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zydis
mirror of https://github.com/x64dbg/zydis
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228 Commits 3 Branches 1 Tag 8.5 MiB
Commit Graph

61 Commits

Author SHA1 Message Date
flobernd d8f3843f57 Added compressed disp8 calculation for MVEX instructions without swizzle/broadcast/convert functionality 2017-06-23 01:15:42 +02:00
flobernd 6c370d29c9 Added support for some MVEX special-cases 2017-06-22 22:10:18 +02:00
flobernd 4d3a71369b Removed EVEX tuple-type and element-size from the public info-struct 2017-06-22 19:54:35 +02:00
flobernd b9c43d83a7 Added compressed disp8 calculation for MVEX instructions 2017-06-22 19:39:43 +02:00
flobernd 76f0bcf00d Improved semantic decoding of MVEX instructions 2017-06-22 19:14:27 +02:00
flobernd 2a0525925f Added decoding of MVEX swizzle/conversion and rounding-control values 2017-06-22 02:42:16 +02:00
flobernd 5bd81b7f1c Fixed sign-extension of displacement values 2017-06-22 01:38:41 +02:00
flobernd dc62509b9b Ignore REX-prefix, if it is not the last prefix before the opcode 2017-06-21 04:04:58 +02:00
flobernd 9628fb8367 Fixed order of segment-registers 2017-06-21 03:03:13 +02:00
flobernd 6ff954f585 Fixed MVEX.SSS error-condition 2017-06-20 22:56:25 +02:00
flobernd d475231a63 Fixed decoding of implicit "1" immediate (ROL, ROR, RCL, ...) 2017-06-20 22:44:37 +02:00
flobernd 5112e61fd8 Fixed element-type for AGEN operands 2017-06-20 22:02:40 +02:00
flobernd 52e1b59702 Improved EVEX and MVEX encoding 
- Added some MASK related error-conditions
- Added functionality and mask-policy attributes to the MVEX instruction-definition struct
- Added MVEX specific error-condition
 2017-06-20 21:23:06 +02:00
flobernd 95b685a29d Minor bugfixes 
- Fixed some VEX/EVEX/MVEX-prefix error conditions
- MASK register size is now 64-bit for EVEX- and 16-bit for MVEX-instructions
 2017-06-20 17:48:55 +02:00
flobernd 17358016d9 Allowed custom operand-sizes for register operands 2017-06-20 03:16:17 +02:00
flobernd ee97ae753c Fixed some EVEX tuple-types 2017-06-19 20:46:42 +02:00
flobernd 4bceac86c9 Various bugfixes 
- Fixed operand-size and element-count of AGEN operands
- Fixed decoding of 8-bit modrm.rm register-operands
- Fixed vector-length for EVEX instructions with rounding-semantics
 2017-06-19 20:19:21 +02:00
flobernd 2d2e1acf27 Added T1_4X tuple-type 2017-06-18 22:02:59 +02:00
flobernd f20dc484cd Fixed priority of mandatory-prefixes 2017-06-17 21:01:57 +02:00
flobernd 58b15163f2 Improved decoding of PTR and AGEN operands 2017-06-17 02:50:08 +02:00
flobernd 6794495f63 Various bugfixes 
- Fixed decoding of XOP/VEX instructions with 256-bit vector length
- Fixed decoding of instructions with hardcoded displacement values (e.g. MOFFS)
- Fixed decoding of instructions that make use of the "ANY" mandatory-prefix filter
 2017-06-17 00:59:42 +02:00
flobernd 1d023c2997 Implemented decoding of PTR and AGEN operands 2017-06-17 00:20:44 +02:00
flobernd ad35e81eee Added semantic element-information for operands 2017-06-16 23:19:57 +02:00
flobernd 44792f2338 Added semantic decoding of implicit memory operands 2017-06-16 16:27:37 +02:00
flobernd 1db4db9ec2 Added semantic decoding of implicit register operands 2017-06-16 03:25:39 +02:00
flobernd 6caa68b674 Reimplemented decoding of 3DNOW instructions and improved EVEX decoding 2017-06-13 22:04:29 +02:00
flobernd 702f6b8d53 Reimplemented a basic version of semantic operand-decoding 2017-06-13 20:17:20 +02:00
flobernd 26d39cc7f0 Fixed XOP decoding 2017-06-12 21:07:43 +02:00
flobernd 8740b1e50f Major changes to the instruction decoder 
- Decoupled semantic operand decoding (optional) from physical instruction decoding
- Several optimizations of the internal structures
- Further preparations for MVEX-support
 2017-06-12 19:16:01 +02:00
flobernd baa1bc243a Fixed decoding of VEX/EVEX instructions with high-register-specifiers 2017-04-25 17:46:02 +02:00
Joel Höner 40d6c39dbe Renamed disassembler mode constants 
ZYDIS_DISASSEMBLER_MODE_* -> ZYDIS_OPERATING_MODE_*
 2017-04-12 21:12:18 +02:00
flobernd 71a6d786d7 Minor bugfixes and cosmetical changes 2017-04-12 21:00:46 +02:00
Joel Höner ebf71d632f Moved `internal` sub-struct from info to context 
Also, fixed examples and tools.
 2017-04-11 03:18:08 +02:00
Joel Höner 71a551ef1a Merge branch 'develop' of https://github.com/zyantific/zyan-disassembler-engine into develop 2017-04-11 02:20:02 +02:00
Joel Höner c9606c389d Removed obsolete public decoder struct 2017-04-11 02:19:53 +02:00
flobernd 8dd599555f Further improvements on #13 2017-04-09 23:11:16 +02:00
Joel Höner 3b47ed4a9a Fixed inaccurate relative operands on decoding 
Resolves #13
 2017-04-09 20:55:49 +02:00
flobernd 8157b9fa42 Temporary change to expose the semantic operand-type 2017-01-23 01:17:15 +01:00
flobernd 4b54158aa2 Minor bugfixes 2017-01-20 00:01:56 +01:00
flobernd 5ead1d9345 Minor refactorings 
- The instruction pointer is now directly passed to the ZydisDecoderDecodeInstruction function
- Removed the user-data pointer in the ZydisOperandInfo struct
 2017-01-12 20:14:12 +01:00
Joel Höner 689708fbd3 Refactored docstrings to use uppercase abbreviations 2017-01-12 19:37:57 +01:00
Joel Höner a9514fbfea Minor documentation and style fixes 2017-01-12 18:54:16 +01:00
Joel Höner 3d2365b6ed Added encoder stub, made decoder input const 2017-01-12 15:12:09 +01:00
flobernd 5af25eee4b Fixed a bug in ZYDIS_CHECK that caused functions to run more than once on certain conditions 2017-01-11 17:29:26 +01:00
flobernd c0528d5cb0 Exposed ZYDIS_MAX_INSTRUCTION_LENGTH constant 2017-01-11 11:24:10 +01:00
flobernd 4165c3b9b2 Removed Input-struct. The input buffer is now directly passed to the ZydisDecodeInstruction function. 2017-01-11 11:20:24 +01:00
flobernd 5b63557f3c Fixed decoding of instructions with EVEX high-16 register specifiers (R', X, V') 2016-12-05 21:06:29 +01:00
flobernd d4dd176438 Refactorings and bugfixes 
- Added support for the BOUND prefix
- Added support for more detailed operand-actions (read, write, readwrite, cond. read, cond. write, read + cond. write, write + cond. read)
- Added operand-visibility info (explicit, implicit, hidden)
- Fixed some bugs in the prefix-decoding routines
- Removed stdbool.h dependency and introduced custom boolean-type for better portability
 2016-12-05 02:24:01 +01:00
Joel Höner 4e78d04788 Fixed lib build with clang, fixed tools 2016-11-28 18:56:39 +01:00
flobernd 9a0b1da975 Added missing registers and CPUID feature-flags 2016-11-27 23:24:43 +01:00