uint32_t
TR::S390CallSnippet::getLength(int32_t estimatedSnippetStart)
{
// *this swipeable for debugger
// length = instructionCountForArgsInBytes + (BASR + L(or LG) + BASR +3*sizeof(uintptrj_t)) + NOPs
// number of pad bytes has not been set when this method is called to
// estimate codebuffer size, so -- i'll put an conservative number here...
return (instructionCountForArguments(getNode(), cg()) +
getPICBinaryLength(cg()) +
3 * sizeof(uintptrj_t) +
getRuntimeInstrumentationOnOffInstructionLength(cg()) +
sizeof(uintptrj_t)); // the last item is for padding
}
uint32_t
TR::S390HelperCallSnippet::getLength(int32_t)
{
uint32_t length;
TR::SymbolReference * helperSymRef = getHelperSymRef();
// LARL + BRASL/BRCL
length = 12;
if (helperSymRef == cg()->symRefTab()->element(TR_induceOSRAtCurrentPC))
{
length += TR::S390CallSnippet::instructionCountForArguments(getNode(), cg());
}
length += getLoadVMThreadInstructionLength(cg());
length += getRuntimeInstrumentationOnOffInstructionLength(cg());
return length;
}
