Registers TwoOperandOperate::GetSrcRegs() const
{
Registers result = GetDstRegs();
if (srcRep.kind == BinaryUnion::Kind::Reg)
result.push_back(srcRep.u.reg);
return result;
}
Registers Call::GetDstRegs() const
{
Registers result;
// caller-save contains eax register which is also the result value register.
myTempList temps = Frame_callerSaveRegs();
while (temps)
result.push_back(temps->head),
temps = temps->tail;
return result;
}
Registers getRegisters(CIDebugRegisters *regs,
unsigned flags,
std::string *errorMessage)
{
enum { bufSize= 128 };
WCHAR buf[bufSize];
ULONG registerCount = 0;
HRESULT hr = regs->GetNumberRegisters(®isterCount);
if (FAILED(hr)) {
*errorMessage = msgDebugEngineComFailed("GetNumberRegisters", hr);
return Registers();
}
ULONG pseudoRegisterCount = 0;
if (flags & IncludePseudoRegisters) {
hr = regs->GetNumberPseudoRegisters(&pseudoRegisterCount);
if (FAILED(hr)) {
*errorMessage = msgDebugEngineComFailed("GetNumberPseudoRegisters", hr);
return Registers();
}
}
Registers rc;
rc.reserve(registerCount + pseudoRegisterCount);
// Standard registers
DEBUG_REGISTER_DESCRIPTION description;
DEBUG_VALUE value;
for (ULONG r = 0; r < registerCount; ++r) {
hr = regs->GetDescriptionWide(r, buf, bufSize, NULL, &description);
if (FAILED(hr)) {
*errorMessage = msgDebugEngineComFailed("GetDescription", hr);
return Registers();
}
hr = regs->GetValue(r, &value);
if (FAILED(hr)) {
*errorMessage = msgDebugEngineComFailed("GetValue", hr);
return Registers();
}
const bool isSubRegister = (description.Flags & DEBUG_REGISTER_SUB_REGISTER);
if (!isSubRegister || (flags & IncludeSubRegisters)) {
Register reg;
reg.name = buf;
reg.description = registerDescription(description);
reg.subRegister = isSubRegister;
reg.value = value;
rc.push_back(reg);
}
}
// Pseudo
for (ULONG r = 0; r < pseudoRegisterCount; ++r) {
ULONG type;
hr = regs->GetPseudoDescriptionWide(r, buf, bufSize, NULL, NULL, &type);
if (FAILED(hr))
continue; // Fails for some pseudo registers
hr = regs->GetValue(r, &value);
if (FAILED(hr))
continue; // Fails for some pseudo registers
Register reg;
reg.pseudoRegister = true;
reg.name = buf;
reg.description = valueType(type);
reg.value = value;
rc.push_back(reg);
}
return rc;
}
