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highlevelilinstruction.cpp
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3433 lines (2856 loc) · 110 KB
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// Copyright (c) 2019-2025 Vector 35 Inc
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#include <algorithm>
#include <array>
#include <cstring>
#include "sharedilinstruction.h"
#ifdef BINARYNINJACORE_LIBRARY
#include "highlevelilfunction.h"
#include "highlevelilssafunction.h"
#include "mediumlevelilfunction.h"
#include "mediumlevelilssafunction.h"
using namespace BinaryNinjaCore;
#else
#include "binaryninjaapi.h"
#include "highlevelilinstruction.h"
#include "mediumlevelilinstruction.h"
using namespace BinaryNinja;
#endif
#ifndef BINARYNINJACORE_LIBRARY
using namespace std;
#endif
namespace {
struct OperandUsageType
{
HighLevelILOperandUsage usage;
HighLevelILOperandType type;
constexpr auto operator<=>(const OperandUsageType& other) const
{
return usage <=> other.usage;
}
};
static constexpr std::array s_operandTypeForUsage = {
OperandUsageType{SourceExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{VariableHighLevelOperandUsage, VariableHighLevelOperand},
OperandUsageType{DestVariableHighLevelOperandUsage, VariableHighLevelOperand},
OperandUsageType{SSAVariableHighLevelOperandUsage, SSAVariableHighLevelOperand},
OperandUsageType{DestSSAVariableHighLevelOperandUsage, SSAVariableHighLevelOperand},
OperandUsageType{DestExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{LeftExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{RightExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{CarryExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{IndexExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{ConditionExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{ConditionPhiExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{TrueExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{FalseExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{LoopExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{InitExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{UpdateExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{DefaultExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{HighExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{LowExprHighLevelOperandUsage, ExprHighLevelOperand},
OperandUsageType{OffsetHighLevelOperandUsage, IntegerHighLevelOperand},
OperandUsageType{MemberIndexHighLevelOperandUsage, IndexHighLevelOperand},
OperandUsageType{ConstantHighLevelOperandUsage, IntegerHighLevelOperand},
OperandUsageType{ConstantDataHighLevelOperandUsage, ConstantDataHighLevelOperand},
OperandUsageType{VectorHighLevelOperandUsage, IntegerHighLevelOperand},
OperandUsageType{IntrinsicHighLevelOperandUsage, IntrinsicHighLevelOperand},
OperandUsageType{TargetHighLevelOperandUsage, IndexHighLevelOperand},
OperandUsageType{ParameterExprsHighLevelOperandUsage, ExprListHighLevelOperand},
OperandUsageType{SourceExprsHighLevelOperandUsage, ExprListHighLevelOperand},
OperandUsageType{DestExprsHighLevelOperandUsage, ExprListHighLevelOperand},
OperandUsageType{BlockExprsHighLevelOperandUsage, ExprListHighLevelOperand},
OperandUsageType{CasesHighLevelOperandUsage, ExprListHighLevelOperand},
OperandUsageType{ValueExprsHighLevelOperandUsage, ExprListHighLevelOperand},
OperandUsageType{SourceSSAVariablesHighLevelOperandUsage, SSAVariableListHighLevelOperand},
OperandUsageType{SourceMemoryVersionHighLevelOperandUsage, IndexHighLevelOperand},
OperandUsageType{SourceMemoryVersionsHighLevelOperandUsage, IndexListHighLevelOperand},
OperandUsageType{DestMemoryVersionHighLevelOperandUsage, IndexHighLevelOperand}
};
static_assert(std::is_sorted(s_operandTypeForUsage.begin(), s_operandTypeForUsage.end()),
"Operand type mapping array is not sorted by usage value");
constexpr inline HighLevelILOperandType OperandTypeForUsage(HighLevelILOperandUsage usage)
{
if (static_cast<size_t>(usage) < s_operandTypeForUsage.size())
return s_operandTypeForUsage[usage].type;
throw HighLevelILInstructionAccessException();
}
struct HighLevelILOperationTraits
{
using ILOperation = BNHighLevelILOperation;
using OperandUsage = HighLevelILOperandUsage;
static constexpr size_t MaxOperands = 5;
static constexpr uint8_t GetOperandIndexAdvance(OperandUsage usage, size_t /* operandIndex */)
{
switch (OperandTypeForUsage(usage))
{
case SSAVariableHighLevelOperand:
case SSAVariableListHighLevelOperand:
case ExprListHighLevelOperand:
case IndexListHighLevelOperand:
return 2;
default:
return 1;
}
}
};
using OperandUsage = detail::ILInstructionOperandUsage<HighLevelILOperationTraits>;
static_assert(sizeof(OperandUsage) == 12);
static constexpr std::array s_instructionOperandUsage = {
OperandUsage{HLIL_NOP},
OperandUsage{HLIL_BLOCK, {BlockExprsHighLevelOperandUsage}},
OperandUsage{HLIL_IF, {ConditionExprHighLevelOperandUsage, TrueExprHighLevelOperandUsage, FalseExprHighLevelOperandUsage}},
OperandUsage{HLIL_WHILE, {ConditionExprHighLevelOperandUsage, LoopExprHighLevelOperandUsage}},
OperandUsage{HLIL_DO_WHILE, {LoopExprHighLevelOperandUsage, ConditionExprHighLevelOperandUsage}},
OperandUsage{HLIL_FOR, {InitExprHighLevelOperandUsage, ConditionExprHighLevelOperandUsage, UpdateExprHighLevelOperandUsage, LoopExprHighLevelOperandUsage}},
OperandUsage{HLIL_SWITCH, {ConditionExprHighLevelOperandUsage, DefaultExprHighLevelOperandUsage, CasesHighLevelOperandUsage}},
OperandUsage{HLIL_CASE, {ValueExprsHighLevelOperandUsage, TrueExprHighLevelOperandUsage}},
OperandUsage{HLIL_BREAK},
OperandUsage{HLIL_CONTINUE},
OperandUsage{HLIL_JUMP, {DestExprHighLevelOperandUsage}},
OperandUsage{HLIL_RET, {SourceExprsHighLevelOperandUsage}},
OperandUsage{HLIL_NORET},
OperandUsage{HLIL_GOTO, {TargetHighLevelOperandUsage}},
OperandUsage{HLIL_LABEL, {TargetHighLevelOperandUsage}},
OperandUsage{HLIL_VAR_DECLARE, {VariableHighLevelOperandUsage}},
OperandUsage{HLIL_VAR_INIT, {DestVariableHighLevelOperandUsage, SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_ASSIGN, {DestExprHighLevelOperandUsage, SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_ASSIGN_UNPACK, {DestExprsHighLevelOperandUsage, SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_FORCE_VER, {DestVariableHighLevelOperandUsage, VariableHighLevelOperandUsage}},
OperandUsage{HLIL_ASSERT, {VariableHighLevelOperandUsage, ConstantHighLevelOperandUsage}},
OperandUsage{HLIL_VAR, {VariableHighLevelOperandUsage}},
OperandUsage{HLIL_STRUCT_FIELD, {SourceExprHighLevelOperandUsage, OffsetHighLevelOperandUsage, MemberIndexHighLevelOperandUsage}},
OperandUsage{HLIL_ARRAY_INDEX, {SourceExprHighLevelOperandUsage, IndexExprHighLevelOperandUsage}},
OperandUsage{HLIL_SPLIT, {HighExprHighLevelOperandUsage, LowExprHighLevelOperandUsage}},
OperandUsage{HLIL_DEREF, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_DEREF_FIELD, {SourceExprHighLevelOperandUsage, OffsetHighLevelOperandUsage, MemberIndexHighLevelOperandUsage}},
OperandUsage{HLIL_ADDRESS_OF, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_CONST, {ConstantHighLevelOperandUsage}},
OperandUsage{HLIL_CONST_DATA, {ConstantDataHighLevelOperandUsage}},
OperandUsage{HLIL_CONST_PTR, {ConstantHighLevelOperandUsage}},
OperandUsage{HLIL_EXTERN_PTR, {ConstantHighLevelOperandUsage, OffsetHighLevelOperandUsage}},
OperandUsage{HLIL_FLOAT_CONST, {ConstantHighLevelOperandUsage}},
OperandUsage{HLIL_IMPORT, {ConstantHighLevelOperandUsage}},
OperandUsage{HLIL_ADD, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_ADC, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage, CarryExprHighLevelOperandUsage}},
OperandUsage{HLIL_SUB, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_SBB, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage, CarryExprHighLevelOperandUsage}},
OperandUsage{HLIL_AND, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_OR, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_XOR, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_LSL, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_LSR, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_ASR, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_ROL, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_RLC, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage, CarryExprHighLevelOperandUsage}},
OperandUsage{HLIL_ROR, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_RRC, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage, CarryExprHighLevelOperandUsage}},
OperandUsage{HLIL_MUL, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_MULU_DP, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_MULS_DP, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_DIVU, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_DIVU_DP, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_DIVS, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_DIVS_DP, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_MODU, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_MODU_DP, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_MODS, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_MODS_DP, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_NEG, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_NOT, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_SX, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_ZX, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_LOW_PART, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_CALL, {DestExprHighLevelOperandUsage, ParameterExprsHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_E, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_NE, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_SLT, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_ULT, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_SLE, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_ULE, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_SGE, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_UGE, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_SGT, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_CMP_UGT, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_TEST_BIT, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_BOOL_TO_INT, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_ADD_OVERFLOW, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_SYSCALL, {ParameterExprsHighLevelOperandUsage}},
OperandUsage{HLIL_TAILCALL, {DestExprHighLevelOperandUsage, ParameterExprsHighLevelOperandUsage}},
OperandUsage{HLIL_INTRINSIC, {IntrinsicHighLevelOperandUsage, ParameterExprsHighLevelOperandUsage}},
OperandUsage{HLIL_BP},
OperandUsage{HLIL_TRAP, {VectorHighLevelOperandUsage}},
OperandUsage{HLIL_UNDEF},
OperandUsage{HLIL_UNIMPL},
OperandUsage{HLIL_UNIMPL_MEM, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_FADD, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FSUB, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FMUL, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FDIV, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FSQRT, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_FNEG, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_FABS, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_FLOAT_TO_INT, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_INT_TO_FLOAT, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_FLOAT_CONV, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_ROUND_TO_INT, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_FLOOR, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_CEIL, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_FTRUNC, {SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_FCMP_E, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FCMP_NE, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FCMP_LT, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FCMP_LE, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FCMP_GE, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FCMP_GT, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FCMP_O, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_FCMP_UO, {LeftExprHighLevelOperandUsage, RightExprHighLevelOperandUsage}},
OperandUsage{HLIL_UNREACHABLE},
// SSA operations
OperandUsage{HLIL_WHILE_SSA, {ConditionPhiExprHighLevelOperandUsage, ConditionExprHighLevelOperandUsage, LoopExprHighLevelOperandUsage}},
OperandUsage{HLIL_DO_WHILE_SSA, {LoopExprHighLevelOperandUsage, ConditionPhiExprHighLevelOperandUsage, ConditionExprHighLevelOperandUsage}},
OperandUsage{HLIL_FOR_SSA, {InitExprHighLevelOperandUsage, ConditionPhiExprHighLevelOperandUsage, ConditionExprHighLevelOperandUsage, UpdateExprHighLevelOperandUsage, LoopExprHighLevelOperandUsage}},
OperandUsage{HLIL_VAR_INIT_SSA, {DestSSAVariableHighLevelOperandUsage, SourceExprHighLevelOperandUsage}},
OperandUsage{HLIL_ASSIGN_MEM_SSA, {DestExprHighLevelOperandUsage, DestMemoryVersionHighLevelOperandUsage, SourceExprHighLevelOperandUsage, SourceMemoryVersionHighLevelOperandUsage}},
OperandUsage{HLIL_ASSIGN_UNPACK_MEM_SSA, {DestExprsHighLevelOperandUsage, DestMemoryVersionHighLevelOperandUsage, SourceExprHighLevelOperandUsage, SourceMemoryVersionHighLevelOperandUsage}},
OperandUsage{HLIL_FORCE_VER_SSA, {DestSSAVariableHighLevelOperandUsage, SSAVariableHighLevelOperandUsage}},
OperandUsage{HLIL_ASSERT_SSA, {SSAVariableHighLevelOperandUsage, ConstantHighLevelOperandUsage}},
OperandUsage{HLIL_VAR_SSA, {SSAVariableHighLevelOperandUsage}},
OperandUsage{HLIL_ARRAY_INDEX_SSA, {SourceExprHighLevelOperandUsage, SourceMemoryVersionHighLevelOperandUsage, IndexExprHighLevelOperandUsage}},
OperandUsage{HLIL_DEREF_SSA, {SourceExprHighLevelOperandUsage, SourceMemoryVersionHighLevelOperandUsage}},
OperandUsage{HLIL_DEREF_FIELD_SSA, {SourceExprHighLevelOperandUsage, SourceMemoryVersionHighLevelOperandUsage, OffsetHighLevelOperandUsage, MemberIndexHighLevelOperandUsage}},
OperandUsage{HLIL_CALL_SSA, {DestExprHighLevelOperandUsage, ParameterExprsHighLevelOperandUsage, DestMemoryVersionHighLevelOperandUsage, SourceMemoryVersionHighLevelOperandUsage}},
OperandUsage{HLIL_SYSCALL_SSA, {ParameterExprsHighLevelOperandUsage, DestMemoryVersionHighLevelOperandUsage, SourceMemoryVersionHighLevelOperandUsage}},
OperandUsage{HLIL_INTRINSIC_SSA, {IntrinsicHighLevelOperandUsage, ParameterExprsHighLevelOperandUsage, DestMemoryVersionHighLevelOperandUsage, SourceMemoryVersionHighLevelOperandUsage}},
OperandUsage{HLIL_VAR_PHI, {DestSSAVariableHighLevelOperandUsage, SourceSSAVariablesHighLevelOperandUsage}},
OperandUsage{HLIL_MEM_PHI, {DestMemoryVersionHighLevelOperandUsage, SourceMemoryVersionsHighLevelOperandUsage}},
};
VALIDATE_INSTRUCTION_ORDER(s_instructionOperandUsage);
} // unnamed namespace
bool HighLevelILIntegerList::ListIterator::operator==(const ListIterator& a) const
{
return count == a.count;
}
bool HighLevelILIntegerList::ListIterator::operator!=(const ListIterator& a) const
{
return count != a.count;
}
bool HighLevelILIntegerList::ListIterator::operator<(const ListIterator& a) const
{
return count > a.count;
}
HighLevelILIntegerList::ListIterator& HighLevelILIntegerList::ListIterator::operator++()
{
count--;
if (count == 0)
return *this;
operand++;
if (operand >= 4)
{
operand = 0;
instr = function->GetRawExpr((size_t)instr.operands[4]);
}
return *this;
}
uint64_t HighLevelILIntegerList::ListIterator::operator*()
{
return instr.operands[operand];
}
HighLevelILIntegerList::HighLevelILIntegerList(
HighLevelILFunction* func, const BNHighLevelILInstruction& instr, size_t count)
{
m_start.function = func;
m_start.instr = instr;
m_start.operand = 0;
m_start.count = count;
}
HighLevelILIntegerList::const_iterator HighLevelILIntegerList::begin() const
{
return m_start;
}
HighLevelILIntegerList::const_iterator HighLevelILIntegerList::end() const
{
const_iterator result;
result.function = m_start.function;
result.operand = 0;
result.count = 0;
return result;
}
size_t HighLevelILIntegerList::size() const
{
return m_start.count;
}
uint64_t HighLevelILIntegerList::operator[](size_t i) const
{
if (i >= size())
throw HighLevelILInstructionAccessException();
auto iter = begin();
for (size_t j = 0; j < i; j++)
++iter;
return *iter;
}
HighLevelILIntegerList::operator vector<uint64_t>() const
{
vector<uint64_t> result;
result.reserve(size());
for (auto i : *this)
result.push_back(i);
return result;
}
size_t HighLevelILIndexList::ListIterator::operator*()
{
return (size_t)*pos;
}
HighLevelILIndexList::HighLevelILIndexList(
HighLevelILFunction* func, const BNHighLevelILInstruction& instr, size_t count) :
m_list(func, instr, count)
{}
HighLevelILIndexList::const_iterator HighLevelILIndexList::begin() const
{
const_iterator result;
result.pos = m_list.begin();
return result;
}
HighLevelILIndexList::const_iterator HighLevelILIndexList::end() const
{
const_iterator result;
result.pos = m_list.end();
return result;
}
size_t HighLevelILIndexList::size() const
{
return m_list.size();
}
size_t HighLevelILIndexList::operator[](size_t i) const
{
if (i >= size())
throw HighLevelILInstructionAccessException();
auto iter = begin();
for (size_t j = 0; j < i; j++)
++iter;
return *iter;
}
HighLevelILIndexList::operator vector<size_t>() const
{
vector<size_t> result;
result.reserve(size());
for (auto i : *this)
result.push_back(i);
return result;
}
const HighLevelILInstruction HighLevelILInstructionList::ListIterator::operator*()
{
if (ast)
{
return HighLevelILInstruction(
pos.GetFunction(), pos.GetFunction()->GetRawExpr((size_t)*pos), (size_t)*pos, true, instructionIndex);
}
return HighLevelILInstruction(
pos.GetFunction(), pos.GetFunction()->GetRawNonASTExpr((size_t)*pos), (size_t)*pos, false, instructionIndex);
}
HighLevelILInstructionList::HighLevelILInstructionList(HighLevelILFunction* func, const BNHighLevelILInstruction& instr,
size_t count, bool asFullAst, size_t instructionIndex) :
m_list(func, instr, count),
m_ast(asFullAst), m_instructionIndex(instructionIndex)
{}
HighLevelILInstructionList::const_iterator HighLevelILInstructionList::begin() const
{
const_iterator result;
result.pos = m_list.begin();
result.ast = m_ast;
result.instructionIndex = m_instructionIndex;
return result;
}
HighLevelILInstructionList::const_iterator HighLevelILInstructionList::end() const
{
const_iterator result;
result.pos = m_list.end();
result.ast = m_ast;
result.instructionIndex = m_instructionIndex;
return result;
}
size_t HighLevelILInstructionList::size() const
{
return m_list.size();
}
const HighLevelILInstruction HighLevelILInstructionList::operator[](size_t i) const
{
if (i >= size())
throw HighLevelILInstructionAccessException();
auto iter = begin();
for (size_t j = 0; j < i; j++)
++iter;
return *iter;
}
HighLevelILInstructionList::operator vector<HighLevelILInstruction>() const
{
vector<HighLevelILInstruction> result;
result.reserve(size());
for (auto i : *this)
result.push_back(i);
return result;
}
const SSAVariable HighLevelILSSAVariableList::ListIterator::operator*()
{
HighLevelILIntegerList::const_iterator cur = pos;
Variable var = Variable::FromIdentifier(*cur);
++cur;
size_t version = (size_t)*cur;
return SSAVariable(var, version);
}
HighLevelILSSAVariableList::HighLevelILSSAVariableList(
HighLevelILFunction* func, const BNHighLevelILInstruction& instr, size_t count) :
m_list(func, instr, count & (~1))
{}
HighLevelILSSAVariableList::const_iterator HighLevelILSSAVariableList::begin() const
{
const_iterator result;
result.pos = m_list.begin();
return result;
}
HighLevelILSSAVariableList::const_iterator HighLevelILSSAVariableList::end() const
{
const_iterator result;
result.pos = m_list.end();
return result;
}
size_t HighLevelILSSAVariableList::size() const
{
return m_list.size() / 2;
}
const SSAVariable HighLevelILSSAVariableList::operator[](size_t i) const
{
if (i >= size())
throw HighLevelILInstructionAccessException();
auto iter = begin();
for (size_t j = 0; j < i; j++)
++iter;
return *iter;
}
HighLevelILSSAVariableList::operator vector<SSAVariable>() const
{
vector<SSAVariable> result;
result.reserve(size());
for (auto i : *this)
result.push_back(i);
return result;
}
HighLevelILOperand::HighLevelILOperand(
const HighLevelILInstruction& instr, HighLevelILOperandUsage usage, size_t operandIndex) :
m_instr(instr),
m_usage(usage),
m_type(OperandTypeForUsage(m_usage)),
m_operandIndex(operandIndex)
{
}
uint64_t HighLevelILOperand::GetInteger() const
{
if (m_type != IntegerHighLevelOperand)
throw HighLevelILInstructionAccessException();
return m_instr.GetRawOperandAsInteger(m_operandIndex);
}
ConstantData HighLevelILOperand::GetConstantData() const
{
if (m_type != ConstantDataHighLevelOperand)
throw HighLevelILInstructionAccessException();
return m_instr.GetRawOperandAsConstantData(m_operandIndex);
}
size_t HighLevelILOperand::GetIndex() const
{
if (m_type != IndexHighLevelOperand)
throw HighLevelILInstructionAccessException();
return m_instr.GetRawOperandAsIndex(m_operandIndex);
}
uint32_t HighLevelILOperand::GetIntrinsic() const
{
if (m_type != IntrinsicHighLevelOperand)
throw HighLevelILInstructionAccessException();
return (uint32_t)m_instr.GetRawOperandAsInteger(m_operandIndex);
}
HighLevelILInstruction HighLevelILOperand::GetExpr() const
{
if (m_type != ExprHighLevelOperand)
throw HighLevelILInstructionAccessException();
return m_instr.GetRawOperandAsExpr(m_operandIndex);
}
Variable HighLevelILOperand::GetVariable() const
{
if (m_type != VariableHighLevelOperand)
throw HighLevelILInstructionAccessException();
return m_instr.GetRawOperandAsVariable(m_operandIndex);
}
SSAVariable HighLevelILOperand::GetSSAVariable() const
{
if (m_type != SSAVariableHighLevelOperand)
throw HighLevelILInstructionAccessException();
return m_instr.GetRawOperandAsSSAVariable(m_operandIndex);
}
HighLevelILInstructionList HighLevelILOperand::GetExprList() const
{
if (m_type != ExprListHighLevelOperand)
throw HighLevelILInstructionAccessException();
return m_instr.GetRawOperandAsExprList(m_operandIndex);
}
HighLevelILSSAVariableList HighLevelILOperand::GetSSAVariableList() const
{
if (m_type != SSAVariableListHighLevelOperand)
throw HighLevelILInstructionAccessException();
return m_instr.GetRawOperandAsSSAVariableList(m_operandIndex);
}
HighLevelILIndexList HighLevelILOperand::GetIndexList() const
{
if (m_type != IndexListHighLevelOperand)
throw HighLevelILInstructionAccessException();
return m_instr.GetRawOperandAsIndexList(m_operandIndex);
}
const HighLevelILOperand HighLevelILOperandList::ListIterator::operator*()
{
if (index >= owner->m_count)
throw HighLevelILInstructionAccessException();
HighLevelILOperandUsage usage = owner->m_usages[index];
return HighLevelILOperand(owner->m_instr, usage, owner->m_indices[index]);
}
HighLevelILOperandList::HighLevelILOperandList(const HighLevelILInstruction& instr,
const HighLevelILOperandUsage* usages,
const uint8_t* indices,
uint8_t count) :
m_instr(instr),
m_usages(usages), m_indices(indices), m_count(count)
{}
HighLevelILOperandList::const_iterator HighLevelILOperandList::begin() const
{
const_iterator result;
result.owner = this;
result.index = 0;
return result;
}
HighLevelILOperandList::const_iterator HighLevelILOperandList::end() const
{
const_iterator result;
result.owner = this;
result.index = m_count;
return result;
}
size_t HighLevelILOperandList::size() const
{
return m_count;
}
const HighLevelILOperand HighLevelILOperandList::operator[](size_t i) const
{
if (i >= m_count)
throw HighLevelILInstructionAccessException();
HighLevelILOperandUsage usage = m_usages[i];
return HighLevelILOperand(m_instr, usage, m_indices[i]);
}
HighLevelILOperandList::operator vector<HighLevelILOperand>() const
{
vector<HighLevelILOperand> result;
result.reserve(size());
for (auto i : *this)
result.push_back(i);
return result;
}
HighLevelILInstruction::HighLevelILInstruction()
{
operation = HLIL_UNDEF;
attributes = 0;
sourceOperand = BN_INVALID_OPERAND;
size = 0;
address = 0;
function = nullptr;
exprIndex = BN_INVALID_EXPR;
parent = BN_INVALID_EXPR;
}
HighLevelILInstruction::HighLevelILInstruction(
HighLevelILFunction* func, const BNHighLevelILInstruction& instr, size_t expr, bool asFullAst, size_t instrIdx)
{
operation = instr.operation;
attributes = instr.attributes;
sourceOperand = instr.sourceOperand;
size = instr.size;
operands[0] = instr.operands[0];
operands[1] = instr.operands[1];
operands[2] = instr.operands[2];
operands[3] = instr.operands[3];
operands[4] = instr.operands[4];
address = instr.address;
parent = instr.parent;
function = func;
exprIndex = expr;
instructionIndex = instrIdx;
ast = asFullAst;
}
HighLevelILInstruction::HighLevelILInstruction(const HighLevelILInstructionBase& instr)
{
operation = instr.operation;
attributes = instr.attributes;
sourceOperand = instr.sourceOperand;
size = instr.size;
operands[0] = instr.operands[0];
operands[1] = instr.operands[1];
operands[2] = instr.operands[2];
operands[3] = instr.operands[3];
operands[4] = instr.operands[4];
address = instr.address;
function = instr.function;
exprIndex = instr.exprIndex;
instructionIndex = instr.instructionIndex;
ast = instr.ast;
parent = instr.parent;
}
HighLevelILOperandList HighLevelILInstructionBase::GetOperands() const
{
if (operation >= s_instructionOperandUsage.size())
throw HighLevelILInstructionAccessException();
const auto& info = s_instructionOperandUsage[operation];
return HighLevelILOperandList(*(const HighLevelILInstruction*)this, info.usages, info.indices, info.count);
}
uint64_t HighLevelILInstructionBase::GetRawOperandAsInteger(size_t operand) const
{
return operands[operand];
}
ConstantData HighLevelILInstructionBase::GetRawOperandAsConstantData(size_t operand) const
{
return ConstantData((BNRegisterValueType)operands[operand], (uint64_t)operands[operand + 1], size, function->GetFunction());
}
size_t HighLevelILInstructionBase::GetRawOperandAsIndex(size_t operand) const
{
return (size_t)operands[operand];
}
HighLevelILInstruction HighLevelILInstructionBase::GetRawOperandAsExpr(size_t operand) const
{
if (ast)
{
return HighLevelILInstruction(
function, function->GetRawExpr(operands[operand]), operands[operand], true, instructionIndex);
}
return HighLevelILInstruction(
function, function->GetRawNonASTExpr(operands[operand]), operands[operand], false, instructionIndex);
}
Variable HighLevelILInstructionBase::GetRawOperandAsVariable(size_t operand) const
{
return Variable::FromIdentifier(operands[operand]);
}
SSAVariable HighLevelILInstructionBase::GetRawOperandAsSSAVariable(size_t operand) const
{
return SSAVariable(Variable::FromIdentifier(operands[operand]), (size_t)operands[operand + 1]);
}
HighLevelILInstructionList HighLevelILInstructionBase::GetRawOperandAsExprList(size_t operand) const
{
return HighLevelILInstructionList(
function, function->GetRawExpr(operands[operand + 1]), operands[operand], ast, instructionIndex);
}
HighLevelILSSAVariableList HighLevelILInstructionBase::GetRawOperandAsSSAVariableList(size_t operand) const
{
return HighLevelILSSAVariableList(function, function->GetRawExpr(operands[operand + 1]), operands[operand]);
}
HighLevelILIndexList HighLevelILInstructionBase::GetRawOperandAsIndexList(size_t operand) const
{
return HighLevelILIndexList(function, function->GetRawExpr(operands[operand + 1]), operands[operand]);
}
PossibleValueSet HighLevelILInstructionBase::GetRawOperandAsPossibleValueSet(size_t operand) const
{
return function->GetCachedPossibleValueSet(operands[operand]);
}
void HighLevelILInstructionBase::UpdateRawOperand(size_t operandIndex, ExprId value)
{
operands[operandIndex] = value;
function->UpdateInstructionOperand(exprIndex, operandIndex, value);
}
void HighLevelILInstructionBase::UpdateRawOperandAsInteger(size_t operandIndex, uint64_t value)
{
operands[operandIndex] = value;
function->UpdateInstructionOperand(exprIndex, operandIndex, value);
}
void HighLevelILInstructionBase::UpdateRawOperandAsExprList(
size_t operandIndex, const vector<HighLevelILInstruction>& exprs)
{
vector<ExprId> exprIndexList;
for (auto& i : exprs)
exprIndexList.push_back((ExprId)i.exprIndex);
UpdateRawOperand(operandIndex, exprIndexList.size());
UpdateRawOperand(operandIndex + 1, function->AddOperandList(exprIndexList));
}
void HighLevelILInstructionBase::UpdateRawOperandAsExprList(size_t operandIndex, const vector<ExprId>& exprs)
{
UpdateRawOperand(operandIndex, exprs.size());
UpdateRawOperand(operandIndex + 1, function->AddOperandList(exprs));
}
void HighLevelILInstructionBase::UpdateRawOperandAsSSAVariableList(size_t operandIndex, const vector<SSAVariable>& vars)
{
UpdateRawOperand(operandIndex, vars.size() * 2);
UpdateRawOperand(operandIndex + 1, function->AddSSAVariableList(vars));
}
RegisterValue HighLevelILInstructionBase::GetValue() const
{
if (!HasMediumLevelIL())
return RegisterValue();
return GetMediumLevelILSSAForm().GetValue();
}
PossibleValueSet HighLevelILInstructionBase::GetPossibleValues(const set<BNDataFlowQueryOption>& options) const
{
if (!HasMediumLevelIL())
return PossibleValueSet();
return GetMediumLevelILSSAForm().GetPossibleValues(options);
}
Confidence<Ref<Type>> HighLevelILInstructionBase::GetType() const
{
return function->GetExprType(exprIndex);
}
size_t HighLevelILInstructionBase::GetSSAExprIndex() const
{
return function->GetSSAExprIndex(exprIndex);
}
size_t HighLevelILInstructionBase::GetNonSSAExprIndex() const
{
return function->GetNonSSAExprIndex(exprIndex);
}
HighLevelILInstruction HighLevelILInstructionBase::GetSSAForm() const
{
Ref<HighLevelILFunction> ssa = function->GetSSAForm().GetPtr();
if (!ssa)
return *this;
size_t expr = GetSSAExprIndex();
return ssa->GetExpr(expr);
}
HighLevelILInstruction HighLevelILInstructionBase::GetNonSSAForm() const
{
Ref<HighLevelILFunction> nonSsa = function->GetNonSSAForm();
if (!nonSsa)
return *this;
size_t expr = GetNonSSAExprIndex();
return nonSsa->GetExpr(expr);
}
size_t HighLevelILInstructionBase::GetMediumLevelILExprIndex() const
{
return function->GetMediumLevelILExprIndex(exprIndex);
}
bool HighLevelILInstructionBase::HasMediumLevelIL() const
{
Ref<MediumLevelILFunction> func = function->GetMediumLevelIL();
if (!func)
return false;
Ref<MediumLevelILFunction> ssa = func->GetSSAForm().GetPtr();
if (!ssa)
return false;
return GetMediumLevelILExprIndex() < ssa->GetExprCount();
}
MediumLevelILInstruction HighLevelILInstructionBase::GetMediumLevelIL() const
{
return GetMediumLevelILSSAForm().GetNonSSAForm();
}
MediumLevelILInstruction HighLevelILInstructionBase::GetMediumLevelILSSAForm() const
{
Ref<MediumLevelILFunction> func = function->GetMediumLevelIL();
if (!func)
throw MediumLevelILInstructionAccessException();
Ref<MediumLevelILFunction> ssa = func->GetSSAForm().GetPtr();
if (!ssa)
throw MediumLevelILInstructionAccessException();
size_t expr = GetMediumLevelILExprIndex();
if (expr >= ssa->GetExprCount())
throw MediumLevelILInstructionAccessException();
return ssa->GetExpr(expr);
}
char* HighLevelILInstructionBase::Dump() const
{
if (!function)
return strdup("<uninit>");
vector<InstructionTextToken> tokens;
vector<DisassemblyTextLine> lines = function->GetExprText(*this, new DisassemblySettings());
if (!lines.empty())
{
string text;
if (exprIndex != BN_INVALID_EXPR && (exprIndex & 0xffff000000000000) == 0)
{
text += "[expr " + to_string(exprIndex) + "] ";
}
if (instructionIndex != BN_INVALID_EXPR && (instructionIndex & 0xffff000000000000) == 0)
{
text += "[instr " + to_string(instructionIndex) + "] ";
}
Ref<Type> type = GetType().GetValue();
if (type)
{
text += "[type: " + type->GetString() + "] ";
}
for (auto& line: lines)
{
for (auto& token: line.tokens)
{
text += token.text;
}
text += " ; ";
}
return strdup(text.c_str());
}
else
{
return strdup("???");
}
}
void HighLevelILInstructionBase::Replace(ExprId expr)
{
function->ReplaceExpr(exprIndex, expr);