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basicblock.cpp
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// Copyright (c) 2015-2017 Vector 35 LLC
//
// 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);
}
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;
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;
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;
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;
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);
}
set<Ref<BasicBlock>> BasicBlock::GetDominators() const
{
size_t count;
BNBasicBlock** blocks = BNGetBasicBlockDominators(m_object, &count);
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() const
{
size_t count;
BNBasicBlock** blocks = BNGetBasicBlockStrictDominators(m_object, &count);
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() const
{
BNBasicBlock* result = BNGetBasicBlockImmediateDominator(m_object);
if (!result)
return nullptr;
return new BasicBlock(result);
}
set<Ref<BasicBlock>> BasicBlock::GetDominatorTreeChildren() const
{
size_t count;
BNBasicBlock** blocks = BNGetBasicBlockDominatorTreeChildren(m_object, &count);
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() const
{
size_t count;
BNBasicBlock** blocks = BNGetBasicBlockDominanceFrontier(m_object, &count);
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 i = 0; i < count; i++)
result.insert(new BasicBlock(BNNewBasicBlockReference(resultBlocks[i])));
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;
for (size_t i = 0; i < count; i++)
{
DisassemblyTextLine line;
line.addr = lines[i].addr;
for (size_t j = 0; j < lines[i].count; j++)
{
InstructionTextToken token;
token.type = lines[i].tokens[j].type;
token.text = lines[i].tokens[j].text;
token.value = lines[i].tokens[j].value;
token.size = lines[i].tokens[j].size;
token.operand = lines[i].tokens[j].operand;
token.context = lines[i].tokens[j].context;
token.confidence = lines[i].tokens[j].confidence;
token.address = lines[i].tokens[j].address;
line.tokens.push_back(token);
}
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;
}