HRESULT AddProbe()

in ProfilingAPI/ReJITEnterLeaveHooks/ILRewriter.cpp [725:752]

• 23 lines of code
• 3 McCabe index (conditional complexity)

HRESULT AddProbe(
    ILRewriter * pilr,
    FunctionID functionId,
    UINT_PTR methodAddress,
    ULONG32 methodSignature,
    ILInstr * pInsertProbeBeforeThisInstr)
{
    ILInstr * pNewInstr = nullptr;

    constexpr auto CEE_LDC_I = sizeof(size_t) == 8 ? CEE_LDC_I8 : sizeof(size_t) == 4 ? CEE_LDC_I4 : throw std::logic_error("size_t must be defined as 8 or 4");

    pNewInstr = pilr->NewILInstr();
    pNewInstr->m_opcode = CEE_LDC_I;
    pNewInstr->m_Arg64 = functionId;
    pilr->InsertBefore(pInsertProbeBeforeThisInstr, pNewInstr);

    pNewInstr = pilr->NewILInstr();
    pNewInstr->m_opcode = CEE_LDC_I;
    pNewInstr->m_Arg64 = methodAddress;
    pilr->InsertBefore(pInsertProbeBeforeThisInstr, pNewInstr);

    pNewInstr = pilr->NewILInstr();
    pNewInstr->m_opcode = CEE_CALLI;
    pNewInstr->m_Arg32 = methodSignature;
    pilr->InsertBefore(pInsertProbeBeforeThisInstr, pNewInstr);

    return S_OK;
}