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Add C symbol functions

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This commit is contained in:
Serge Lamikhov-Center 2020-10-10 08:52:26 +03:00
parent 49c676ad06
commit 5b448b7e1c
3 changed files with 96 additions and 9 deletions
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5
examples/c_interop/c_example.c
View File

@ -29,7 +29,7 @@ int main( int argc, char* argv[] )
elfio_section_get_address( psection ),
elfio_section_get_size( psection ) );
}
/*
int segno = elfio_get_segments_num( pelfio );
printf( "\nSegments No : %d\n", segno );
@ -40,6 +40,9 @@ int main( int argc, char* argv[] )
elfio_segment_get_memory_size( psegment ),
elfio_segment_get_file_size( psegment ) );
}
*/
elfio_delete( pelfio );

58
examples/c_interop/elfio_c_interop.cpp
View File

@ -178,8 +178,7 @@ Elf_Half elfio_segment_get_sections_num( psegment_t psegment )
return psegment->get_sections_num();
}
Elf_Half elfio_segment_get_section_index_at( psegment_t psegment,
Elf_Half num )
Elf_Half elfio_segment_get_section_index_at( psegment_t psegment, Elf_Half num )
{
return psegment->get_section_index_at( num );
}
@ -188,3 +187,58 @@ bool elfio_segment_is_offset_initialized( psegment_t psegment )
{
return psegment->is_offset_initialized();
}
//-----------------------------------------------------------------------------
// symbol
//-----------------------------------------------------------------------------
psymbol_t elfio_symbol_section_accessor_new( pelfio_t pelfio,
psection_t psection )
{
return new symbol_section_accessor( *pelfio, psection );
}
void elfio_symbol_section_accessor_delete( psymbol_t psymbol )
{
delete psymbol;
}
Elf_Xword elfio_symbol_get_symbols_num( psymbol_t psymbol )
{
return psymbol->get_symbols_num();
}
bool get_symbol( psymbol_t psymbol,
Elf_Xword index,
char* name,
int name_len,
Elf64_Addr* value,
Elf_Xword* size,
unsigned char* bind,
unsigned char* type,
Elf_Half* section_index,
unsigned char* other )
{
std::string name_param;
bool ret = psymbol->get_symbol( index, name_param, *value, *size, *bind,
*type, *section_index, *other );
strncpy( name, name_param.c_str(), name_len - 1 );
return ret;
}
Elf_Word elfio_symbol_add_symbol( psymbol_t psymbol,
Elf_Word name,
Elf64_Addr value,
Elf_Xword size,
unsigned char info,
unsigned char other,
Elf_Half shndx )
{
return psymbol->add_symbol( name, value, size, info, other, shndx );
}
Elf_Xword elfio_symbol_arrange_local_symbols(
psymbol_t psymbol, void ( *func )( Elf_Xword first, Elf_Xword second ) )
{
return psymbol->arrange_local_symbols( func );
}

42
examples/c_interop/elfio_c_interop.h
View File

@ -76,9 +76,10 @@ THE SOFTWARE.
void elfio_##CLASS##_set_##NAME( p##CLASS##_t p##CLASS, TYPE value )
#ifdef __cplusplus
typedef ELFIO::elfio* pelfio_t;
typedef ELFIO::section* psection_t;
typedef ELFIO::segment* psegment_t;
typedef ELFIO::elfio* pelfio_t;
typedef ELFIO::section* psection_t;
typedef ELFIO::segment* psegment_t;
typedef ELFIO::symbol_section_accessor* psymbol_t;
extern "C"
{
@ -86,6 +87,7 @@ extern "C"
typedef void* pelfio_t;
typedef void* psection_t;
typedef void* psegment_t;
typedef void* psymbol_t;
typedef int bool;
#endif
@ -161,12 +163,40 @@ typedef int bool;
ELFIO_C_GET_ACCESS( segment, Elf64_Off, offset );
char* elfio_segment_get_data( psegment_t psegment );
Elf_Half elfio_segment_add_section_index( psegment_t psegment,
Elf_Half index,
Elf_Xword addr_align );
Elf_Half index,
Elf_Xword addr_align );
Elf_Half elfio_segment_get_sections_num( psegment_t psegment );
Elf_Half elfio_segment_get_section_index_at( psegment_t psegment, Elf_Half num );
Elf_Half elfio_segment_get_section_index_at( psegment_t psegment,
Elf_Half num );
bool elfio_segment_is_offset_initialized( psegment_t psegment );
//-----------------------------------------------------------------------------
// symbol
//-----------------------------------------------------------------------------
psymbol_t elfio_symbol_section_accessor_new( pelfio_t pelfio,
psection_t psection );
void elfio_symbol_section_accessor_delete( psymbol_t psymbol );
Elf_Xword elfio_symbol_get_symbols_num( psymbol_t psymbol );
bool elfio_symbol_get_symbol( psymbol_t psymbol,
Elf_Xword index,
char* name,
int name_len,
Elf64_Addr* value,
Elf_Xword* size,
unsigned char* bind,
unsigned char* type,
Elf_Half* section_index,
unsigned char* other );
Elf_Word elfio_symbol_add_symbol( psymbol_t psymbol,
Elf_Word name,
Elf64_Addr value,
Elf_Xword size,
unsigned char info,
unsigned char other,
Elf_Half shndx );
Elf_Xword elfio_symbol_arrange_local_symbols(
psymbol_t psymbol, void (*func)( Elf_Xword first, Elf_Xword second ) );
#ifdef __cplusplus
}
#endif