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zydis
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Fixed sign-extension of displacement values

This commit is contained in:
flobernd 2017-06-22 01:38:41 +02:00
parent 433ca68926
commit 5bd81b7f1c
4 changed files with 101 additions and 36 deletions
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3
include/Zydis/InstructionInfo.h
View File

@ -983,6 +983,9 @@ typedef struct ZydisInstructionInfo_
* @brief The AVX rounding-mode.
*/
ZydisRoundingMode roundingMode;
ZydisBool hasSAE;
ZydisBool hasEvictionHint;
} avx;
/**
* @brief Extended info about different instruction-parts like ModRM, SIB or

48
include/Zydis/Internal/InstructionDefinitions.inc
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@ -6542,49 +6542,49 @@ const ZydisInstructionDefinitionMVEX instructionDefinitionsMVEX[] =
/*001E*/ { ZYDIS_MNEMONIC_VBROADCASTSS, 3, 0x0894, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_LOAD_32, ZYDIS_MASK_POLICY_ALLOWED },
/*001F*/ { ZYDIS_MNEMONIC_VCMPPD, 5, 0x03A0, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*0020*/ { ZYDIS_MNEMONIC_VCMPPD, 5, 0x03A5, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*0021*/ { ZYDIS_MNEMONIC_VCMPPD, 5, 0x03A5, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*0021*/ { ZYDIS_MNEMONIC_VCMPPD, 5, 0x03A5, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0022*/ { ZYDIS_MNEMONIC_VCMPPS, 5, 0x03AA, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0023*/ { ZYDIS_MNEMONIC_VCMPPS, 5, 0x03AF, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*0024*/ { ZYDIS_MNEMONIC_VCMPPS, 5, 0x03AF, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*0024*/ { ZYDIS_MNEMONIC_VCMPPS, 5, 0x03AF, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0025*/ { ZYDIS_MNEMONIC_VCVTDQ2PD, 3, 0x08B8, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0026*/ { ZYDIS_MNEMONIC_VCVTDQ2PD, 3, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0027*/ { ZYDIS_MNEMONIC_VCVTDQ2PD, 3, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0028*/ { ZYDIS_MNEMONIC_VCVTFXPNTDQ2PS, 4, 0x0894, 0x00, ZYDIS_MVEX_FUNC_INT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0029*/ { ZYDIS_MNEMONIC_VCVTFXPNTDQ2PS, 4, 0x0898, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*002A*/ { ZYDIS_MNEMONIC_VCVTFXPNTDQ2PS, 4, 0x0898, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*002A*/ { ZYDIS_MNEMONIC_VCVTFXPNTDQ2PS, 4, 0x0898, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*002B*/ { ZYDIS_MNEMONIC_VCVTFXPNTPD2DQ, 4, 0x089C, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*002C*/ { ZYDIS_MNEMONIC_VCVTFXPNTPD2DQ, 4, 0x08A0, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*002D*/ { ZYDIS_MNEMONIC_VCVTFXPNTPD2DQ, 4, 0x08A0, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*002D*/ { ZYDIS_MNEMONIC_VCVTFXPNTPD2DQ, 4, 0x08A0, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*002E*/ { ZYDIS_MNEMONIC_VCVTFXPNTPD2UDQ, 4, 0x08A4, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*002F*/ { ZYDIS_MNEMONIC_VCVTFXPNTPD2UDQ, 4, 0x08A8, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*002F*/ { ZYDIS_MNEMONIC_VCVTFXPNTPD2UDQ, 4, 0x08A8, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0030*/ { ZYDIS_MNEMONIC_VCVTFXPNTPD2UDQ, 4, 0x08A8, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*0031*/ { ZYDIS_MNEMONIC_VCVTFXPNTPS2DQ, 4, 0x089C, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0032*/ { ZYDIS_MNEMONIC_VCVTFXPNTPS2DQ, 4, 0x08AC, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*0032*/ { ZYDIS_MNEMONIC_VCVTFXPNTPS2DQ, 4, 0x08AC, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0033*/ { ZYDIS_MNEMONIC_VCVTFXPNTPS2DQ, 4, 0x08AC, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0034*/ { ZYDIS_MNEMONIC_VCVTFXPNTPS2UDQ, 4, 0x08A4, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0035*/ { ZYDIS_MNEMONIC_VCVTFXPNTPS2UDQ, 4, 0x08B0, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*0035*/ { ZYDIS_MNEMONIC_VCVTFXPNTPS2UDQ, 4, 0x08B0, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0036*/ { ZYDIS_MNEMONIC_VCVTFXPNTPS2UDQ, 4, 0x08B0, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0037*/ { ZYDIS_MNEMONIC_VCVTFXPNTUDQ2PS, 4, 0x0894, 0x00, ZYDIS_MVEX_FUNC_INT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0038*/ { ZYDIS_MNEMONIC_VCVTFXPNTUDQ2PS, 4, 0x08B4, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0039*/ { ZYDIS_MNEMONIC_VCVTFXPNTUDQ2PS, 4, 0x08B4, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*0039*/ { ZYDIS_MNEMONIC_VCVTFXPNTUDQ2PS, 4, 0x08B4, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*003A*/ { ZYDIS_MNEMONIC_VCVTPD2PS, 3, 0x0894, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*003B*/ { ZYDIS_MNEMONIC_VCVTPD2PS, 3, 0x11B7, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*003C*/ { ZYDIS_MNEMONIC_VCVTPD2PS, 3, 0x11B7, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*003D*/ { ZYDIS_MNEMONIC_VCVTPS2PD, 3, 0x08B8, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*003E*/ { ZYDIS_MNEMONIC_VCVTPS2PD, 3, 0x11BA, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*003F*/ { ZYDIS_MNEMONIC_VCVTPS2PD, 3, 0x11BA, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*003F*/ { ZYDIS_MNEMONIC_VCVTPS2PD, 3, 0x11BA, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0040*/ { ZYDIS_MNEMONIC_VCVTUDQ2PD, 3, 0x08B8, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0041*/ { ZYDIS_MNEMONIC_VCVTUDQ2PD, 3, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0042*/ { ZYDIS_MNEMONIC_VCVTUDQ2PD, 3, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0043*/ { ZYDIS_MNEMONIC_VEXP223PS, 3, 0x08CC, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0044*/ { ZYDIS_MNEMONIC_VEXP223PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*0044*/ { ZYDIS_MNEMONIC_VEXP223PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0045*/ { ZYDIS_MNEMONIC_VEXP223PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0046*/ { ZYDIS_MNEMONIC_VFIXUPNANPD, 4, 0x0880, 0x00, ZYDIS_MVEX_FUNC_INT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*0047*/ { ZYDIS_MNEMONIC_VFIXUPNANPD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*0048*/ { ZYDIS_MNEMONIC_VFIXUPNANPD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*0048*/ { ZYDIS_MNEMONIC_VFIXUPNANPD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0049*/ { ZYDIS_MNEMONIC_VFIXUPNANPS, 4, 0x0888, 0x00, ZYDIS_MVEX_FUNC_INT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*004A*/ { ZYDIS_MNEMONIC_VFIXUPNANPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*004B*/ { ZYDIS_MNEMONIC_VFIXUPNANPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*004B*/ { ZYDIS_MNEMONIC_VFIXUPNANPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*004C*/ { ZYDIS_MNEMONIC_VFMADD132PD, 4, 0x0880, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*004D*/ { ZYDIS_MNEMONIC_VFMADD132PD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*004E*/ { ZYDIS_MNEMONIC_VFMADD132PD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
@ -6668,28 +6668,28 @@ const ZydisInstructionDefinitionMVEX instructionDefinitionsMVEX[] =
/*009C*/ { ZYDIS_MNEMONIC_VGATHERPF1DPS, 2, 0x16C8, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_LOAD_32, ZYDIS_MASK_POLICY_ALLOWED },
/*009D*/ { ZYDIS_MNEMONIC_VGETEXPPD, 3, 0x08B8, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*009E*/ { ZYDIS_MNEMONIC_VGETEXPPD, 3, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*009F*/ { ZYDIS_MNEMONIC_VGETEXPPD, 3, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*009F*/ { ZYDIS_MNEMONIC_VGETEXPPD, 3, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*00A0*/ { ZYDIS_MNEMONIC_VGETEXPPS, 3, 0x08B8, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00A1*/ { ZYDIS_MNEMONIC_VGETEXPPS, 3, 0x11BA, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00A2*/ { ZYDIS_MNEMONIC_VGETEXPPS, 3, 0x11BA, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*00A2*/ { ZYDIS_MNEMONIC_VGETEXPPS, 3, 0x11BA, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*00A3*/ { ZYDIS_MNEMONIC_VGETMANTPD, 4, 0x08B8, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*00A4*/ { ZYDIS_MNEMONIC_VGETMANTPD, 4, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*00A4*/ { ZYDIS_MNEMONIC_VGETMANTPD, 4, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*00A5*/ { ZYDIS_MNEMONIC_VGETMANTPD, 4, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*00A6*/ { ZYDIS_MNEMONIC_VGETMANTPS, 4, 0x0894, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00A7*/ { ZYDIS_MNEMONIC_VGETMANTPS, 4, 0x08C0, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*00A7*/ { ZYDIS_MNEMONIC_VGETMANTPS, 4, 0x08C0, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*00A8*/ { ZYDIS_MNEMONIC_VGETMANTPS, 4, 0x08C0, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00A9*/ { ZYDIS_MNEMONIC_VGMAXABSPS, 4, 0x0888, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00AA*/ { ZYDIS_MNEMONIC_VGMAXABSPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00AB*/ { ZYDIS_MNEMONIC_VGMAXABSPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*00AB*/ { ZYDIS_MNEMONIC_VGMAXABSPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*00AC*/ { ZYDIS_MNEMONIC_VGMAXPD, 4, 0x0880, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*00AD*/ { ZYDIS_MNEMONIC_VGMAXPD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*00AE*/ { ZYDIS_MNEMONIC_VGMAXPD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*00AE*/ { ZYDIS_MNEMONIC_VGMAXPD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*00AF*/ { ZYDIS_MNEMONIC_VGMAXPS, 4, 0x0888, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00B0*/ { ZYDIS_MNEMONIC_VGMAXPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00B1*/ { ZYDIS_MNEMONIC_VGMAXPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*00B2*/ { ZYDIS_MNEMONIC_VGMINPD, 4, 0x0880, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*00B3*/ { ZYDIS_MNEMONIC_VGMINPD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*00B4*/ { ZYDIS_MNEMONIC_VGMINPD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*00B4*/ { ZYDIS_MNEMONIC_VGMINPD, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*00B5*/ { ZYDIS_MNEMONIC_VGMINPS, 4, 0x0888, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00B6*/ { ZYDIS_MNEMONIC_VGMINPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00B7*/ { ZYDIS_MNEMONIC_VGMINPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
@ -6702,7 +6702,7 @@ const ZydisInstructionDefinitionMVEX instructionDefinitionsMVEX[] =
/*00BE*/ { ZYDIS_MNEMONIC_VLOADUNPACKLPS, 3, 0x0894, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_LOAD_32, ZYDIS_MASK_POLICY_ALLOWED },
/*00BF*/ { ZYDIS_MNEMONIC_VLOADUNPACKLQ, 3, 0x11B4, 0x00, ZYDIS_MVEX_FUNC_INT_UCONV_LOAD_64, ZYDIS_MASK_POLICY_ALLOWED },
/*00C0*/ { ZYDIS_MNEMONIC_VLOG2PS, 3, 0x08CC, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*00C1*/ { ZYDIS_MNEMONIC_VLOG2PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*00C1*/ { ZYDIS_MNEMONIC_VLOG2PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*00C2*/ { ZYDIS_MNEMONIC_VLOG2PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*00C3*/ { ZYDIS_MNEMONIC_VMOVAPD, 3, 0x08B8, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_LOAD_64, ZYDIS_MASK_POLICY_ALLOWED },
/*00C4*/ { ZYDIS_MNEMONIC_VMOVAPD, 3, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
@ -6884,16 +6884,16 @@ const ZydisInstructionDefinitionMVEX instructionDefinitionsMVEX[] =
/*0174*/ { ZYDIS_MNEMONIC_VPXORQ, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*0175*/ { ZYDIS_MNEMONIC_VPXORQ, 4, 0x0884, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0176*/ { ZYDIS_MNEMONIC_VRCP23PS, 3, 0x08CC, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0177*/ { ZYDIS_MNEMONIC_VRCP23PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*0177*/ { ZYDIS_MNEMONIC_VRCP23PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0178*/ { ZYDIS_MNEMONIC_VRCP23PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0179*/ { ZYDIS_MNEMONIC_VRNDFXPNTPD, 4, 0x08B8, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_64, ZYDIS_MASK_POLICY_ALLOWED },
/*017A*/ { ZYDIS_MNEMONIC_VRNDFXPNTPD, 4, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*017A*/ { ZYDIS_MNEMONIC_VRNDFXPNTPD, 4, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*017B*/ { ZYDIS_MNEMONIC_VRNDFXPNTPD, 4, 0x08BC, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_64, ZYDIS_MASK_POLICY_ALLOWED },
/*017C*/ { ZYDIS_MNEMONIC_VRNDFXPNTPS, 4, 0x0894, 0x00, ZYDIS_MVEX_FUNC_FLOAT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*017D*/ { ZYDIS_MNEMONIC_VRNDFXPNTPS, 4, 0x08C0, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*017D*/ { ZYDIS_MNEMONIC_VRNDFXPNTPS, 4, 0x08C0, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*017E*/ { ZYDIS_MNEMONIC_VRNDFXPNTPS, 4, 0x08C0, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },
/*017F*/ { ZYDIS_MNEMONIC_VRSQRT23PS, 3, 0x08CC, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0180*/ { ZYDIS_MNEMONIC_VRSQRT23PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_RC, ZYDIS_MASK_POLICY_ALLOWED },
/*0180*/ { ZYDIS_MNEMONIC_VRSQRT23PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_SAE, ZYDIS_MASK_POLICY_ALLOWED },
/*0181*/ { ZYDIS_MNEMONIC_VRSQRT23PS, 3, 0x08D0, 0x00, ZYDIS_MVEX_FUNC_INVALID, ZYDIS_MASK_POLICY_ALLOWED },
/*0182*/ { ZYDIS_MNEMONIC_VSCALEPS, 4, 0x0888, 0x00, ZYDIS_MVEX_FUNC_INT_UCONV_32, ZYDIS_MASK_POLICY_ALLOWED },
/*0183*/ { ZYDIS_MNEMONIC_VSCALEPS, 4, 0x039B, 0x00, ZYDIS_MVEX_FUNC_REG_SWIZZLE_32, ZYDIS_MASK_POLICY_ALLOWED },

6
include/Zydis/Internal/InstructionTable.h
View File

@ -367,9 +367,13 @@ enum ZydisMVEXFunctionalities
{
ZYDIS_MVEX_FUNC_INVALID,
/**
* @brief @c MVEX.SSS controls embedded-rounding and sae functionality.
* @brief @c MVEX.SSS controls embedded-rounding functionality.
*/
ZYDIS_MVEX_FUNC_RC,
/**
* @brief @c MVEX.SSS controls sae functionality.
*/
ZYDIS_MVEX_FUNC_SAE,
/**
* @brief @c MVEX.SSS controls register swizzle 32-bit functionality.
*/

80
src/Decoder.c
View File

@ -547,7 +547,7 @@ static ZydisStatus ZydisReadDisplacement(ZydisDecoderContext* context, ZydisInst
{
uint8_t value;
ZYDIS_CHECK(ZydisInputNext(context, info, &value));
info->details.disp.value.sbyte = (int8_t)value;
info->details.disp.value.sqword = (int8_t)value;
break;
}
case 16:
@ -555,7 +555,7 @@ static ZydisStatus ZydisReadDisplacement(ZydisDecoderContext* context, ZydisInst
uint16_t data[2] = { 0, 0 };
ZYDIS_CHECK(ZydisInputNext(context, info, (uint8_t*)&data[1]));
ZYDIS_CHECK(ZydisInputNext(context, info, (uint8_t*)&data[0]));
info->details.disp.value.sword = (data[0] << 8) | data[1];
info->details.disp.value.sqword = (int16_t)((data[0] << 8) | data[1]);
break;
}
case 32:
@ -565,8 +565,8 @@ static ZydisStatus ZydisReadDisplacement(ZydisDecoderContext* context, ZydisInst
{
ZYDIS_CHECK(ZydisInputNext(context, info, (uint8_t*)&data[i - 1]));
}
info->details.disp.value.sdword =
(data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
info->details.disp.value.sqword =
(int32_t)((data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]);
break;
}
case 64:
@ -577,8 +577,8 @@ static ZydisStatus ZydisReadDisplacement(ZydisDecoderContext* context, ZydisInst
ZYDIS_CHECK(ZydisInputNext(context, info, (uint8_t*)&data[i - 1]));
}
info->details.disp.value.sqword =
(data[0] << 56) | (data[1] << 48) | (data[2] << 40) | (data[3] << 32) |
(data[4] << 24) | (data[5] << 16) | (data[6] << 8) | data[7];
(int64_t)((data[0] << 56) | (data[1] << 48) | (data[2] << 40) | (data[3] << 32) |
(data[4] << 24) | (data[5] << 16) | (data[6] << 8) | data[7]);
break;
}
default:
@ -1453,6 +1453,9 @@ static ZydisStatus ZydisDecodeOperands(ZydisDecoderContext* context, ZydisInstru
uint8_t immId = 0;
const ZydisOperandDefinition* operand;
info->operandCount = ZydisGetOperandDefinitions(definition, &operand);
ZYDIS_ASSERT(info->operandCount < ZYDIS_ARRAY_SIZE(info->operands));
for (uint8_t i = 0; i < info->operandCount; ++i)
{
info->operands[i].id = i;
@ -2135,7 +2138,9 @@ static void ZydisSetAVXInformation(ZydisDecoderContext* context,
ZYDIS_ASSERT(info);
ZYDIS_ASSERT(definition);
if (info->encoding == ZYDIS_INSTRUCTION_ENCODING_EVEX)
switch (info->encoding)
{
case ZYDIS_INSTRUCTION_ENCODING_EVEX:
{
const ZydisInstructionDefinitionEVEX* def =
(const ZydisInstructionDefinitionEVEX*)definition;
@ -2463,14 +2468,65 @@ static void ZydisSetAVXInformation(ZydisDecoderContext* context,
ZYDIS_ASSERT(info->details.modrm.mod == 3);
}
// Rounding mode
if (def->functionality == ZYDIS_EVEX_FUNC_RC)
// Rounding mode and SAE
if (info->details.evex.b)
{
info->avx.roundingMode = ZYDIS_RNDMODE_RN_SAE + context->cache.LL;
switch (def->functionality)
{
case ZYDIS_EVEX_FUNC_INVALID:
case ZYDIS_EVEX_FUNC_BC:
// Noting to do here
break;
case ZYDIS_EVEX_FUNC_RC:
info->avx.roundingMode = ZYDIS_RNDMODE_RN_SAE + context->cache.LL;
break;
case ZYDIS_EVEX_FUNC_SAE:
info->avx.hasSAE = ZYDIS_TRUE;
break;
default:
ZYDIS_UNREACHABLE;
}
}
// Mask mode
info->avx.maskMode = ZYDIS_MASKMODE_MERGE + info->details.evex.z;
break;
}
case ZYDIS_INSTRUCTION_ENCODING_MVEX:
{
const ZydisInstructionDefinitionMVEX* def =
(const ZydisInstructionDefinitionMVEX*)definition;
switch (def->functionality)
{
case ZYDIS_MVEX_FUNC_INVALID:
// Nothing to do here
break;
case ZYDIS_MVEX_FUNC_RC:
info->avx.roundingMode = ZYDIS_RNDMODE_INVALID + info->details.mvex.SSS;
break;
case ZYDIS_MVEX_FUNC_SAE:
if (info->details.mvex.SSS >= 4)
{
info->avx.hasSAE = ZYDIS_TRUE;
}
break;
default:
break;
//ZYDIS_UNREACHABLE;
}
// Eviction hint
if ((info->details.modrm.mod != 3) && info->details.mvex.E)
{
info->avx.hasEvictionHint = ZYDIS_TRUE;
}
break;
}
default:
// Nothing to do here
break;
}
}
@ -3157,12 +3213,14 @@ static ZydisStatus ZydisDecodeInstruction(ZydisDecoderContext* context, ZydisIns
maskPolicy = def->maskPolicy;
// Check for invalid MVEX.SSS values
static const uint8_t lookup[16][8] =
static const uint8_t lookup[17][8] =
{
// ZYDIS_MVEX_FUNC_INVALID
{ 0, 0, 0, 0, 0, 0, 0, 0 },
// ZYDIS_MVEX_FUNC_RC
{ 1, 1, 1, 1, 1, 1, 1, 1 },
// ZYDIS_MVEX_FUNC_SAE
{ 1, 1, 1, 1, 1, 1, 1, 1 },
// ZYDIS_MVEX_FUNC_REG_SWIZZLE_32
{ 1, 1, 1, 1, 1, 1, 1, 1 },
// ZYDIS_MVEX_FUNC_REG_SWIZZLE_64