Beispiel #1
0
/* XED2 initialization */
void xed2_init() 
{
  xed_tables_init ();
  xed_state_zero (&dstate);

  xed_state_init(&dstate,
    XED_MACHINE_MODE_LEGACY_32,
    XED_ADDRESS_WIDTH_32b,
    XED_ADDRESS_WIDTH_32b);

  // Format options
  xed_format_options_t xed_foptions;
  xed_foptions.hex_address_before_symbolic_name = 1;
  xed_foptions.no_sign_extend_signed_immediates = 1;
  xed_foptions.omit_unit_scale = 1;
  xed_foptions.xml_a = 0;
  xed_foptions.xml_f = 0;
  xed_format_set_options(xed_foptions);
}
Beispiel #2
0
int 
main(int argc, char** argv)
{
    xed_error_enum_t xed_error;

    xed_bool_t long_mode = 0;
    unsigned int bytes = 0;
    unsigned char itext[XED_MAX_INSTRUCTION_BYTES];
    int i;
    unsigned int u;
    xed_decoded_inst_t xedd;
#define BUFLEN  1000
    char buffer[BUFLEN];
    xed_bool_t ok;
    unsigned int isyntax;
    xed_syntax_enum_t syntax;
    xed_machine_mode_enum_t mmode;
    xed_address_width_enum_t stack_addr_width;
    xed_format_options_t format_options;

    // one time initialization 
    xed_tables_init();
    xed_set_verbosity( 99 );
    memset(&format_options,0, sizeof(format_options));
    format_options.hex_address_before_symbolic_name=0;
    format_options.xml_a=0;
    format_options.omit_unit_scale=0;

    for(i=1;i<argc;i++) {
        if (strcmp(argv[i], "-xml") == 0) 
            format_options.xml_a=1;
        else if (strcmp(argv[i], "-no-unit-scale") == 0) 
            format_options.omit_unit_scale=1;
        else if (strcmp(argv[i], "-64") == 0) 
            long_mode = 1;
        else 
            break;
    }

    xed_format_set_options( format_options );

    /// begin processing of instructions...

    if (long_mode) {
        mmode=XED_MACHINE_MODE_LONG_64;
        stack_addr_width =XED_ADDRESS_WIDTH_64b;
    }
    else {
        mmode=XED_MACHINE_MODE_LEGACY_32;
        stack_addr_width =XED_ADDRESS_WIDTH_32b;
    }

    xed_decoded_inst_zero(&xedd);
    xed_decoded_inst_set_mode(&xedd, mmode, stack_addr_width);

    for(  ;i < argc; i++)    {
        xed_uint8_t x = (xed_uint8_t)(xed_atoi_hex(argv[i]));
        assert(bytes < XED_MAX_INSTRUCTION_BYTES);
        itext[bytes++] = x;
    }
    if (bytes == 0)    {
        fprintf(stderr, "Must supply some hex bytes\n");
        exit(1);
    }

    printf("PARSING BYTES: ");
    for( u=0;u<bytes; u++) 
        printf("%02x ", STATIC_CAST(unsigned int,itext[u]));
    printf("\n");

    xed_error = xed_decode(&xedd, 
                           REINTERPRET_CAST(const xed_uint8_t*,itext),
                           bytes);
    switch(xed_error)
    {
      case XED_ERROR_NONE:
        break;
      case XED_ERROR_BUFFER_TOO_SHORT:
        fprintf(stderr,"Not enough bytes provided\n");
        exit(1);
      case XED_ERROR_GENERAL_ERROR:
        fprintf(stderr,"Could not decode given input.\n");
        exit(1);
      default:
        fprintf(stderr,"Unhandled error code %s\n", xed_error_enum_t2str(xed_error));
        exit(1);
    }
        

    xed_decoded_inst_dump(&xedd,buffer, BUFLEN);
    printf("%s\n",buffer);


    for(isyntax=  XED_SYNTAX_XED; isyntax < XED_SYNTAX_LAST; isyntax++)    {
        syntax = STATIC_CAST(xed_syntax_enum_t, isyntax);
        ok = xed_format(syntax, &xedd, buffer, BUFLEN, 0);
        if (ok)
            printf("%s syntax: %s\n", xed_syntax_enum_t2str(syntax), buffer);
        else
            printf("Error disassembling %s syntax\n", xed_syntax_enum_t2str(syntax));
    }
    return 0;
}