IntOperand* TernaryOp<Operator::DATA_SEGMENT_ALIGN>::eval(
const Module& pModule,
const TargetLDBackend& pBackend) {
/* This is equivalent to either
(ALIGN(maxpagesize) + (. & (maxpagesize - 1)))
or
(ALIGN(maxpagesize) + (. & (maxpagesize - commonpagesize)))
*/
IntOperand* res = result();
uint64_t dot = m_pOperand[0]->value();
uint64_t maxPageSize = m_pOperand[1]->value();
uint64_t commonPageSize = m_pOperand[2]->value();
uint64_t form1 = 0, form2 = 0;
alignAddress(dot, maxPageSize);
form1 = dot + (dot & (maxPageSize - 1));
form2 = dot + (dot & (maxPageSize - commonPageSize));
if (form1 <= form2)
res->setValue(form1);
else
res->setValue(form2);
return res;
}
IntOperand* UnaryOp<Operator::BITWISE_NOT>::eval(
const Module& pModule,
const TargetLDBackend& pBackend) {
IntOperand* res = result();
res->setValue(~m_pOperand->value());
return res;
}
IntOperand* UnaryOp<Operator::UNARY_MINUS>::eval(
const Module& pModule,
const TargetLDBackend& pBackend) {
IntOperand* res = result();
res->setValue(-m_pOperand->value());
return res;
}
IntOperand* UnaryOp<Operator::DATA_SEGMENT_END>::eval(
const Module& pModule,
const TargetLDBackend& pBackend) {
IntOperand* res = result();
res->setValue(m_pOperand->value());
return res;
}
IntOperand* TernaryOp<Operator::TERNARY_IF>::eval(
const Module& pModule,
const TargetLDBackend& pBackend) {
IntOperand* res = result();
if (m_pOperand[0]->value())
res->setValue(m_pOperand[1]->value());
else
res->setValue(m_pOperand[2]->value());
return res;
}
IntOperand* UnaryOp<Operator::ALIGNOF>::eval(const Module& pModule,
const TargetLDBackend& pBackend) {
IntOperand* res = result();
const LDSection* sect = NULL;
switch (m_pOperand->type()) {
case Operand::SECTION:
sect = pModule.getSection(llvm::cast<SectOperand>(m_pOperand)->name());
break;
case Operand::SECTION_DESC:
sect =
llvm::cast<SectDescOperand>(m_pOperand)->outputDesc()->getSection();
break;
default:
assert(0);
break;
}
assert(sect != NULL);
res->setValue(sect->align());
return res;
}
