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/***************************************************************************************************
Zyan Disassembler Library (Zydis)
Original Author : Florian Bernd
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
***************************************************************************************************/
/**
* @file
* Demonstrates the tokenizing feature of the `ZydisFormatter` class.
*/
#include <inttypes.h>
#include <Zycore/Format.h>
#include <Zycore/LibC.h>
#include <Zydis/Zydis.h>
/* ============================================================================================== */
/* Static data */
/* ============================================================================================== */
static const char* const TOKEN_TYPES[] =
{
"INVALID ",
"WHITESPACE ",
"DELIMITER ",
"PARENTHESIS_OPEN ",
"PARENTHESIS_CLOSE",
"PREFIX ",
"MNEMONIC ",
"REGISTER ",
"ADDRESS_ABS ",
"ADDRESS_REL ",
"DISPLACEMENT ",
"IMMEDIATE ",
"TYPECAST ",
"DECORATOR ",
"SYMBOL "
};
/* ============================================================================================== */
/* Helper functions */
/* ============================================================================================== */
static void DisassembleBuffer(ZydisDecoder* decoder, ZyanU8* data, ZyanUSize length)
{
ZydisFormatter formatter;
ZydisFormatterInit(&formatter, ZYDIS_FORMATTER_STYLE_INTEL);
ZydisFormatterSetProperty(&formatter, ZYDIS_FORMATTER_PROP_FORCE_SEGMENT, ZYAN_TRUE);
ZydisFormatterSetProperty(&formatter, ZYDIS_FORMATTER_PROP_FORCE_SIZE, ZYAN_TRUE);
ZyanU64 runtime_address = 0x007FFFFFFF400000;
ZydisDecodedInstruction instruction;
ZydisDecodedOperand operands[ZYDIS_MAX_OPERAND_COUNT];
char buffer[256];
while (ZYAN_SUCCESS(ZydisDecoderDecodeFull(decoder, data, length, &instruction, operands)))
{
const ZydisFormatterToken* token;
if (ZYAN_SUCCESS(ZydisFormatterTokenizeInstruction(&formatter, &instruction, operands,
instruction.operand_count_visible , &buffer[0], sizeof(buffer), runtime_address,
&token, ZYAN_NULL)))
{
ZydisTokenType token_type;
ZyanConstCharPointer token_value = ZYAN_NULL;
while (token)
{
ZydisFormatterTokenGetValue(token, &token_type, &token_value);
printf("ZYDIS_TOKEN_%17s (%02X): \"%s\"\n", TOKEN_TYPES[token_type], token_type,
token_value);
if (!ZYAN_SUCCESS(ZydisFormatterTokenNext(&token)))
{
token = ZYAN_NULL;
}
}
}
data += instruction.length;
length -= instruction.length;
runtime_address += instruction.length;
}
}
/* ============================================================================================== */
/* Entry point */
/* ============================================================================================== */
int main(void)
{
if (ZydisGetVersion() != ZYDIS_VERSION)
{
fputs("Invalid zydis version\n", ZYAN_STDERR);
return EXIT_FAILURE;
}
ZyanU8 data[] =
{
// vcmpps k2 {k7}, zmm2, dword ptr ds:[rax + rbx*4 + 0x100] {1to16}, 0x0F
0x62, 0xF1, 0x6C, 0x5F, 0xC2, 0x54, 0x98, 0x40, 0x0F
};
ZydisDecoder decoder;
ZydisDecoderInit(&decoder, ZYDIS_MACHINE_MODE_LONG_64, ZYDIS_STACK_WIDTH_64);
DisassembleBuffer(&decoder, &data[0], sizeof(data));
return 0;
}
/* ============================================================================================== */
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