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DispatcherARM64.C
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DispatcherARM64.C
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#include "../util/StringUtility.h"
//#include "sage3basic.h"
#include "BaseSemantics2.h"
//#include "Diagnostics.h"
#include "DispatcherARM64.h"
#include "../integerOps.h"
#include "SymEvalSemantics.h"
#include "../SgAsmExpression.h"
#include "../conversions.h"
#undef si_value // name pollution from siginfo.h
namespace rose {
namespace BinaryAnalysis {
namespace InstructionSemantics2 {
#define EXTR(lo, hi) IntegerOps::extract2<B>(lo, hi, raw)
/*******************************************************************************************************************************
* Support functions
*******************************************************************************************************************************/
static inline size_t asm_type_width(SgAsmType *ty) {
ASSERT_not_null(ty);
return ty->get_nBits();
}
/*******************************************************************************************************************************
* Base ARM64 instruction processor
*******************************************************************************************************************************/
namespace ARM64 {
void
InsnProcessor::process(const BaseSemantics::DispatcherPtr &dispatcher_, SgAsmInstruction *insn_) {
DispatcherARM64Ptr dispatcher = DispatcherARM64::promote(dispatcher_);
BaseSemantics::RiscOperatorsPtr operators = dispatcher->get_operators();
SgAsmArmv8Instruction *insn = isSgAsmArmv8Instruction(insn_);
ASSERT_require(insn != NULL && insn == operators->currentInstruction());
dispatcher->advanceInstructionPointer(insn);
SgAsmExpressionPtrList &operands = insn->get_operandList()->get_operands();
//check_arg_width(dispatcher.get(), insn, operands);
uint32_t raw = 0;
std::vector<unsigned char> rawBytes = insn->get_raw_bytes();
for (int idx = 0; idx < rawBytes.size(); idx++) {
raw |= (rawBytes[idx] << (8 * idx));
}
p(dispatcher.get(), operators.get(), insn, operands, raw);
}
void
InsnProcessor::assert_args(I insn, A args, size_t nargs) {
if (args.size() != nargs) {
std::string mesg = "instruction has incorrect number of args";
throw BaseSemantics::Exception(mesg, insn);
}
}
/*******************************************************************************************************************************
* Functors that handle individual ARM64 instructions kinds
*******************************************************************************************************************************/
typedef InsnProcessor P;
struct IP_add_addsub_imm_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_adds_addsub_imm_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_sub_addsub_imm_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_subs_addsub_imm_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_add_addsub_ext_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_adds_addsub_ext_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_sub_addsub_ext_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_subs_addsub_ext_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_add_addsub_shift_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
d->write(args[0], result);
}
};
struct IP_adds_addsub_shift_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
d->write(args[0], result);
}
};
struct IP_sub_addsub_shift_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
d->write(args[0], result);
}
};
struct IP_subs_addsub_shift_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
d->write(args[0], result);
}
};
struct IP_adc_execute : P { //
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
}
result = d->doAddOperation(operand1, operand2, false, d->readRegister(d->REG_C)/*, ops->boolean_(false)*/,
n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
d->write(args[0], result);
}
};
struct IP_adcs_execute : P { //
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
}
result = d->doAddOperation(operand1, operand2, false, d->readRegister(d->REG_C)/*, ops->boolean_(false)*/,
n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
d->write(args[0], result);
}
};
struct IP_adr_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr base = d->readRegister(d->REG_PC);
if ((EXTR (31, 31) == 1)) {
base =
ops->or_(ops->and_(base, ops->number_(64, 0xfffffffffffff000)),
d->Zeros(12));
}
d->write(args[0], ops->add(base, d->read(args[1])));
}
};
struct IP_adrp_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr base = d->readRegister(d->REG_PC);
if ((EXTR (31, 31) == 1)) {
base =
ops->or_(ops->and_(base, ops->number_(64, 0xfffffffffffff000)),
d->Zeros(12));
}
d->write(args[0], ops->add(base, d->read(args[1])));
}
};
struct IP_b_uncond_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
if (EXTR (31, 31) == 1)
d->writeRegister(d->findRegister("x30", 64),
ops->add(d->readRegister(d->REG_PC),
ops->number_(32, 4)));
d->BranchTo(d->read(args[0]));
}
};
struct IP_b_cond_execute : P { //
void p(D d, Ops ops, I insn, A args, B raw) {
d->BranchTo(ops->ite(
ops->isEqual(d->ConditionHolds(ops->number_(4, EXTR (0, 4))), ops->boolean_(true)),
d->read(args[0]), d->readRegister(d->REG_PC)));
}
};
struct IP_br_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr target = d->read(args[0]);
if (EXTR (31, 31) == 1)
d->writeRegister(d->findRegister("x30", 64),
ops->add(d->readRegister(d->REG_PC),
ops->number_(32, 4)));
d->BranchTo(target);
}
};
struct IP_blr_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr target = d->read(args[0]);
if (EXTR (31, 31) == 1)
d->writeRegister(d->findRegister("x30", 64),
ops->add(d->readRegister(d->REG_PC),
ops->number_(32, 4)));
d->BranchTo(target);
}
};
struct IP_bl_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
if (EXTR (31, 31) == 1)
d->writeRegister(d->findRegister("x30", 64),
ops->add(d->readRegister(d->REG_PC),
ops->number_(32, 4)));
d->BranchTo(d->read(args[0]));
}
};
struct IP_cbz_execute : P { //
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr operand1 = d->read(args[0]);
d->BranchTo(ops->ite(ops->isEqual(d->isZero(operand1), ops->boolean_(EXTR (24, 24) == 0)),
d->read(args[1]), d->readRegister(d->REG_PC)));
}
};
struct IP_cbnz_execute : P { //
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr operand1 = d->read(args[0]);
d->BranchTo(ops->ite(ops->isEqual(d->isZero(operand1), ops->boolean_(EXTR (24, 24) == 0)),
d->read(args[1]), d->readRegister(d->REG_PC)));
}
};
struct IP_tbz_execute : P { //
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr operand = d->read(args[0]);
d->BranchTo(ops->ite(ops->isEqual(
ops->and_(ops->shiftRight(operand, d->read(args[1])), ops->number_(1, 1)),
ops->number_(1, EXTR (24, 24))),
d->read(args[2]), d->readRegister(d->REG_PC)));
}
};
struct IP_tbnz_execute : P { //
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr operand = d->read(args[0]);
d->BranchTo(ops->ite(ops->isEqual(
ops->and_(ops->shiftRight(operand, d->read(args[1])), ops->number_(1, 1)),
ops->number_(1, EXTR (24, 24))),
d->read(args[2]), d->readRegister(d->REG_PC)));
}
};
struct IP_cmp_subs_addsub_imm_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_cmp_subs_addsub_ext_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_cmp_subs_addsub_shift_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
d->write(args[0], result);
}
};
struct IP_cmn_adds_addsub_imm_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_cmn_adds_addsub_ext_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
if (EXTR(0, 4) == 31 && !(EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_SP, result);
}
else {
d->write(args[0], result);
}
}
};
struct IP_cmn_adds_addsub_shift_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr result;
BaseSemantics::SValuePtr operand1 = d->read(args[1]);
BaseSemantics::SValuePtr operand2 = d->read(args[2]);
BaseSemantics::SValuePtr n, z, c, v;
bool carry_in;
if ((EXTR(30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
else {
carry_in = false;
}
result = d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v);
if ((EXTR(29, 29) == 1)) {
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
d->write(args[0], result);
}
};
struct IP_ccmn_reg_execute : P { //
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr operand1 = d->read(args[0]);
BaseSemantics::SValuePtr operand2 = d->read(args[1]);
BaseSemantics::SValuePtr nzcv = d->read(args[2]);
bool carry_in = false;
BaseSemantics::SValuePtr n = ops->extract(nzcv, 3, 4);
BaseSemantics::SValuePtr z = ops->extract(nzcv, 2, 3);
BaseSemantics::SValuePtr c = ops->extract(nzcv, 1, 2);
BaseSemantics::SValuePtr v = ops->extract(nzcv, 0, 1);
/*if (d->read(args[3])) {
if ((EXTR (30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
d->doAddOperation(operand1, operand2, carry_in,
ops->boolean_(false), nzcv);
}*/
operand2 = ops->ite(ops->isEqual(d->ConditionHolds(d->read(args[3])), ops->boolean_(true)),
(EXTR (30, 30) == 1 ? (carry_in = true, d->NOT(operand2)) : operand2),
operand2);
ops->ite(ops->isEqual(d->ConditionHolds(d->read(args[3])), ops->boolean_(true)),
d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v),
ops->unspecified_(1));
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
};
struct IP_ccmn_imm_execute : P { //
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr operand1 = d->read(args[0]);
BaseSemantics::SValuePtr operand2 = d->read(args[1]);
BaseSemantics::SValuePtr nzcv = d->read(args[2]);
bool carry_in = false;
BaseSemantics::SValuePtr n = ops->extract(nzcv, 3, 4);
BaseSemantics::SValuePtr z = ops->extract(nzcv, 2, 3);
BaseSemantics::SValuePtr c = ops->extract(nzcv, 1, 2);
BaseSemantics::SValuePtr v = ops->extract(nzcv, 0, 1);
/*if (d->read(args[3])) {
if ((EXTR (30, 30) == 1)) {
operand2 = d->NOT(operand2);
carry_in = true;
}
d->doAddOperation(operand1, operand2, carry_in,
ops->boolean_(false), nzcv);
}*/
operand2 = ops->ite(ops->isEqual(d->ConditionHolds(d->read(args[3])), ops->boolean_(true)),
(EXTR (30, 30) == 1 ? (carry_in = true, d->NOT(operand2)) : operand2),
operand2);
ops->ite(ops->isEqual(d->ConditionHolds(d->read(args[3])), ops->boolean_(true)),
d->doAddOperation(operand1, operand2, carry_in, ops->boolean_(false), n, z, c, v),
ops->unspecified_(1));
d->writeRegister(d->REG_N, n);
d->writeRegister(d->REG_Z, z);
d->writeRegister(d->REG_C, c);
d->writeRegister(d->REG_V, v);
}
};
struct IP_ldr_imm_gen_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr address = d->effectiveAddress(args[1]);
BaseSemantics::SValuePtr data;
bool wb_unknown = false;
bool rt_unknown = false;
/*if (!(EXTR(11, 11) == 0 && EXTR(24, 24) == 0)) {
address = ops->add(address, d->read(args[2]));
}*/
switch ((EXTR(22, 22) ^ EXTR(23, 23))) {
case MemOp_STORE: {
if (rt_unknown) {
data = ops->unspecified_(1);
}
else {
data = d->read(args[0]);
}
d->writeMemory(address, 0x8 << EXTR(30, 31), data);
}
break;
case MemOp_LOAD: {
data = d->readMemory(address, 0x8 << EXTR(30, 31));
if ((EXTR(23, 23) == 1)) {
d->write(args[0], d->SignExtend(data, d->getRegSize(raw)));
}
else {
d->write(args[0], d->ZeroExtend(data, d->getRegSize(raw)));
}
}
break;
}
if (((EXTR(24, 24) == 0) && EXTR(21, 21) == 0)) {
if (wb_unknown) {
address = ops->unspecified_(1);
}
else if ((EXTR(11, 11) == 0 && EXTR(24, 24) == 0)) {
address = ops->add(address, d->read(args[2]));
}
if (EXTR(5, 9) == 31) {
d->writeRegister(d->REG_SP, address);
}
else {
d->write(d->getWriteBackTarget(args[1]), address);
}
}
}
};
struct IP_str_imm_gen_execute : P {
void p(D d, Ops ops, I insn, A args, B raw) {
BaseSemantics::SValuePtr address = d->effectiveAddress(args[1]);
BaseSemantics::SValuePtr data;
bool wb_unknown = false;
bool rt_unknown = false;
/*if (!(EXTR(11, 11) == 0 && EXTR(24, 24) == 0)) {
address = ops->add(address, d->read(args[2]));
}*/
switch ((EXTR(22, 22) ^ EXTR(23, 23))) {
case MemOp_STORE: {
if (rt_unknown) {
data = ops->unspecified_(1);
}
else {
data = d->read(args[0]);
}
d->writeMemory(address, 0x8 << EXTR(30, 31), data);
}
break;
case MemOp_LOAD: {
data = d->readMemory(address, 0x8 << EXTR(30, 31));
if ((EXTR(23, 23) == 1)) {
d->write(args[0], d->SignExtend(data, d->getRegSize(raw)));
}
else {
d->write(args[0], d->ZeroExtend(data, d->getRegSize(raw)));
}
}
break;
}
if (((EXTR(24, 24) == 0) && EXTR(21, 21) == 0)) {
if (wb_unknown) {
address = ops->unspecified_(1);
}
else if ((EXTR(11, 11) == 0 && EXTR(24, 24) == 0)) {
address = ops->add(address, d->read(args[2]));
}