a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync

1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#ifdef USING_VISUAL_STUDIO

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync# include <stdafx.h>

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#endif

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

662d52947eeb3fc8fca3b23991a5eee47077f896vboxsync#include <VBox/dis.h>

da957c069c2a3c582fe265ff88170ce4c42b499dvboxsync#include <VBox/disopcode.h>

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync#include <VBox/err.h>

16a9adc14900ca18e6909679a579f6833425e030vboxsync#define LOG_GROUP LOG_GROUP_DIS

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#include <VBox/log.h>

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#include <iprt/assert.h>

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#include <iprt/string.h>

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#include <iprt/stdarg.h>

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#include "DisasmInternal.h"

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync#include "DisasmTables.h"

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync#if !defined(DIS_CORE_ONLY) && defined(LOG_ENABLED)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync# include <stdlib.h>

efff36b306e370346025647a158689021df2e1d1vboxsync# include <stdio.h>

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync#endif

590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

efff36b306e370346025647a158689021df2e1d1vboxsyncstatic int disCoreOne(PDISCPUSTATE pCpu, RTUINTPTR InstructionAddr, unsigned *pcbInstruction);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#if !defined(DIS_CORE_ONLY) && defined(LOG_ENABLED)

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsyncstatic void disasmAddString(char *psz, const char *pszString);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsyncstatic void disasmAddStringF(char *psz, uint32_t cbString, const char *pszFormat, ...);

efff36b306e370346025647a158689021df2e1d1vboxsyncstatic void disasmAddChar(char *psz, char ch);

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync#else

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync# define disasmAddString(psz, pszString) do {} while (0)

efff36b306e370346025647a158689021df2e1d1vboxsync# ifdef _MSC_VER

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync# define disasmAddStringF __noop

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync# else

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync# define disasmAddStringF(psz, cbString, pszFormat...) do {} while (0) /* Arg wanna get rid of that warning */

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync# endif

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync# define disasmAddChar(psz, ch) do {} while (0)

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#endif

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsyncstatic unsigned QueryModRM(RTUINTPTR pu8CodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu, int *pSibInc = NULL);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsyncstatic unsigned QueryModRM_SizeOnly(RTUINTPTR pu8CodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu, int *pSibInc = NULL);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsyncstatic void UseSIB(RTUINTPTR pu8CodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsyncstatic unsigned ParseSIB_SizeOnly(RTUINTPTR lpszCodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

0abd77741a608f6c41c8dfcd4781b8b84adf1044vboxsyncPFNDISPARSE pfnFullDisasm[IDX_ParseMax] =

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync{

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseIllegal,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseModRM,

9496f2d398b49813176939d7a339ae513d5175efvboxsync UseModRM,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseImmByte,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseImmBRel,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseImmUshort,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseImmV,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseImmVRel,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseImmAddr,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseFixedReg,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseImmUlong,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseImmQword,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseTwoByteEsc,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseImmGrpl,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseShiftGrp2,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseGrp3,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseGrp4,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseGrp5,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync Parse3DNow,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp6,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp7,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp8,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp9,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp10,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp12,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp13,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp14,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp15,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseGrp16,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseModFence,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseYv,

7766bf675357fd940d8c49e69a5d72dc6eaa6be4vboxsync ParseYb,

7766bf675357fd940d8c49e69a5d72dc6eaa6be4vboxsync ParseXv,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseXb,

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseEscFP,

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync ParseNopPause,

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync ParseImmByteSX

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync};

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync

bbede9c189def47a9880f0ffb03c0c230c774185vboxsyncPFNDISPARSE pfnCalcSize[IDX_ParseMax] =

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync{

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync ParseIllegal,

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync ParseModRM_SizeOnly,

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync UseModRM,

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync ParseImmByte_SizeOnly,

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync ParseImmBRel_SizeOnly,

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync ParseImmUshort_SizeOnly,

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync ParseImmV_SizeOnly,

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync ParseImmVRel_SizeOnly,

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync ParseImmAddr_SizeOnly,

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync ParseFixedReg,

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync ParseImmUlong_SizeOnly,

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync ParseImmQword_SizeOnly,

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync ParseTwoByteEsc,

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync ParseImmGrpl,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseShiftGrp2,

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync ParseGrp3,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseGrp4,

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync ParseGrp5,

9496f2d398b49813176939d7a339ae513d5175efvboxsync Parse3DNow,

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync ParseGrp6,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseGrp7,

21029597fc4b76d0db0c9542daee201447281781vboxsync ParseGrp8,

21029597fc4b76d0db0c9542daee201447281781vboxsync ParseGrp9,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseGrp10,

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync ParseGrp12,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseGrp13,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseGrp14,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseGrp15,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseGrp16,

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync ParseModFence,

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync ParseYv,

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync ParseYb,

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync ParseXv,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseXb,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseEscFP,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseNopPause,

9496f2d398b49813176939d7a339ae513d5175efvboxsync ParseImmByteSX_SizeOnly

16a9adc14900ca18e6909679a579f6833425e030vboxsync};

16a9adc14900ca18e6909679a579f6833425e030vboxsync

9496f2d398b49813176939d7a339ae513d5175efvboxsyncstatic const unsigned g_aReg32Index[] =

9496f2d398b49813176939d7a339ae513d5175efvboxsync{

9496f2d398b49813176939d7a339ae513d5175efvboxsync RT_OFFSETOF(CPUMCTXCORE, eax), /* USE_REG_EAX */

9496f2d398b49813176939d7a339ae513d5175efvboxsync RT_OFFSETOF(CPUMCTXCORE, ecx), /* USE_REG_ECX */

9496f2d398b49813176939d7a339ae513d5175efvboxsync RT_OFFSETOF(CPUMCTXCORE, edx), /* USE_REG_EDX */

9496f2d398b49813176939d7a339ae513d5175efvboxsync RT_OFFSETOF(CPUMCTXCORE, ebx), /* USE_REG_EBX */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, esp), /* USE_REG_ESP */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, ebp), /* USE_REG_EBP */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, esi), /* USE_REG_ESI */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, edi) /* USE_REG_EDI */

16a9adc14900ca18e6909679a579f6833425e030vboxsync};

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync#define DIS_READ_REG32(p, idx) (*(uint32_t *)((char *)(p) + g_aReg32Index[idx]))

16a9adc14900ca18e6909679a579f6833425e030vboxsync#define DIS_WRITE_REG32(p, idx, val) (*(uint32_t *)((char *)(p) + g_aReg32Index[idx]) = val)

16a9adc14900ca18e6909679a579f6833425e030vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsyncstatic const unsigned g_aReg16Index[] =

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync{

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync RT_OFFSETOF(CPUMCTXCORE, eax), /* USE_REG_AX */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, ecx), /* USE_REG_CX */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, edx), /* USE_REG_DX */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, ebx), /* USE_REG_BX */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, esp), /* USE_REG_SP */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, ebp), /* USE_REG_BP */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, esi), /* USE_REG_SI */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, edi) /* USE_REG_DI */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync};

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync#define DIS_READ_REG16(p, idx) (*(uint16_t *)((char *)(p) + g_aReg16Index[idx]))

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync#define DIS_WRITE_REG16(p, idx, val) (*(uint16_t *)((char *)(p) + g_aReg16Index[idx]) = val)

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsyncstatic const unsigned g_aReg8Index[] =

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync{

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, eax), /* USE_REG_AL */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, ecx), /* USE_REG_CL */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, edx), /* USE_REG_DL */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, ebx), /* USE_REG_BL */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, eax) + 1, /* USE_REG_AH */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, ecx) + 1, /* USE_REG_CH */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, edx) + 1, /* USE_REG_DH */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync RT_OFFSETOF(CPUMCTXCORE, ebx) + 1 /* USE_REG_BH */

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync};

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync#define DIS_READ_REG8(p, idx) (*(uint8_t *)((char *)(p) + g_aReg8Index[idx]))

16a9adc14900ca18e6909679a579f6833425e030vboxsync#define DIS_WRITE_REG8(p, idx, val) (*(uint8_t *)((char *)(p) + g_aReg8Index[idx]) = val)

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsyncstatic const unsigned g_aRegSegIndex[] =

16a9adc14900ca18e6909679a579f6833425e030vboxsync{

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, es), /* USE_REG_ES */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, cs), /* USE_REG_CS */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, ss), /* USE_REG_SS */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, ds), /* USE_REG_DS */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, fs), /* USE_REG_FS */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, gs) /* USE_REG_GS */

16a9adc14900ca18e6909679a579f6833425e030vboxsync};

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsyncstatic const unsigned g_aRegHidSegIndex[] =

16a9adc14900ca18e6909679a579f6833425e030vboxsync{

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, esHid), /* USE_REG_ES */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, csHid), /* USE_REG_CS */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, ssHid), /* USE_REG_SS */

16a9adc14900ca18e6909679a579f6833425e030vboxsync RT_OFFSETOF(CPUMCTXCORE, dsHid), /* USE_REG_DS */

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync RT_OFFSETOF(CPUMCTXCORE, fsHid), /* USE_REG_FS */

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync RT_OFFSETOF(CPUMCTXCORE, gsHid) /* USE_REG_GS */

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync};

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync#define DIS_READ_REGSEG(p, idx) (*((uint16_t *)((char *)(p) + g_aRegSegIndex[idx])))

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync#define DIS_WRITE_REGSEG(p, idx, val) (*((uint16_t *)((char *)(p) + g_aRegSegIndex[idx])) = val)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsyncDISDECL(int) DISCoreOne(PDISCPUSTATE pCpu, RTUINTPTR InstructionAddr, unsigned *pcbInstruction)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync{

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync /*

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->prefix = PREFIX_NONE;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->prefix_seg = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->lastprefix = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->addrmode = pCpu->mode;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->opmode = pCpu->mode;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->ModRM = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->SIB = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->param1.parval = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->param2.parval = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->param3.parval = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->param1.szParam[0] = '\0';

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->param2.szParam[0] = '\0';

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->param3.szParam[0] = '\0';

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->param1.flags = 0;

a9d49c8f2b28a72e6a4db86eee91e4569290157bvboxsync pCpu->param2.flags = 0;

a9d49c8f2b28a72e6a4db86eee91e4569290157bvboxsync pCpu->param3.flags = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->param1.size = 0;

a9d49c8f2b28a72e6a4db86eee91e4569290157bvboxsync pCpu->param2.size = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->param3.size = 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pCpu->pfnReadBytes = 0;

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->uFilter = OPTYPE_ALL;

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->pfnDisasmFnTable = pfnFullDisasm;

9496f2d398b49813176939d7a339ae513d5175efvboxsync

9496f2d398b49813176939d7a339ae513d5175efvboxsync return VBOX_SUCCESS(disCoreOne(pCpu, InstructionAddr, pcbInstruction));

59d7f5939d42ad9d344fbad8401e00a900db92c5vboxsync}

59d7f5939d42ad9d344fbad8401e00a900db92c5vboxsync

5d0d754550d06b7d59a935e59caaf814462d53ccvboxsyncDISDECL(int) DISCoreOneEx(RTUINTPTR InstructionAddr, unsigned uCpuMode, PFN_DIS_READBYTES pfnReadBytes, void *pvUser,

d5ea45cc92d7f1d3ade8189944531f665bfe8ed5vboxsync PDISCPUSTATE pCpu, unsigned *pcbInstruction)

d5ea45cc92d7f1d3ade8189944531f665bfe8ed5vboxsync{

d5ea45cc92d7f1d3ade8189944531f665bfe8ed5vboxsync /*

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->prefix = PREFIX_NONE;

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->prefix_seg = 0;

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->lastprefix = 0;

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->mode = uCpuMode;

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->addrmode = uCpuMode;

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->opmode = uCpuMode;

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->ModRM = 0;

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->SIB = 0;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->param1.parval = 0;

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->param2.parval = 0;

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->param3.parval = 0;

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->param1.szParam[0] = '\0';

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->param2.szParam[0] = '\0';

468c2bcb36eb9a032f5dd0fcb34db10bd58e9996vboxsync pCpu->param3.szParam[0] = '\0';

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->param1.flags = 0;

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync pCpu->param2.flags = 0;

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->param3.flags = 0;

16a9adc14900ca18e6909679a579f6833425e030vboxsync pCpu->param1.size = 0;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->param2.size = 0;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->param3.size = 0;

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->pfnReadBytes = pfnReadBytes;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->apvUserData[0] = pvUser;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->uFilter = OPTYPE_ALL;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->pfnDisasmFnTable = pfnFullDisasm;

7766bf675357fd940d8c49e69a5d72dc6eaa6be4vboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return disCoreOne(pCpu, InstructionAddr, pcbInstruction);

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync}

bbede9c189def47a9880f0ffb03c0c230c774185vboxsync

fbf08fabb4c4b383d6aa2830c2bd5b943a26f10cvboxsyncstatic int disCoreOne(PDISCPUSTATE pCpu, RTUINTPTR InstructionAddr, unsigned *pcbInstruction)

fbf08fabb4c4b383d6aa2830c2bd5b943a26f10cvboxsync{

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync /*

5d0d754550d06b7d59a935e59caaf814462d53ccvboxsync unsigned iByte = 0;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync while(1)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync {

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync uint8_t codebyte = DISReadByte(pCpu, InstructionAddr+iByte);

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync uint8_t opcode = g_aOneByteMapX86[codebyte].opcode;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync /* Hardcoded assumption about OP_* values!! */

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync if (opcode <= OP_LOCK)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync {

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->lastprefix = opcode;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync switch(opcode)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync {

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync case OP_INVALID:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync AssertMsgFailed(("Invalid opcode!!\n"));

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return VERR_GENERAL_FAILURE; /** @todo better error code. */

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync // segment override prefix byte

9496f2d398b49813176939d7a339ae513d5175efvboxsync case OP_SEG:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->prefix_seg = g_aOneByteMapX86[codebyte].param1 - OP_PARM_REG_SEG_START;

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->prefix |= PREFIX_SEG;

9496f2d398b49813176939d7a339ae513d5175efvboxsync iByte += sizeof(uint8_t);

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync continue; //fetch the next byte

9496f2d398b49813176939d7a339ae513d5175efvboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync // lock prefix byte

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync case OP_LOCK:

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->prefix |= PREFIX_LOCK;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync iByte += sizeof(uint8_t);

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync continue; //fetch the next byte

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync // address size override prefix byte

9496f2d398b49813176939d7a339ae513d5175efvboxsync case OP_ADRSIZE:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->prefix |= PREFIX_ADDRSIZE;

9496f2d398b49813176939d7a339ae513d5175efvboxsync if(pCpu->mode == CPUMODE_16BIT)

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->addrmode = CPUMODE_32BIT;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync else pCpu->addrmode = CPUMODE_16BIT;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync iByte += sizeof(uint8_t);

9496f2d398b49813176939d7a339ae513d5175efvboxsync continue; //fetch the next byte

16a9adc14900ca18e6909679a579f6833425e030vboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync // operand size override prefix byte

a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync case OP_OPSIZE:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->prefix |= PREFIX_OPSIZE;

9496f2d398b49813176939d7a339ae513d5175efvboxsync if(pCpu->mode == CPUMODE_16BIT)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->opmode = CPUMODE_32BIT;

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync else pCpu->opmode = CPUMODE_16BIT;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync iByte += sizeof(uint8_t);

9496f2d398b49813176939d7a339ae513d5175efvboxsync continue; //fetch the next byte

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync // rep and repne are not really prefixes, but we'll treat them as such

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync case OP_REPE:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync pCpu->prefix |= PREFIX_REP;

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync iByte += sizeof(uint8_t);

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync continue; //fetch the next byte

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync case OP_REPNE:

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync pCpu->prefix |= PREFIX_REPNE;

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync iByte += sizeof(uint8_t);

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync continue; //fetch the next byte

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync }

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync }

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync unsigned uIdx = iByte;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync iByte += sizeof(uint8_t); //first opcode byte

7766bf675357fd940d8c49e69a5d72dc6eaa6be4vboxsync

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->opaddr = InstructionAddr + uIdx;

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->opcode = codebyte;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync int cbInc = ParseInstruction(InstructionAddr + iByte, &g_aOneByteMapX86[pCpu->opcode], pCpu);

9496f2d398b49813176939d7a339ae513d5175efvboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync iByte += cbInc;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync break;

a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync }

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

9496f2d398b49813176939d7a339ae513d5175efvboxsync pCpu->opsize = iByte;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync if (pcbInstruction)

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync *pcbInstruction = iByte;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return VINF_SUCCESS;

9496f2d398b49813176939d7a339ae513d5175efvboxsync}

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsyncDISDECL(int) DISGetParamSize(PDISCPUSTATE pCpu, POP_PARAMETER pParam)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync{

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync int subtype = OP_PARM_VSUBTYPE(pParam->param);

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync if(subtype == OP_PARM_v)

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync {

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync subtype = (pCpu->opmode == CPUMODE_32BIT) ? OP_PARM_d : OP_PARM_w;

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync }

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync switch(subtype)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync {

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync case OP_PARM_b:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return 1;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

7766bf675357fd940d8c49e69a5d72dc6eaa6be4vboxsync case OP_PARM_w:

9496f2d398b49813176939d7a339ae513d5175efvboxsync return 2;

9496f2d398b49813176939d7a339ae513d5175efvboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync case OP_PARM_d:

9496f2d398b49813176939d7a339ae513d5175efvboxsync return 4;

16a9adc14900ca18e6909679a579f6833425e030vboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync case OP_PARM_q:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync case OP_PARM_dq:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return 8;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync case OP_PARM_p:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync if(pCpu->addrmode == CPUMODE_32BIT)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return 8;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync else

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return 4;

9496f2d398b49813176939d7a339ae513d5175efvboxsync

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync default:

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync if(pParam->size)

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync return pParam->size;

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync else //@todo dangerous!!!

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync return 4;

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync }

ce03ea57fdcf3d48523b1de5b894feb75e1b34davboxsync}

7766bf675357fd940d8c49e69a5d72dc6eaa6be4vboxsyncDISDECL(int) DISDetectSegReg(PDISCPUSTATE pCpu, POP_PARAMETER pParam)

9496f2d398b49813176939d7a339ae513d5175efvboxsync{

9496f2d398b49813176939d7a339ae513d5175efvboxsync if(pCpu->prefix & PREFIX_SEG)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync {

a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync /* Use specified SEG: prefix. */

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return pCpu->prefix_seg;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync }

9496f2d398b49813176939d7a339ae513d5175efvboxsync else

16a9adc14900ca18e6909679a579f6833425e030vboxsync {

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync /* Guess segment register by parameter type. */

9496f2d398b49813176939d7a339ae513d5175efvboxsync if(pParam->flags & USE_REG_GEN32)

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync {

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync if(pParam->base.reg_gen32 == USE_REG_ESP || pParam->base.reg_gen32 == USE_REG_EBP)

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync return USE_REG_SS;

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync }

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync else

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync if(pParam->flags & USE_REG_GEN16)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync {

9496f2d398b49813176939d7a339ae513d5175efvboxsync if(pParam->base.reg_gen16 == USE_REG_SP || pParam->base.reg_gen16 == USE_REG_BP)

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return USE_REG_SS;

a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync }

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync /* Default is use DS: for data access. */

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return USE_REG_DS;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync }

16a9adc14900ca18e6909679a579f6833425e030vboxsync}

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsyncDISDECL(uint8_t) DISQuerySegPrefixByte(PDISCPUSTATE pCpu)

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync{

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync Assert(pCpu->prefix & PREFIX_SEG);

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync switch(pCpu->prefix_seg)

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync {

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync case USE_REG_ES:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return 0x26;

9496f2d398b49813176939d7a339ae513d5175efvboxsync case USE_REG_CS:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return 0x2E;

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync case USE_REG_SS:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return 0x36;

16a9adc14900ca18e6909679a579f6833425e030vboxsync case USE_REG_DS:

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync return 0x3E;

9496f2d398b49813176939d7a339ae513d5175efvboxsync case USE_REG_FS:

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync return 0x64;

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync case USE_REG_GS:

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync return 0x65;

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync default:

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync AssertFailed();

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync return 0;

9496f2d398b49813176939d7a339ae513d5175efvboxsync }

9496f2d398b49813176939d7a339ae513d5175efvboxsync}

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsyncDISDECL(int) DISFetchReg8(PCPUMCTXCORE pCtx, uint32_t reg8, uint8_t *pVal)

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync{

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync AssertReturn(reg8 < ELEMENTS(g_aReg8Index), VERR_INVALID_PARAMETER);

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync *pVal = DIS_READ_REG8(pCtx, reg8);

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync return VINF_SUCCESS;

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync}

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsyncDISDECL(int) DISFetchReg16(PCPUMCTXCORE pCtx, uint32_t reg16, uint16_t *pVal)

369a8817da53dbd5ea6ac360ca0376dba003cde4vboxsync{

59d7f5939d42ad9d344fbad8401e00a900db92c5vboxsync AssertReturn(reg16 < ELEMENTS(g_aReg16Index), VERR_INVALID_PARAMETER);

59d7f5939d42ad9d344fbad8401e00a900db92c5vboxsync

5341459ca931b65de60b5af2a4cba6836b6b45cavboxsync *pVal = DIS_READ_REG16(pCtx, reg16);

16a9adc14900ca18e6909679a579f6833425e030vboxsync return VINF_SUCCESS;

16a9adc14900ca18e6909679a579f6833425e030vboxsync}

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsyncDISDECL(int) DISFetchReg32(PCPUMCTXCORE pCtx, uint32_t reg32, uint32_t *pVal)

16a9adc14900ca18e6909679a579f6833425e030vboxsync{

16a9adc14900ca18e6909679a579f6833425e030vboxsync AssertReturn(reg32 < ELEMENTS(g_aReg32Index), VERR_INVALID_PARAMETER);

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync *pVal = DIS_READ_REG32(pCtx, reg32);

16a9adc14900ca18e6909679a579f6833425e030vboxsync return VINF_SUCCESS;

16a9adc14900ca18e6909679a579f6833425e030vboxsync}

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsyncDISDECL(int) DISFetchRegSeg(PCPUMCTXCORE pCtx, uint32_t sel, RTSEL *pVal)

16a9adc14900ca18e6909679a579f6833425e030vboxsync{

16a9adc14900ca18e6909679a579f6833425e030vboxsync AssertReturn(sel < ELEMENTS(g_aRegSegIndex), VERR_INVALID_PARAMETER);

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync AssertCompile(sizeof(uint16_t) == sizeof(RTSEL));

16a9adc14900ca18e6909679a579f6833425e030vboxsync *pVal = DIS_READ_REGSEG(pCtx, sel);

16a9adc14900ca18e6909679a579f6833425e030vboxsync return VINF_SUCCESS;

16a9adc14900ca18e6909679a579f6833425e030vboxsync}

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsyncDISDECL(int) DISFetchRegSegEx(PCPUMCTXCORE pCtx, uint32_t sel, RTSEL *pVal, CPUMSELREGHID **ppSelHidReg)

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync{

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync AssertReturn(sel < ELEMENTS(g_aRegSegIndex), VERR_INVALID_PARAMETER);

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync AssertCompile(sizeof(uint16_t) == sizeof(RTSEL));

975ad9d9bc9c4dc96b41d9f67a65228b1b338e2avboxsync *pVal = DIS_READ_REGSEG(pCtx, sel);

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync *ppSelHidReg = (CPUMSELREGHID *)((char *)pCtx + g_aRegHidSegIndex[sel]);

975ad9d9bc9c4dc96b41d9f67a65228b1b338e2avboxsync return VINF_SUCCESS;

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync}

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsyncDISDECL(int) DISWriteReg32(PCPUMCTXCORE pRegFrame, uint32_t reg32, uint32_t val32)

975ad9d9bc9c4dc96b41d9f67a65228b1b338e2avboxsync{

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync AssertReturn(reg32 < ELEMENTS(g_aReg32Index), VERR_INVALID_PARAMETER);

975ad9d9bc9c4dc96b41d9f67a65228b1b338e2avboxsync

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync DIS_WRITE_REG32(pRegFrame, reg32, val32);

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync return VINF_SUCCESS;

9c149a2789022f5011e88fb62f02a1cc8068e88fvboxsync}

efff36b306e370346025647a158689021df2e1d1vboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsyncDISDECL(int) DISWriteReg16(PCPUMCTXCORE pRegFrame, uint32_t reg16, uint16_t val16)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync{

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync AssertReturn(reg16 < ELEMENTS(g_aReg16Index), VERR_INVALID_PARAMETER);

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync DIS_WRITE_REG16(pRegFrame, reg16, val16);

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync return VINF_SUCCESS;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync}

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsyncDISDECL(int) DISWriteReg8(PCPUMCTXCORE pRegFrame, uint32_t reg8, uint8_t val8)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync{

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync AssertReturn(reg8 < ELEMENTS(g_aReg8Index), VERR_INVALID_PARAMETER);

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync DIS_WRITE_REG8(pRegFrame, reg8, val8);

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync return VINF_SUCCESS;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync}

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsyncDISDECL(int) DISWriteRegSeg(PCPUMCTXCORE pCtx, uint32_t sel, RTSEL val)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync{

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync AssertReturn(sel < ELEMENTS(g_aRegSegIndex), VERR_INVALID_PARAMETER);

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync AssertCompile(sizeof(uint16_t) == sizeof(RTSEL));

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync DIS_WRITE_REGSEG(pCtx, sel, val);

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync return VINF_SUCCESS;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync}

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

7b067f3f07310bff46d1d6a4ac94d8b9bb7ccccdvboxsyncDISDECL(int) DISQueryParamVal(PCPUMCTXCORE pCtx, PDISCPUSTATE pCpu, POP_PARAMETER pParam, POP_PARAMVAL pParamVal, PARAM_TYPE parmtype)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync{

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync memset(pParamVal, 0, sizeof(*pParamVal));

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & (USE_BASE|USE_INDEX|USE_DISPLACEMENT32|USE_DISPLACEMENT16|USE_DISPLACEMENT8))

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync // Effective address

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->type = PARMTYPE_ADDRESS;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->size = pParam->size;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_BASE)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_REG_GEN8)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->flags |= PARAM_VAL8;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(VBOX_FAILURE(DISFetchReg8(pCtx, pParam->base.reg_gen8, &pParamVal->val.val8))) return VERR_INVALID_PARAMETER;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync else

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_REG_GEN16)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->flags |= PARAM_VAL16;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(VBOX_FAILURE(DISFetchReg16(pCtx, pParam->base.reg_gen16, &pParamVal->val.val16))) return VERR_INVALID_PARAMETER;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync else

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_REG_GEN32)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->flags |= PARAM_VAL32;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(VBOX_FAILURE(DISFetchReg32(pCtx, pParam->base.reg_gen32, &pParamVal->val.val32))) return VERR_INVALID_PARAMETER;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync else {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync AssertFailed();

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync return VERR_INVALID_PARAMETER;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync // Note that scale implies index (SIB byte)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_INDEX)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync uint32_t val32;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->flags |= PARAM_VAL32;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(VBOX_FAILURE(DISFetchReg32(pCtx, pParam->index.reg_gen, &val32))) return VERR_INVALID_PARAMETER;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_SCALE)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync val32 *= pParam->scale;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->val.val32 += val32;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_DISPLACEMENT8)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pCpu->mode & CPUMODE_32BIT)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->val.val32 += (int32_t)pParam->disp8;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync else

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->val.val16 += (int16_t)pParam->disp8;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync else

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_DISPLACEMENT16)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pCpu->mode & CPUMODE_32BIT)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->val.val32 += (int32_t)pParam->disp16;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync else

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->val.val16 += pParam->disp16;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync else

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_DISPLACEMENT32)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pCpu->mode & CPUMODE_32BIT)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->val.val32 += pParam->disp32;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync else

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync Assert(0);

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync return VINF_SUCCESS;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & (USE_REG_GEN8|USE_REG_GEN16|USE_REG_GEN32|USE_REG_FP|USE_REG_MMX|USE_REG_XMM|USE_REG_CR|USE_REG_DBG|USE_REG_SEG|USE_REG_TEST))

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(parmtype == PARAM_DEST)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync // Caller needs to interpret the register according to the instruction (source/target, special value etc)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->type = PARMTYPE_REGISTER;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->size = pParam->size;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync return VINF_SUCCESS;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync }

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync //else PARAM_SOURCE

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->type = PARMTYPE_IMMEDIATE;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync if(pParam->flags & USE_REG_GEN8)

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync {

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->flags |= PARAM_VAL8;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->size = sizeof(uint8_t);

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(VBOX_FAILURE(DISFetchReg8(pCtx, pParam->base.reg_gen8, &pParamVal->val.val8))) return VERR_INVALID_PARAMETER;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync else

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(pParam->flags & USE_REG_GEN16)

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->flags |= PARAM_VAL16;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->size = sizeof(uint16_t);

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(VBOX_FAILURE(DISFetchReg16(pCtx, pParam->base.reg_gen16, &pParamVal->val.val16))) return VERR_INVALID_PARAMETER;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync else

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(pParam->flags & USE_REG_GEN32)

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->flags |= PARAM_VAL32;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->size = sizeof(uint32_t);

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(VBOX_FAILURE(DISFetchReg32(pCtx, pParam->base.reg_gen32, &pParamVal->val.val32))) return VERR_INVALID_PARAMETER;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync else

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync // Caller needs to interpret the register according to the instruction (source/target, special value etc)

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->type = PARMTYPE_REGISTER;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(pParam->flags & USE_IMMEDIATE)

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->type = PARMTYPE_IMMEDIATE;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(pParam->flags & (USE_IMMEDIATE8|USE_IMMEDIATE8_REL))

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->flags |= PARAM_VAL8;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(pParam->size == 2)

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->size = sizeof(uint16_t);

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->val.val16 = (uint8_t)pParam->parval;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync else

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->size = sizeof(uint8_t);

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->val.val8 = (uint8_t)pParam->parval;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync else

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(pParam->flags & (USE_IMMEDIATE16|USE_IMMEDIATE16_REL|USE_IMMEDIATE_ADDR_0_16|USE_IMMEDIATE16_SX8))

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->flags |= PARAM_VAL16;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->size = sizeof(uint16_t);

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->val.val16 = (uint16_t)pParam->parval;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync Assert(pParamVal->size == pParam->size || ((pParam->size == 1) && (pParam->flags & USE_IMMEDIATE16_SX8)) );

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync else

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(pParam->flags & (USE_IMMEDIATE32|USE_IMMEDIATE32_REL|USE_IMMEDIATE_ADDR_0_32|USE_IMMEDIATE32_SX8))

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->flags |= PARAM_VAL32;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->size = sizeof(uint32_t);

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync pParamVal->val.val32 = (uint32_t)pParam->parval;

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync Assert(pParamVal->size == pParam->size || ((pParam->size == 1) && (pParam->flags & USE_IMMEDIATE32_SX8)) );

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync }

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync else

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync if(pParam->flags & (USE_IMMEDIATE64))

d571b6e3237f0ce89ea27f6fa4635d41c5ee3d88vboxsync {

efff36b306e370346025647a158689021df2e1d1vboxsync pParamVal->flags |= PARAM_VAL64;

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->size = sizeof(uint64_t);

51fe8789a74f6c118894aaa12eb69ec155386dbdvboxsync pParamVal->val.val64 = pParam->parval;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync Assert(pParamVal->size == pParam->size);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync }

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync else

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync if(pParam->flags & (USE_IMMEDIATE_ADDR_16_16))

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync {

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync pParamVal->flags |= PARAM_VALFARPTR16;

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync pParamVal->size = sizeof(uint16_t)*2;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pParamVal->val.farptr.sel = (uint16_t)RT_LOWORD(pParam->parval >> 16);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pParamVal->val.farptr.offset = (uint32_t)RT_LOWORD(pParam->parval);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync Assert(pParamVal->size == pParam->size);

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync }

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync else

b7a5b3f9f9ecce32ddacf8404c625ce0451bbdc1vboxsync if(pParam->flags & (USE_IMMEDIATE_ADDR_16_32))

ff88d4153cd65650577e8c2d1a5a3fdfa0404a80vboxsync {

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pParamVal->flags |= PARAM_VALFARPTR32;

fe813b3594039ba864493438e78ee0e7132bc445vboxsync pParamVal->size = sizeof(uint16_t) + sizeof(uint32_t);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pParamVal->val.farptr.sel = (uint16_t)RT_LOWORD(pParam->parval >> 32);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pParamVal->val.farptr.offset = (uint32_t)(pParam->parval & 0xFFFFFFFF);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync Assert(pParam->size == 8);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync }

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync }

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync return VINF_SUCCESS;

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync}

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsyncunsigned ParseInstruction(RTUINTPTR lpszCodeBlock, PCOPCODE pOp, PDISCPUSTATE pCpu)

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync{

ff88d4153cd65650577e8c2d1a5a3fdfa0404a80vboxsync int size = 0;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync bool fFiltered = false;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync

fe813b3594039ba864493438e78ee0e7132bc445vboxsync // Store the opcode format string for disasmPrintf

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#ifndef DIS_CORE_ONLY

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pCpu->pszOpcode = pOp->pszOpcode;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync#endif

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pCpu->pCurInstr = pOp;

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync /*

fe813b3594039ba864493438e78ee0e7132bc445vboxsync if ((pOp->optype & pCpu->uFilter) == 0)

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync {

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync fFiltered = true;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pCpu->pfnDisasmFnTable = pfnCalcSize;

16a9adc14900ca18e6909679a579f6833425e030vboxsync }

16a9adc14900ca18e6909679a579f6833425e030vboxsync else

16a9adc14900ca18e6909679a579f6833425e030vboxsync {

16a9adc14900ca18e6909679a579f6833425e030vboxsync /* Not filtered out -> full disassembly */

16a9adc14900ca18e6909679a579f6833425e030vboxsync pCpu->pfnDisasmFnTable = pfnFullDisasm;

16a9adc14900ca18e6909679a579f6833425e030vboxsync }

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync // Should contain the parameter type on input

16a9adc14900ca18e6909679a579f6833425e030vboxsync pCpu->param1.param = pOp->param1;

16a9adc14900ca18e6909679a579f6833425e030vboxsync pCpu->param2.param = pOp->param2;

16a9adc14900ca18e6909679a579f6833425e030vboxsync pCpu->param3.param = pOp->param3;

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync if(pOp->idxParse1 != IDX_ParseNop) {

16a9adc14900ca18e6909679a579f6833425e030vboxsync size += pCpu->pfnDisasmFnTable[pOp->idxParse1](lpszCodeBlock, pOp, &pCpu->param1, pCpu);

16a9adc14900ca18e6909679a579f6833425e030vboxsync if (fFiltered == false) pCpu->param1.size = DISGetParamSize(pCpu, &pCpu->param1);

16a9adc14900ca18e6909679a579f6833425e030vboxsync }

16a9adc14900ca18e6909679a579f6833425e030vboxsync if(pOp->idxParse2 != IDX_ParseNop) {

16a9adc14900ca18e6909679a579f6833425e030vboxsync size += pCpu->pfnDisasmFnTable[pOp->idxParse2](lpszCodeBlock+size, pOp, &pCpu->param2, pCpu);

16a9adc14900ca18e6909679a579f6833425e030vboxsync if (fFiltered == false) pCpu->param2.size = DISGetParamSize(pCpu, &pCpu->param2);

16a9adc14900ca18e6909679a579f6833425e030vboxsync }

16a9adc14900ca18e6909679a579f6833425e030vboxsync if(pOp->idxParse3 != IDX_ParseNop) {

16a9adc14900ca18e6909679a579f6833425e030vboxsync size += pCpu->pfnDisasmFnTable[pOp->idxParse3](lpszCodeBlock+size, pOp, &pCpu->param3, pCpu);

16a9adc14900ca18e6909679a579f6833425e030vboxsync if (fFiltered == false) pCpu->param3.size = DISGetParamSize(pCpu, &pCpu->param3);

16a9adc14900ca18e6909679a579f6833425e030vboxsync }

16a9adc14900ca18e6909679a579f6833425e030vboxsync // else simple one byte instruction

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync return size;

16a9adc14900ca18e6909679a579f6833425e030vboxsync}

16a9adc14900ca18e6909679a579f6833425e030vboxsyncunsigned ParseEscFP(RTUINTPTR lpszCodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu)

16a9adc14900ca18e6909679a579f6833425e030vboxsync{

16a9adc14900ca18e6909679a579f6833425e030vboxsync int index;

16a9adc14900ca18e6909679a579f6833425e030vboxsync const OPCODE *fpop;

16a9adc14900ca18e6909679a579f6833425e030vboxsync unsigned size = 0;

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync pCpu->ModRM = DISReadByte(pCpu, lpszCodeBlock);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync index = pCpu->opcode - 0xD8;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync if(pCpu->ModRM <= 0xBF)

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync {

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync fpop = &(g_paMapX86_FP_Low[index])[MODRM_REG(pCpu->ModRM)];

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync pCpu->pCurInstr = (PCOPCODE)fpop;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync // Should contain the parameter type on input

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pCpu->param1.parval = fpop->param1;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pCpu->param2.parval = fpop->param2;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync /*

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync if ((fpop->optype & pCpu->uFilter) == 0)

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync {

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pCpu->pfnDisasmFnTable = pfnCalcSize;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync }

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync else

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync {

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync /* Not filtered out -> full disassembly */

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync pCpu->pfnDisasmFnTable = pfnFullDisasm;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync }

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync // Little hack to make sure the ModRM byte is included in the returned size

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync if(fpop->idxParse1 != IDX_ParseModRM && fpop->idxParse2 != IDX_ParseModRM)

b7a5b3f9f9ecce32ddacf8404c625ce0451bbdc1vboxsync {

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync size = sizeof(uint8_t); //ModRM byte

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync }

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync if(fpop->idxParse1 != IDX_ParseNop) {

fe813b3594039ba864493438e78ee0e7132bc445vboxsync size += pCpu->pfnDisasmFnTable[fpop->idxParse1](lpszCodeBlock+size, (PCOPCODE)fpop, pParam, pCpu);

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync }

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync if(fpop->idxParse2 != IDX_ParseNop) {

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync size += pCpu->pfnDisasmFnTable[fpop->idxParse2](lpszCodeBlock+size, (PCOPCODE)fpop, pParam, pCpu);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync }

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync }

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync else

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync {

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync size = sizeof(uint8_t); //ModRM byte only

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync fpop = &(g_paMapX86_FP_High[index])[pCpu->ModRM - 0xC0];

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync pCpu->pCurInstr = (PCOPCODE)fpop;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync /*

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync if ((fpop->optype & pCpu->uFilter) == 0)

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync {

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pCpu->pfnDisasmFnTable = pfnCalcSize;

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync }

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync else

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync {

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync /* Not filtered out -> full disassembly */

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pCpu->pfnDisasmFnTable = pfnFullDisasm;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync }

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync }

b7a5b3f9f9ecce32ddacf8404c625ce0451bbdc1vboxsync

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync // Store the opcode format string for disasmPrintf

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync#ifndef DIS_CORE_ONLY

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync pCpu->pszOpcode = fpop->pszOpcode;

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync#endif

fe813b3594039ba864493438e78ee0e7132bc445vboxsync

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync return size;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync}

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsyncconst char *szSIBBaseReg[8] = {"EAX", "ECX", "EDX", "EBX", "ESP", "EBP", "ESI", "EDI"};

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsyncconst char *szSIBIndexReg[8] = {"EAX", "ECX", "EDX", "EBX", NULL, "EBP", "ESI", "EDI"};

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsyncconst char *szSIBScale[4] = {"", "*2", "*4", "*8"};

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync

594521f7faf13f7a88f31e6cd76629bd67340229vboxsyncvoid UseSIB(RTUINTPTR lpszCodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu)

e04eeee1b306d610b0441cee9bf1c750100254d5vboxsync{

fe813b3594039ba864493438e78ee0e7132bc445vboxsync int scale, base, index;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync char szTemp[32];

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync szTemp[0] = '\0';

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync scale = SIB_SCALE(pCpu->SIB);

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync base = SIB_BASE(pCpu->SIB);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync index = SIB_INDEX(pCpu->SIB);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync if(szSIBIndexReg[index])

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync {

af90f37ee9175da3aed36bda13519a917cc4effbvboxsync pParam->flags |= USE_INDEX;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pParam->index.reg_gen = index;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync if(scale != 0)

9496f2d398b49813176939d7a339ae513d5175efvboxsync {

9496f2d398b49813176939d7a339ae513d5175efvboxsync pParam->flags |= USE_SCALE;

9496f2d398b49813176939d7a339ae513d5175efvboxsync pParam->scale = (1<<scale);

9496f2d398b49813176939d7a339ae513d5175efvboxsync }

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync if(base == 5 && MODRM_MOD(pCpu->ModRM) == 0)

7a3f491705173bc08122f2c7d26d48a8b4c5ceecvboxsync disasmAddStringF(szTemp, sizeof(szTemp), "%s%s", szSIBIndexReg[index], szSIBScale[scale]);

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync else

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync disasmAddStringF(szTemp, sizeof(szTemp), "%s+%s%s", szSIBBaseReg[base], szSIBIndexReg[index], szSIBScale[scale]);

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync }

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync else

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync {

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync if(base != 5 || MODRM_MOD(pCpu->ModRM) != 0)

b7a5b3f9f9ecce32ddacf8404c625ce0451bbdc1vboxsync disasmAddStringF(szTemp, sizeof(szTemp), "%s", szSIBBaseReg[base]);

a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync }

9496f2d398b49813176939d7a339ae513d5175efvboxsync

9496f2d398b49813176939d7a339ae513d5175efvboxsync if(base == 5 && MODRM_MOD(pCpu->ModRM) == 0)

9496f2d398b49813176939d7a339ae513d5175efvboxsync {

9496f2d398b49813176939d7a339ae513d5175efvboxsync // [scaled index] + disp32

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync disasmAddString(pParam->szParam, &szTemp[0]);

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync pParam->flags |= USE_DISPLACEMENT32;

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync pParam->disp32 = pCpu->disp;

fe813b3594039ba864493438e78ee0e7132bc445vboxsync disasmAddChar(pParam->szParam, '+');

9496f2d398b49813176939d7a339ae513d5175efvboxsync disasmPrintDisp32(pParam);

9496f2d398b49813176939d7a339ae513d5175efvboxsync }

9496f2d398b49813176939d7a339ae513d5175efvboxsync else

9496f2d398b49813176939d7a339ae513d5175efvboxsync {

a9f41cb889f53e8407561a6155052c441eb0fc5fvboxsync disasmAddString(pParam->szParam, szTemp);

9496f2d398b49813176939d7a339ae513d5175efvboxsync

9496f2d398b49813176939d7a339ae513d5175efvboxsync pParam->flags |= USE_BASE | USE_REG_GEN32;

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync pParam->base.reg_gen32 = base;

9496f2d398b49813176939d7a339ae513d5175efvboxsync }

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync return; /* Already fetched everything in ParseSIB; no size returned */

c7551981eb6d97331da479f68f14a9c56247e4f7vboxsync}

9496f2d398b49813176939d7a339ae513d5175efvboxsyncunsigned ParseSIB(RTUINTPTR lpszCodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu)

9496f2d398b49813176939d7a339ae513d5175efvboxsync{

9496f2d398b49813176939d7a339ae513d5175efvboxsync unsigned size = sizeof(uint8_t), base;

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync pCpu->SIB = DISReadByte(pCpu, lpszCodeBlock);

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync lpszCodeBlock += size;

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync base = SIB_BASE(pCpu->SIB);

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync if(base == 5 && MODRM_MOD(pCpu->ModRM) == 0)

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync {//additional 32 bits displacement

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync pCpu->disp = DISReadDWord(pCpu, lpszCodeBlock);

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync size += sizeof(int32_t);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync }

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync return size;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync}

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsyncunsigned ParseSIB_SizeOnly(RTUINTPTR lpszCodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu)

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync{

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync unsigned size = sizeof(uint8_t), base;

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync pCpu->SIB = DISReadByte(pCpu, lpszCodeBlock);

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync lpszCodeBlock += size;

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync base = SIB_BASE(pCpu->SIB);

a39ea3668b7019c23a68936259545f9b71bce1aavboxsync if(base == 5 && MODRM_MOD(pCpu->ModRM) == 0)

da3503c04ce76e653401396fe2795a9bc2427a1dvboxsync {//additional 32 bits displacement

da3503c04ce76e653401396fe2795a9bc2427a1dvboxsync size += sizeof(int32_t);

ee4d840f54fd2dcea8a73b1b86d5ec0db370b05dvboxsync }

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync return size;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync}

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsyncunsigned UseModRM(RTUINTPTR lpszCodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync{

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync int reg = MODRM_REG(pCpu->ModRM);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync int rm = MODRM_RM(pCpu->ModRM);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync int mod = MODRM_MOD(pCpu->ModRM);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync int vtype = OP_PARM_VTYPE(pParam->param);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync switch(vtype)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync {

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case OP_PARM_G: //general purpose register

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmModRMReg(pCpu, pOp, reg, pParam, 0);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync return 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync default:

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync if (IS_OP_PARM_RARE(vtype))

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync {

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync switch(vtype)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync {

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case OP_PARM_C: //control register

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddStringF(pParam->szParam, sizeof(pParam->szParam), "CR%d", reg);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_REG_CR;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->base.reg_ctrl = reg;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync return 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case OP_PARM_D: //debug register

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddStringF(pParam->szParam, sizeof(pParam->szParam), "DR%d", reg);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_REG_DBG;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->base.reg_dbg = reg;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync return 0;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync case OP_PARM_P: //MMX register

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync disasmAddStringF(pParam->szParam, sizeof(pParam->szParam), "MM%d", reg);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_REG_MMX;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->base.reg_mmx = reg;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync return 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case OP_PARM_S: //segment register

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmModRMSReg(pCpu, pOp, reg, pParam);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_REG_SEG;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync return 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case OP_PARM_T: //test register

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddStringF(pParam->szParam, sizeof(pParam->szParam), "TR%d", reg);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_REG_TEST;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->base.reg_test = reg;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync return 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case OP_PARM_V: //XMM register

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddStringF(pParam->szParam, sizeof(pParam->szParam), "XMM%d", reg);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_REG_XMM;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->base.reg_xmm = reg;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync return 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case OP_PARM_W: //XMM register or memory operand

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync if (mod == 3)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync {

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddStringF(pParam->szParam, sizeof(pParam->szParam), "XMM%d", rm);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_REG_XMM;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->base.reg_xmm = rm;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync return 0;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync /* else memory operand */

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync //TODO: bound

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync if(pCpu->addrmode == CPUMODE_32BIT)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync {//32 bits addressing mode

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync switch(mod)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync {

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case 0: //effective address

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmGetPtrString(pCpu, pOp, pParam);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddChar(pParam->szParam, '[');

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync if(rm == 4) {//SIB byte follows ModRM

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync UseSIB(lpszCodeBlock, pOp, pParam, pCpu);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync else

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync if(rm == 5) {//32 bits displacement

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_DISPLACEMENT32;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->disp32 = pCpu->disp;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmPrintDisp32(pParam);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync else {//register address

16a9adc14900ca18e6909679a579f6833425e030vboxsync pParam->flags |= USE_BASE;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmModRMReg(pCpu, pOp, rm, pParam, 1);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddChar(pParam->szParam, ']');

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync break;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case 1: //effective address + 8 bits displacement

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmGetPtrString(pCpu, pOp, pParam);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddChar(pParam->szParam, '[');

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync if(rm == 4) {//SIB byte follows ModRM

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync UseSIB(lpszCodeBlock, pOp, pParam, pCpu);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync else

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync {

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_BASE;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmModRMReg(pCpu, pOp, rm, pParam, 1);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->disp8 = pCpu->disp;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync pParam->flags |= USE_DISPLACEMENT8;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync if(pParam->disp8 != 0)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync {

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync if(pParam->disp8 > 0)

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddChar(pParam->szParam, '+');

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmPrintDisp8(pParam);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmAddChar(pParam->szParam, ']');

e74eef731a813e4e06680c587a6759b9974b29c9vboxsync break;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync case 2: //effective address + 32 bits displacement

16a9adc14900ca18e6909679a579f6833425e030vboxsync disasmGetPtrString(pCpu, pOp, pParam);

16a9adc14900ca18e6909679a579f6833425e030vboxsync disasmAddChar(pParam->szParam, '[');

16a9adc14900ca18e6909679a579f6833425e030vboxsync if(rm == 4) {//SIB byte follows ModRM

16a9adc14900ca18e6909679a579f6833425e030vboxsync UseSIB(lpszCodeBlock, pOp, pParam, pCpu);

16a9adc14900ca18e6909679a579f6833425e030vboxsync }

16a9adc14900ca18e6909679a579f6833425e030vboxsync else

16a9adc14900ca18e6909679a579f6833425e030vboxsync {

16a9adc14900ca18e6909679a579f6833425e030vboxsync pParam->flags |= USE_BASE;

16a9adc14900ca18e6909679a579f6833425e030vboxsync disasmModRMReg(pCpu, pOp, rm, pParam, 1);

16a9adc14900ca18e6909679a579f6833425e030vboxsync }

16a9adc14900ca18e6909679a579f6833425e030vboxsync pParam->disp32 = pCpu->disp;

16a9adc14900ca18e6909679a579f6833425e030vboxsync pParam->flags |= USE_DISPLACEMENT32;

16a9adc14900ca18e6909679a579f6833425e030vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync if(pParam->disp32 != 0)

16a9adc14900ca18e6909679a579f6833425e030vboxsync {

16a9adc14900ca18e6909679a579f6833425e030vboxsync disasmAddChar(pParam->szParam, '+');

16a9adc14900ca18e6909679a579f6833425e030vboxsync disasmPrintDisp32(pParam);

16a9adc14900ca18e6909679a579f6833425e030vboxsync }

16a9adc14900ca18e6909679a579f6833425e030vboxsync disasmAddChar(pParam->szParam, ']');

16a9adc14900ca18e6909679a579f6833425e030vboxsync break;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync case 3: //registers

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmModRMReg(pCpu, pOp, rm, pParam, 0);

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync break;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync }

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync else

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync {//16 bits addressing mode

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync switch(mod)

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync {

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync case 0: //effective address

cba6719bd64ec749967bbe931230452664109857vboxsync disasmGetPtrString(pCpu, pOp, pParam);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync disasmAddChar(pParam->szParam, '[');

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync if(rm == 6)

c28fa006ba669ad8f26ae31d00a338379c04ea1bvboxsync {//16 bits displacement

cba6719bd64ec749967bbe931230452664109857vboxsync pParam->disp16 = pCpu->disp;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync pParam->flags |= USE_DISPLACEMENT16;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync disasmPrintDisp16(pParam);

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync }

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync else

d9d5fbda1b8f7a6f7fae555db60d0e636fd03af8vboxsync {

d9d5fbda1b8f7a6f7fae555db60d0e636fd03af8vboxsync pParam->flags |= USE_BASE;

1bf495e3eec00dd79cecb6b36ef2a97f422c3737vboxsync disasmModRMReg16(pCpu, pOp, rm, pParam);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync }

e74eef731a813e4e06680c587a6759b9974b29c9vboxsync disasmAddChar(pParam->szParam, ']');

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync break;

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync case 1: //effective address + 8 bits displacement

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync disasmGetPtrString(pCpu, pOp, pParam);

8083a259c13e6e26e56ca2582edbad4a8cfac25avboxsync disasmAddChar(pParam->szParam, '[');

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync disasmModRMReg16(pCpu, pOp, rm, pParam);

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync pParam->disp8 = pCpu->disp;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync pParam->flags |= USE_BASE | USE_DISPLACEMENT8;

090d729e786b999dc285f8ea267f9effd1319544vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync if(pParam->disp8 != 0)

16a9adc14900ca18e6909679a579f6833425e030vboxsync {

16a9adc14900ca18e6909679a579f6833425e030vboxsync if(pParam->disp8 > 0)

16a9adc14900ca18e6909679a579f6833425e030vboxsync disasmAddChar(pParam->szParam, '+');

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync disasmPrintDisp8(pParam);

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync }

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync disasmAddChar(pParam->szParam, ']');

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync break;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync

16a9adc14900ca18e6909679a579f6833425e030vboxsync case 2: //effective address + 16 bits displacement

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync disasmGetPtrString(pCpu, pOp, pParam);

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync disasmAddChar(pParam->szParam, '[');

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync disasmModRMReg16(pCpu, pOp, rm, pParam);

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync pParam->disp16 = pCpu->disp;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync pParam->flags |= USE_BASE | USE_DISPLACEMENT16;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync if(pParam->disp16 != 0)

a0240ff4f7663045c848fdbc192ea3d4d9f70a11vboxsync {

9496f2d398b49813176939d7a339ae513d5175efvboxsync disasmAddChar(pParam->szParam, '+');

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync disasmPrintDisp16(pParam);

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync }

fc78e01f665145ab3641c5f8095e9ae984ddcb84vboxsync disasmAddChar(pParam->szParam, ']');

9496f2d398b49813176939d7a339ae513d5175efvboxsync break;

9496f2d398b49813176939d7a339ae513d5175efvboxsync

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync case 3: //registers

68a4ee3a31a0807abd03eae881c1bbaf4d42ee6dvboxsync disasmModRMReg(pCpu, pOp, rm, pParam, 0);

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync break;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync }

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync }

caf54c14752060b187e3fca12a6f71f4b13126b8vboxsync return 0; //everything was already fetched in ParseModRM

9496f2d398b49813176939d7a339ae513d5175efvboxsync}

9496f2d398b49813176939d7a339ae513d5175efvboxsyncunsigned QueryModRM(RTUINTPTR lpszCodeBlock, PCOPCODE pOp, POP_PARAMETER pParam, PDISCPUSTATE pCpu, int *pSibInc)

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync{

d80c85a1bc7317da7d0cd1254fae6a20db039c8cvboxsync int mod, rm, sibinc;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync unsigned size = 0;

548ca31b6b47c36bacce49bed3339cb8075b9681vboxsync