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externals: Update zydis to 4.0.0

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Merge commit '6fa8d51479e9a5542c67bec715a1f68e7ed057ba'
This commit is contained in:
Alexandre Bouvier
2022-11-20 21:52:58 +01:00
parent a0ce4c49c1 6fa8d51479
commit cbeed6396f
394 changed files with 61415 additions and 39455 deletions
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78
externals/zydis/include/Zydis/Decoder.h vendored
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@@ -164,9 +164,9 @@ typedef struct ZydisDecoder_
*/
ZydisMachineMode machine_mode;
/**
* The address width.
* The stack width.
*/
ZydisAddressWidth address_width;
ZydisStackWidth stack_width;
/**
* The decoder mode array.
*/
@@ -190,12 +190,12 @@ typedef struct ZydisDecoder_
*
* @param decoder A pointer to the `ZydisDecoder` instance.
* @param machine_mode The machine mode.
* @param address_width The address width.
* @param stack_width The stack width.
*
* @return A zyan status code.
*/
ZYDIS_EXPORT ZyanStatus ZydisDecoderInit(ZydisDecoder* decoder, ZydisMachineMode machine_mode,
ZydisAddressWidth address_width);
ZydisStackWidth stack_width);
/**
* Enables or disables the specified decoder-mode.
@@ -209,10 +209,45 @@ ZYDIS_EXPORT ZyanStatus ZydisDecoderInit(ZydisDecoder* decoder, ZydisMachineMode
ZYDIS_EXPORT ZyanStatus ZydisDecoderEnableMode(ZydisDecoder* decoder, ZydisDecoderMode mode,
ZyanBool enabled);
/**
* Decodes the instruction in the given input `buffer` and returns all details (e.g. operands).
*
* @param decoder A pointer to the `ZydisDecoder` instance.
* @param buffer A pointer to the input buffer.
* @param length The length of the input buffer. Note that this can be bigger than the
* actual size of the instruction -- you don't have to know the size up
* front. This length is merely used to prevent Zydis from doing
* out-of-bounds reads on your buffer.
* @param instruction A pointer to the `ZydisDecodedInstruction` struct receiving the details
* about the decoded instruction.
* @param operands A pointer to an array with `ZYDIS_MAX_OPERAND_COUNT` entries that
* receives the decoded operands. The number of operands decoded is
* determined by the `instruction.operand_count` field. Excess entries are
* zeroed.
*
* This is a convenience function that combines the following functions into one call:
*
* - `ZydisDecoderDecodeInstruction`
* - `ZydisDecoderDecodeOperands`
*
* Please refer to `ZydisDecoderDecodeInstruction` if operand decoding is not required or should
* be done separately (`ZydisDecoderDecodeOperands`).
*
* This function is not available in MINIMAL_MODE.
*
* @return A zyan status code.
*/
ZYDIS_EXPORT ZyanStatus ZydisDecoderDecodeFull(const ZydisDecoder* decoder,
const void* buffer, ZyanUSize length, ZydisDecodedInstruction* instruction,
ZydisDecodedOperand operands[ZYDIS_MAX_OPERAND_COUNT]);
/**
* Decodes the instruction in the given input `buffer`.
*
* @param decoder A pointer to the `ZydisDecoder` instance.
* @param context A pointer to a decoder context struct which is required for further
* decoding (e.g. operand decoding using `ZydisDecoderDecodeOperands`) or
* `ZYAN_NULL` if not needed.
* @param buffer A pointer to the input buffer.
* @param length The length of the input buffer. Note that this can be bigger than the
* actual size of the instruction -- you don't have to know the size up
@@ -223,8 +258,39 @@ ZYDIS_EXPORT ZyanStatus ZydisDecoderEnableMode(ZydisDecoder* decoder, ZydisDecod
*
* @return A zyan status code.
*/
ZYDIS_EXPORT ZyanStatus ZydisDecoderDecodeBuffer(const ZydisDecoder* decoder,
const void* buffer, ZyanUSize length, ZydisDecodedInstruction* instruction);
ZYDIS_EXPORT ZyanStatus ZydisDecoderDecodeInstruction(const ZydisDecoder* decoder,
ZydisDecoderContext* context, const void* buffer, ZyanUSize length,
ZydisDecodedInstruction* instruction);
/**
* Decodes the instruction operands.
*
* @param decoder A pointer to the `ZydisDecoder` instance.
* @param context A pointer to the `ZydisDecoderContext` struct.
* @param instruction A pointer to the `ZydisDecodedInstruction` struct.
* @param operands The array that receives the decoded operands.
* Refer to `ZYDIS_MAX_OPERAND_COUNT` or `ZYDIS_MAX_OPERAND_COUNT_VISIBLE`
* when allocating space for the array to ensure that the buffer size is
* sufficient to always fit all instruction operands.
* Refer to `instruction.operand_count` or
* `instruction.operand_count_visible' when allocating space for the array
* to ensure that the buffer size is sufficient to fit all operands of
* the given instruction.
* @param operand_count The length of the `operands` array.
* This argument as well limits the maximum amount of operands to decode.
* If this value is `0`, no operands will be decoded and `ZYAN_NULL` will
* be accepted for the `operands` argument.
*
* This function fails, if `operand_count` is larger than the total number of operands for the
* given instruction (`instruction.operand_count`).
*
* This function is not available in MINIMAL_MODE.
*
* @return A zyan status code.
*/
ZYDIS_EXPORT ZyanStatus ZydisDecoderDecodeOperands(const ZydisDecoder* decoder,
const ZydisDecoderContext* context, const ZydisDecodedInstruction* instruction,
ZydisDecodedOperand* operands, ZyanU8 operand_count);
/** @} */