LLVM API Documentation

 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
Classes | Macros | Typedefs | Enumerations | Functions
X86DisassemblerDecoder.h File Reference
#include "X86DisassemblerDecoderCommon.h"
Include dependency graph for X86DisassemblerDecoder.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes

struct  InternalInstruction
 

Macros

#define INSTRUCTION_SPECIFIER_FIELDS   uint16_t operands;
 
#define INSTRUCTION_IDS   uint16_t instructionIDs;
 
#define modFromModRM(modRM)   (((modRM) & 0xc0) >> 6)
 
#define regFromModRM(modRM)   (((modRM) & 0x38) >> 3)
 
#define rmFromModRM(modRM)   ((modRM) & 0x7)
 
#define scaleFromSIB(sib)   (((sib) & 0xc0) >> 6)
 
#define indexFromSIB(sib)   (((sib) & 0x38) >> 3)
 
#define baseFromSIB(sib)   ((sib) & 0x7)
 
#define wFromREX(rex)   (((rex) & 0x8) >> 3)
 
#define rFromREX(rex)   (((rex) & 0x4) >> 2)
 
#define xFromREX(rex)   (((rex) & 0x2) >> 1)
 
#define bFromREX(rex)   ((rex) & 0x1)
 
#define rFromVEX2of3(vex)   (((~(vex)) & 0x80) >> 7)
 
#define xFromVEX2of3(vex)   (((~(vex)) & 0x40) >> 6)
 
#define bFromVEX2of3(vex)   (((~(vex)) & 0x20) >> 5)
 
#define mmmmmFromVEX2of3(vex)   ((vex) & 0x1f)
 
#define wFromVEX3of3(vex)   (((vex) & 0x80) >> 7)
 
#define vvvvFromVEX3of3(vex)   (((~(vex)) & 0x78) >> 3)
 
#define lFromVEX3of3(vex)   (((vex) & 0x4) >> 2)
 
#define ppFromVEX3of3(vex)   ((vex) & 0x3)
 
#define rFromVEX2of2(vex)   (((~(vex)) & 0x80) >> 7)
 
#define vvvvFromVEX2of2(vex)   (((~(vex)) & 0x78) >> 3)
 
#define lFromVEX2of2(vex)   (((vex) & 0x4) >> 2)
 
#define ppFromVEX2of2(vex)   ((vex) & 0x3)
 
#define rFromXOP2of3(xop)   (((~(xop)) & 0x80) >> 7)
 
#define xFromXOP2of3(xop)   (((~(xop)) & 0x40) >> 6)
 
#define bFromXOP2of3(xop)   (((~(xop)) & 0x20) >> 5)
 
#define mmmmmFromXOP2of3(xop)   ((xop) & 0x1f)
 
#define wFromXOP3of3(xop)   (((xop) & 0x80) >> 7)
 
#define vvvvFromXOP3of3(vex)   (((~(vex)) & 0x78) >> 3)
 
#define lFromXOP3of3(xop)   (((xop) & 0x4) >> 2)
 
#define ppFromXOP3of3(xop)   ((xop) & 0x3)
 
#define REGS_8BIT
 
#define EA_BASES_16BIT
 
#define REGS_16BIT
 
#define EA_BASES_32BIT
 
#define REGS_32BIT
 
#define EA_BASES_64BIT
 
#define REGS_64BIT
 
#define REGS_MMX
 
#define REGS_XMM
 
#define REGS_YMM
 
#define REGS_ZMM
 
#define REGS_SEGMENT
 
#define REGS_DEBUG
 
#define REGS_CONTROL
 
#define ALL_EA_BASES
 
#define ALL_SIB_BASES
 
#define ALL_REGS
 
#define ENTRY(x)   EA_BASE_##x,
 
#define ENTRY(x)   EA_REG_##x,
 
#define ENTRY(x)   SIB_INDEX_##x,
 
#define ENTRY(x)   SIB_BASE_##x,
 
#define ENTRY(x)   MODRM_REG_##x,
 

Typedefs

typedef uint8_t BOOL
 
typedef int(* byteReader_t )(const void *arg, uint8_t *byte, uint64_t address)
 
typedef void(* dlog_t )(void *arg, const char *log)
 

Enumerations

enum  EABase { EA_BASE_NONE, EA_max }
 
enum  SIBIndex { SIB_INDEX_NONE, SIB_INDEX_max }
 
enum  SIBBase { SIB_BASE_NONE, SIB_BASE_max }
 
enum  EADisplacement { EA_DISP_NONE, EA_DISP_8, EA_DISP_16, EA_DISP_32 }
 
enum  Reg { MODRM_REG_max }
 
enum  SegmentOverride {
  SEG_OVERRIDE_NONE, SEG_OVERRIDE_CS, SEG_OVERRIDE_SS, SEG_OVERRIDE_DS,
  SEG_OVERRIDE_ES, SEG_OVERRIDE_FS, SEG_OVERRIDE_GS, SEG_OVERRIDE_max
}
 
enum  VEXLeadingOpcodeByte { VEX_LOB_0F = 0x1, VEX_LOB_0F38 = 0x2, VEX_LOB_0F3A = 0x3 }
 
enum  XOPMapSelect { XOP_MAP_SELECT_8 = 0x8, XOP_MAP_SELECT_9 = 0x9, XOP_MAP_SELECT_A = 0xA }
 
enum  VEXPrefixCode { VEX_PREFIX_NONE = 0x0, VEX_PREFIX_66 = 0x1, VEX_PREFIX_F3 = 0x2, VEX_PREFIX_F2 = 0x3 }
 
enum  VEXXOPType { TYPE_NO_VEX_XOP = 0x0, TYPE_VEX_2B = 0x1, TYPE_VEX_3B = 0x2, TYPE_XOP = 0x3 }
 

Functions

int decodeInstruction (struct InternalInstruction *insn, byteReader_t reader, const void *readerArg, dlog_t logger, void *loggerArg, const void *miiArg, uint64_t startLoc, DisassemblerMode mode)
 
void x86DisassemblerDebug (const char *file, unsigned line, const char *s)
 
const char * x86DisassemblerGetInstrName (unsigned Opcode, const void *mii)
 

Macro Definition Documentation

#define ALL_EA_BASES
Value:
EA_BASES_16BIT \
EA_BASES_32BIT \
EA_BASES_64BIT
EA_BASES_64BIT
#define EA_BASES_64BIT
Definition: X86DisassemblerDecoder.h:169

Definition at line 346 of file X86DisassemblerDecoder.h.

Referenced by translateRMMemory(), and translateRMRegister().

#define ALL_REGS
Value:
REGS_8BIT \
REGS_16BIT \
REGS_32BIT \
REGS_64BIT \
REGS_MMX \
REGS_XMM \
REGS_YMM \
REGS_ZMM \
REGS_SEGMENT \
REGS_DEBUG \
REGS_CONTROL \
ENTRY(RIP)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 355 of file X86DisassemblerDecoder.h.

Referenced by translateRegister(), translateRMMemory(), and translateRMRegister().

#define ALL_SIB_BASES
Value:
REGS_32BIT \
REGS_64BIT
REGS_64BIT
#define REGS_64BIT
Definition: X86DisassemblerDecoder.h:187

Definition at line 351 of file X86DisassemblerDecoder.h.

Referenced by translateRMMemory().

#define baseFromSIB (   sib)    ((sib) & 0x7)

Definition at line 42 of file X86DisassemblerDecoder.h.

Referenced by readSIB().

#define bFromREX (   rex)    ((rex) & 0x1)

Definition at line 46 of file X86DisassemblerDecoder.h.

Referenced by readModRM(), readOpcodeRegister(), and readSIB().

#define bFromVEX2of3 (   vex)    (((~(vex)) & 0x20) >> 5)

Definition at line 50 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

#define bFromXOP2of3 (   xop)    (((~(xop)) & 0x20) >> 5)

Definition at line 64 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

#define EA_BASES_16BIT
Value:
ENTRY(BX_SI) \
ENTRY(BX_DI) \
ENTRY(BP_SI) \
ENTRY(BP_DI) \
ENTRY(SI) \
ENTRY(DI) \
ENTRY(BP) \
ENTRY(BX) \
ENTRY(R8W) \
ENTRY(R9W) \
ENTRY(R10W) \
ENTRY(R11W) \
ENTRY(R12W) \
ENTRY(R13W) \
ENTRY(R14W) \
ENTRY(R15W)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 97 of file X86DisassemblerDecoder.h.

#define EA_BASES_32BIT
Value:
ENTRY(EAX) \
ENTRY(ECX) \
ENTRY(EDX) \
ENTRY(EBX) \
ENTRY(sib) \
ENTRY(EBP) \
ENTRY(ESI) \
ENTRY(EDI) \
ENTRY(R8D) \
ENTRY(R9D) \
ENTRY(R10D) \
ENTRY(R11D) \
ENTRY(R12D) \
ENTRY(R13D) \
ENTRY(R14D) \
ENTRY(R15D)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 133 of file X86DisassemblerDecoder.h.

Referenced by translateRMMemory().

#define EA_BASES_64BIT
Value:
ENTRY(RAX) \
ENTRY(RCX) \
ENTRY(RDX) \
ENTRY(RBX) \
ENTRY(sib64) \
ENTRY(RBP) \
ENTRY(RSI) \
ENTRY(RDI) \
ENTRY(R8) \
ENTRY(R9) \
ENTRY(R10) \
ENTRY(R11) \
ENTRY(R12) \
ENTRY(R13) \
ENTRY(R14) \
ENTRY(R15)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 169 of file X86DisassemblerDecoder.h.

Referenced by translateRMMemory().

#define ENTRY (   x)    EA_BASE_##x,

Definition at line 429 of file X86DisassemblerDecoder.h.

#define ENTRY (   x)    EA_REG_##x,

Definition at line 429 of file X86DisassemblerDecoder.h.

#define ENTRY (   x)    SIB_INDEX_##x,

Definition at line 429 of file X86DisassemblerDecoder.h.

#define ENTRY (   x)    SIB_BASE_##x,

Definition at line 429 of file X86DisassemblerDecoder.h.

#define ENTRY (   x)    MODRM_REG_##x,

Definition at line 429 of file X86DisassemblerDecoder.h.

#define indexFromSIB (   sib)    (((sib) & 0x38) >> 3)

Definition at line 41 of file X86DisassemblerDecoder.h.

Referenced by readSIB().

#define INSTRUCTION_IDS   uint16_t instructionIDs;

Definition at line 26 of file X86DisassemblerDecoder.h.

#define INSTRUCTION_SPECIFIER_FIELDS   uint16_t operands;

Definition at line 23 of file X86DisassemblerDecoder.h.

#define lFromVEX2of2 (   vex)    (((vex) & 0x4) >> 2)

Definition at line 59 of file X86DisassemblerDecoder.h.

Referenced by getID().

#define lFromVEX3of3 (   vex)    (((vex) & 0x4) >> 2)

Definition at line 54 of file X86DisassemblerDecoder.h.

Referenced by getID().

#define lFromXOP3of3 (   xop)    (((xop) & 0x4) >> 2)

Definition at line 68 of file X86DisassemblerDecoder.h.

Referenced by getID().

#define mmmmmFromVEX2of3 (   vex)    ((vex) & 0x1f)

Definition at line 51 of file X86DisassemblerDecoder.h.

Referenced by readOpcode().

#define mmmmmFromXOP2of3 (   xop)    ((xop) & 0x1f)

Definition at line 65 of file X86DisassemblerDecoder.h.

Referenced by readOpcode().

#define modFromModRM (   modRM)    (((modRM) & 0xc0) >> 6)

Definition at line 37 of file X86DisassemblerDecoder.h.

Referenced by decode(), readModRM(), and readSIB().

#define ppFromVEX2of2 (   vex)    ((vex) & 0x3)

Definition at line 60 of file X86DisassemblerDecoder.h.

Referenced by getID(), and readPrefixes().

#define ppFromVEX3of3 (   vex)    ((vex) & 0x3)

Definition at line 55 of file X86DisassemblerDecoder.h.

Referenced by getID(), and readPrefixes().

#define ppFromXOP3of3 (   xop)    ((xop) & 0x3)

Definition at line 69 of file X86DisassemblerDecoder.h.

Referenced by getID(), and readPrefixes().

#define regFromModRM (   modRM)    (((modRM) & 0x38) >> 3)

Definition at line 38 of file X86DisassemblerDecoder.h.

Referenced by readModRM().

#define REGS_16BIT
Value:
ENTRY(AX) \
ENTRY(CX) \
ENTRY(DX) \
ENTRY(BX) \
ENTRY(SP) \
ENTRY(BP) \
ENTRY(SI) \
ENTRY(DI) \
ENTRY(R8W) \
ENTRY(R9W) \
ENTRY(R10W) \
ENTRY(R11W) \
ENTRY(R12W) \
ENTRY(R13W) \
ENTRY(R14W) \
ENTRY(R15W)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 115 of file X86DisassemblerDecoder.h.

#define REGS_32BIT
Value:
ENTRY(EAX) \
ENTRY(ECX) \
ENTRY(EDX) \
ENTRY(EBX) \
ENTRY(ESP) \
ENTRY(EBP) \
ENTRY(ESI) \
ENTRY(EDI) \
ENTRY(R8D) \
ENTRY(R9D) \
ENTRY(R10D) \
ENTRY(R11D) \
ENTRY(R12D) \
ENTRY(R13D) \
ENTRY(R14D) \
ENTRY(R15D)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 151 of file X86DisassemblerDecoder.h.

#define REGS_64BIT
Value:
ENTRY(RAX) \
ENTRY(RCX) \
ENTRY(RDX) \
ENTRY(RBX) \
ENTRY(RSP) \
ENTRY(RBP) \
ENTRY(RSI) \
ENTRY(RDI) \
ENTRY(R8) \
ENTRY(R9) \
ENTRY(R10) \
ENTRY(R11) \
ENTRY(R12) \
ENTRY(R13) \
ENTRY(R14) \
ENTRY(R15)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 187 of file X86DisassemblerDecoder.h.

#define REGS_8BIT
Value:
ENTRY(AL) \
ENTRY(CL) \
ENTRY(DL) \
ENTRY(BL) \
ENTRY(AH) \
ENTRY(CH) \
ENTRY(DH) \
ENTRY(BH) \
ENTRY(R8B) \
ENTRY(R9B) \
ENTRY(R10B) \
ENTRY(R11B) \
ENTRY(R12B) \
ENTRY(R13B) \
ENTRY(R14B) \
ENTRY(R15B) \
ENTRY(SPL) \
ENTRY(BPL) \
ENTRY(SIL) \
ENTRY(DIL)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 75 of file X86DisassemblerDecoder.h.

#define REGS_CONTROL
Value:
ENTRY(CR0) \
ENTRY(CR1) \
ENTRY(CR2) \
ENTRY(CR3) \
ENTRY(CR4) \
ENTRY(CR5) \
ENTRY(CR6) \
ENTRY(CR7) \
ENTRY(CR8)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 335 of file X86DisassemblerDecoder.h.

#define REGS_DEBUG
Value:
ENTRY(DR0) \
ENTRY(DR1) \
ENTRY(DR2) \
ENTRY(DR3) \
ENTRY(DR4) \
ENTRY(DR5) \
ENTRY(DR6) \
ENTRY(DR7)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 325 of file X86DisassemblerDecoder.h.

#define REGS_MMX
Value:
ENTRY(MM0) \
ENTRY(MM1) \
ENTRY(MM2) \
ENTRY(MM3) \
ENTRY(MM4) \
ENTRY(MM5) \
ENTRY(MM6) \
ENTRY(MM7)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 205 of file X86DisassemblerDecoder.h.

#define REGS_SEGMENT
Value:
ENTRY(ES) \
ENTRY(CS) \
ENTRY(SS) \
ENTRY(DS) \
ENTRY(FS) \
ENTRY(GS)
ENTRY
#define ENTRY(x)
Definition: X86DisassemblerDecoder.h:429

Definition at line 317 of file X86DisassemblerDecoder.h.

#define REGS_XMM

Definition at line 215 of file X86DisassemblerDecoder.h.

Referenced by translateRMMemory().

#define REGS_YMM

Definition at line 249 of file X86DisassemblerDecoder.h.

Referenced by translateRMMemory().

#define REGS_ZMM

Definition at line 283 of file X86DisassemblerDecoder.h.

Referenced by translateRMMemory().

#define rFromREX (   rex)    (((rex) & 0x4) >> 2)

Definition at line 44 of file X86DisassemblerDecoder.h.

Referenced by readModRM().

#define rFromVEX2of2 (   vex)    (((~(vex)) & 0x80) >> 7)

Definition at line 57 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

#define rFromVEX2of3 (   vex)    (((~(vex)) & 0x80) >> 7)

Definition at line 48 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

#define rFromXOP2of3 (   xop)    (((~(xop)) & 0x80) >> 7)

Definition at line 62 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

#define rmFromModRM (   modRM)    ((modRM) & 0x7)

Definition at line 39 of file X86DisassemblerDecoder.h.

Referenced by readModRM().

#define scaleFromSIB (   sib)    (((sib) & 0xc0) >> 6)

Definition at line 40 of file X86DisassemblerDecoder.h.

Referenced by readSIB().

#define vvvvFromVEX2of2 (   vex)    (((~(vex)) & 0x78) >> 3)

Definition at line 58 of file X86DisassemblerDecoder.h.

Referenced by readVVVV().

#define vvvvFromVEX3of3 (   vex)    (((~(vex)) & 0x78) >> 3)

Definition at line 53 of file X86DisassemblerDecoder.h.

Referenced by readVVVV().

#define vvvvFromXOP3of3 (   vex)    (((~(vex)) & 0x78) >> 3)

Definition at line 67 of file X86DisassemblerDecoder.h.

Referenced by readVVVV().

#define wFromREX (   rex)    (((rex) & 0x8) >> 3)

Definition at line 43 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

#define wFromVEX3of3 (   vex)    (((vex) & 0x80) >> 7)

Definition at line 52 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

#define wFromXOP3of3 (   xop)    (((xop) & 0x80) >> 7)

Definition at line 66 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

#define xFromREX (   rex)    (((rex) & 0x2) >> 1)

Definition at line 45 of file X86DisassemblerDecoder.h.

Referenced by readSIB().

#define xFromVEX2of3 (   vex)    (((~(vex)) & 0x40) >> 6)

Definition at line 49 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

#define xFromXOP2of3 (   xop)    (((~(xop)) & 0x40) >> 6)

Definition at line 63 of file X86DisassemblerDecoder.h.

Referenced by readPrefixes().

Typedef Documentation

typedef uint8_t BOOL

Definition at line 483 of file X86DisassemblerDecoder.h.

typedef int(* byteReader_t)(const void *arg, uint8_t *byte, uint64_t address)

Definition at line 496 of file X86DisassemblerDecoder.h.

typedef void(* dlog_t)(void *arg, const char *log)

Definition at line 506 of file X86DisassemblerDecoder.h.

Enumeration Type Documentation

enum EABase
Enumerator
EA_BASE_NONE 
EA_max 

Definition at line 375 of file X86DisassemblerDecoder.h.

enum EADisplacement
Enumerator
EA_DISP_NONE 
EA_DISP_8 
EA_DISP_16 
EA_DISP_32 

Definition at line 418 of file X86DisassemblerDecoder.h.

enum Reg
Enumerator
MODRM_REG_max 

Definition at line 428 of file X86DisassemblerDecoder.h.

enum SegmentOverride
Enumerator
SEG_OVERRIDE_NONE 
SEG_OVERRIDE_CS 
SEG_OVERRIDE_SS 
SEG_OVERRIDE_DS 
SEG_OVERRIDE_ES 
SEG_OVERRIDE_FS 
SEG_OVERRIDE_GS 
SEG_OVERRIDE_max 

Definition at line 438 of file X86DisassemblerDecoder.h.

enum SIBBase
Enumerator
SIB_BASE_NONE 
SIB_BASE_max 

Definition at line 406 of file X86DisassemblerDecoder.h.

enum SIBIndex
Enumerator
SIB_INDEX_NONE 
SIB_INDEX_max 

Definition at line 392 of file X86DisassemblerDecoder.h.

enum VEXLeadingOpcodeByte
Enumerator
VEX_LOB_0F 
VEX_LOB_0F38 
VEX_LOB_0F3A 

Definition at line 453 of file X86DisassemblerDecoder.h.

enum VEXPrefixCode
Enumerator
VEX_PREFIX_NONE 
VEX_PREFIX_66 
VEX_PREFIX_F3 
VEX_PREFIX_F2 

Definition at line 469 of file X86DisassemblerDecoder.h.

enum VEXXOPType
Enumerator
TYPE_NO_VEX_XOP 
TYPE_VEX_2B 
TYPE_VEX_3B 
TYPE_XOP 

Definition at line 476 of file X86DisassemblerDecoder.h.

enum XOPMapSelect
Enumerator
XOP_MAP_SELECT_8 
XOP_MAP_SELECT_9 
XOP_MAP_SELECT_A 

Definition at line 459 of file X86DisassemblerDecoder.h.

Function Documentation

int decodeInstruction ( struct InternalInstruction *  insn,
byteReader_t  reader,
const void *  readerArg,
dlog_t  logger,
void *  loggerArg,
const void *  miiArg,
uint64_t  startLoc,
DisassemblerMode  mode 
)

Definition at line 1712 of file X86DisassemblerDecoder.c.

References dbgprintf(), InternalInstruction::dlog, InternalInstruction::dlogArg, getID(), InternalInstruction::instructionID, InternalInstruction::length, logger(), llvm::Intrinsic::memset, InternalInstruction::mode, InternalInstruction::numImmediatesConsumed, InternalInstruction::operands, InternalInstruction::reader, InternalInstruction::readerArg, InternalInstruction::readerCursor, readOpcode(), readOperands(), readPrefixes(), InternalInstruction::spec, and InternalInstruction::startLocation.

Referenced by llvm::X86Disassembler::X86GenericDisassembler::getInstruction().

void x86DisassemblerDebug ( const char *  file,
unsigned  line,
const char *  s 
)

Definition at line 38 of file X86Disassembler.cpp.

References llvm::dbgs().

const char* x86DisassemblerGetInstrName ( unsigned  Opcode,
const void *  mii 
)

Definition at line 44 of file X86Disassembler.cpp.

References llvm::MCInstrInfo::getName(), and MII.

Referenced by getID().

Generated on Tue Mar 18 2014 10:39:49 for LLVM by Doxygen1.8.6
Copyright © 2003-2013 University of Illinois at Urbana-Champaign. All Rights Reserved.