#define LLVM_DEBUGINFO_DWARFDEBUGINFOENTRY_H
#include "DWARFAbbreviationDeclaration.h"
+#include "DWARFDebugRangeList.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/DataTypes.h"
/// Offset within the .debug_info of the start of this entry.
uint32_t Offset;
- /// How many to subtract from "this" to get the parent.
- /// If zero this die has no parent.
- uint32_t ParentIdx;
-
/// How many to add to "this" to get the sibling.
uint32_t SiblingIdx;
const DWARFAbbreviationDeclaration *AbbrevDecl;
public:
DWARFDebugInfoEntryMinimal()
- : Offset(0), ParentIdx(0), SiblingIdx(0), AbbrevDecl(0) {}
+ : Offset(0), SiblingIdx(0), AbbrevDecl(nullptr) {}
void dump(raw_ostream &OS, const DWARFUnit *u, unsigned recurseDepth,
unsigned indent = 0) const;
/// doesn't change OffsetPtr.
bool extractFast(const DWARFUnit *U, uint32_t *OffsetPtr);
- /// Extract a debug info entry for a given compile unit from the
- /// .debug_info and .debug_abbrev data starting at the given offset.
- /// If compile unit can't be parsed, returns false and doesn't change
- /// OffsetPtr.
- bool extract(const DWARFUnit *U, uint32_t *OffsetPtr);
-
uint32_t getTag() const { return AbbrevDecl ? AbbrevDecl->getTag() : 0; }
- bool isNULL() const { return AbbrevDecl == 0; }
+ bool isNULL() const { return AbbrevDecl == nullptr; }
/// Returns true if DIE represents a subprogram (not inlined).
bool isSubprogramDIE() const;
bool isSubroutineDIE() const;
uint32_t getOffset() const { return Offset; }
- uint32_t getNumAttributes() const {
- return !isNULL() ? AbbrevDecl->getNumAttributes() : 0;
- }
bool hasChildren() const { return !isNULL() && AbbrevDecl->hasChildren(); }
- // We know we are kept in a vector of contiguous entries, so we know
- // our parent will be some index behind "this".
- DWARFDebugInfoEntryMinimal *getParent() {
- return ParentIdx > 0 ? this - ParentIdx : 0;
- }
- const DWARFDebugInfoEntryMinimal *getParent() const {
- return ParentIdx > 0 ? this - ParentIdx : 0;
- }
// We know we are kept in a vector of contiguous entries, so we know
// our sibling will be some index after "this".
- DWARFDebugInfoEntryMinimal *getSibling() {
- return SiblingIdx > 0 ? this + SiblingIdx : 0;
- }
const DWARFDebugInfoEntryMinimal *getSibling() const {
- return SiblingIdx > 0 ? this + SiblingIdx : 0;
+ return SiblingIdx > 0 ? this + SiblingIdx : nullptr;
}
+
// We know we are kept in a vector of contiguous entries, so we know
// we don't need to store our child pointer, if we have a child it will
// be the next entry in the list...
- DWARFDebugInfoEntryMinimal *getFirstChild() {
- return hasChildren() ? this + 1 : 0;
- }
const DWARFDebugInfoEntryMinimal *getFirstChild() const {
- return hasChildren() ? this + 1 : 0;
+ return hasChildren() ? this + 1 : nullptr;
}
- void setParent(DWARFDebugInfoEntryMinimal *parent) {
- if (parent) {
- // We know we are kept in a vector of contiguous entries, so we know
- // our parent will be some index behind "this".
- ParentIdx = this - parent;
- } else
- ParentIdx = 0;
- }
- void setSibling(DWARFDebugInfoEntryMinimal *sibling) {
- if (sibling) {
+ void setSibling(const DWARFDebugInfoEntryMinimal *Sibling) {
+ if (Sibling) {
// We know we are kept in a vector of contiguous entries, so we know
// our sibling will be some index after "this".
- SiblingIdx = sibling - this;
- sibling->setParent(getParent());
+ SiblingIdx = Sibling - this;
} else
SiblingIdx = 0;
}
bool getLowAndHighPC(const DWARFUnit *U, uint64_t &LowPC,
uint64_t &HighPC) const;
- void buildAddressRangeTable(const DWARFUnit *U,
- DWARFDebugAranges *DebugAranges,
- uint32_t CUOffsetInAranges) const;
+ DWARFAddressRangesVector getAddressRanges(const DWARFUnit *U) const;
+
+ void collectChildrenAddressRanges(const DWARFUnit *U,
+ DWARFAddressRangesVector &Ranges) const;
bool addressRangeContainsAddress(const DWARFUnit *U,
const uint64_t Address) const;
/// (except the last DIE) in this chain is contained in address
/// range for next DIE in the chain.
struct DWARFDebugInfoEntryInlinedChain {
- DWARFDebugInfoEntryInlinedChain() : U(0) {}
+ DWARFDebugInfoEntryInlinedChain() : U(nullptr) {}
SmallVector<DWARFDebugInfoEntryMinimal, 4> DIEs;
const DWARFUnit *U;
};