char* xed_upcase_buf(char* s) { xed_uint_t len = XED_STATIC_CAST(xed_uint_t,strlen(s)); xed_uint_t i; for(i=0 ; i < len ; i++ ) s[i] = XED_STATIC_CAST(char,xed_toupper(s[i])); return s; }
xed_int64_t xed_atoi_hex(char* buf) { xed_int64_t o=0; xed_uint_t i; xed_uint_t len = XED_STATIC_CAST(xed_uint_t,strlen(buf)); for(i=0; i<len ; i++) o = o*16 + convert_nibble(buf[i]); return o; }
int main(int argc, char** argv) { xed_error_enum_t xed_error; xed_bool_t long_mode = 0; xed_bool_t prot16 = 0; unsigned int first_argv; 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_encoder_request_t* enc_req; xed_uint8_t array[XED_MAX_INSTRUCTION_BYTES]; unsigned int enc_olen, ilen = XED_MAX_INSTRUCTION_BYTES; xed_error_enum_t encode_okay; xed_bool_t change_to_long_mode = 0; xed_tables_init(); xed_set_verbosity( 99 ); if (argc > 2 && strcmp(argv[1], "-64") == 0) long_mode = 1; else if (argc > 2 && strcmp(argv[1], "-16") == 0) prot16 = 1; if (long_mode) { first_argv = 2; mmode=XED_MACHINE_MODE_LONG_64; stack_addr_width =XED_ADDRESS_WIDTH_64b; } else if (prot16) { first_argv = 2; mmode=XED_MACHINE_MODE_LEGACY_16; stack_addr_width =XED_ADDRESS_WIDTH_16b; } else { first_argv=1; 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=first_argv ;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 ", XED_STATIC_CAST(unsigned int,itext[u])); printf("\n"); xed_error = xed_decode(&xedd, XED_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); } //memset(buffer,0,BUFLEN); xed_decoded_inst_dump(&xedd,buffer, BUFLEN); printf("%s\n",buffer); for(isyntax= XED_SYNTAX_XED; isyntax < XED_SYNTAX_LAST; isyntax++) { syntax = XED_STATIC_CAST(xed_syntax_enum_t, isyntax); ok = xed_format_context(syntax, &xedd, buffer, BUFLEN, 0, 0, 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)); } printf("\n\nPreparing to encode ...\n"); enc_req = &xedd; // they are basically the same now // convert decode structure to proper encode structure xed_encoder_request_init_from_decode(&xedd); change_to_long_mode = 0; if (change_to_long_mode) { // change to 64b mode xed_state_t state; xed_operand_values_t* ov; xed_state_init2(&state,XED_MACHINE_MODE_LONG_64,XED_ADDRESS_WIDTH_64b); ov = xed_decoded_inst_operands(&xedd); xed_operand_values_set_mode(ov, &state); xed_encoder_request_set_effective_address_size(enc_req, 64); // need to fix base regs... //xed_operand_values_set_operand_reg(ov, XED_OPERAND_BASE0, XED_REG_RSI); xed_encoder_request_set_effective_operand_width(enc_req, 32); } printf("Encoding...\n"); encode_okay = xed_encode(enc_req, array, ilen, &enc_olen); if (encode_okay != XED_ERROR_NONE) { printf("Error code = %s\n", xed_error_enum_t2str(encode_okay)); } else { unsigned int j; printf("Encodable: "); for(j=0;j<enc_olen;j++) { printf("%02x", array[j]); } printf("\n"); } return 0; }
int main(int argc, char** argv) { xed_error_enum_t xed_error; xed_bool_t long_mode = 0; xed_bool_t real_mode = 0; xed_bool_t protected_16 = 0; xed_state_t dstate; unsigned int first_argv; 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; unsigned int memop_index = 0; unsigned int memops = 0; xed_uint64_t out_addr = 0; xed_tables_init(); xed_agen_register_callback( register_callback, segment_callback); xed_state_zero(&dstate); xed_set_verbosity( 99 ); if (argc > 2 && strcmp(argv[1], "-64") == 0) long_mode = 1; if (argc > 2 && strcmp(argv[1], "-r") == 0) real_mode = 1; if (argc > 2 && strcmp(argv[1], "-16") == 0) protected_16 = 1; if (long_mode) { first_argv = 2; dstate.mmode=XED_MACHINE_MODE_LONG_64; } else if (protected_16) { first_argv = 2; xed_state_init(&dstate, XED_MACHINE_MODE_LEGACY_16, XED_ADDRESS_WIDTH_16b, XED_ADDRESS_WIDTH_16b); } else if (real_mode) { first_argv = 2; /* we say that real mode uses 16b addressing even though the addresses returned are 20b long. */ xed_state_init(&dstate, XED_MACHINE_MODE_REAL_16, XED_ADDRESS_WIDTH_16b, XED_ADDRESS_WIDTH_16b); } else { first_argv=1; xed_state_init(&dstate, XED_MACHINE_MODE_LEGACY_32, XED_ADDRESS_WIDTH_32b, XED_ADDRESS_WIDTH_32b); } xed_decoded_inst_zero_set_mode(&xedd, &dstate); for( i=first_argv ;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 ", XED_STATIC_CAST(unsigned int,itext[u])); printf("\n"); xed_error = xed_decode(&xedd, XED_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 = XED_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)); } memops = xed_decoded_inst_number_of_memory_operands(&xedd); printf("\nNumber of memory operands: %d\n", (int)memops); for(memop_index=0;memop_index<memops;memop_index++) { xed_error = xed_agen(&xedd, memop_index, 0, &out_addr); if (xed_error != XED_ERROR_NONE) { fprintf(stderr,"Agen error code %s\n", xed_error_enum_t2str(xed_error)); exit(1); } printf("\tMemory agen%d: " XED_FMT_LX "\n", (int)memop_index, out_addr); } return 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; format_options.no_sign_extend_signed_immediates=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], "-no-sign-extend") == 0) format_options.no_sign_extend_signed_immediates=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 ", XED_STATIC_CAST(unsigned int,itext[u])); printf("\n"); xed_error = xed_decode(&xedd, XED_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 = XED_STATIC_CAST(xed_syntax_enum_t, isyntax); ok = xed_format_context(syntax, &xedd, buffer, BUFLEN, 0, 0, 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; }