Ejemplos de const_arg_iterator::hasByValOrInAllocaAttr en C++ (Cpp)

Ejemplo n.º 1

Archivo: Mangler.cpp Proyecto: 0xDEC0DE8/mcsema

/// AddFastCallStdCallSuffix - Microsoft fastcall and stdcall functions require
/// a suffix on their name indicating the number of words of arguments they
/// take.
static void AddFastCallStdCallSuffix(raw_ostream &OS, const Function *F,
                                     const DataLayout &TD) {
  // Calculate arguments size total.
  unsigned ArgWords = 0;
  for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
       AI != AE; ++AI) {
    Type *Ty = AI->getType();
    // 'Dereference' type in case of byval or inalloca parameter attribute.
    if (AI->hasByValOrInAllocaAttr())
      Ty = cast<PointerType>(Ty)->getElementType();
    // Size should be aligned to DWORD boundary
    ArgWords += ((TD.getTypeAllocSize(Ty) + 3)/4)*4;
  }

  OS << '@' << ArgWords;
}

Ejemplo n.º 2

Archivo: Mangler.cpp Proyecto: 0x00evil/llvm

/// Microsoft fastcall and stdcall functions require a suffix on their name
/// indicating the number of words of arguments they take.
static void addByteCountSuffix(raw_ostream &OS, const Function *F,
                               const DataLayout &DL) {
  // Calculate arguments size total.
  unsigned ArgWords = 0;
  for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
       AI != AE; ++AI) {
    Type *Ty = AI->getType();
    // 'Dereference' type in case of byval or inalloca parameter attribute.
    if (AI->hasByValOrInAllocaAttr())
      Ty = cast<PointerType>(Ty)->getElementType();
    // Size should be aligned to pointer size.
    unsigned PtrSize = DL.getPointerSize();
    ArgWords += RoundUpToAlignment(DL.getTypeAllocSize(Ty), PtrSize);
  }

  OS << '@' << ArgWords;
}