
class note_section_accessor_template
{
public:
//------------------------------------------------------------------------------
@ -61,7 +62,7 @@ template <class S> class note_section_accessor_template
void*& desc,
Elf_Word& descSize ) const
{
if ( index >= note_section->get_size() ) {
if ( index >= ( note_section->*F_get_size )() ) {
return false;
}
@ -75,7 +76,7 @@ template <class S> class note_section_accessor_template
descSize = convertor( *(const Elf_Word*)( pData + sizeof( namesz ) ) );
Elf_Xword max_name_size =
note_section->get_size() - note_start_positions[index];
( note_section->*F_get_size )() - note_start_positions[index];
if ( namesz < 1 || namesz > max_name_size ||
(Elf_Xword)namesz + descSize > max_name_size ) {
return false;
@ -133,7 +134,7 @@ template <class S> class note_section_accessor_template
{
const endianess_convertor& convertor = elf_file.get_convertor();
const char* data = note_section->get_data();
Elf_Xword size = note_section->get_size();
Elf_Xword size = ( note_section->*F_get_size )();
Elf_Xword current = 0;
note_start_positions.clear();
@ -163,9 +164,14 @@ template <class S> class note_section_accessor_template
std::vector<Elf_Xword> note_start_positions;
};
using note_section_accessor = note_section_accessor_template<section>;
using note_section_accessor =
note_section_accessor_template<section, &section::get_size>;
using const_note_section_accessor =
note_section_accessor_template<const section>;
note_section_accessor_template<const section, &section::get_size>;
using note_segment_accessor =
note_section_accessor_template<segment, &segment::get_file_size>;
using const_note_segment_accessor =
note_section_accessor_template<const segment, &segment::get_file_size>;
} // namespace ELFIO