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Segment dump implemented

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This commit is contained in:
Serge Lamikhov-Center 2012-08-19 18:48:02 +03:00
parent e62b2b38cb
commit 02696b9e7f
3 changed files with 94 additions and 7 deletions
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98
elfio/elfio_dump.hpp
View File

@ -277,6 +277,7 @@ static struct machine_table_t {
{ EM_CUDA , "NVIDIA CUDA architecture " },
};
static struct section_type_table_t {
const Elf64_Half key;
const char* str;
@ -302,6 +303,22 @@ static struct section_type_table_t {
};
static struct segment_type_table_t {
const Elf_Word key;
const char* str;
} segment_type_table [] =
{
{ PT_NULL , "NULL" },
{ PT_LOAD , "LOAD" },
{ PT_DYNAMIC , "DYNAMIC" },
{ PT_INTERP , "INTERP" },
{ PT_NOTE , "NOTE" },
{ PT_SHLIB , "SHLIB" },
{ PT_PHDR , "PHDR" },
{ PT_TLS , "TLS" },
};
//------------------------------------------------------------------------------
class dump
{
@ -375,6 +392,56 @@ class dump
return;
}
//------------------------------------------------------------------------------
static void
segment_headers( std::ostream& out, elfio& reader )
{
// Print ELF file segments
Elf_Half n = reader.segments.size();
if ( n > 0 ) {
printf( "Segment headers:\n" );
printf( " [Nr] Type VirtAddr PhysAddr FileSize Mem.Size Flags Align\n" );
}
for ( Elf_Half i = 0; i < n; ++i ) {
segment* seg = reader.segments[i];
segment_header( out, i, seg );
}
return;
}
//------------------------------------------------------------------------------
static void
segment_header( std::ostream& out, Elf_Half no, segment* seg )
{
std::ios_base::fmtflags original_flags = out.flags();
out << " ["
<< DUMP_DEC_FORMAT( 2 ) << no
<< "] "
<< DUMP_STR_FORMAT( 14 ) << str_segment_type( seg->get_type() ) << " "
<< DUMP_HEX_FORMAT( 8 ) << seg->get_virtual_address() << " "
<< DUMP_HEX_FORMAT( 8 ) << seg->get_physical_address() << " "
<< DUMP_HEX_FORMAT( 8 ) << seg->get_file_size() << " "
<< DUMP_HEX_FORMAT( 8 ) << seg->get_memory_size() << " "
<< DUMP_HEX_FORMAT( 8 ) << seg->get_flags() << " "
<< DUMP_HEX_FORMAT( 8 ) << seg->get_align() << " "
<< std::endl;
out.flags(original_flags);
/*
printf( " [%2x] %-10.10s %08"PRIx64" %08"PRIx64" %08"PRIx64" %08"PRIx64" %08x %08"PRIx64"\n",
i,
SegmentTypes( seg->get_type() ).c_str(),
seg->get_virtual_address(),
seg->get_physical_address(),
seg->get_file_size(),
seg->get_memory_size(),
seg->get_flags(),
seg->get_align() );
*/
}
private:
//------------------------------------------------------------------------------
template< typename T, typename K >
@ -408,6 +475,24 @@ class dump
}
//------------------------------------------------------------------------------
template< typename T >
static
std::string
format_assoc( const T& table, const char key )
{
std::string str = find_value_in_table( table, key );
if ( str == "UNKNOWN" ) {
std::ostringstream oss;
oss << str << " (0x" << std::hex << (int)key << ")";
str = oss.str();
}
return str;
}
//------------------------------------------------------------------------------
static
std::string
section_flags( Elf_Xword flags )
@ -428,12 +513,12 @@ class dump
//------------------------------------------------------------------------------
#define STR_FUNC_TABLE( name ) \
static \
std::string \
str_##name( const char key ) \
{ \
return format_assoc( name##_table, (int)key ); \
#define STR_FUNC_TABLE( name ) \
static \
std::string \
str_##name( const char key ) \
{ \
return format_assoc( name##_table, key ); \
}
STR_FUNC_TABLE( class );
@ -442,6 +527,7 @@ class dump
STR_FUNC_TABLE( type );
STR_FUNC_TABLE( machine );
STR_FUNC_TABLE( section_type );
STR_FUNC_TABLE( segment_type );
#undef STR_FUNC_TABLE
#undef DUMP_DEC_FORMAT

1
elfio/elfio_dump_test.cpp
View File

@ -22,6 +22,7 @@ int main( int argc, char** argv )
// Print ELF file header
dump::header ( std::cout, reader );
dump::section_headers( std::cout, reader );
dump::segment_headers( std::cout, reader );
return 0;
}

2
examples/ELFDump/ELFDump.cpp
View File

@ -269,7 +269,7 @@ int main( int argc, char** argv )
printf( "Segment headers:\n" );
printf( " [Nr] Type VirtAddr PhysAddr FileSize Mem.Size Flags Align\n" );
}
for ( i = 0; i < nSegNo; ++i ) { // For all sections
for ( i = 0; i < nSegNo; ++i ) { // For all segments
segment* seg = reader.segments[i];
PrintSegment( i, seg );
}