llvm-project/lldb/source/Plugins/Instruction/ARM/EmulateInstructionARM.h
Greg Clayton 34132754bd Fixed some issues with ARM backtraces by not processing any push/pop
instructions if they are conditional. Also fixed issues where the PC wasn't
getting bit zero stripped for ARM targets when a stack frame was thumb. We
now properly call through the GetOpcodeLoadAddress() functions to make sure
the addresses are properly stripped for any targets that may decorate up
their addresses.

We now don't pass the SIGSTOP signals along. We can revisit this soon, but
currently this was interfering with debugging some older ARM targets that
don't have vCont support in the GDB server.

llvm-svn: 134461
2011-07-06 04:07:21 +00:00

1000 lines
31 KiB
C++

//===-- lldb_EmulateInstructionARM.h ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef lldb_EmulateInstructionARM_h_
#define lldb_EmulateInstructionARM_h_
#include "lldb/Core/EmulateInstruction.h"
#include "lldb/Core/Error.h"
#include "lldb/Interpreter/NamedOptionValue.h"
#include "Plugins/Process/Utility/ARMDefines.h"
namespace lldb_private {
// ITSession - Keep track of the IT Block progression.
class ITSession
{
public:
ITSession() : ITCounter(0), ITState(0) {}
~ITSession() {}
// InitIT - Initializes ITCounter/ITState.
bool InitIT(uint32_t bits7_0);
// ITAdvance - Updates ITCounter/ITState as IT Block progresses.
void ITAdvance();
// InITBlock - Returns true if we're inside an IT Block.
bool InITBlock();
// LastInITBlock - Returns true if we're the last instruction inside an IT Block.
bool LastInITBlock();
// GetCond - Gets condition bits for the current thumb instruction.
uint32_t GetCond();
private:
uint32_t ITCounter; // Possible values: 0, 1, 2, 3, 4.
uint32_t ITState; // A2.5.2 Consists of IT[7:5] and IT[4:0] initially.
};
class EmulateInstructionARM : public EmulateInstruction
{
public:
typedef enum
{
eEncodingA1,
eEncodingA2,
eEncodingA3,
eEncodingA4,
eEncodingA5,
eEncodingT1,
eEncodingT2,
eEncodingT3,
eEncodingT4,
eEncodingT5
} ARMEncoding;
static void
Initialize ();
static void
Terminate ();
static const char *
GetPluginNameStatic ();
static const char *
GetPluginDescriptionStatic ();
static lldb_private::EmulateInstruction *
CreateInstance (const lldb_private::ArchSpec &arch,
InstructionType inst_type);
static bool
SupportsEmulatingIntructionsOfTypeStatic (InstructionType inst_type)
{
switch (inst_type)
{
case eInstructionTypeAny:
case eInstructionTypePrologueEpilogue:
case eInstructionTypePCModifying:
return true;
case eInstructionTypeAll:
return false;
default:
break;
}
return false;
}
virtual const char *
GetPluginName()
{
return "EmulateInstructionARM";
}
virtual const char *
GetShortPluginName()
{
return GetPluginNameStatic();
}
virtual uint32_t
GetPluginVersion()
{
return 1;
}
bool
SetTargetTriple (const ArchSpec &arch);
enum Mode
{
eModeInvalid = -1,
eModeARM,
eModeThumb
};
EmulateInstructionARM (const ArchSpec &arch) :
EmulateInstruction (arch),
m_arm_isa (0),
m_opcode_mode (eModeInvalid),
m_opcode_cpsr (0),
m_it_session (),
m_ignore_conditions (false)
{
SetArchitecture (arch);
}
// EmulateInstructionARM (const ArchSpec &arch,
// bool ignore_conditions,
// void *baton,
// ReadMemory read_mem_callback,
// WriteMemory write_mem_callback,
// ReadRegister read_reg_callback,
// WriteRegister write_reg_callback) :
// EmulateInstruction (arch,
// ignore_conditions,
// baton,
// read_mem_callback,
// write_mem_callback,
// read_reg_callback,
// write_reg_callback),
// m_arm_isa (0),
// m_opcode_mode (eModeInvalid),
// m_opcode_cpsr (0),
// m_it_session ()
// {
// }
virtual bool
SupportsEmulatingIntructionsOfType (InstructionType inst_type)
{
return SupportsEmulatingIntructionsOfTypeStatic (inst_type);
}
virtual bool
SetArchitecture (const ArchSpec &arch);
virtual bool
ReadInstruction ();
virtual bool
SetInstruction (const Opcode &insn_opcode, const Address &inst_addr, Target *target);
virtual bool
EvaluateInstruction (uint32_t evaluate_options);
virtual bool
TestEmulation (Stream *out_stream, ArchSpec &arch, OptionValueDictionary *test_data);
virtual bool
GetRegisterInfo (uint32_t reg_kind, uint32_t reg_num, RegisterInfo &reg_info);
virtual bool
CreateFunctionEntryUnwind (UnwindPlan &unwind_plan);
uint32_t
ArchVersion();
bool
ConditionPassed (const uint32_t opcode,
bool *is_conditional = NULL); // Filled in with true if the opcode is a conditional opcode
// Filled in with false if the opcode is always executed
uint32_t
CurrentCond (const uint32_t opcode);
// InITBlock - Returns true if we're in Thumb mode and inside an IT Block.
bool InITBlock();
// LastInITBlock - Returns true if we're in Thumb mode and the last instruction inside an IT Block.
bool LastInITBlock();
bool
BadMode (uint32_t mode);
bool
CurrentModeIsPrivileged ();
void
CPSRWriteByInstr (uint32_t value, uint32_t bytemask, bool affect_execstate);
bool
BranchWritePC(const Context &context, uint32_t addr);
bool
BXWritePC(Context &context, uint32_t addr);
bool
LoadWritePC(Context &context, uint32_t addr);
bool
ALUWritePC(Context &context, uint32_t addr);
Mode
CurrentInstrSet();
bool
SelectInstrSet(Mode arm_or_thumb);
bool
WriteBits32Unknown (int n);
bool
WriteBits32UnknownToMemory (lldb::addr_t address);
bool
UnalignedSupport();
typedef struct
{
uint32_t result;
uint8_t carry_out;
uint8_t overflow;
} AddWithCarryResult;
AddWithCarryResult
AddWithCarry(uint32_t x, uint32_t y, uint8_t carry_in);
// Helper method to read the content of an ARM core register.
uint32_t
ReadCoreReg (uint32_t regnum, bool *success);
// See A8.6.96 MOV (immediate) Operation.
// Default arguments are specified for carry and overflow parameters, which means
// not to update the respective flags even if setflags is true.
bool
WriteCoreRegOptionalFlags (Context &context,
const uint32_t result,
const uint32_t Rd,
bool setflags,
const uint32_t carry = ~0u,
const uint32_t overflow = ~0u);
bool
WriteCoreReg (Context &context,
const uint32_t result,
const uint32_t Rd)
{
// Don't set the flags.
return WriteCoreRegOptionalFlags(context, result, Rd, false);
}
// See A8.6.35 CMP (immediate) Operation.
// Default arguments are specified for carry and overflow parameters, which means
// not to update the respective flags.
bool
WriteFlags (Context &context,
const uint32_t result,
const uint32_t carry = ~0u,
const uint32_t overflow = ~0u);
inline uint64_t
MemARead (EmulateInstruction::Context &context,
lldb::addr_t address,
uint32_t size,
uint64_t fail_value,
bool *success_ptr)
{
// This is a stub function corresponding to "MemA[]" in the ARM manual pseudocode, for
// aligned reads from memory. Since we are not trying to write a full hardware simulator, and since
// we are running in User mode (rather than Kernel mode) and therefore won't have access to many of the
// system registers we would need in order to fully implement this function, we will just call
// ReadMemoryUnsigned from here. In the future, if we decide we do need to do more faithful emulation of
// the hardware, we can update this function appropriately.
return ReadMemoryUnsigned (context, address, size, fail_value, success_ptr);
}
inline bool
MemAWrite (EmulateInstruction::Context &context,
lldb::addr_t address,
uint64_t data_val,
uint32_t size)
{
// This is a stub function corresponding to "MemA[]" in the ARM manual pseudocode, for
// aligned writes to memory. Since we are not trying to write a full hardware simulator, and since
// we are running in User mode (rather than Kernel mode) and therefore won't have access to many of the
// system registers we would need in order to fully implement this function, we will just call
// WriteMemoryUnsigned from here. In the future, if we decide we do need to do more faithful emulation of
// the hardware, we can update this function appropriately.
return WriteMemoryUnsigned (context, address, data_val, size);
}
inline uint64_t
MemURead (EmulateInstruction::Context &context,
lldb::addr_t address,
uint32_t size,
uint64_t fail_value,
bool *success_ptr)
{
// This is a stub function corresponding to "MemU[]" in the ARM manual pseudocode, for
// unaligned reads from memory. Since we are not trying to write a full hardware simulator, and since
// we are running in User mode (rather than Kernel mode) and therefore won't have access to many of the
// system registers we would need in order to fully implement this function, we will just call
// ReadMemoryUnsigned from here. In the future, if we decide we do need to do more faithful emulation of
// the hardware, we can update this function appropriately.
return ReadMemoryUnsigned (context, address, size, fail_value, success_ptr);
}
inline bool
MemUWrite (EmulateInstruction::Context &context,
lldb::addr_t address,
uint64_t data_val,
uint32_t size)
{
// This is a stub function corresponding to "MemU[]" in the ARM manual pseudocode, for
// unaligned writes to memory. Since we are not trying to write a full hardware simulator, and since
// we are running in User mode (rather than Kernel mode) and therefore won't have access to many of the
// system registers we would need in order to fully implement this function, we will just call
// WriteMemoryUnsigned from here. In the future, if we decide we do need to do more faithful emulation of
// the hardware, we can update this function appropriately.
return WriteMemoryUnsigned (context, address, data_val, size);
}
protected:
// Typedef for the callback function used during the emulation.
// Pass along (ARMEncoding)encoding as the callback data.
typedef enum
{
eSize16,
eSize32
} ARMInstrSize;
typedef struct
{
uint32_t mask;
uint32_t value;
uint32_t variants;
EmulateInstructionARM::ARMEncoding encoding;
uint32_t vfp_variants;
ARMInstrSize size;
bool (EmulateInstructionARM::*callback) (const uint32_t opcode, const EmulateInstructionARM::ARMEncoding encoding);
const char *name;
} ARMOpcode;
uint32_t
GetFramePointerRegisterNumber () const;
uint32_t
GetFramePointerDWARFRegisterNumber () const;
static ARMOpcode*
GetARMOpcodeForInstruction (const uint32_t opcode, uint32_t isa_mask);
static ARMOpcode*
GetThumbOpcodeForInstruction (const uint32_t opcode, uint32_t isa_mask);
// A8.6.123 PUSH
bool
EmulatePUSH (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.122 POP
bool
EmulatePOP (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.8 ADD (SP plus immediate)
bool
EmulateADDRdSPImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.97 MOV (register) -- Rd == r7|ip and Rm == sp
bool
EmulateMOVRdSP (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.97 MOV (register) -- move from r8-r15 to r0-r7
bool
EmulateMOVLowHigh (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.59 LDR (literal)
bool
EmulateLDRRtPCRelative (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.8 ADD (SP plus immediate)
bool
EmulateADDSPImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.9 ADD (SP plus register)
bool
EmulateADDSPRm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.23 BL, BLX (immediate)
bool
EmulateBLXImmediate (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.24 BLX (register)
bool
EmulateBLXRm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.25 BX
bool
EmulateBXRm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.26 BXJ
bool
EmulateBXJRm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.212 SUB (immediate, ARM) -- Rd == r7 and Rm == ip
bool
EmulateSUBR7IPImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.215 SUB (SP minus immediate) -- Rd == ip
bool
EmulateSUBIPSPImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.215 SUB (SP minus immediate)
bool
EmulateSUBSPImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.216 SUB (SP minus register)
bool
EmulateSUBSPReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.194 STR (immediate, ARM) -- Rn == sp
bool
EmulateSTRRtSP (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.355 VPUSH
bool
EmulateVPUSH (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.354 VPOP
bool
EmulateVPOP (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.218 SVC (previously SWI)
bool
EmulateSVC (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.50 IT
bool
EmulateIT (const uint32_t opcode, const ARMEncoding encoding);
// NOP
bool
EmulateNop (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.16 B
bool
EmulateB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.27 CBNZ, CBZ
bool
EmulateCB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.226 TBB, TBH
bool
EmulateTB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.4 ADD (immediate, Thumb)
bool
EmulateADDImmThumb (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.5 ADD (immediate, ARM)
bool
EmulateADDImmARM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.6 ADD (register)
bool
EmulateADDReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.7 ADD (register-shifted register)
bool
EmulateADDRegShift (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.97 MOV (register)
bool
EmulateMOVRdRm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.96 MOV (immediate)
bool
EmulateMOVRdImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.35 CMP (immediate)
bool
EmulateCMPImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.36 CMP (register)
bool
EmulateCMPReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.14 ASR (immediate)
bool
EmulateASRImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.15 ASR (register)
bool
EmulateASRReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.88 LSL (immediate)
bool
EmulateLSLImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.89 LSL (register)
bool
EmulateLSLReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.90 LSR (immediate)
bool
EmulateLSRImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.91 LSR (register)
bool
EmulateLSRReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.139 ROR (immediate)
bool
EmulateRORImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.140 ROR (register)
bool
EmulateRORReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.141 RRX
bool
EmulateRRX (const uint32_t opcode, const ARMEncoding encoding);
// Helper method for ASR, LSL, LSR, ROR (immediate), and RRX
bool
EmulateShiftImm (const uint32_t opcode, const ARMEncoding encoding, ARM_ShifterType shift_type);
// Helper method for ASR, LSL, LSR, and ROR (register)
bool
EmulateShiftReg (const uint32_t opcode, const ARMEncoding encoding, ARM_ShifterType shift_type);
// LOAD FUNCTIONS
// A8.6.53 LDM/LDMIA/LDMFD
bool
EmulateLDM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.54 LDMDA/LDMFA
bool
EmulateLDMDA (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.55 LDMDB/LDMEA
bool
EmulateLDMDB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.56 LDMIB/LDMED
bool
EmulateLDMIB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.57 LDR (immediate, Thumb) -- Encoding T1
bool
EmulateLDRRtRnImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.58 LDR (immediate, ARM) - Encoding A1
bool
EmulateLDRImmediateARM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.59 LDR (literal)
bool
EmulateLDRLiteral (const uint32_t, const ARMEncoding encoding);
// A8.6.60 LDR (register) - Encoding T1, T2, A1
bool
EmulateLDRRegister (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.61 LDRB (immediate, Thumb) - Encoding T1, T2, T3
bool
EmulateLDRBImmediate (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.62 LDRB (immediate, ARM)
bool
EmulateLDRBImmediateARM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.63 LDRB (literal) - Encoding T1, A1
bool
EmulateLDRBLiteral (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.64 LDRB (register) - Encoding T1, T2, A1
bool
EmulateLDRBRegister (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.65 LDRBT
bool
EmulateLDRBT (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.66 LDRD (immediate)
bool
EmulateLDRDImmediate (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.67
bool
EmulateLDRDLiteral (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.68 LDRD (register)
bool
EmulateLDRDRegister (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.69 LDREX
bool
EmulateLDREX (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.70 LDREXB
bool
EmulateLDREXB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.71 LDREXD
bool
EmulateLDREXD (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.72 LDREXH
bool
EmulateLDREXH (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.73 LDRH (immediate, Thumb) - Encoding T1, T2, T3
bool
EmulateLDRHImmediate (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.74 LDRS (immediate, ARM)
bool
EmulateLDRHImmediateARM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.75 LDRH (literal) - Encoding T1, A1
bool
EmulateLDRHLiteral (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.76 LDRH (register) - Encoding T1, T2, A1
bool
EmulateLDRHRegister (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.77 LDRHT
bool
EmulateLDRHT (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.78 LDRSB (immediate) - Encoding T1, T2, A1
bool
EmulateLDRSBImmediate (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.79 LDRSB (literal) - Encoding T1, A1
bool
EmulateLDRSBLiteral (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.80 LDRSB (register) - Encoding T1, T2, A1
bool
EmulateLDRSBRegister (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.81 LDRSBT
bool
EmulateLDRSBT (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.82 LDRSH (immediate) - Encoding T1, T2, A1
bool
EmulateLDRSHImmediate (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.83 LDRSH (literal) - Encoding T1, A1
bool
EmulateLDRSHLiteral (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.84 LDRSH (register) - Encoding T1, T2, A1
bool
EmulateLDRSHRegister (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.85 LDRSHT
bool
EmulateLDRSHT (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.86
bool
EmulateLDRT (const uint32_t opcode, const ARMEncoding encoding);
// STORE FUNCTIONS
// A8.6.189 STM/STMIA/STMEA
bool
EmulateSTM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.190 STMDA/STMED
bool
EmulateSTMDA (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.191 STMDB/STMFD
bool
EmulateSTMDB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.192 STMIB/STMFA
bool
EmulateSTMIB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.193 STR (immediate, Thumb)
bool
EmulateSTRThumb(const uint32_t opcode, const ARMEncoding encoding);
// A8.6.194 STR (immediate, ARM)
bool
EmulateSTRImmARM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.195 STR (register)
bool
EmulateSTRRegister (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.196 STRB (immediate, Thumb)
bool
EmulateSTRBThumb (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.197 STRB (immediate, ARM)
bool
EmulateSTRBImmARM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.198 STRB (register)
bool
EmulateSTRBReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.199 STRBT
bool
EmulateSTRBT (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.200 STRD (immediate)
bool
EmulateSTRDImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.201 STRD (register)
bool
EmulateSTRDReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.202 STREX
bool
EmulateSTREX (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.203 STREXB
bool
EmulateSTREXB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.204 STREXD
bool
EmulateSTREXD (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.205 STREXH
bool
EmulateSTREXH (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.206 STRH (immediate, Thumb)
bool
EmulateSTRHImmThumb (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.207 STRH (immediate, ARM)
bool
EmulateSTRHImmARM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.208 STRH (register)
bool
EmulateSTRHRegister (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.209 STRHT
bool
EmulateSTRHT (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.210 STRT
bool
EmulateSTRT (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.1 ADC (immediate)
bool
EmulateADCImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.2 ADC (Register)
bool
EmulateADCReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.10 ADR
bool
EmulateADR (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.11 AND (immediate)
bool
EmulateANDImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.12 AND (register)
bool
EmulateANDReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.19 BIC (immediate)
bool
EmulateBICImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.20 BIC (register)
bool
EmulateBICReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.26 BXJ
bool
EmulateBXJ (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.32 CMN (immediate)
bool
EmulateCMNImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.33 CMN (register)
bool
EmulateCMNReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.44 EOR (immediate)
bool
EmulateEORImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.45 EOR (register)
bool
EmulateEORReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.105 MUL
bool
EmulateMUL (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.106 MVN (immediate)
bool
EmulateMVNImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.107 MVN (register)
bool
EmulateMVNReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.113 ORR (immediate)
bool
EmulateORRImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.114 ORR (register)
bool
EmulateORRReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.117 PLD (immediate, literal) - Encoding T1, T2, T3, A1
bool
EmulatePLDImmediate (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.119 PLI (immediate,literal) - Encoding T3, A1
bool
EmulatePLIImmediate (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.120 PLI (register) - Encoding T1, A1
bool
EmulatePLIRegister (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.141 RSB (immediate)
bool
EmulateRSBImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.142 RSB (register)
bool
EmulateRSBReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.144 RSC (immediate)
bool
EmulateRSCImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.145 RSC (register)
bool
EmulateRSCReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.150 SBC (immediate)
bool
EmulateSBCImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.151 SBC (register)
bool
EmulateSBCReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.211 SUB (immediate, Thumb)
bool
EmulateSUBImmThumb (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.212 SUB (immediate, ARM)
bool
EmulateSUBImmARM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.213 SUB (register)
bool
EmulateSUBReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.214 SUB (register-shifted register)
bool
EmulateSUBRegShift (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.222 SXTB - Encoding T1
bool
EmulateSXTB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.224 SXTH - EncodingT1
bool
EmulateSXTH (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.227 TEQ (immediate) - Encoding A1
bool
EmulateTEQImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.228 TEQ (register) - Encoding A1
bool
EmulateTEQReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.230 TST (immediate) - Encoding A1
bool
EmulateTSTImm (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.231 TST (register) - Encoding T1, A1
bool
EmulateTSTReg (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.262 UXTB - Encoding T1
bool
EmulateUXTB (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.264 UXTH - Encoding T1
bool
EmulateUXTH (const uint32_t opcode, const ARMEncoding encoding);
// B6.1.8 RFE
bool
EmulateRFE (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.319 VLDM
bool
EmulateVLDM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.399 VSTM
bool
EmulateVSTM (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.307 VLD1 (multiple single elements)
bool
EmulateVLD1Multiple (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.308 VLD1 (single element to one lane)
bool
EmulateVLD1Single (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.309 VLD1 (single element to all lanes)
bool
EmulateVLD1SingleAll (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.391 VST1 (multiple single elements)
bool
EmulateVST1Multiple (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.392 VST1 (single element from one lane)
bool
EmulateVST1Single (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.317 VLDR
bool
EmulateVLDR (const uint32_t opcode, const ARMEncoding encoding);
// A8.6.400 VSTR
bool
EmulateVSTR (const uint32_t opcode, const ARMEncoding encoding);
// B6.2.13 SUBS PC, LR and related instructions
bool
EmulateSUBSPcLrEtc (const uint32_t opcode, const ARMEncoding encoding);
uint32_t m_arm_isa;
Mode m_opcode_mode;
uint32_t m_opcode_cpsr;
uint32_t m_new_inst_cpsr; // This can get updated by the opcode.
ITSession m_it_session;
bool m_ignore_conditions;
};
} // namespace lldb_private
#endif // lldb_EmulateInstructionARM_h_