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basicblock.cpp
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// Copyright (c) 2015-2022 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"
using namespace BinaryNinja;
using namespace std;
DisassemblySettings::DisassemblySettings()
{
m_object = BNCreateDisassemblySettings();
}
DisassemblySettings::DisassemblySettings(BNDisassemblySettings* settings)
{
m_object = settings;
}
bool DisassemblySettings::IsOptionSet(BNDisassemblyOption option) const
{
return BNIsDisassemblySettingsOptionSet(m_object, option);
}
void DisassemblySettings::SetOption(BNDisassemblyOption option, bool state)
{
BNSetDisassemblySettingsOption(m_object, option, state);
}
size_t DisassemblySettings::GetWidth() const
{
return BNGetDisassemblyWidth(m_object);
}
void DisassemblySettings::SetWidth(size_t width)
{
BNSetDisassemblyWidth(m_object, width);
}
size_t DisassemblySettings::GetMaximumSymbolWidth() const
{
return BNGetDisassemblyMaximumSymbolWidth(m_object);
}
void DisassemblySettings::SetMaximumSymbolWidth(size_t width)
{
BNSetDisassemblyMaximumSymbolWidth(m_object, width);
}
size_t DisassemblySettings::GetGutterWidth() const
{
return BNGetDisassemblyGutterWidth(m_object);
}
void DisassemblySettings::SetGutterWidth(size_t width)
{
BNSetDisassemblyGutterWidth(m_object, width);
}
DisassemblyTextLine::DisassemblyTextLine()
{
addr = 0;
instrIndex = BN_INVALID_EXPR;
highlight.style = StandardHighlightColor;
highlight.color = NoHighlightColor;
highlight.mixColor = NoHighlightColor;
highlight.mix = 0;
highlight.r = 0;
highlight.g = 0;
highlight.b = 0;
highlight.alpha = 0;
typeInfo.hasTypeInfo = false;
typeInfo.fieldIndex = -1;
typeInfo.parentType = nullptr;
typeInfo.offset = 0;
}
BasicBlock::BasicBlock(BNBasicBlock* block)
{
m_object = block;
}
Ref<Function> BasicBlock::GetFunction() const
{
return new Function(BNGetBasicBlockFunction(m_object));
}
Ref<Architecture> BasicBlock::GetArchitecture() const
{
return new CoreArchitecture(BNGetBasicBlockArchitecture(m_object));
}
uint64_t BasicBlock::GetStart() const
{
return BNGetBasicBlockStart(m_object);
}
uint64_t BasicBlock::GetEnd() const
{
return BNGetBasicBlockEnd(m_object);
}
uint64_t BasicBlock::GetLength() const
{
return BNGetBasicBlockLength(m_object);
}
size_t BasicBlock::GetIndex() const
{
return BNGetBasicBlockIndex(m_object);
}
vector<BasicBlockEdge> BasicBlock::GetOutgoingEdges() const
{
size_t count;
BNBasicBlockEdge* array = BNGetBasicBlockOutgoingEdges(m_object, &count);
vector<BasicBlockEdge> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
{
BasicBlockEdge edge;
edge.type = array[i].type;
edge.target = array[i].target ? new BasicBlock(BNNewBasicBlockReference(array[i].target)) : nullptr;
edge.backEdge = array[i].backEdge;
edge.fallThrough = array[i].fallThrough;
result.push_back(edge);
}
BNFreeBasicBlockEdgeList(array, count);
return result;
}
vector<BasicBlockEdge> BasicBlock::GetIncomingEdges() const
{
size_t count;
BNBasicBlockEdge* array = BNGetBasicBlockIncomingEdges(m_object, &count);
vector<BasicBlockEdge> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
{
BasicBlockEdge edge;
edge.type = array[i].type;
edge.target = array[i].target ? new BasicBlock(BNNewBasicBlockReference(array[i].target)) : nullptr;
edge.backEdge = array[i].backEdge;
edge.fallThrough = array[i].fallThrough;
result.push_back(edge);
}
BNFreeBasicBlockEdgeList(array, count);
return result;
}
bool BasicBlock::HasUndeterminedOutgoingEdges() const
{
return BNBasicBlockHasUndeterminedOutgoingEdges(m_object);
}
bool BasicBlock::CanExit() const
{
return BNBasicBlockCanExit(m_object);
}
void BasicBlock::SetCanExit(bool value)
{
BNBasicBlockSetCanExit(m_object, value);
}
set<Ref<BasicBlock>> BasicBlock::GetDominators(bool post) const
{
size_t count;
BNBasicBlock** blocks = BNGetBasicBlockDominators(m_object, &count, post);
set<Ref<BasicBlock>> result;
for (size_t i = 0; i < count; i++)
result.insert(new BasicBlock(BNNewBasicBlockReference(blocks[i])));
BNFreeBasicBlockList(blocks, count);
return result;
}
set<Ref<BasicBlock>> BasicBlock::GetStrictDominators(bool post) const
{
size_t count;
BNBasicBlock** blocks = BNGetBasicBlockStrictDominators(m_object, &count, post);
set<Ref<BasicBlock>> result;
for (size_t i = 0; i < count; i++)
result.insert(new BasicBlock(BNNewBasicBlockReference(blocks[i])));
BNFreeBasicBlockList(blocks, count);
return result;
}
Ref<BasicBlock> BasicBlock::GetImmediateDominator(bool post) const
{
BNBasicBlock* result = BNGetBasicBlockImmediateDominator(m_object, post);
if (!result)
return nullptr;
return new BasicBlock(result);
}
set<Ref<BasicBlock>> BasicBlock::GetDominatorTreeChildren(bool post) const
{
size_t count;
BNBasicBlock** blocks = BNGetBasicBlockDominatorTreeChildren(m_object, &count, post);
set<Ref<BasicBlock>> result;
for (size_t i = 0; i < count; i++)
result.insert(new BasicBlock(BNNewBasicBlockReference(blocks[i])));
BNFreeBasicBlockList(blocks, count);
return result;
}
set<Ref<BasicBlock>> BasicBlock::GetDominanceFrontier(bool post) const
{
size_t count;
BNBasicBlock** blocks = BNGetBasicBlockDominanceFrontier(m_object, &count, post);
set<Ref<BasicBlock>> result;
for (size_t i = 0; i < count; i++)
result.insert(new BasicBlock(BNNewBasicBlockReference(blocks[i])));
BNFreeBasicBlockList(blocks, count);
return result;
}
set<Ref<BasicBlock>> BasicBlock::GetIteratedDominanceFrontier(const set<Ref<BasicBlock>>& blocks)
{
BNBasicBlock** blockSet = new BNBasicBlock*[blocks.size()];
size_t i = 0;
for (auto& j : blocks)
blockSet[i++] = j->GetObject();
size_t count;
BNBasicBlock** resultBlocks = BNGetBasicBlockIteratedDominanceFrontier(blockSet, blocks.size(), &count);
delete[] blockSet;
set<Ref<BasicBlock>> result;
for (size_t k = 0; k < count; k++)
result.insert(new BasicBlock(BNNewBasicBlockReference(resultBlocks[k])));
BNFreeBasicBlockList(resultBlocks, count);
return result;
}
void BasicBlock::MarkRecentUse()
{
BNMarkBasicBlockAsRecentlyUsed(m_object);
}
vector<vector<InstructionTextToken>> BasicBlock::GetAnnotations()
{
return GetFunction()->GetBlockAnnotations(GetArchitecture(), GetStart());
}
vector<DisassemblyTextLine> BasicBlock::GetDisassemblyText(DisassemblySettings* settings)
{
size_t count;
BNDisassemblyTextLine* lines = BNGetBasicBlockDisassemblyText(m_object, settings->GetObject(), &count);
vector<DisassemblyTextLine> result;
result.reserve(count);
for (size_t i = 0; i < count; i++)
{
DisassemblyTextLine line;
line.addr = lines[i].addr;
line.instrIndex = lines[i].instrIndex;
line.highlight = lines[i].highlight;
line.tokens = InstructionTextToken::ConvertInstructionTextTokenList(lines[i].tokens, lines[i].count);
line.tags = Tag::ConvertTagList(lines[i].tags, lines[i].tagCount);
result.push_back(line);
}
BNFreeDisassemblyTextLines(lines, count);
return result;
}
BNHighlightColor BasicBlock::GetBasicBlockHighlight()
{
return BNGetBasicBlockHighlight(m_object);
}
void BasicBlock::SetAutoBasicBlockHighlight(BNHighlightColor color)
{
BNSetAutoBasicBlockHighlight(m_object, color);
}
void BasicBlock::SetAutoBasicBlockHighlight(BNHighlightStandardColor color, uint8_t alpha)
{
BNHighlightColor hc;
hc.style = StandardHighlightColor;
hc.color = color;
hc.mixColor = NoHighlightColor;
hc.mix = 0;
hc.r = 0;
hc.g = 0;
hc.b = 0;
hc.alpha = alpha;
SetAutoBasicBlockHighlight(hc);
}
void BasicBlock::SetAutoBasicBlockHighlight(
BNHighlightStandardColor color, BNHighlightStandardColor mixColor, uint8_t mix, uint8_t alpha)
{
BNHighlightColor hc;
hc.style = MixedHighlightColor;
hc.color = color;
hc.mixColor = mixColor;
hc.mix = mix;
hc.r = 0;
hc.g = 0;
hc.b = 0;
hc.alpha = alpha;
SetAutoBasicBlockHighlight(hc);
}
void BasicBlock::SetAutoBasicBlockHighlight(uint8_t r, uint8_t g, uint8_t b, uint8_t alpha)
{
BNHighlightColor hc;
hc.style = CustomHighlightColor;
hc.color = NoHighlightColor;
hc.mixColor = NoHighlightColor;
hc.mix = 0;
hc.r = r;
hc.g = g;
hc.b = b;
hc.alpha = alpha;
SetAutoBasicBlockHighlight(hc);
}
void BasicBlock::SetUserBasicBlockHighlight(BNHighlightColor color)
{
BNSetUserBasicBlockHighlight(m_object, color);
}
void BasicBlock::SetUserBasicBlockHighlight(BNHighlightStandardColor color, uint8_t alpha)
{
BNHighlightColor hc;
hc.style = StandardHighlightColor;
hc.color = color;
hc.mixColor = NoHighlightColor;
hc.mix = 0;
hc.r = 0;
hc.g = 0;
hc.b = 0;
hc.alpha = alpha;
SetUserBasicBlockHighlight(hc);
}
void BasicBlock::SetUserBasicBlockHighlight(
BNHighlightStandardColor color, BNHighlightStandardColor mixColor, uint8_t mix, uint8_t alpha)
{
BNHighlightColor hc;
hc.style = MixedHighlightColor;
hc.color = color;
hc.mixColor = mixColor;
hc.mix = mix;
hc.r = 0;
hc.g = 0;
hc.b = 0;
hc.alpha = alpha;
SetUserBasicBlockHighlight(hc);
}
void BasicBlock::SetUserBasicBlockHighlight(uint8_t r, uint8_t g, uint8_t b, uint8_t alpha)
{
BNHighlightColor hc;
hc.style = CustomHighlightColor;
hc.color = NoHighlightColor;
hc.mixColor = NoHighlightColor;
hc.mix = 0;
hc.r = r;
hc.g = g;
hc.b = b;
hc.alpha = alpha;
SetUserBasicBlockHighlight(hc);
}
bool BasicBlock::IsBackEdge(BasicBlock* source, BasicBlock* target)
{
for (auto& i : source->GetOutgoingEdges())
{
if (i.target->GetObject() == target->GetObject())
return i.backEdge;
}
return false;
}
bool BasicBlock::IsILBlock() const
{
return BNIsILBasicBlock(m_object);
}
bool BasicBlock::IsLowLevelILBlock() const
{
return BNIsLowLevelILBasicBlock(m_object);
}
bool BasicBlock::IsMediumLevelILBlock() const
{
return BNIsMediumLevelILBasicBlock(m_object);
}
Ref<LowLevelILFunction> BasicBlock::GetLowLevelILFunction() const
{
BNLowLevelILFunction* func = BNGetBasicBlockLowLevelILFunction(m_object);
if (!func)
return nullptr;
return new LowLevelILFunction(func);
}
Ref<MediumLevelILFunction> BasicBlock::GetMediumLevelILFunction() const
{
BNMediumLevelILFunction* func = BNGetBasicBlockMediumLevelILFunction(m_object);
if (!func)
return nullptr;
return new MediumLevelILFunction(func);
}
Ref<HighLevelILFunction> BasicBlock::GetHighLevelILFunction() const
{
BNHighLevelILFunction* func = BNGetBasicBlockHighLevelILFunction(m_object);
if (!func)
return nullptr;
return new HighLevelILFunction(func);
}
bool BasicBlock::GetInstructionContainingAddress(uint64_t addr, uint64_t* start)
{
return BNGetBasicBlockInstructionContainingAddress(m_object, addr, start);
}
Ref<BasicBlock> BasicBlock::GetSourceBlock() const
{
BNBasicBlock* block = BNGetBasicBlockSourceBlock(m_object);
if (!block)
return nullptr;
return new BasicBlock(block);
}