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#include "binaryninjaapi.h"
using namespace BinaryNinja;
using namespace std;
InstructionInfo::InstructionInfo()
{
length = 0;
branchCount = 0;
}
void InstructionInfo::AddBranch(BNBranchType type, uint64_t target, Architecture* arch)
{
if (branchCount >= BN_MAX_INSTRUCTION_BRANCHES)
return;
branchType[branchCount] = type;
branchTarget[branchCount] = target;
branchArch[branchCount++] = arch ? arch->GetArchitectureObject() : nullptr;
}
InstructionTextToken::InstructionTextToken(): type(TextToken), value(0)
{
}
InstructionTextToken::InstructionTextToken(BNInstructionTextTokenType t, const std::string& txt, uint64_t val) :
type(t), text(txt), value(val)
{
}
Architecture::Architecture(BNArchitecture* arch): m_arch(arch)
{
}
Architecture::Architecture(const string& name): m_nameForRegister(name)
{
}
BNEndianness Architecture::GetEndiannessCallback(void* ctxt)
{
Architecture* arch = (Architecture*)ctxt;
return arch->GetEndianness();
}
size_t Architecture::GetAddressSizeCallback(void* ctxt)
{
Architecture* arch = (Architecture*)ctxt;
return arch->GetAddressSize();
}
bool Architecture::GetInstructionInfoCallback(void* ctxt, const uint8_t* data, uint64_t addr,
size_t maxLen, BNInstructionInfo* result)
{
Architecture* arch = (Architecture*)ctxt;
InstructionInfo info;
bool ok = arch->GetInstructionInfo(data, addr, maxLen, info);
*result = info;
return ok;
}
bool Architecture::GetInstructionTextCallback(void* ctxt, const uint8_t* data, uint64_t addr,
size_t* len, BNInstructionTextToken** result, size_t* count)
{
Architecture* arch = (Architecture*)ctxt;
vector<InstructionTextToken> tokens;
bool ok = arch->GetInstructionText(data, addr, *len, tokens);
if (!ok)
{
*result = nullptr;
*count = 0;
return false;
}
*count = tokens.size();
*result = new BNInstructionTextToken[tokens.size()];
for (size_t i = 0; i < tokens.size(); i++)
{
(*result)[i].type = tokens[i].type;
(*result)[i].text = BNAllocString(tokens[i].text.c_str());
(*result)[i].value = tokens[i].value;
}
return true;
}
void Architecture::FreeInstructionTextCallback(BNInstructionTextToken* tokens, size_t count)
{
for (size_t i = 0; i < count; i++)
BNFreeString(tokens[i].text);
delete[] tokens;
}
bool Architecture::AssembleCallback(void* ctxt, const char* code, uint64_t addr, BNDataBuffer* result, char** errors)
{
Architecture* arch = (Architecture*)ctxt;
DataBuffer buf;
string errorStr;
bool ok = arch->Assemble(code, addr, buf, errorStr);
BNSetDataBufferContents(result, buf.GetData(), buf.GetLength());
*errors = BNAllocString(errorStr.c_str());
return ok;
}
void Architecture::Register(Architecture* arch)
{
BNCustomArchitecture callbacks;
callbacks.context = arch;
callbacks.getEndianness = GetEndiannessCallback;
callbacks.getAddressSize = GetAddressSizeCallback;
callbacks.getInstructionInfo = GetInstructionInfoCallback;
callbacks.getInstructionText = GetInstructionTextCallback;
callbacks.freeInstructionText = FreeInstructionTextCallback;
callbacks.assemble = AssembleCallback;
arch->m_arch = BNRegisterArchitecture(arch->m_nameForRegister.c_str(), &callbacks);
}
Ref<Architecture> Architecture::GetByName(const string& name)
{
BNArchitecture* arch = BNGetArchitectureByName(name.c_str());
if (!arch)
return nullptr;
return new CoreArchitecture(arch);
}
vector<Ref<Architecture>> Architecture::GetList()
{
BNArchitecture** archs;
size_t count;
archs = BNGetArchitectureList(&count);
vector<Ref<Architecture>> result;
for (size_t i = 0; i < count; i++)
result.push_back(new CoreArchitecture(archs[i]));
BNFreeArchitectureList(archs);
return result;
}
string Architecture::GetName() const
{
char* name = BNGetArchitectureName(m_arch);
string result = name;
BNFreeString(name);
return result;
}
CoreArchitecture::CoreArchitecture(BNArchitecture* arch): Architecture(arch)
{
}
BNEndianness CoreArchitecture::GetEndianness() const
{
return BNGetArchitectureEndianness(m_arch);
}
size_t CoreArchitecture::GetAddressSize() const
{
return BNGetArchitectureAddressSize(m_arch);
}
bool CoreArchitecture::GetInstructionInfo(const uint8_t* data, uint64_t addr, size_t maxLen, InstructionInfo& result)
{
return BNGetInstructionInfo(m_arch, data, addr, maxLen, &result);
}
bool CoreArchitecture::GetInstructionText(const uint8_t* data, uint64_t addr, size_t& len, std::vector<InstructionTextToken>& result)
{
BNInstructionTextToken* tokens = nullptr;
size_t count = 0;
if (!BNGetInstructionText(m_arch, data, addr, &len, &tokens, &count))
return false;
for (size_t i = 0; i < count; i++)
result.push_back(InstructionTextToken(tokens[i].type, tokens[i].text, tokens[i].value));
BNFreeInstructionText(tokens, count);
return true;
}
bool CoreArchitecture::Assemble(const string& code, uint64_t addr, DataBuffer& result, string& errors)
{
char* errorStr = nullptr;
bool ok = BNAssemble(m_arch, code.c_str(), addr, result.GetBufferObject(), &errorStr);
if (errorStr)
{
errors = errorStr;
BNFreeString(errorStr);
}
return ok;
}
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