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Dump for section and segment data added

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Serge Lamikhov-Center 2013-05-26 18:58:23 +03:00 committed by Serge Lamikhov-Center
parent 17f03740e6
commit e8afffece9
2 changed files with 106 additions and 0 deletions
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104
elfio/elfio_dump.hpp
View File

@ -23,6 +23,7 @@ THE SOFTWARE.
#ifndef ELFIO_DUMP_HPP #ifndef ELFIO_DUMP_HPP
#define ELFIO_DUMP_HPP #define ELFIO_DUMP_HPP
#include <algorithm>
#include <string> #include <string>
#include <ostream> #include <ostream>
#include <sstream> #include <sstream>
@ -424,6 +425,8 @@ class dump
std::hex << std::left std::hex << std::left
public: public:
static const ELFIO::Elf_Xword MAX_DATA_ENTRIES = 64;
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
static void static void
header( std::ostream& out, const elfio& reader ) header( std::ostream& out, const elfio& reader )
@ -763,6 +766,107 @@ class dump
} }
out << std::endl; out << std::endl;
} }
//------------------------------------------------------------------------------
static void
section_data( std::ostream& out, const section* sec )
{
std::ios_base::fmtflags original_flags = out.flags();
out << sec->get_name() << std::endl;
const char* pdata = sec->get_data();
ELFIO::Elf_Xword i;
for ( i = 0; i < std::min( sec->get_size(), MAX_DATA_ENTRIES ); ++i ) {
if ( i % 16 == 0 ) {
out << "[" << DUMP_HEX_FORMAT( 8 ) << i << "]";
}
out << " " << DUMP_HEX_FORMAT( 2 ) << ( pdata[i] & 0x000000FF );
if ( i % 16 == 15 ) {
out << std::endl;
}
}
if ( i % 16 != 0 ) {
out << std::endl;
}
out.flags(original_flags);
return;
}
//------------------------------------------------------------------------------
static void
section_datas( std::ostream& out, const elfio& reader )
{
Elf_Half n = reader.sections.size();
if ( n == 0 ) {
return;
}
out << "Section Data:" << std::endl;
for ( Elf_Half i = 1; i < n; ++i ) { // For all sections
section* sec = reader.sections[i];
if ( sec->get_type() == SHT_NOBITS ) {
continue;
}
section_data( out, sec );
}
out << std::endl;
}
//------------------------------------------------------------------------------
static void
segment_data( std::ostream& out, Elf_Half no, const segment* seg )
{
std::ios_base::fmtflags original_flags = out.flags();
out << "Segment # " << no << std::endl;
const char* pdata = seg->get_data();
ELFIO::Elf_Xword i;
for ( i = 0; i < std::min( seg->get_file_size(), MAX_DATA_ENTRIES ); ++i ) {
if ( i % 16 == 0 ) {
out << "[" << DUMP_HEX_FORMAT( 8 ) << i << "]";
}
out << " " << DUMP_HEX_FORMAT( 2 ) << ( pdata[i] & 0x000000FF );
if ( i % 16 == 15 ) {
out << std::endl;
}
}
if ( i % 16 != 0 ) {
out << std::endl;
}
out.flags(original_flags);
return;
}
//------------------------------------------------------------------------------
static void
segment_datas( std::ostream& out, const elfio& reader )
{
Elf_Half n = reader.segments.size();
if ( n == 0 ) {
return;
}
out << "Segment Data:" << std::endl;
for ( Elf_Half i = 0; i < n; ++i ) { // For all sections
segment* seg = reader.segments[i];
segment_data( out, i, seg );
}
out << std::endl;
}
private: private:
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------

2
examples/elfdump/elfdump.cpp
View File

@ -52,6 +52,8 @@ int main( int argc, char** argv )
dump::symbol_tables ( std::cout, reader ); dump::symbol_tables ( std::cout, reader );
dump::notes ( std::cout, reader ); dump::notes ( std::cout, reader );
dump::dynamic_tags ( std::cout, reader ); dump::dynamic_tags ( std::cout, reader );
dump::section_datas ( std::cout, reader );
dump::segment_datas ( std::cout, reader );
return 0; return 0;
} }