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function.cpp
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3304 lines (2563 loc) · 85 KB
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// Copyright (c) 2015-2024 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 "binaryninjaapi.h"
#include "mediumlevelilinstruction.h"
#include <cstring>
using namespace BinaryNinja;
using namespace std;
Variable::Variable()
{
type = RegisterVariableSourceType;
index = 0;
storage = 0;
}
Variable::Variable(BNVariableSourceType t, uint32_t i, uint64_t s)
{
type = t;
index = i;
storage = s;
}
Variable::Variable(const BNVariable& var)
{
type = var.type;
index = var.index;
storage = var.storage;
}
Variable::Variable(const Variable& var)
{
type = var.type;
index = var.index;
storage = var.storage;
}
Variable& Variable::operator=(const Variable& var)
{
type = var.type;
index = var.index;
storage = var.storage;
return *this;
}
bool Variable::operator==(const Variable& var) const
{
if (type != var.type)
return false;
if (index != var.index)
return false;
return storage == var.storage;
}
bool Variable::operator!=(const Variable& var) const
{
return !((*this) == var);
}
bool Variable::operator<(const Variable& var) const
{
return ToIdentifier() < var.ToIdentifier();
}
uint64_t Variable::ToIdentifier() const
{
return BNToVariableIdentifier(this);
}
Variable Variable::FromIdentifier(uint64_t id)
{
return BNFromVariableIdentifier(id);
}
RegisterValue::RegisterValue() : state(UndeterminedValue), value(0), offset(0), size(0) {}
bool RegisterValue::operator==(const RegisterValue& a) const
{
switch (a.state)
{
case EntryValue:
return (state == EntryValue) && (a.value == value);
case ConstantValue:
return (state == ConstantValue) && (a.value == value);
case ConstantPointerValue:
return (state == ConstantPointerValue) && (a.value == value);
case ExternalPointerValue:
return (state == ExternalPointerValue) && (a.value == value) && (a.offset == offset);
case StackFrameOffset:
return (state == StackFrameOffset) && (a.value == value);
case UndeterminedValue:
return state == UndeterminedValue;
case ReturnAddressValue:
return state == ReturnAddressValue;
case ImportedAddressValue:
return (state == ImportedAddressValue) && (a.value == value);
case ConstantDataZeroExtendValue:
return (state == ConstantDataZeroExtendValue) && (a.value == value) && (a.size == size);
case ConstantDataSignExtendValue:
return (state == ConstantDataSignExtendValue) && (a.value == value) && (a.size == size);
case ConstantDataAggregateValue:
return (state == ConstantDataAggregateValue) && (a.value == value) && (a.size == size);
default:
return false;
}
}
bool RegisterValue::operator!=(const RegisterValue& a) const
{
return !((*this) == a);
}
bool RegisterValue::IsConstant() const
{
return (state == ConstantValue) || (state == ConstantPointerValue);
}
bool RegisterValue::IsConstantData() const
{
return ((state & ConstantDataValue) == ConstantDataValue);
}
BNRegisterValue RegisterValue::ToAPIObject()
{
BNRegisterValue result;
result.state = state;
result.value = value;
result.offset = offset;
result.size = size;
return result;
}
ConstantData::ConstantData()
{
state = UndeterminedValue;
value = 0;
size = 0;
}
ConstantData::ConstantData(BNRegisterValueType _state, uint64_t _value)
{
state = _state;
value = _value;
size = 0;
}
ConstantData::ConstantData(BNRegisterValueType _state, uint64_t _value, size_t _size, Ref<Function> _func)
{
state = _state;
value = _value;
size = _size;
func = _func;
}
pair<DataBuffer, BNBuiltinType> ConstantData::ToDataBuffer() const
{
if (func)
return func->GetConstantData(state, value, size);
return make_pair(DataBuffer(), BuiltinNone);
}
RegisterValue ConstantData::ToRegisterValue() const
{
RegisterValue result;
result.state = state;
result.value = value;
result.size = size;
return result;
}
Function::Function(BNFunction* func)
{
m_object = func;
m_advancedAnalysisRequests = 0;
}
Function::~Function()
{
if (m_advancedAnalysisRequests > 0)
BNReleaseAdvancedFunctionAnalysisDataMultiple(m_object, (size_t)m_advancedAnalysisRequests);
}
Ref<BinaryView> Function::GetView() const
{
return new BinaryView(BNGetFunctionData(m_object));
}
Ref<Platform> Function::GetPlatform() const
{
return new CorePlatform(BNGetFunctionPlatform(m_object));
}
Ref<Architecture> Function::GetArchitecture() const
{
return new CoreArchitecture(BNGetFunctionArchitecture(m_object));
}
uint64_t Function::GetStart() const
{
return BNGetFunctionStart(m_object);
}
Ref<Symbol> Function::GetSymbol() const
{
return new Symbol(BNGetFunctionSymbol(m_object));
}
bool Function::WasAutomaticallyDiscovered() const
{
return BNWasFunctionAutomaticallyDiscovered(m_object);
}
bool Function::HasUserAnnotations() const
{
return BNFunctionHasUserAnnotations(m_object);
}
Confidence<bool> Function::CanReturn() const
{
BNBoolWithConfidence bc = BNCanFunctionReturn(m_object);
return Confidence<bool>(bc.value, bc.confidence);
}
Confidence<bool> Function::IsPure() const
{
BNBoolWithConfidence bc = BNIsFunctionPure(m_object);
return Confidence<bool>(bc.value, bc.confidence);
}
bool Function::HasExplicitlyDefinedType() const
{
return BNFunctionHasExplicitlyDefinedType(m_object);
}
bool Function::NeedsUpdate() const
{
return BNIsFunctionUpdateNeeded(m_object);
}
vector<Ref<BasicBlock>> Function::GetBasicBlocks() const
{
size_t count;
BNBasicBlock** blocks = BNGetFunctionBasicBlockList(m_object, &count);
vector<Ref<BasicBlock>> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
result.push_back(new BasicBlock(BNNewBasicBlockReference(blocks[i])));
BNFreeBasicBlockList(blocks, count);
return result;
}
Ref<BasicBlock> Function::GetBasicBlockAtAddress(Architecture* arch, uint64_t addr) const
{
BNBasicBlock* block = BNGetFunctionBasicBlockAtAddress(m_object, arch->GetObject(), addr);
if (!block)
return nullptr;
return new BasicBlock(block);
}
void Function::MarkRecentUse()
{
BNMarkFunctionAsRecentlyUsed(m_object);
}
string Function::GetComment() const
{
char* comment = BNGetFunctionComment(m_object);
string result = comment;
BNFreeString(comment);
return result;
}
string Function::GetCommentForAddress(uint64_t addr) const
{
char* comment = BNGetCommentForAddress(m_object, addr);
string result = comment;
BNFreeString(comment);
return result;
}
vector<uint64_t> Function::GetCommentedAddresses() const
{
size_t count;
uint64_t* addrs = BNGetCommentedAddresses(m_object, &count);
vector<uint64_t> result;
result.insert(result.end(), addrs, &addrs[count]);
BNFreeAddressList(addrs);
return result;
}
void Function::SetComment(const string& comment)
{
BNSetFunctionComment(m_object, comment.c_str());
}
void Function::SetCommentForAddress(uint64_t addr, const string& comment)
{
BNSetCommentForAddress(m_object, addr, comment.c_str());
}
vector<ReferenceSource> Function::GetCallSites() const
{
size_t count;
BNReferenceSource* refs = BNGetFunctionCallSites(m_object, &count);
vector<ReferenceSource> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
{
ReferenceSource src;
src.func = new Function(BNNewFunctionReference(refs[i].func));
src.arch = new CoreArchitecture(refs[i].arch);
src.addr = refs[i].addr;
result.push_back(src);
}
BNFreeCodeReferences(refs, count);
return result;
}
void Function::AddUserCodeReference(Architecture* fromArch, uint64_t fromAddr, uint64_t toAddr)
{
BNAddUserCodeReference(m_object, fromArch->GetObject(), fromAddr, toAddr);
}
void Function::RemoveUserCodeReference(Architecture* fromArch, uint64_t fromAddr, uint64_t toAddr)
{
BNRemoveUserCodeReference(m_object, fromArch->GetObject(), fromAddr, toAddr);
}
void Function::AddUserTypeReference(Architecture* fromArch, uint64_t fromAddr, const QualifiedName& name)
{
BNQualifiedName nameObj = name.GetAPIObject();
BNAddUserTypeReference(m_object, fromArch->GetObject(), fromAddr, &nameObj);
}
void Function::RemoveUserTypeReference(Architecture* fromArch, uint64_t fromAddr, const QualifiedName& name)
{
BNQualifiedName nameObj = name.GetAPIObject();
BNRemoveUserTypeReference(m_object, fromArch->GetObject(), fromAddr, &nameObj);
}
void Function::AddUserTypeFieldReference(
Architecture* fromArch, uint64_t fromAddr, const QualifiedName& name, uint64_t offset, size_t size)
{
BNQualifiedName nameObj = name.GetAPIObject();
BNAddUserTypeFieldReference(m_object, fromArch->GetObject(), fromAddr, &nameObj, offset, size);
}
void Function::RemoveUserTypeFieldReference(
Architecture* fromArch, uint64_t fromAddr, const QualifiedName& name, uint64_t offset, size_t size)
{
BNQualifiedName nameObj = name.GetAPIObject();
BNRemoveUserTypeFieldReference(m_object, fromArch->GetObject(), fromAddr, &nameObj, offset, size);
}
Ref<LowLevelILFunction> Function::GetLowLevelIL() const
{
BNLowLevelILFunction* function = BNGetFunctionLowLevelIL(m_object);
if (!function)
return nullptr;
return new LowLevelILFunction(function);
}
Ref<LowLevelILFunction> Function::GetLowLevelILIfAvailable() const
{
BNLowLevelILFunction* function = BNGetFunctionLowLevelILIfAvailable(m_object);
if (!function)
return nullptr;
return new LowLevelILFunction(function);
}
size_t Function::GetLowLevelILForInstruction(Architecture* arch, uint64_t addr)
{
return BNGetLowLevelILForInstruction(m_object, arch->GetObject(), addr);
}
set<size_t> Function::GetLowLevelILInstructionsForAddress(Architecture* arch, uint64_t addr)
{
size_t count;
size_t* instrs = BNGetLowLevelILInstructionsForAddress(m_object, arch->GetObject(), addr, &count);
set<size_t> result;
for (size_t i = 0; i < count; i++)
result.insert(instrs[i]);
BNFreeILInstructionList(instrs);
return result;
}
vector<size_t> Function::GetLowLevelILExitsForInstruction(Architecture* arch, uint64_t addr)
{
size_t count;
size_t* exits = BNGetLowLevelILExitsForInstruction(m_object, arch->GetObject(), addr, &count);
vector<size_t> result;
result.insert(result.end(), exits, &exits[count]);
BNFreeILInstructionList(exits);
return result;
}
RegisterValue RegisterValue::FromAPIObject(const BNRegisterValue& value)
{
RegisterValue result;
result.state = value.state;
result.value = value.value;
result.offset = value.offset;
result.size = value.size;
return result;
}
PossibleValueSet PossibleValueSet::FromAPIObject(BNPossibleValueSet& value)
{
PossibleValueSet result;
result.state = value.state;
result.value = value.value;
result.offset = value.offset;
result.size = value.size;
if (value.state == LookupTableValue)
{
for (size_t i = 0; i < value.count; i++)
{
LookupTableEntry entry;
entry.fromValues.insert(entry.fromValues.end(), &value.table[i].fromValues[0],
&value.table[i].fromValues[value.table[i].fromCount]);
entry.toValue = value.table[i].toValue;
result.table.push_back(entry);
}
}
else if ((value.state == SignedRangeValue) || (value.state == UnsignedRangeValue))
{
for (size_t i = 0; i < value.count; i++)
result.ranges.push_back(value.ranges[i]);
}
else if ((value.state == InSetOfValues) || (value.state == NotInSetOfValues))
{
for (size_t i = 0; i < value.count; i++)
result.valueSet.insert(value.valueSet[i]);
}
result.count = value.count;
BNFreePossibleValueSet(&value);
return result;
}
BNPossibleValueSet PossibleValueSet::ToAPIObject()
{
BNPossibleValueSet result;
result.state = state;
result.value = value;
result.offset = offset;
result.size = size;
result.count = 0;
if ((state == SignedRangeValue) || (state == UnsignedRangeValue))
{
result.ranges = new BNValueRange[ranges.size()];
result.count = ranges.size();
for (size_t i = 0; i < ranges.size(); i++)
result.ranges[i] = ranges[i];
}
else
{
result.ranges = nullptr;
}
if (state == LookupTableValue)
{
result.table = new BNLookupTableEntry[table.size()];
result.count = table.size();
for (size_t i = 0; i < table.size(); i++)
{
result.table[i].fromValues = new int64_t[table[i].fromValues.size()];
memcpy(result.table[i].fromValues, &table[i].fromValues[0], sizeof(int64_t) * table[i].fromValues.size());
result.table[i].fromCount = table[i].fromValues.size();
result.table[i].toValue = table[i].toValue;
}
}
else
{
result.table = nullptr;
}
if ((state == InSetOfValues) || (state == NotInSetOfValues))
{
result.valueSet = new int64_t[valueSet.size()];
result.count = valueSet.size();
size_t i = 0;
for (auto j : valueSet)
result.valueSet[i++] = j;
}
else
{
result.valueSet = nullptr;
}
return result;
}
void PossibleValueSet::FreeAPIObject(BNPossibleValueSet* value)
{
switch (value->state)
{
case SignedRangeValue:
case UnsignedRangeValue:
delete[] value->ranges;
break;
case LookupTableValue:
for (size_t i = 0; i < value->count; i ++)
{
delete[] value->table[i].fromValues;
}
delete[] value->table;
break;
case InSetOfValues:
case NotInSetOfValues:
delete[] value->valueSet;
break;
default:
break;
}
}
pair<DataBuffer, BNBuiltinType> Function::GetConstantData(BNRegisterValueType state, uint64_t value, size_t size)
{
BNBuiltinType builtin;
auto buffer = DataBuffer(BNGetConstantData(m_object, state, value, size, &builtin));
return make_pair(buffer, builtin);
}
RegisterValue Function::GetRegisterValueAtInstruction(Architecture* arch, uint64_t addr, uint32_t reg)
{
BNRegisterValue value = BNGetRegisterValueAtInstruction(m_object, arch->GetObject(), addr, reg);
return RegisterValue::FromAPIObject(value);
}
RegisterValue Function::GetRegisterValueAfterInstruction(Architecture* arch, uint64_t addr, uint32_t reg)
{
BNRegisterValue value = BNGetRegisterValueAfterInstruction(m_object, arch->GetObject(), addr, reg);
return RegisterValue::FromAPIObject(value);
}
RegisterValue Function::GetStackContentsAtInstruction(Architecture* arch, uint64_t addr, int64_t offset, size_t size)
{
BNRegisterValue value = BNGetStackContentsAtInstruction(m_object, arch->GetObject(), addr, offset, size);
return RegisterValue::FromAPIObject(value);
}
RegisterValue Function::GetStackContentsAfterInstruction(Architecture* arch, uint64_t addr, int64_t offset, size_t size)
{
BNRegisterValue value = BNGetStackContentsAfterInstruction(m_object, arch->GetObject(), addr, offset, size);
return RegisterValue::FromAPIObject(value);
}
RegisterValue Function::GetParameterValueAtInstruction(Architecture* arch, uint64_t addr, Type* functionType, size_t i)
{
BNRegisterValue value = BNGetParameterValueAtInstruction(
m_object, arch->GetObject(), addr, functionType ? functionType->GetObject() : nullptr, i);
return RegisterValue::FromAPIObject(value);
}
RegisterValue Function::GetParameterValueAtLowLevelILInstruction(size_t instr, Type* functionType, size_t i)
{
BNRegisterValue value = BNGetParameterValueAtLowLevelILInstruction(
m_object, instr, functionType ? functionType->GetObject() : nullptr, i);
return RegisterValue::FromAPIObject(value);
}
vector<uint32_t> Function::GetRegistersReadByInstruction(Architecture* arch, uint64_t addr)
{
size_t count;
uint32_t* regs = BNGetRegistersReadByInstruction(m_object, arch->GetObject(), addr, &count);
vector<uint32_t> result;
result.insert(result.end(), regs, ®s[count]);
BNFreeRegisterList(regs);
return result;
}
vector<uint32_t> Function::GetRegistersWrittenByInstruction(Architecture* arch, uint64_t addr)
{
size_t count;
uint32_t* regs = BNGetRegistersWrittenByInstruction(m_object, arch->GetObject(), addr, &count);
vector<uint32_t> result;
result.insert(result.end(), regs, ®s[count]);
BNFreeRegisterList(regs);
return result;
}
vector<StackVariableReference> Function::GetStackVariablesReferencedByInstruction(Architecture* arch, uint64_t addr)
{
size_t count;
BNStackVariableReference* refs =
BNGetStackVariablesReferencedByInstruction(m_object, arch->GetObject(), addr, &count);
vector<StackVariableReference> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
{
StackVariableReference ref;
ref.sourceOperand = refs[i].sourceOperand;
ref.type = Confidence<Ref<Type>>(
refs[i].type ? new Type(BNNewTypeReference(refs[i].type)) : nullptr, refs[i].typeConfidence);
ref.name = refs[i].name;
ref.var = Variable::FromIdentifier(refs[i].varIdentifier);
ref.referencedOffset = refs[i].referencedOffset;
ref.size = refs[i].size;
result.push_back(ref);
}
BNFreeStackVariableReferenceList(refs, count);
return result;
}
vector<StackVariableReference> Function::GetStackVariablesReferencedByInstructionIfAvailable(
Architecture* arch, uint64_t addr)
{
size_t count;
BNStackVariableReference* refs =
BNGetStackVariablesReferencedByInstructionIfAvailable(m_object, arch->GetObject(), addr, &count);
vector<StackVariableReference> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
{
StackVariableReference ref;
ref.sourceOperand = refs[i].sourceOperand;
ref.type = Confidence<Ref<Type>>(
refs[i].type ? new Type(BNNewTypeReference(refs[i].type)) : nullptr, refs[i].typeConfidence);
ref.name = refs[i].name;
ref.var = Variable::FromIdentifier(refs[i].varIdentifier);
ref.referencedOffset = refs[i].referencedOffset;
ref.size = refs[i].size;
result.push_back(ref);
}
BNFreeStackVariableReferenceList(refs, count);
return result;
}
vector<BNConstantReference> Function::GetConstantsReferencedByInstruction(Architecture* arch, uint64_t addr)
{
size_t count;
BNConstantReference* refs = BNGetConstantsReferencedByInstruction(m_object, arch->GetObject(), addr, &count);
vector<BNConstantReference> result;
result.insert(result.end(), &refs[0], &refs[count]);
BNFreeConstantReferenceList(refs);
return result;
}
vector<BNConstantReference> Function::GetConstantsReferencedByInstructionIfAvailable(Architecture* arch, uint64_t addr)
{
size_t count;
BNConstantReference* refs =
BNGetConstantsReferencedByInstructionIfAvailable(m_object, arch->GetObject(), addr, &count);
vector<BNConstantReference> result;
result.insert(result.end(), &refs[0], &refs[count]);
BNFreeConstantReferenceList(refs);
return result;
}
Ref<LowLevelILFunction> Function::GetLiftedIL() const
{
BNLowLevelILFunction* function = BNGetFunctionLiftedIL(m_object);
if (!function)
return nullptr;
return new LowLevelILFunction(function);
}
Ref<LowLevelILFunction> Function::GetLiftedILIfAvailable() const
{
BNLowLevelILFunction* function = BNGetFunctionLiftedILIfAvailable(m_object);
if (!function)
return nullptr;
return new LowLevelILFunction(function);
}
size_t Function::GetLiftedILForInstruction(Architecture* arch, uint64_t addr)
{
return BNGetLiftedILForInstruction(m_object, arch->GetObject(), addr);
}
set<size_t> Function::GetLiftedILInstructionsForAddress(Architecture* arch, uint64_t addr)
{
size_t count;
size_t* instrs = BNGetLiftedILInstructionsForAddress(m_object, arch->GetObject(), addr, &count);
set<size_t> result;
for (size_t i = 0; i < count; i++)
result.insert(instrs[i]);
BNFreeILInstructionList(instrs);
return result;
}
set<size_t> Function::GetLiftedILFlagUsesForDefinition(size_t i, uint32_t flag)
{
size_t count;
size_t* instrs = BNGetLiftedILFlagUsesForDefinition(m_object, i, flag, &count);
set<size_t> result;
result.insert(&instrs[0], &instrs[count]);
BNFreeILInstructionList(instrs);
return result;
}
set<size_t> Function::GetLiftedILFlagDefinitionsForUse(size_t i, uint32_t flag)
{
size_t count;
size_t* instrs = BNGetLiftedILFlagDefinitionsForUse(m_object, i, flag, &count);
set<size_t> result;
result.insert(&instrs[0], &instrs[count]);
BNFreeILInstructionList(instrs);
return result;
}
set<uint32_t> Function::GetFlagsReadByLiftedILInstruction(size_t i)
{
size_t count;
uint32_t* flags = BNGetFlagsReadByLiftedILInstruction(m_object, i, &count);
set<uint32_t> result;
result.insert(&flags[0], &flags[count]);
BNFreeRegisterList(flags);
return result;
}
set<uint32_t> Function::GetFlagsWrittenByLiftedILInstruction(size_t i)
{
size_t count;
uint32_t* flags = BNGetFlagsWrittenByLiftedILInstruction(m_object, i, &count);
set<uint32_t> result;
result.insert(&flags[0], &flags[count]);
BNFreeRegisterList(flags);
return result;
}
Ref<MediumLevelILFunction> Function::GetMediumLevelIL() const
{
BNMediumLevelILFunction* function = BNGetFunctionMediumLevelIL(m_object);
if (!function)
return nullptr;
return new MediumLevelILFunction(function);
}
Ref<MediumLevelILFunction> Function::GetMappedMediumLevelIL() const
{
BNMediumLevelILFunction* function = BNGetFunctionMappedMediumLevelIL(m_object);
if (!function)
return nullptr;
return new MediumLevelILFunction(function);
}
Ref<MediumLevelILFunction> Function::GetMediumLevelILIfAvailable() const
{
BNMediumLevelILFunction* function = BNGetFunctionMediumLevelILIfAvailable(m_object);
if (!function)
return nullptr;
return new MediumLevelILFunction(function);
}
Ref<MediumLevelILFunction> Function::GetMappedMediumLevelILIfAvailable() const
{
BNMediumLevelILFunction* function = BNGetFunctionMappedMediumLevelILIfAvailable(m_object);
if (!function)
return nullptr;
return new MediumLevelILFunction(function);
}
Ref<HighLevelILFunction> Function::GetHighLevelIL() const
{
BNHighLevelILFunction* function = BNGetFunctionHighLevelIL(m_object);
if (!function)
return nullptr;
return new HighLevelILFunction(function);
}
Ref<HighLevelILFunction> Function::GetHighLevelILIfAvailable() const
{
BNHighLevelILFunction* function = BNGetFunctionHighLevelILIfAvailable(m_object);
if (!function)
return nullptr;
return new HighLevelILFunction(function);
}
Ref<LanguageRepresentationFunction> Function::GetLanguageRepresentation(const string& language) const
{
BNLanguageRepresentationFunction* function = BNGetFunctionLanguageRepresentation(m_object, language.c_str());
if (!function)
return nullptr;
return new CoreLanguageRepresentationFunction(function);
}
Ref<LanguageRepresentationFunction> Function::GetLanguageRepresentationIfAvailable(const string& language) const
{
BNLanguageRepresentationFunction* function =
BNGetFunctionLanguageRepresentationIfAvailable(m_object, language.c_str());
if (!function)
return nullptr;
return new CoreLanguageRepresentationFunction(function);
}
Ref<Type> Function::GetType() const
{
return new Type(BNGetFunctionType(m_object));
}
Confidence<Ref<Type>> Function::GetReturnType() const
{
BNTypeWithConfidence tc = BNGetFunctionReturnType(m_object);
Ref<Type> type = tc.type ? new Type(tc.type) : nullptr;
return Confidence<Ref<Type>>(type, tc.confidence);
}
Confidence<vector<uint32_t>> Function::GetReturnRegisters() const
{
BNRegisterSetWithConfidence regs = BNGetFunctionReturnRegisters(m_object);
vector<uint32_t> regList;
for (size_t i = 0; i < regs.count; i++)
regList.push_back(regs.regs[i]);
Confidence<vector<uint32_t>> result(regList, regs.confidence);
BNFreeRegisterSet(®s);
return result;
}
Confidence<Ref<CallingConvention>> Function::GetCallingConvention() const
{
BNCallingConventionWithConfidence cc = BNGetFunctionCallingConvention(m_object);
Ref<CallingConvention> convention = cc.convention ? new CoreCallingConvention(cc.convention) : nullptr;
return Confidence<Ref<CallingConvention>>(convention, cc.confidence);
}
Confidence<vector<Variable>> Function::GetParameterVariables() const
{
BNParameterVariablesWithConfidence vars = BNGetFunctionParameterVariables(m_object);
vector<Variable> varList;
varList.reserve(vars.count);
for (size_t i = 0; i < vars.count; i++)
varList.emplace_back(vars.vars[i].type, vars.vars[i].index, vars.vars[i].storage);
Confidence<vector<Variable>> result(varList, vars.confidence);
BNFreeParameterVariables(&vars);
return result;
}
Confidence<bool> Function::HasVariableArguments() const
{
BNBoolWithConfidence bc = BNFunctionHasVariableArguments(m_object);
return Confidence<bool>(bc.value, bc.confidence);
}
Confidence<int64_t> Function::GetStackAdjustment() const
{
BNOffsetWithConfidence oc = BNGetFunctionStackAdjustment(m_object);
return Confidence<int64_t>(oc.value, oc.confidence);
}
map<uint32_t, Confidence<int32_t>> Function::GetRegisterStackAdjustments() const
{
size_t count;
BNRegisterStackAdjustment* regStackAdjust = BNGetFunctionRegisterStackAdjustments(m_object, &count);
map<uint32_t, Confidence<int32_t>> result;
for (size_t i = 0; i < count; i++)
result[regStackAdjust[i].regStack] =
Confidence<int32_t>(regStackAdjust[i].adjustment, regStackAdjust[i].confidence);