Zydis  v4.0.0
DecoderTypes.h
Go to the documentation of this file.
1 /***************************************************************************************************
2 
3  Zyan Disassembler Library (Zydis)
4 
5  Original Author : Florian Bernd
6 
7  * Permission is hereby granted, free of charge, to any person obtaining a copy
8  * of this software and associated documentation files (the "Software"), to deal
9  * in the Software without restriction, including without limitation the rights
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11  * copies of the Software, and to permit persons to whom the Software is
12  * furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in all
15  * copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24 
25 ***************************************************************************************************/
26 
32 #ifndef ZYDIS_INSTRUCTIONINFO_H
33 #define ZYDIS_INSTRUCTIONINFO_H
34 
35 #include <Zycore/Types.h>
36 #include <Zydis/MetaInfo.h>
37 #include <Zydis/Mnemonic.h>
38 #include <Zydis/Register.h>
39 #include <Zydis/SharedTypes.h>
40 
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44 
45 /* ============================================================================================== */
46 /* Decoded operand */
47 /* ============================================================================================== */
48 
49 /* ---------------------------------------------------------------------------------------------- */
50 /* Operand attributes */
51 /* ---------------------------------------------------------------------------------------------- */
52 
56 typedef ZyanU8 ZydisOperandAttributes;
57 
66 #define ZYDIS_OATTRIB_IS_MULTISOURCE4 0x01 // (1 << 0)
67 
68 /* ---------------------------------------------------------------------------------------------- */
69 /* Memory type */
70 /* ---------------------------------------------------------------------------------------------- */
71 
76 {
77  ZYDIS_MEMOP_TYPE_INVALID,
96 
106 
107 /* ---------------------------------------------------------------------------------------------- */
108 /* Decoded operand */
109 /* ---------------------------------------------------------------------------------------------- */
110 
115 {
119  ZydisRegister value;
121 
126 {
134  ZydisRegister segment;
138  ZydisRegister base;
142  ZydisRegister index;
146  ZyanU8 scale;
151  {
159  ZyanI64 value;
160  } disp;
162 
167 {
168  ZyanU16 segment;
169  ZyanU32 offset;
171 
176 {
180  ZyanBool is_signed;
185  ZyanBool is_relative;
190  {
191  ZyanU64 u;
192  ZyanI64 s;
193  } value;
195 
199 typedef struct ZydisDecodedOperand_
200 {
204  ZyanU8 id;
220  ZyanU16 size;
232  ZyanU16 element_count;
233  /*
234  * Additional operand attributes.
235  */
236  ZydisOperandAttributes attributes;
241  /*
242  * Operand type specific information.
243  *
244  * The enabled union variant is determined by the `type` field.
245  */
246  union
247  {
252  };
254 
255 /* ---------------------------------------------------------------------------------------------- */
256 
257 /* ============================================================================================== */
258 /* Decoded instruction */
259 /* ============================================================================================== */
260 
261 /* ---------------------------------------------------------------------------------------------- */
262 /* CPU/FPU flags */
263 /* ---------------------------------------------------------------------------------------------- */
264 
268 typedef ZyanU32 ZydisAccessedFlagsMask;
269 
282 #define ZYDIS_CPUFLAG_CF (1ul << 0)
283 
286 #define ZYDIS_CPUFLAG_PF (1ul << 2)
287 
290 #define ZYDIS_CPUFLAG_AF (1ul << 4)
291 
294 #define ZYDIS_CPUFLAG_ZF (1ul << 6)
295 
298 #define ZYDIS_CPUFLAG_SF (1ul << 7)
299 
302 #define ZYDIS_CPUFLAG_TF (1ul << 8)
303 
306 #define ZYDIS_CPUFLAG_IF (1ul << 9)
307 
310 #define ZYDIS_CPUFLAG_DF (1ul << 10)
311 
314 #define ZYDIS_CPUFLAG_OF (1ul << 11)
315 
318 #define ZYDIS_CPUFLAG_IOPL (1ul << 12)
319 
322 #define ZYDIS_CPUFLAG_NT (1ul << 14)
323 
326 #define ZYDIS_CPUFLAG_RF (1ul << 16)
327 
330 #define ZYDIS_CPUFLAG_VM (1ul << 17)
331 
334 #define ZYDIS_CPUFLAG_AC (1ul << 18)
335 
338 #define ZYDIS_CPUFLAG_VIF (1ul << 19)
339 
342 #define ZYDIS_CPUFLAG_VIP (1ul << 20)
343 
346 #define ZYDIS_CPUFLAG_ID (1ul << 21)
347 
364 #define ZYDIS_FPUFLAG_C0 (1ul << 0)
365 
368 #define ZYDIS_FPUFLAG_C1 (1ul << 1)
369 
372 #define ZYDIS_FPUFLAG_C2 (1ul << 2)
373 
376 #define ZYDIS_FPUFLAG_C3 (1ul << 3)
377 
382 /*
383  * Information about CPU/FPU flags accessed by the instruction.
384  */
385 typedef struct ZydisAccessedFlags_
386 {
387  /*
388  * As mask containing the flags `TESTED` by the instruction.
389  */
390  ZydisAccessedFlagsMask tested;
391  /*
392  * As mask containing the flags `MODIFIED` by the instruction.
393  */
394  ZydisAccessedFlagsMask modified;
395  /*
396  * As mask containing the flags `SET_0` by the instruction.
397  */
399  /*
400  * As mask containing the flags `SET_1` by the instruction.
401  */
403  /*
404  * As mask containing the flags `UNDEFINED` by the instruction.
405  */
406  ZydisAccessedFlagsMask undefined;
408 
409 /* ---------------------------------------------------------------------------------------------- */
410 /* Branch types */
411 /* ---------------------------------------------------------------------------------------------- */
412 
416 typedef enum ZydisBranchType_
417 {
434 
444 
445 /* ---------------------------------------------------------------------------------------------- */
446 /* SSE/AVX exception-class */
447 /* ---------------------------------------------------------------------------------------------- */
448 
453 {
454  ZYDIS_EXCEPTION_CLASS_NONE,
455  // TODO: FP Exceptions
456  ZYDIS_EXCEPTION_CLASS_SSE1,
457  ZYDIS_EXCEPTION_CLASS_SSE2,
458  ZYDIS_EXCEPTION_CLASS_SSE3,
459  ZYDIS_EXCEPTION_CLASS_SSE4,
460  ZYDIS_EXCEPTION_CLASS_SSE5,
461  ZYDIS_EXCEPTION_CLASS_SSE7,
462  ZYDIS_EXCEPTION_CLASS_AVX1,
463  ZYDIS_EXCEPTION_CLASS_AVX2,
464  ZYDIS_EXCEPTION_CLASS_AVX3,
465  ZYDIS_EXCEPTION_CLASS_AVX4,
466  ZYDIS_EXCEPTION_CLASS_AVX5,
467  ZYDIS_EXCEPTION_CLASS_AVX6,
468  ZYDIS_EXCEPTION_CLASS_AVX7,
469  ZYDIS_EXCEPTION_CLASS_AVX8,
470  ZYDIS_EXCEPTION_CLASS_AVX11,
471  ZYDIS_EXCEPTION_CLASS_AVX12,
472  ZYDIS_EXCEPTION_CLASS_E1,
473  ZYDIS_EXCEPTION_CLASS_E1NF,
474  ZYDIS_EXCEPTION_CLASS_E2,
475  ZYDIS_EXCEPTION_CLASS_E2NF,
476  ZYDIS_EXCEPTION_CLASS_E3,
477  ZYDIS_EXCEPTION_CLASS_E3NF,
478  ZYDIS_EXCEPTION_CLASS_E4,
479  ZYDIS_EXCEPTION_CLASS_E4NF,
480  ZYDIS_EXCEPTION_CLASS_E5,
481  ZYDIS_EXCEPTION_CLASS_E5NF,
482  ZYDIS_EXCEPTION_CLASS_E6,
483  ZYDIS_EXCEPTION_CLASS_E6NF,
484  ZYDIS_EXCEPTION_CLASS_E7NM,
485  ZYDIS_EXCEPTION_CLASS_E7NM128,
486  ZYDIS_EXCEPTION_CLASS_E9NF,
487  ZYDIS_EXCEPTION_CLASS_E10,
488  ZYDIS_EXCEPTION_CLASS_E10NF,
489  ZYDIS_EXCEPTION_CLASS_E11,
490  ZYDIS_EXCEPTION_CLASS_E11NF,
491  ZYDIS_EXCEPTION_CLASS_E12,
492  ZYDIS_EXCEPTION_CLASS_E12NP,
493  ZYDIS_EXCEPTION_CLASS_K20,
494  ZYDIS_EXCEPTION_CLASS_K21,
495  ZYDIS_EXCEPTION_CLASS_AMXE1,
496  ZYDIS_EXCEPTION_CLASS_AMXE2,
497  ZYDIS_EXCEPTION_CLASS_AMXE3,
498  ZYDIS_EXCEPTION_CLASS_AMXE4,
499  ZYDIS_EXCEPTION_CLASS_AMXE5,
500  ZYDIS_EXCEPTION_CLASS_AMXE6,
501 
505  ZYDIS_EXCEPTION_CLASS_MAX_VALUE = ZYDIS_EXCEPTION_CLASS_AMXE6,
511 
512 /* ---------------------------------------------------------------------------------------------- */
513 /* AVX mask mode */
514 /* ---------------------------------------------------------------------------------------------- */
515 
519 typedef enum ZydisMaskMode_
520 {
521  ZYDIS_MASK_MODE_INVALID,
542 
551 } ZydisMaskMode;
552 
553 /* ---------------------------------------------------------------------------------------------- */
554 /* AVX broadcast-mode */
555 /* ---------------------------------------------------------------------------------------------- */
556 
561 {
562  ZYDIS_BROADCAST_MODE_INVALID,
563  ZYDIS_BROADCAST_MODE_1_TO_2,
564  ZYDIS_BROADCAST_MODE_1_TO_4,
565  ZYDIS_BROADCAST_MODE_1_TO_8,
566  ZYDIS_BROADCAST_MODE_1_TO_16,
567  ZYDIS_BROADCAST_MODE_1_TO_32,
568  ZYDIS_BROADCAST_MODE_1_TO_64,
569  ZYDIS_BROADCAST_MODE_2_TO_4,
570  ZYDIS_BROADCAST_MODE_2_TO_8,
571  ZYDIS_BROADCAST_MODE_2_TO_16,
572  ZYDIS_BROADCAST_MODE_4_TO_8,
573  ZYDIS_BROADCAST_MODE_4_TO_16,
574  ZYDIS_BROADCAST_MODE_8_TO_16,
575 
579  ZYDIS_BROADCAST_MODE_MAX_VALUE = ZYDIS_BROADCAST_MODE_8_TO_16,
585 
586 /* ---------------------------------------------------------------------------------------------- */
587 /* AVX rounding-mode */
588 /* ---------------------------------------------------------------------------------------------- */
589 
593 typedef enum ZydisRoundingMode_
594 {
595  ZYDIS_ROUNDING_MODE_INVALID,
612 
622 
623 /* ---------------------------------------------------------------------------------------------- */
624 /* KNC swizzle-mode */
625 /* ---------------------------------------------------------------------------------------------- */
626 
630 typedef enum ZydisSwizzleMode_
631 {
632  ZYDIS_SWIZZLE_MODE_INVALID,
633  ZYDIS_SWIZZLE_MODE_DCBA,
634  ZYDIS_SWIZZLE_MODE_CDAB,
635  ZYDIS_SWIZZLE_MODE_BADC,
636  ZYDIS_SWIZZLE_MODE_DACB,
637  ZYDIS_SWIZZLE_MODE_AAAA,
638  ZYDIS_SWIZZLE_MODE_BBBB,
639  ZYDIS_SWIZZLE_MODE_CCCC,
640  ZYDIS_SWIZZLE_MODE_DDDD,
641 
645  ZYDIS_SWIZZLE_MODE_MAX_VALUE = ZYDIS_SWIZZLE_MODE_DDDD,
651 
652 /* ---------------------------------------------------------------------------------------------- */
653 /* KNC conversion-mode */
654 /* ---------------------------------------------------------------------------------------------- */
655 
660 {
661  ZYDIS_CONVERSION_MODE_INVALID,
662  ZYDIS_CONVERSION_MODE_FLOAT16,
663  ZYDIS_CONVERSION_MODE_SINT8,
664  ZYDIS_CONVERSION_MODE_UINT8,
665  ZYDIS_CONVERSION_MODE_SINT16,
666  ZYDIS_CONVERSION_MODE_UINT16,
667 
671  ZYDIS_CONVERSION_MODE_MAX_VALUE = ZYDIS_CONVERSION_MODE_UINT16,
677 
678 /* ---------------------------------------------------------------------------------------------- */
679 /* Legacy prefix type */
680 /* ---------------------------------------------------------------------------------------------- */
681 
685 typedef enum ZydisPrefixType_
686 {
705 
715 
716 // TODO: Check effective for 66/67 prefixes (currently defaults to EFFECTIVE)
717 
718 /* ---------------------------------------------------------------------------------------------- */
719 /* Decoded instruction */
720 /* ---------------------------------------------------------------------------------------------- */
721 
726 {
730  ZyanU8 W;
734  ZyanU8 R;
738  ZyanU8 X;
742  ZyanU8 B;
754  ZyanU8 offset;
756 
761 {
765  ZyanU8 R;
769  ZyanU8 X;
773  ZyanU8 B;
777  ZyanU8 m_mmmm;
781  ZyanU8 W;
786  ZyanU8 vvvv;
790  ZyanU8 L;
794  ZyanU8 pp;
799  ZyanU8 offset;
801 
806 {
810  ZyanU8 R;
814  ZyanU8 X;
818  ZyanU8 B;
822  ZyanU8 m_mmmm;
826  ZyanU8 W;
831  ZyanU8 vvvv;
835  ZyanU8 L;
839  ZyanU8 pp;
844  ZyanU8 offset;
848  ZyanU8 size;
850 
855 {
859  ZyanU8 R;
863  ZyanU8 X;
867  ZyanU8 B;
871  ZyanU8 R2;
875  ZyanU8 mmm;
879  ZyanU8 W;
884  ZyanU8 vvvv;
888  ZyanU8 pp;
892  ZyanU8 z;
896  ZyanU8 L2;
900  ZyanU8 L;
904  ZyanU8 b;
908  ZyanU8 V2;
912  ZyanU8 aaa;
917  ZyanU8 offset;
919 
924 {
928  ZyanU8 R;
932  ZyanU8 X;
936  ZyanU8 B;
940  ZyanU8 R2;
944  ZyanU8 mmmm;
948  ZyanU8 W;
953  ZyanU8 vvvv;
957  ZyanU8 pp;
961  ZyanU8 E;
965  ZyanU8 SSS;
969  ZyanU8 V2;
973  ZyanU8 kkk;
978  ZyanU8 offset;
980 
985 {
989  ZyanU16 vector_length;
994  {
1002  ZydisRegister reg;
1003  } mask;
1008  {
1015  ZyanBool is_static;
1020  } broadcast;
1025  {
1030  } rounding;
1035  {
1040  } swizzle;
1045  {
1050  } conversion;
1055  ZyanBool has_sae;
1060  // TODO: publish EVEX tuple-type and MVEX functionality
1062 
1067 {
1071  ZydisInstructionCategory category;
1075  ZydisISASet isa_set;
1079  ZydisISAExt isa_ext;
1089 
1095 {
1104  {
1112  ZyanU8 value;
1113  } prefixes[ZYDIS_MAX_INSTRUCTION_LENGTH];
1114 
1115  /*
1116  * Copy of the `encoding` field.
1117  *
1118  * This is here to allow the Rust bindings to treat the following union as an `enum`,
1119  * sparing us a lot of unsafe code. Prefer using the regular `encoding` field in C/C++ code.
1120  */
1121  ZydisInstructionEncoding encoding2;
1122  /*
1123  * Union for things from various mutually exclusive encodings.
1124  */
1125  union
1126  {
1132  };
1133 
1138  {
1142  ZyanU8 mod;
1146  ZyanU8 reg;
1150  ZyanU8 rm;
1155  ZyanU8 offset;
1156  } modrm;
1161  {
1165  ZyanU8 scale;
1169  ZyanU8 index;
1173  ZyanU8 base;
1178  ZyanU8 offset;
1179  } sib;
1184  {
1188  ZyanI64 value;
1192  ZyanU8 size;
1193  // TODO: publish cd8 scale
1198  ZyanU8 offset;
1199  } disp;
1204  {
1208  ZyanBool is_signed;
1213  ZyanBool is_relative;
1218  {
1219  ZyanU64 u;
1220  ZyanI64 s;
1221  } value;
1225  ZyanU8 size;
1230  ZyanU8 offset;
1231  } imm[2];
1233 
1238 {
1246  ZydisMnemonic mnemonic;
1250  ZyanU8 length;
1262  ZyanU8 opcode;
1266  ZyanU8 stack_width;
1321 
1322 /* ---------------------------------------------------------------------------------------------- */
1323 /* Decoder context */
1324 /* ---------------------------------------------------------------------------------------------- */
1325 
1338 typedef struct ZydisDecoderContext_
1339 {
1343  const void* definition;
1349  ZyanU8 eosz_index;
1355  ZyanU8 easz_index;
1359  struct
1360  {
1361  ZyanU8 W;
1362  ZyanU8 R;
1363  ZyanU8 X;
1364  ZyanU8 B;
1365  ZyanU8 L;
1366  ZyanU8 LL;
1367  ZyanU8 R2;
1368  ZyanU8 V2;
1369  ZyanU8 vvvv;
1370  ZyanU8 mask;
1371  } vector_unified;
1375  struct
1376  {
1380  ZyanBool is_mod_reg;
1384  ZyanU8 id_reg;
1390  ZyanU8 id_rm;
1394  ZyanU8 id_ndsndd;
1400  ZyanU8 id_base;
1407  ZyanU8 id_index;
1408  } reg_info;
1412  struct
1413  {
1417  ZyanU8 tuple_type;
1422  } evex;
1426  struct
1427  {
1432  } mvex;
1436  ZyanU8 cd8_scale; // TODO: Could make sense to expose this in the ZydisDecodedInstruction
1438 
1439 /* ---------------------------------------------------------------------------------------------- */
1440 
1441 /* ============================================================================================== */
1442 
1443 #ifdef __cplusplus
1444 }
1445 #endif
1446 
1447 #endif /* ZYDIS_INSTRUCTIONINFO_H */
The immediate value.
Definition: DecoderTypes.h:189
ZydisRegister value
The register value.
Definition: DecoderTypes.h:119
ZydisBroadcastMode_
Defines the ZydisBroadcastMode enum.
Definition: DecoderTypes.h:560
ZyanU32 ZydisAccessedFlagsMask
Defines the ZydisAccessedFlagsMask data-type.
Definition: DecoderTypes.h:268
ZyanU8 W
64-bit operand-size promotion or opcode-extension.
Definition: DecoderTypes.h:948
struct ZydisDecodedInstruction_ ZydisDecodedInstruction
Information about a decoded instruction.
enum ZydisMachineMode_ ZydisMachineMode
Defines the ZydisMachineMode enum.
ZydisOperandVisibility visibility
The visibility of the operand.
Definition: DecoderTypes.h:208
ZydisOperandType type
The type of the operand.
Definition: DecoderTypes.h:240
enum ZydisRoundingMode_ ZydisRoundingMode
Defines the ZydisRoundingMode enum.
ZyanU8 easz_index
Contains the effective address-size index.
Definition: DecoderTypes.h:1355
ZyanU8 W
64-bit operand-size promotion or opcode-extension.
Definition: DecoderTypes.h:826
The instruction is not a branch instruction.
Definition: DecoderTypes.h:421
Information about a decoded instruction.
Definition: DecoderTypes.h:1237
ZyanU8 W
64-bit operand-size promotion.
Definition: DecoderTypes.h:730
Maximum value of this enum.
Definition: DecoderTypes.h:505
Extended info for memory-operands with displacement.
Definition: DecoderTypes.h:150
ZydisSwizzleMode mode
The AVX register-swizzle mode.
Definition: DecoderTypes.h:1039
Detailed info about displacement-bytes.
Definition: DecoderTypes.h:1183
enum ZydisExceptionClass_ ZydisExceptionClass
Defines the ZydisExceptionClass enum.
ZyanU8 id_index
The final register id for the index register.
Definition: DecoderTypes.h:1407
The minimum number of bits required to represent all values of this enum.
Definition: DecoderTypes.h:620
ZyanU8 R
Extension of the ModRM.reg field (inverted).
Definition: DecoderTypes.h:859
ZyanU8 B
Extension of the ModRM.rm or SIB.base field (inverted).
Definition: DecoderTypes.h:936
Maximum value of this enum.
Definition: DecoderTypes.h:709
ZyanU8 value
The prefix byte.
Definition: DecoderTypes.h:1112
The minimum number of bits required to represent all values of this enum.
Definition: DecoderTypes.h:713
The minimum number of bits required to represent all values of this enum.
Definition: DecoderTypes.h:509
ZydisBranchType_
Defines the ZydisBranchType enum.
Definition: DecoderTypes.h:416
struct ZydisDecodedOperandImm_ ZydisDecodedOperandImm
Extended info for immediate-operands.
ZyanU8 aaa
Embedded opmask register specifier.
Definition: DecoderTypes.h:912
ZydisRegister segment
The segment register.
Definition: DecoderTypes.h:134
Extended info for memory-operands.
Definition: DecoderTypes.h:125
enum ZydisBranchType_ ZydisBranchType
Defines the ZydisBranchType enum.
ZyanU8 cd8_scale
The scale factor for EVEX/MVEX compressed 8-bit displacement values.
Definition: DecoderTypes.h:1436
A memory operand using SIB addressing form, where the index register is not used in address calculati...
Definition: DecoderTypes.h:91
ZydisPrefixType type
The prefix type.
Definition: DecoderTypes.h:1108
ZyanU8 R
Extension of the ModRM.reg field (inverted).
Definition: DecoderTypes.h:765
Detailed info about the SIB byte.
Definition: DecoderTypes.h:1160
ZyanU8 vvvv
NDS/NDD (non-destructive-source/destination) register specifier (inverted).
Definition: DecoderTypes.h:786
ZydisRegister index
The index register.
Definition: DecoderTypes.h:142
ZyanU8 b
Broadcast/RC/SAE context.
Definition: DecoderTypes.h:904
ZyanU8 pp
Compressed legacy prefix.
Definition: DecoderTypes.h:794
ZyanU8 L
Vector-length specifier.
Definition: DecoderTypes.h:790
The embedded mask register is used as a zero-mask.
Definition: DecoderTypes.h:533
ZyanU8 offset
The offset of the first VEX byte, relative to the beginning of the instruction, in bytes...
Definition: DecoderTypes.h:844
Extended info for AVX instructions.
Definition: DecoderTypes.h:984
ZyanU8 opcode
The instruction-opcode.
Definition: DecoderTypes.h:1262
ZyanU8 offset
The offset of the effective REX byte, relative to the beginning of the instruction, in bytes.
Definition: DecoderTypes.h:754
ZyanU8 L
Vector-length specifier.
Definition: DecoderTypes.h:835
ZyanU8 id_ndsndd
The final register id for the ndsndd (.vvvv) encoded register.
Definition: DecoderTypes.h:1394
Detailed info about the XOP prefix.
Definition: DecoderTypes.h:760
Round to nearest.
Definition: DecoderTypes.h:599
Utility functions and constants for registers.
Round down.
Definition: DecoderTypes.h:603
A vector SIB memory addressing operand (VSIB).
Definition: DecoderTypes.h:95
The embedded mask register is used as a zeroing control-mask (element selector).
Definition: DecoderTypes.h:541
ZyanBool has_sae
Signals, if the SAE (suppress-all-exceptions) functionality is enabled for the instruction.
Definition: DecoderTypes.h:1055
ZyanBool is_relative
Signals, if the immediate value contains a relative offset.
Definition: DecoderTypes.h:185
ZyanU16 element_count
The number of elements.
Definition: DecoderTypes.h:232
struct ZydisDecoderContext_ ZydisDecoderContext
The decoder context is used to preserve some internal state between subsequent decode operations for ...
struct ZydisDecoderContext_::@4 vector_unified
Contains some cached REX/XOP/VEX/EVEX/MVEX values to provide uniform access.
ZydisRegister base
The base register.
Definition: DecoderTypes.h:138
Defines decoder/encoder-shared macros and types.
ZyanU8 m_mmmm
Opcode-map specifier.
Definition: DecoderTypes.h:822
Round towards zero.
Definition: DecoderTypes.h:611
ZyanU8 offset
The offset of the SIB byte, relative to the beginning of the instruction, in bytes.
Definition: DecoderTypes.h:1178
ZyanU8 id_rm
The final register id for the rm encoded register.
Definition: DecoderTypes.h:1390
ZyanU8 element_size
The EVEX element-size.
Definition: DecoderTypes.h:1421
ZyanU16 ZydisElementSize
Defines the ZydisElementSize datatype.
Definition: SharedTypes.h:190
ZyanU8 R2
High-16 register specifier modifier (inverted).
Definition: DecoderTypes.h:940
ZyanU8 W
64-bit operand-size promotion or opcode-extension.
Definition: DecoderTypes.h:781
ZyanU8 mmm
Opcode-map specifier.
Definition: DecoderTypes.h:875
ZyanU8 SSS
Swizzle/broadcast/up-convert/down-convert/static-rounding controls.
Definition: DecoderTypes.h:965
enum ZydisBroadcastMode_ ZydisBroadcastMode
Defines the ZydisBroadcastMode enum.
ZydisSwizzleMode_
Defines the ZydisSwizzleMode enum.
Definition: DecoderTypes.h:630
ZyanBool is_signed
Signals, if the immediate value is signed.
Definition: DecoderTypes.h:180
ZyanU8 vvvv
NDS/NDD (non-destructive-source/destination) register specifier (inverted).
Definition: DecoderTypes.h:953
ZydisExceptionClass_
Defines the ZydisExceptionClass enum.
Definition: DecoderTypes.h:452
ZyanU8 V2
High-16 NDS/VIDX register specifier.
Definition: DecoderTypes.h:908
Contains info about the AVX rounding.
Definition: DecoderTypes.h:1024
enum ZydisPrefixType_ ZydisPrefixType
Defines the ZydisPrefixType enum.
The minimum number of bits required to represent all values of this enum.
Definition: DecoderTypes.h:675
ZydisOperandActions actions
The operand-actions.
Definition: DecoderTypes.h:212
ZyanU8 operand_count
The number of instruction-operands.
Definition: DecoderTypes.h:1282
struct ZydisDecoderContext_::@7 mvex
Internal MVEX-specific information.
ZyanU8 W
64-bit operand-size promotion or opcode-extension.
Definition: DecoderTypes.h:879
ZyanU8 X
Extension of the SIB.index field (inverted).
Definition: DecoderTypes.h:769
ZyanU8 R2
High-16 register specifier modifier (inverted).
Definition: DecoderTypes.h:871
ZyanU8 scale
The scale factor.
Definition: DecoderTypes.h:1165
ZyanU8 base
The base-register specifier.
Definition: DecoderTypes.h:1173
struct ZydisDecodedInstructionRawMvex_ ZydisDecodedInstructionRawMvex
Detailed info about the MVEX prefix.
The prefix is used as a mandatory prefix.
Definition: DecoderTypes.h:704
ZyanU8 B
Extension of the ModRM.rm, SIB.base, or opcode.reg field.
Definition: DecoderTypes.h:742
ZyanU8 X
Extension of the SIB.index/vidx field (inverted).
Definition: DecoderTypes.h:932
ZydisConversionMode_
Defines the ZydisConversionMode enum.
Definition: DecoderTypes.h:659
ZyanU8 B
Extension of the ModRM.rm, SIB.base, or opcode.reg field (inverted).
Definition: DecoderTypes.h:818
ZydisInstructionEncoding encoding
The instruction-encoding (LEGACY, 3DNOW, VEX, EVEX, XOP).
Definition: DecoderTypes.h:1254
The minimum number of bits required to represent all values of this enum.
Definition: DecoderTypes.h:649
ZydisElementSize element_size
The size of a single element.
Definition: DecoderTypes.h:228
ZydisMemoryOperandType type
The type of the memory operand.
Definition: DecoderTypes.h:130
ZydisISASet isa_set
The ISA-set.
Definition: DecoderTypes.h:1075
Contains info about the AVX data-conversion (KNC only).
Definition: DecoderTypes.h:1044
struct ZydisDecoderContext_::@5 reg_info
Information about encoded operand registers.
ZyanBool is_static
Signals, if the broadcast is a static broadcast.
Definition: DecoderTypes.h:1015
ZyanU8 offset
The offset of the ModRM byte, relative to the beginning of the instruction, in bytes.
Definition: DecoderTypes.h:1155
ZyanBool is_signed
Signals, if the immediate value is signed.
Definition: DecoderTypes.h:1208
ZyanU8 pp
Compressed legacy prefix.
Definition: DecoderTypes.h:839
ZyanU8 id_base
The final register id for the base register.
Definition: DecoderTypes.h:1400
ZyanU8 mmmm
Opcode-map specifier.
Definition: DecoderTypes.h:944
The decoder context is used to preserve some internal state between subsequent decode operations for ...
Definition: DecoderTypes.h:1338
Info about the embedded writemask-register (AVX-512 and KNC only).
Definition: DecoderTypes.h:993
ZyanU8 offset
The offset of the immediate data, relative to the beginning of the instruction, in bytes...
Definition: DecoderTypes.h:1230
The prefix is ignored by the instruction.
Definition: DecoderTypes.h:693
Maximum value of this enum.
Definition: DecoderTypes.h:579
The prefix is effectively used by the instruction.
Definition: DecoderTypes.h:697
ZydisMnemonic mnemonic
The instruction-mnemonic.
Definition: DecoderTypes.h:1246
Extended info for pointer-operands.
Definition: DecoderTypes.h:166
Maximum value of this enum.
Definition: DecoderTypes.h:645
struct ZydisDecodedOperandPtr_ ZydisDecodedOperandPtr
Extended info for pointer-operands.
ZyanU8 m_mmmm
Opcode-map specifier.
Definition: DecoderTypes.h:777
ZydisBroadcastMode mode
The AVX broadcast-mode.
Definition: DecoderTypes.h:1019
ZyanU8 pp
Compressed legacy prefix.
Definition: DecoderTypes.h:957
ZyanBool is_mod_reg
Signals if the modrm.mod == 3 or reg form is forced for the instruction.
Definition: DecoderTypes.h:1380
The memory operand is only used for address-generation.
Definition: DecoderTypes.h:86
The embedded mask register is used as a control-mask (element selector).
Definition: DecoderTypes.h:537
struct ZydisDecodedInstructionAvx_ ZydisDecodedInstructionAvx
Extended info for AVX instructions.
ZyanU8 R
Extension of the ModRM.reg field (inverted).
Definition: DecoderTypes.h:928
ZydisInstructionAttributes attributes
See Instruction attributes.
Definition: DecoderTypes.h:1293
ZydisMemoryOperandType_
Defines the ZydisMemoryOperandType enum.
Definition: DecoderTypes.h:75
The instruction is a far (inter-segment) branch instruction.
Definition: DecoderTypes.h:433
struct ZydisDecodedInstructionRaw_ ZydisDecodedInstructionRaw
Detailed info about different instruction-parts like ModRM, SIB or encoding-prefixes.
ZyanU8 eosz_index
Contains the effective operand-size index.
Definition: DecoderTypes.h:1349
ZyanU8 offset
The offset of the first evex byte, relative to the beginning of the instruction, in bytes...
Definition: DecoderTypes.h:917
ZyanU8 size
The size of the VEX prefix, in bytes.
Definition: DecoderTypes.h:848
const void * definition
A pointer to the internal instruction definition.
Definition: DecoderTypes.h:1343
ZyanU8 scale
The scale factor.
Definition: DecoderTypes.h:146
Detailed info about the ModRM byte.
Definition: DecoderTypes.h:1137
Detailed info about immediate-bytes.
Definition: DecoderTypes.h:1203
struct ZydisDecodedInstructionMeta_ ZydisDecodedInstructionMeta
Instruction meta info.
Extended info for register-operands.
Definition: DecoderTypes.h:114
const ZydisAccessedFlags * cpu_flags
Information about CPU flags accessed by the instruction.
Definition: DecoderTypes.h:1300
Detailed info about different instruction-parts like ModRM, SIB or encoding-prefixes.
Definition: DecoderTypes.h:1094
Maximum value of this enum.
Definition: DecoderTypes.h:671
Detailed info about the VEX prefix.
Definition: DecoderTypes.h:805
ZyanU8 length
The length of the decoded instruction.
Definition: DecoderTypes.h:1250
ZydisOpcodeMap opcode_map
The opcode-map.
Definition: DecoderTypes.h:1258
ZyanU16 vector_length
The AVX vector-length.
Definition: DecoderTypes.h:989
ZyanU8 index
The index-register specifier.
Definition: DecoderTypes.h:1169
Masking is disabled for the current instruction (K0 register is used).
Definition: DecoderTypes.h:525
ZyanU8 V2
High-16 NDS/VIDX register specifier.
Definition: DecoderTypes.h:969
ZyanU8 L2
Vector-length specifier or rounding-control (most significant bit).
Definition: DecoderTypes.h:896
ZyanU8 id_reg
The final register id for the reg encoded register.
Definition: DecoderTypes.h:1384
ZydisConversionMode mode
The AVX data-conversion mode.
Definition: DecoderTypes.h:1049
ZydisRoundingMode mode
The AVX rounding-mode.
Definition: DecoderTypes.h:1029
enum ZydisInstructionEncoding_ ZydisInstructionEncoding
Defines the ZydisInstructionEncoding enum.
ZyanU8 pp
Compressed legacy prefix.
Definition: DecoderTypes.h:888
ZyanU8 L
Vector-length specifier or rounding-control (least significant bit).
Definition: DecoderTypes.h:900
The instruction is a short (8-bit) branch instruction.
Definition: DecoderTypes.h:425
Round up.
Definition: DecoderTypes.h:607
ZyanBool has_eviction_hint
Signals, if the instruction has a memory-eviction-hint (KNC only).
Definition: DecoderTypes.h:1059
Definition: DecoderTypes.h:385
ZydisMaskMode mode
The masking mode.
Definition: DecoderTypes.h:998
struct ZydisDecodedInstructionRawEvex ZydisDecodedInstructionRawEvex
Detailed info about the EVEX prefix.
Extended info for immediate-operands.
Definition: DecoderTypes.h:175
ZydisDecodedInstructionAvx avx
Extended info for AVX instructions.
Definition: DecoderTypes.h:1310
Normal memory operand.
Definition: DecoderTypes.h:81
ZyanU8 stack_width
The stack width.
Definition: DecoderTypes.h:1266
ZyanU8 prefix_count
The number of legacy prefixes.
Definition: DecoderTypes.h:1099
ZyanU8 ZydisOperandAttributes
Defines the ZydisOperandAttributes data-type.
Definition: DecoderTypes.h:56
ZyanU8 address_width
The effective address width.
Definition: DecoderTypes.h:1274
enum ZydisConversionMode_ ZydisConversionMode
Defines the ZydisConversionMode enum.
ZyanU8 offset
The offset of the displacement data, relative to the beginning of the instruction, in bytes.
Definition: DecoderTypes.h:1198
ZyanI64 value
The displacement value.
Definition: DecoderTypes.h:159
struct ZydisDecodedInstructionRawXop_ ZydisDecodedInstructionRawXop
Detailed info about the XOP prefix.
ZyanU8 id
The operand-id.
Definition: DecoderTypes.h:204
Detailed info about the EVEX prefix.
Definition: DecoderTypes.h:854
Detailed info about the legacy prefixes (including REX).
Definition: DecoderTypes.h:1103
The minimum number of bits required to represent all values of this enum.
Definition: DecoderTypes.h:583
ZyanU8 mod
The addressing mode.
Definition: DecoderTypes.h:1142
ZyanU8 ZydisOperandActions
Defines the ZydisOperandActions data-type.
Definition: SharedTypes.h:402
ZydisInstructionCategory category
The instruction category.
Definition: DecoderTypes.h:1071
ZyanU8 size
The physical displacement size, in bits.
Definition: DecoderTypes.h:1192
Detailed info about the MVEX prefix.
Definition: DecoderTypes.h:923
enum ZydisOpcodeMap_ ZydisOpcodeMap
Defines the ZydisOpcodeMap enum.
ZydisMachineMode machine_mode
The machine mode used to decode this instruction.
Definition: DecoderTypes.h:1242
The minimum number of bits required to represent all values of this enum.
Definition: DecoderTypes.h:442
Instruction meta info.
Definition: DecoderTypes.h:1066
ZydisISAExt isa_ext
The ISA-set extension.
Definition: DecoderTypes.h:1079
const ZydisAccessedFlags * fpu_flags
Information about FPU flags accessed by the instruction.
Definition: DecoderTypes.h:1306
ZydisExceptionClass exception_class
The exception class.
Definition: DecoderTypes.h:1087
enum ZydisElementType_ ZydisElementType
Defines the ZydisElementType enum.
ZydisRoundingMode_
Defines the ZydisRoundingMode enum.
Definition: DecoderTypes.h:593
struct ZydisDecodedOperand_ ZydisDecodedOperand
Defines the ZydisDecodedOperand struct.
ZyanU8 operand_count_visible
The number of explicit (visible) instruction-operands.
Definition: DecoderTypes.h:1289
enum ZydisSwizzleMode_ ZydisSwizzleMode
Defines the ZydisSwizzleMode enum.
ZydisRegister reg
The mask register.
Definition: DecoderTypes.h:1002
enum ZydisOperandVisibility_ ZydisOperandVisibility
Defines the ZydisOperandVisibility enum.
Maximum value of this enum.
Definition: DecoderTypes.h:438
ZyanU8 tuple_type
The EVEX tuple-type.
Definition: DecoderTypes.h:1417
Maximum value of this enum.
Definition: DecoderTypes.h:546
ZydisBranchType branch_type
The branch type.
Definition: DecoderTypes.h:1083
ZyanU8 operand_width
The effective operand width.
Definition: DecoderTypes.h:1270
Contains info about the AVX broadcast.
Definition: DecoderTypes.h:1007
ZyanU16 size
The logical size of the operand (in bits).
Definition: DecoderTypes.h:220
ZyanU8 z
Zeroing/Merging.
Definition: DecoderTypes.h:892
ZyanU8 offset
The offset of the first mvex byte, relative to the beginning of the instruction, in bytes...
Definition: DecoderTypes.h:978
struct ZydisDecodedOperandMem_ ZydisDecodedOperandMem
Extended info for memory-operands.
ZydisDecodedInstructionMeta meta
Meta info.
Definition: DecoderTypes.h:1314
struct ZydisDecodedInstructionRawRex_ ZydisDecodedInstructionRawRex
Detailed info about the REX prefix.
ZyanU8 vvvv
NDS/NDD (non-destructive-source/destination) register specifier (inverted).
Definition: DecoderTypes.h:884
Maximum value of this enum.
Definition: DecoderTypes.h:616
enum ZydisMemoryOperandType_ ZydisMemoryOperandType
Defines the ZydisMemoryOperandType enum.
ZyanU8 E
Non-temporal/eviction hint.
Definition: DecoderTypes.h:961
The minimum number of bits required to represent all values of this enum.
Definition: DecoderTypes.h:104
ZydisPrefixType_
Defines the ZydisPrefixType enum.
Definition: DecoderTypes.h:685
enum ZydisMaskMode_ ZydisMaskMode
Defines the ZydisMaskMode enum.
ZydisMaskMode_
Defines the ZydisMaskMode enum.
Definition: DecoderTypes.h:519
struct ZydisDecodedOperandReg_ ZydisDecodedOperandReg
Extended info for register-operands.
ZyanU8 X
Extension of the SIB.index field.
Definition: DecoderTypes.h:738
ZyanU8 functionality
The MVEX functionality.
Definition: DecoderTypes.h:1431
ZyanI64 value
The displacement value.
Definition: DecoderTypes.h:1188
ZyanU8 X
Extension of the SIB.index field (inverted).
Definition: DecoderTypes.h:814
ZyanU8 kkk
Embedded opmask register specifier.
Definition: DecoderTypes.h:973
Maximum value of this enum.
Definition: DecoderTypes.h:100
Contains info about the AVX register-swizzle (KNC only).
Definition: DecoderTypes.h:1034
ZydisOperandEncoding encoding
The operand-encoding.
Definition: DecoderTypes.h:216
ZyanU8 offset
The offset of the first xop byte, relative to the beginning of the instruction, in bytes...
Definition: DecoderTypes.h:799
ZyanU8 B
Extension of the ModRM.rm, SIB.base, or opcode.reg field (inverted).
Definition: DecoderTypes.h:773
ZyanU8 R
Extension of the ModRM.reg field.
Definition: DecoderTypes.h:734
ZyanU8 B
Extension of the ModRM.rm or SIB.base field (inverted).
Definition: DecoderTypes.h:867
ZyanU8 R
Extension of the ModRM.reg field (inverted).
Definition: DecoderTypes.h:810
ZyanBool has_displacement
Signals, if the displacement value is used.
Definition: DecoderTypes.h:155
ZyanU8 size
The physical immediate size, in bits.
Definition: DecoderTypes.h:1225
ZyanBool is_relative
Signals, if the immediate value contains a relative offset.
Definition: DecoderTypes.h:1213
Defines the ZydisDecodedOperand struct.
Definition: DecoderTypes.h:199
ZyanU8 vvvv
NDS/NDD (non-destructive-source/destination) register specifier (inverted).
Definition: DecoderTypes.h:831
ZyanU8 rm
Register specifier or opcode-extension.
Definition: DecoderTypes.h:1150
Mnemonic constant definitions and helper functions.
The minimum number of bits required to represent all values of this enum.
Definition: DecoderTypes.h:550
ZydisElementType element_type
The element-type.
Definition: DecoderTypes.h:224
Detailed info about the REX prefix.
Definition: DecoderTypes.h:725
ZyanU8 X
Extension of the SIB.index/vidx field (inverted).
Definition: DecoderTypes.h:863
The embedded mask register is used as a merge-mask.
Definition: DecoderTypes.h:529
ZyanU64 ZydisInstructionAttributes
Defines the ZydisInstructionAttributes data-type.
Definition: SharedTypes.h:497
The instruction is a near (16-bit or 32-bit) branch instruction.
Definition: DecoderTypes.h:429
enum ZydisOperandType_ ZydisOperandType
Defines the ZydisOperandType enum.
enum ZydisOperandEncoding_ ZydisOperandEncoding
Defines the ZydisOperandEncoding enum.
struct ZydisDecoderContext_::@6 evex
Internal EVEX-specific information.
ZydisDecodedInstructionRaw raw
Detailed info about different instruction-parts like ModRM, SIB or encoding-prefixes.
Definition: DecoderTypes.h:1319
struct ZydisDecodedInstructionRawVex_ ZydisDecodedInstructionRawVex
Detailed info about the VEX prefix.
ZyanU8 reg
Register specifier or opcode-extension.
Definition: DecoderTypes.h:1146