Zydis  v3.2.1
Decoder.h
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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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13  *
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15  * copies or substantial portions of the Software.
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18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
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26 
32 #ifndef ZYDIS_DECODER_H
33 #define ZYDIS_DECODER_H
34 
35 #include <Zycore/Types.h>
36 #include <Zycore/Defines.h>
37 #include <Zydis/DecoderTypes.h>
38 #include <Zydis/Status.h>
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 /* ============================================================================================== */
45 /* Enums and types */
46 /* ============================================================================================== */
47 
48 /* ---------------------------------------------------------------------------------------------- */
49 /* Decoder mode */
50 /* ---------------------------------------------------------------------------------------------- */
51 
55 typedef enum ZydisDecoderMode_
56 {
139 
149 
150 /* ---------------------------------------------------------------------------------------------- */
151 /* Decoder struct */
152 /* ---------------------------------------------------------------------------------------------- */
153 
160 typedef struct ZydisDecoder_
161 {
175 
176 /* ---------------------------------------------------------------------------------------------- */
177 
178 /* ============================================================================================== */
179 /* Exported functions */
180 /* ============================================================================================== */
181 
197 ZYDIS_EXPORT ZyanStatus ZydisDecoderInit(ZydisDecoder* decoder, ZydisMachineMode machine_mode,
198  ZydisAddressWidth address_width);
199 
209 ZYDIS_EXPORT ZyanStatus ZydisDecoderEnableMode(ZydisDecoder* decoder, ZydisDecoderMode mode,
210  ZyanBool enabled);
211 
226 ZYDIS_EXPORT ZyanStatus ZydisDecoderDecodeBuffer(const ZydisDecoder* decoder,
227  const void* buffer, ZyanUSize length, ZydisDecodedInstruction* instruction);
228 
231 /* ============================================================================================== */
232 
233 #ifdef __cplusplus
234 }
235 #endif
236 
237 #endif /* ZYDIS_DECODER_H */
Defines the basic ZydisDecodedInstruction and ZydisDecodedOperand structs.
struct ZydisDecoder_ ZydisDecoder
Defines the ZydisDecoder struct.
ZydisDecoderMode_
Defines the ZydisDecoderMode enum.
Definition: Decoder.h:56
@ ZYDIS_DECODER_MODE_WBNOINVD
Enables the WBNOINVD mode.
Definition: Decoder.h:130
@ ZYDIS_DECODER_MODE_KNC
Enables KNC compatibility-mode.
Definition: Decoder.h:89
@ ZYDIS_DECODER_MODE_REQUIRED_BITS
The minimum number of bits required to represent all values of this enum.
Definition: Decoder.h:147
@ ZYDIS_DECODER_MODE_LZCNT
Enables the LZCNT mode.
Definition: Decoder.h:113
@ ZYDIS_DECODER_MODE_MINIMAL
Enables minimal instruction decoding without semantic analysis.
Definition: Decoder.h:69
@ ZYDIS_DECODER_MODE_TZCNT
Enables the TZCNT mode.
Definition: Decoder.h:121
@ ZYDIS_DECODER_MODE_MAX_VALUE
Maximum value of this enum.
Definition: Decoder.h:143
@ ZYDIS_DECODER_MODE_AMD_BRANCHES
Enables the AMD-branch mode.
Definition: Decoder.h:80
@ ZYDIS_DECODER_MODE_MPX
Enables the MPX mode.
Definition: Decoder.h:97
@ ZYDIS_DECODER_MODE_CLDEMOTE
Enables the CLDEMOTE mode.
Definition: Decoder.h:138
@ ZYDIS_DECODER_MODE_CET
Enables the CET mode.
Definition: Decoder.h:105
enum ZydisDecoderMode_ ZydisDecoderMode
Defines the ZydisDecoderMode enum.
enum ZydisAddressWidth_ ZydisAddressWidth
Defines the ZydisAddressWidth enum.
enum ZydisMachineMode_ ZydisMachineMode
Defines the ZydisMachineMode enum.
Status code definitions and check macros.
ZYDIS_EXPORT ZyanStatus ZydisDecoderDecodeBuffer(const ZydisDecoder *decoder, const void *buffer, ZyanUSize length, ZydisDecodedInstruction *instruction)
Decodes the instruction in the given input buffer.
ZYDIS_EXPORT ZyanStatus ZydisDecoderEnableMode(ZydisDecoder *decoder, ZydisDecoderMode mode, ZyanBool enabled)
Enables or disables the specified decoder-mode.
ZYDIS_EXPORT ZyanStatus ZydisDecoderInit(ZydisDecoder *decoder, ZydisMachineMode machine_mode, ZydisAddressWidth address_width)
Initializes the given ZydisDecoder instance.
Information about a decoded instruction.
Definition: DecoderTypes.h:969
Defines the ZydisDecoder struct.
Definition: Decoder.h:161
ZydisMachineMode machine_mode
The machine mode.
Definition: Decoder.h:165
ZyanBool decoder_mode[ZYDIS_DECODER_MODE_MAX_VALUE+1]
The decoder mode array.
Definition: Decoder.h:173
ZydisAddressWidth address_width
The address width.
Definition: Decoder.h:169