mirror of
https://github.com/serge1/ELFIO.git
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324 lines
17 KiB
C
324 lines
17 KiB
C
/*
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Copyright (C) 2001-2020 by Serge Lamikhov-Center
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef ELFIO_C_WRAPPER_H
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#define ELFIO_C_WRAPPER_H
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#define ELFIO_C_HEADER_ACCESS_GET( TYPE, FNAME ) \
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TYPE elfio_get_##FNAME( pelfio_t pelfio );
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#define ELFIO_C_HEADER_ACCESS_GET_SET( TYPE, FNAME ) \
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TYPE elfio_get_##FNAME( pelfio_t pelfio ); \
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void elfio_set_##FNAME( pelfio_t pelfio, TYPE val );
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#define ELFIO_C_HEADER_ACCESS_GET_IMPL( TYPE, FNAME ) \
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TYPE elfio_get_##FNAME( pelfio_t pelfio ) { return pelfio->get_##FNAME(); }
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#define ELFIO_C_HEADER_ACCESS_GET_SET_IMPL( TYPE, FNAME ) \
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TYPE elfio_get_##FNAME( pelfio_t pelfio ) \
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{ \
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return pelfio->get_##FNAME(); \
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} \
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void elfio_set_##FNAME( pelfio_t pelfio, TYPE val ) \
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{ \
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pelfio->set_##FNAME( val ); \
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}
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#define ELFIO_C_GET_ACCESS_IMPL( CLASS, TYPE, NAME ) \
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TYPE elfio_##CLASS##_get_##NAME( p##CLASS##_t p##CLASS ) \
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{ \
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return p##CLASS->get_##NAME(); \
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}
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#define ELFIO_C_SET_ACCESS_IMPL( CLASS, TYPE, NAME ) \
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void elfio_##CLASS##_set_##NAME( p##CLASS##_t p##CLASS, TYPE value ) \
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{ \
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p##CLASS->set_##NAME( value ); \
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}
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#define ELFIO_C_GET_SET_ACCESS_IMPL( CLASS, TYPE, NAME ) \
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TYPE elfio_##CLASS##_get_##NAME( p##CLASS##_t p##CLASS ) \
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{ \
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return p##CLASS->get_##NAME(); \
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} \
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void elfio_##CLASS##_set_##NAME( p##CLASS##_t p##CLASS, TYPE value ) \
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{ \
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p##CLASS->set_##NAME( value ); \
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}
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#define ELFIO_C_GET_ACCESS( CLASS, TYPE, NAME ) \
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TYPE elfio_##CLASS##_get_##NAME( p##CLASS##_t p##CLASS );
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#define ELFIO_C_SET_ACCESS( CLASS, TYPE, NAME ) \
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void elfio_##CLASS##_set_##NAME( p##CLASS##_t p##CLASS, TYPE value );
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#define ELFIO_C_GET_SET_ACCESS( CLASS, TYPE, NAME ) \
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TYPE elfio_##CLASS##_get_##NAME( p##CLASS##_t p##CLASS ); \
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void elfio_##CLASS##_set_##NAME( p##CLASS##_t p##CLASS, TYPE value )
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#ifdef __cplusplus
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typedef ELFIO::elfio* pelfio_t;
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typedef ELFIO::section* psection_t;
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typedef ELFIO::segment* psegment_t;
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typedef ELFIO::symbol_section_accessor* psymbol_t;
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typedef ELFIO::relocation_section_accessor* prelocation_t;
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typedef ELFIO::string_section_accessor* pstring_t;
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typedef ELFIO::note_section_accessor* pnote_t;
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typedef ELFIO::modinfo_section_accessor* pmodinfo_t;
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typedef ELFIO::dynamic_section_accessor* pdynamic_t;
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typedef ELFIO::array_section_accessor* parray_t;
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extern "C"
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{
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#else
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typedef void* pelfio_t;
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typedef void* psection_t;
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typedef void* psegment_t;
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typedef void* psymbol_t;
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typedef void* prelocation_t;
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typedef void* pstring_t;
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typedef void* pnote_t;
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typedef void* pmodinfo_t;
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typedef void* pdynamic_t;
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typedef void* parray_t;
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typedef int bool;
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#endif
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//-----------------------------------------------------------------------------
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// elfio
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//-----------------------------------------------------------------------------
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pelfio_t elfio_new();
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void elfio_delete( pelfio_t pelfio );
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void elfio_create( pelfio_t pelfio,
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unsigned char file_class,
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unsigned char encoding );
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bool elfio_load( pelfio_t pelfio, const char* file_name );
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bool elfio_save( pelfio_t pelfio, const char* file_name );
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ELFIO_C_HEADER_ACCESS_GET( unsigned char, class );
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ELFIO_C_HEADER_ACCESS_GET( unsigned char, elf_version );
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ELFIO_C_HEADER_ACCESS_GET( unsigned char, encoding );
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ELFIO_C_HEADER_ACCESS_GET( Elf_Word, version );
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ELFIO_C_HEADER_ACCESS_GET( Elf_Half, header_size );
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ELFIO_C_HEADER_ACCESS_GET( Elf_Half, section_entry_size );
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ELFIO_C_HEADER_ACCESS_GET( Elf_Half, segment_entry_size );
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ELFIO_C_HEADER_ACCESS_GET_SET( unsigned char, os_abi );
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ELFIO_C_HEADER_ACCESS_GET_SET( unsigned char, abi_version );
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ELFIO_C_HEADER_ACCESS_GET_SET( Elf_Half, type );
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ELFIO_C_HEADER_ACCESS_GET_SET( Elf_Half, machine );
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ELFIO_C_HEADER_ACCESS_GET_SET( Elf_Word, flags );
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ELFIO_C_HEADER_ACCESS_GET_SET( Elf64_Addr, entry );
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ELFIO_C_HEADER_ACCESS_GET_SET( Elf64_Off, sections_offset );
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ELFIO_C_HEADER_ACCESS_GET_SET( Elf64_Off, segments_offset );
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ELFIO_C_HEADER_ACCESS_GET_SET( Elf_Half, section_name_str_index );
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Elf_Half elfio_get_sections_num( pelfio_t pelfio );
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psection_t elfio_get_section_by_index( pelfio_t pelfio, int index );
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psection_t elfio_get_section_by_name( pelfio_t pelfio, char* name );
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psection_t elfio_add_section( pelfio_t pelfio, char* name );
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Elf_Half elfio_get_segments_num( pelfio_t pelfio );
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psegment_t elfio_get_segment_by_index( pelfio_t pelfio, int index );
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psegment_t elfio_add_segment( pelfio_t pelfio );
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bool elfio_validate( pelfio_t pelfio, char* msg, int msg_len );
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//-----------------------------------------------------------------------------
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// section
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//-----------------------------------------------------------------------------
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ELFIO_C_GET_ACCESS( section, Elf_Half, index );
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ELFIO_C_GET_SET_ACCESS( section, Elf_Word, type );
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ELFIO_C_GET_SET_ACCESS( section, Elf_Xword, flags );
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ELFIO_C_GET_SET_ACCESS( section, Elf_Word, info );
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ELFIO_C_GET_SET_ACCESS( section, Elf_Word, link );
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ELFIO_C_GET_SET_ACCESS( section, Elf_Xword, addr_align );
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ELFIO_C_GET_SET_ACCESS( section, Elf_Xword, entry_size );
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ELFIO_C_GET_SET_ACCESS( section, Elf64_Addr, address );
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ELFIO_C_GET_SET_ACCESS( section, Elf_Xword, size );
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ELFIO_C_GET_SET_ACCESS( section, Elf_Word, name_string_offset );
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ELFIO_C_GET_ACCESS( section, Elf64_Off, offset );
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void elfio_section_get_name( psection_t psection, char* buffer, int len );
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void elfio_section_set_name( psection_t psection, char* buffer );
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char* elfio_section_get_data( psection_t psection );
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void elfio_section_set_data( psection_t psection,
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const char* pData,
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Elf_Word size );
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void elfio_section_append_data( psection_t psection,
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const char* pData,
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Elf_Word size );
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//-----------------------------------------------------------------------------
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// segment
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//-----------------------------------------------------------------------------
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ELFIO_C_GET_ACCESS( segment, Elf_Half, index );
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ELFIO_C_GET_SET_ACCESS( segment, Elf_Word, type );
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ELFIO_C_GET_SET_ACCESS( segment, Elf_Word, flags );
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ELFIO_C_GET_SET_ACCESS( segment, Elf_Xword, align );
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ELFIO_C_GET_SET_ACCESS( segment, Elf_Xword, memory_size );
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ELFIO_C_GET_SET_ACCESS( segment, Elf64_Addr, virtual_address );
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ELFIO_C_GET_SET_ACCESS( segment, Elf64_Addr, physical_address );
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ELFIO_C_GET_SET_ACCESS( segment, Elf_Xword, file_size );
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ELFIO_C_GET_ACCESS( segment, Elf64_Off, offset );
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char* elfio_segment_get_data( psegment_t psegment );
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Elf_Half elfio_segment_add_section_index( psegment_t psegment,
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Elf_Half index,
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Elf_Xword addr_align );
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Elf_Half elfio_segment_get_sections_num( psegment_t psegment );
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Elf_Half elfio_segment_get_section_index_at( psegment_t psegment,
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Elf_Half num );
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bool elfio_segment_is_offset_initialized( psegment_t psegment );
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//-----------------------------------------------------------------------------
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// symbol
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//-----------------------------------------------------------------------------
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psymbol_t elfio_symbol_section_accessor_new( pelfio_t pelfio,
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psection_t psection );
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void elfio_symbol_section_accessor_delete( psymbol_t psymbol );
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Elf_Xword elfio_symbol_get_symbols_num( psymbol_t psymbol );
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bool elfio_symbol_get_symbol( psymbol_t psymbol,
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Elf_Xword index,
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char* name,
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int name_len,
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Elf64_Addr* value,
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Elf_Xword* size,
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unsigned char* bind,
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unsigned char* type,
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Elf_Half* section_index,
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unsigned char* other );
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Elf_Word elfio_symbol_add_symbol( psymbol_t psymbol,
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Elf_Word name,
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Elf64_Addr value,
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Elf_Xword size,
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unsigned char info,
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unsigned char other,
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Elf_Half shndx );
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Elf_Xword elfio_symbol_arrange_local_symbols(
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psymbol_t psymbol,
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void ( *func )( Elf_Xword first, Elf_Xword second ) );
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//-----------------------------------------------------------------------------
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// relocation
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//-----------------------------------------------------------------------------
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prelocation_t elfio_relocation_section_accessor_new( pelfio_t pelfio,
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psection_t psection );
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void elfio_relocation_section_accessor_delete( prelocation_t prelocation );
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Elf_Xword elfio_relocation_get_entries_num( prelocation_t prelocation );
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bool elfio_relocation_get_entry( prelocation_t prelocation,
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Elf_Xword index,
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Elf64_Addr* offset,
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Elf_Word* symbol,
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Elf_Word* type,
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Elf_Sxword* addend );
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bool elfio_relocation_set_entry( prelocation_t prelocation,
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Elf_Xword index,
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Elf64_Addr offset,
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Elf_Word symbol,
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Elf_Word type,
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Elf_Sxword addend );
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void elfio_relocation_add_entry( prelocation_t prelocation,
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Elf64_Addr offset,
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Elf_Word symbol,
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unsigned char type,
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Elf_Sxword addend );
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void elfio_relocation_swap_symbols( prelocation_t prelocation,
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Elf_Xword first,
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Elf_Xword second );
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//-----------------------------------------------------------------------------
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// string
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//-----------------------------------------------------------------------------
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pstring_t elfio_string_section_accessor_new( psection_t psection );
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void elfio_string_section_accessor_delete( pstring_t pstring );
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const char* elfio_string_get_string( pstring_t pstring, Elf_Word index );
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Elf_Word elfio_string_add_string( pstring_t pstring, char* str );
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//-----------------------------------------------------------------------------
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// note
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//-----------------------------------------------------------------------------
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pnote_t elfio_note_section_accessor_new( pelfio_t pelfio,
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psection_t psection );
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void elfio_note_section_accessor_delete( pnote_t pstring );
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Elf_Word elfio_note_get_notes_num( pnote_t pnote );
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bool elfio_note_get_note( pnote_t pnote,
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Elf_Word index,
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Elf_Word* type,
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char* name,
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int name_len,
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void** desc,
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Elf_Word* descSize );
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void elfio_note_add_note( pnote_t pnote,
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Elf_Word type,
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const char* name,
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const void* desc,
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Elf_Word descSize );
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//-----------------------------------------------------------------------------
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// modinfo
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//-----------------------------------------------------------------------------
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pmodinfo_t elfio_modinfo_section_accessor_new( psection_t psection );
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void elfio_modinfo_section_accessor_delete( pmodinfo_t pmodinfo );
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Elf_Word elfio_modinfo_get_attribute_num( pmodinfo_t pmodinfo );
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bool elfio_modinfo_get_attribute( pmodinfo_t pmodinfo,
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Elf_Word no,
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char* field,
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int field_len,
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char* value,
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int value_len );
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bool elfio_modinfo_get_attribute_by_name( pmodinfo_t pmodinfo,
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char* field_name,
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char* value,
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int value_len );
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Elf_Word elfio_modinfo_add_attribute( pmodinfo_t pmodinfo,
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char* field,
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char* value );
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//-----------------------------------------------------------------------------
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// dynamic
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//-----------------------------------------------------------------------------
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pdynamic_t elfio_dynamic_section_accessor_new( pelfio_t pelfio,
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psection_t psection );
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void elfio_dynamic_section_accessor_delete( pdynamic_t pdynamic );
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Elf_Xword elfio_dynamic_get_entries_num( pdynamic_t pdynamic );
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bool elfio_dynamic_get_entry( pdynamic_t pdynamic,
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Elf_Xword index,
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Elf_Xword* tag,
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Elf_Xword* value,
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char* str,
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int str_len );
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void elfio_dynamic_add_entry( pdynamic_t pdynamic,
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Elf_Xword tag,
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Elf_Xword value );
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//-----------------------------------------------------------------------------
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// array
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//-----------------------------------------------------------------------------
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parray_t elfio_array_section_accessor_new( pelfio_t pelfio,
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psection_t psection );
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void elfio_array_section_accessor_delete( parray_t parray );
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Elf_Xword elfio_array_get_entries_num( parray_t parray );
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bool elfio_array_get_entry( parray_t parray,
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Elf_Xword index,
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Elf64_Addr* paddress );
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void elfio_array_add_entry( parray_t parray, Elf64_Addr address );
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#ifdef __cplusplus
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}
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#endif
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#endif // ELFIO_C_WRAPPER_H
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