/// An iterator to go through the expression operations.
class iterator
: public iterator_facade_base<iterator, std::forward_iterator_tag,
- Operation> {
+ const Operation> {
friend class DWARFExpression;
const DWARFExpression *Expr;
uint64_t Offset;
- mutable Operation Op;
+ Operation Op;
iterator(const DWARFExpression *Expr, uint64_t Offset)
: Expr(Expr), Offset(Offset) {
Op.Error =
return *this;
}
- class Operation &operator*() const {
- return Op;
- }
+ const Operation &operator*() const { return Op; }
iterator skipBytes(uint64_t Add) const {
return iterator(Expr, Op.EndOffset + Add);
SmallVector<PrintedExpr, 4> Stack;
while (I != E) {
- DWARFExpression::Operation &Op = *I;
+ const DWARFExpression::Operation &Op = *I;
uint8_t Opcode = Op.getCode();
switch (Opcode) {
case dwarf::DW_OP_regx: {
DataExtractor Data(toStringRef(Entry.Expr), DCtx.isLittleEndian(), 0);
DWARFExpression Expression(Data, U->getAddressByteSize(),
U->getFormParams().Format);
- bool Error = any_of(Expression, [](DWARFExpression::Operation &Op) {
- return Op.isError();
- });
+ bool Error =
+ any_of(Expression, [](const DWARFExpression::Operation &Op) {
+ return Op.isError();
+ });
if (Error || !Expression.verify(U))
ReportError("DIE contains invalid DWARF expression:");
}
U->getAddressByteSize());
DWARFExpression Expression(Data, U->getAddressByteSize(),
U->getFormParams().Format);
- bool IsInteresting = any_of(Expression, [](DWARFExpression::Operation &Op) {
- return !Op.isError() && (Op.getCode() == DW_OP_addr ||
- Op.getCode() == DW_OP_form_tls_address ||
- Op.getCode() == DW_OP_GNU_push_tls_address);
- });
+ bool IsInteresting =
+ any_of(Expression, [](const DWARFExpression::Operation &Op) {
+ return !Op.isError() && (Op.getCode() == DW_OP_addr ||
+ Op.getCode() == DW_OP_form_tls_address ||
+ Op.getCode() == DW_OP_GNU_push_tls_address);
+ });
if (IsInteresting)
return true;
}
U->getFormParams().Format);
// Consider the expression containing the DW_OP_entry_value as
// an entry value.
- return llvm::any_of(Expression, [](DWARFExpression::Operation &Op) {
+ return llvm::any_of(Expression, [](const DWARFExpression::Operation &Op) {
return Op.getCode() == dwarf::DW_OP_entry_value ||
Op.getCode() == dwarf::DW_OP_GNU_entry_value;
});