Exemplo n.º 1
0
static int setSects( orl_file_handle o_fhnd )
/*******************************************/
{
    int           i;

    memset( sections, 0, DR_DEBUG_NUM_SECTS * sizeof(unsigned_32) );
    memset( sectsizes, 0, DR_DEBUG_NUM_SECTS * sizeof(unsigned_32) );

    if( ORLFileScan( o_fhnd, secNames[0], &ReadDbgInfoSec ) != ORL_OKAY ) {
        printf( "Error reading %s section\n", secNames[0] );
        return( 1 );
    }
    if( ORLFileScan( o_fhnd, secNames[1], &ReadAbbrevSec ) != ORL_OKAY ) {
        printf( "Error reading %s section\n", secNames[1] );
        return( 2 );
    }
    if( ORLFileScan( o_fhnd, secNames[2], &ReadLineSec ) != ORL_OKAY ) {
        printf( "Error reading %s section\n", secNames[2] );
        return( 3 );
    }
    if( ORLFileScan( o_fhnd, secNames[3], &ReadMacinfoSec ) != ORL_OKAY ) {
        printf( "Error reading %s section\n", secNames[3] );
        return( 4 );
    }
    if( ORLFileScan( o_fhnd, secNames[4], &ReadRefSec ) != ORL_OKAY ) {
        printf( "Error reading %s section\n", secNames[4] );
        return( 5 );
    }
    if( ORLFileScan( o_fhnd, secNames[5], &ReadStrSec ) != ORL_OKAY ) {
        printf( "Error reading %s section\n", secNames[5] );
        return( 6 );
    }
    if( ORLFileScan( o_fhnd, secNames[6], &ReadARSec ) != ORL_OKAY ) {
        printf( "Error reading %s section\n", secNames[6] );
        return( 6 );
    }

    for( i = 0; i < DR_DEBUG_NUM_SECTS; i += 1 ) {
        Sections[i].cur_offset = 0;
        Sections[i].max_offset = sectsizes[i];

        if( sectsizes[i] != 0 ) {
            Sections[i].data = malloc( sectsizes[i] );
            if( Sections[i].data == NULL ) {
                fprintf( stderr, "Not enough memory\n" );
                exit(1);
            }
            memcpy(Sections[i].data, sections[i], sectsizes[i] );
        }
    }
    return( 0 );
}
Exemplo n.º 2
0
void Fini( void )
{
    freeSectionList( &Sections );
    freeLabelList( 0 );
    ORLFileScan( ObjFileHnd, NULL, &SectionFini );
    if( Options & PRINT_PUBLICS ) {
        freePublics();
    }
    FreeHashTables();
    FreeServicesUsed();
    CloseFiles();
    MemPrtList();
    MemClose();
    MsgFini();
}
Exemplo n.º 3
0
static return_val initSectionTables( void )
{
    return_val          error;
    orl_return          o_error;
    section_ptr         sec;

    // list for references to external functions, etc.
    error = createLabelList( 0 );
    if( error == OKAY ) {
        o_error = ORLFileScan( ObjFileHnd, NULL, &sectionInit );
        if( o_error == ORL_OKAY && symbolTable ) {
            o_error = DealWithSymbolSection( symbolTable );
            if( o_error == ORL_OKAY && dynSymTable ) {
                o_error = DealWithSymbolSection( dynSymTable );
            }
            if( o_error == ORL_OKAY ) {
                sec = relocSections.first;
                while( sec ) {
                    o_error = DealWithRelocSection( sec->shnd );
                    if( o_error != ORL_OKAY ) {
                        if( o_error == ORL_OUT_OF_MEMORY ) {
                            return( OUT_OF_MEMORY );
                        } else {
                            return( ERROR );
                        }
                    }
                    relocSections.first = sec->next;
                    MemFree( sec );
                    sec = relocSections.first;
                }
                error = processDrectveSection( drectveSection );
            } else {
                if( o_error == ORL_OUT_OF_MEMORY ) {
                    return( OUT_OF_MEMORY );
                } else {
                    return( ERROR );
                }
            }
        }
    }
    return( error );
}
Exemplo n.º 4
0
int main( int argc, char *argv[] )
/********************************/
{
    orl_handle                  o_hnd;
    orl_file_handle             o_fhnd;
    orl_funcs                   funcs;
    int                         file;
    orl_file_flags              file_flags;
    orl_machine_type            machine_type;
    orl_file_type               file_type;
    orl_file_format             type;
    int                         c;
    int                         sep;
    char                        *secs[MAX_SECS];
    int                         num_secs = 0;

    if( argc < 2 ) {
        printf( "Usage:  objread [-ahrsSx] [-o<section>] <objfile>\n" );
        printf( "Where <objfile> is a COFF, ELF or OMF object file\n" );
        printf( "objread reads and dumps an object using ORL\n" );
        printf( "Options: -a     dumps all information (except hex dump)\n" );
        printf( "         -h     dumps file header information\n" );
        printf( "         -r     dumps relocation information\n" );
        printf( "         -s     dumps symbol table\n" );
        printf( "         -S     dumps section information\n" );
        printf( "         -x     get hex dump of section content\n" );
        printf( "         -o     only scan <section> for info\n" );
        return( 1 );
    }
    while( (c = getopt( argc, argv, "axhrsSo:" )) != EOF ) {
        switch( c ) {
            case 'a':
                dump.relocs++;
                dump.header++;
                dump.symbols++;
                dump.sections++;
                break;
            case 'x':
                dump.sec_contents++;
                break;
            case 'h':
                dump.header++;
                break;
            case 'r':
                dump.relocs++;
                break;
            case 's':
                dump.symbols++;
                break;
            case 'S':
                dump.sections++;
                break;
            case 'o':
                secs[num_secs++] = optarg;
                break;
            default:
                // error occured
                exit(1);
        };
    };
    if( optind != argc - 1 ) {
        fprintf( stderr, "must specify 1 filename\n" );
        exit(1);
    }

    file = open( argv[optind], O_BINARY | O_RDONLY );
    if( file == -1 ) {
        printf( "Error opening file.\n" );
        return( 2 );
    }
    TRMemOpen();
    funcs.read = &objRead;
    funcs.seek = &objSeek;
    funcs.alloc = &TRMemAlloc;
    funcs.free = &TRMemFree;
    o_hnd = ORLInit( &funcs );
    if( o_hnd == NULL ) {
        printf( "Got NULL orl_handle.\n" );
        return( 2 );
    }
    type = ORLFileIdentify( o_hnd, (void *)file );
    if( type == ORL_UNRECOGNIZED_FORMAT ) {
        printf( "The object file is not in either ELF, COFF or OMF format." );
        return( 1 );
    }
    switch( type ) {
    case ORL_ELF:
        printf( "ELF" );
        break;
    case ORL_COFF:
        printf( "COFF" );
        break;
    case ORL_OMF:
        printf( "OMF" );
        break;
    default:
        printf( "Unknown" );
        break;
    }
    printf( " object file.\n" );
    o_fhnd = ORLFileInit( o_hnd, (void *)file, type );
    if( o_fhnd == NULL ) {
        printf( "Got NULL orl_file_handle.\n" );
        return( 2 );
    }
    if( dump.header ) {
        printf( "File %s:\n", argv[optind] );
        machine_type = ORLFileGetMachineType( o_fhnd );
        printf( "Machine Type: " );
        if( machine_type >= ( sizeof( machType ) / sizeof( *machType ) ) ) {
            // We've probably added some new types?
            printf( "?(%d)", machine_type );
        } else {
            printf( "%s", machType[ machine_type ] );
        }
        file_type = ORLFileGetType( o_fhnd );
        printf( " (" );
        switch( file_type ) {
            case ORL_FILE_TYPE_NONE:
                printf( "file_type_none" );
                break;
            case ORL_FILE_TYPE_OBJECT:
                printf( "object file" );
                break;
            case ORL_FILE_TYPE_EXECUTABLE:
                printf( "executable" );
                break;
            case ORL_FILE_TYPE_SHARED_OBJECT:
                printf( "shared object" );
                break;
            case ORL_FILE_TYPE_DLL:
                printf( "DLL" );
                break;
            default:
                printf( "unknown file type?" );
                break;
        }
        printf( ")\n" );
        file_flags = ORLFileGetFlags( o_fhnd );
        //printf(" File flags=0x%x\n", file_flags );
        sep = 0;
        if( file_flags & ORL_FILE_FLAG_LINE_NUMS_STRIPPED ) {
            printf( "line number info stripped" );
            sep = 1;
        }
        if( file_flags & ORL_FILE_FLAG_RELOCS_STRIPPED ) {
            if( sep++ ) printf( ", " );
            printf( "relocs stripped" );
        }
        if( file_flags & ORL_FILE_FLAG_LOCAL_SYMS_STRIPPED ) {
            if( sep++ ) printf( ", " );
            printf( "local symbols stripped" );
        }
        if( file_flags & ORL_FILE_FLAG_DEBUG_STRIPPED ) {
            if( sep++ ) printf( ", " );
            printf( "debug info stripped" );
        }
        if( file_flags & ORL_FILE_FLAG_16BIT_MACHINE ) {
            if( sep++ ) printf( ", " );
            printf( "for 16-bit machine" );
        }
        if( file_flags & ORL_FILE_FLAG_32BIT_MACHINE ) {
            if( sep++ ) printf( ", " );
            printf( "for 32-bit machine" );
        }
        if( file_flags & ORL_FILE_FLAG_64BIT_MACHINE ) {
            if( sep++ ) printf( ", " );
            printf( "for 64-bit machine" );
        }
        if( file_flags & ORL_FILE_FLAG_LITTLE_ENDIAN ) {
            if( sep++ ) printf( ", " );
            printf( "little-endian byte order" );
        }
        if( file_flags & ORL_FILE_FLAG_BIG_ENDIAN ) {
            if( sep++ ) printf( ", " );
            printf( "big-endian byte order" );
        }
        if( file_flags & ORL_FILE_FLAG_SYSTEM ) {
            if( sep++ ) printf( ", " );
            printf( "system file" );
        }
        if( sep ) printf( "\n" );
    }
    if( num_secs ) {
        for( c = 0; c < num_secs; c++ ) {
            sectionFound = 0;
            if( ORLFileScan( o_fhnd, secs[c], &PrintSecInfo ) != ORL_OKAY ) {
                printf( "Error occured in scanning section '%s'.\n", secs[c] );
            }
            if( !sectionFound ) {
                printf( "Section '%s' not found in object.\n", secs[c] );
            }
        }
    } else {
        if( ORLFileScan( o_fhnd, NULL, &PrintSecInfo ) != ORL_OKAY ) {
            printf( "Error occured in scanning file.\n" );
            return( 2 );
        }
    }
    if( ORLFileScan( o_fhnd, ".symtab", &PrintSymTable ) != ORL_OKAY ) {
        printf( "Error occured in scanning file for symbol table\n" );
        return( 2 );
    }
    if( ORLFileFini( o_fhnd ) != ORL_OKAY ) {
        printf( "Error calling ORLFileFini.\n" );
        return( 2 );
    }
    if( close( file ) == -1 ) {
        printf( "Error closing file.\n" );
        return( 2 );
    }
    if( ORLFini( o_hnd ) != ORL_OKAY ) {
        printf( "Error calling ORLFini.\n" );
    }
    freeBuffList();
#ifdef TRMEM
    TRMemPrtList();
#endif
    TRMemClose();
    return( 0 );
}
Exemplo n.º 5
0
int main( int argc, char *argv[] )
/********************************/
{
    orl_handle                  o_hnd;
    orl_file_handle             o_fhnd;
    orl_file_format             type;
    orl_file_flags              o_flags;
    FILE                        *fp;
    int                         c;
    char                        *secs[MAX_SECS];
    int                         num_secs = 0;
    ORLSetFuncs( orl_cli_funcs, objRead, objSeek, TRMemAlloc, TRMemFree );

    if( argc < 2 ) {
        printf( "Usage:  dwdump <file>\n" );
        printf( "Where <file> is a COFF, ELF or OMF object file\n" );
        printf( "dwdump reads and dumps DWARF debugging information\n" );
        return( EXIT_SUCCESS );
    }

    dump.sections++;

    fp = fopen( argv[1], "rb" );
    if( fp == NULL ) {
        printf( "Error opening file.\n" );
        return( EXIT_FAILURE );
    }
    TRMemOpen();
    o_hnd = ORLInit( &orl_cli_funcs );
    if( o_hnd == NULL ) {
        printf( "Got NULL orl_handle.\n" );
        return( EXIT_FAILURE );
    }
    type = ORLFileIdentify( o_hnd, fp );
    if( type == ORL_UNRECOGNIZED_FORMAT ) {
        printf( "The object file is not in either ELF, COFF or OMF format." );
        return( EXIT_FAILURE );
    }
    switch( type ) {
    case ORL_OMF:
        printf( "OMF" );
        break;
    case ORL_ELF:
        printf( "ELF" );
        break;
    case ORL_COFF:
        printf( "COFF" );
        break;
    default:
        printf( "Unknown" );
        break;
    }
    printf( " object file.\n" );
    o_fhnd = ORLFileInit( o_hnd, fp, type );
    if( o_fhnd == NULL ) {
        printf( "Got NULL orl_file_handle.\n" );
        return( EXIT_FAILURE );
    }

    o_flags = ORLFileGetFlags( o_fhnd );

#ifdef __BIG_ENDIAN__
    if( o_flags & ORL_FILE_FLAG_LITTLE_ENDIAN ) {
        byte_swap = true;
    }
#else
    if( o_flags & ORL_FILE_FLAG_BIG_ENDIAN ) {
        byte_swap = true;
    }
#endif

    if( num_secs ) {
        for( c = 0; c < num_secs; c++ ) {
            sectionFound = 0;
            if( ORLFileScan( o_fhnd, secs[c], &DoSection ) != ORL_OKAY ) {
                printf( "Error occured in scanning section '%s'.\n", secs[c] );
            }
            if( !sectionFound ) {
                printf( "Section '%s' not found in object.\n", secs[c] );
            }
        }
    } else {
        if( ORLFileScan( o_fhnd, NULL, &DoSection ) != ORL_OKAY ) {
            printf( "Error occured in scanning file.\n" );
            return( EXIT_FAILURE );
        }
    }

    setSects( o_fhnd );

    if( ORLFileFini( o_fhnd ) != ORL_OKAY ) {
        printf( "Error calling ORLFileFini.\n" );
        return( EXIT_FAILURE );
    }
    if( fclose( fp ) ) {
        printf( "Error closing file.\n" );
        return( EXIT_FAILURE );
    }
    if( ORLFini( o_hnd ) != ORL_OKAY ) {
        printf( "Error calling ORLFini.\n" );
    }

    DumpSections();

    freeBuffList();
#ifdef TRMEM
    TRMemPrtList();
#endif
    TRMemClose();
    return( EXIT_SUCCESS );
}