mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-26 21:32:10 +00:00
llvm-vtabledump: Handle Itanium VTables
Add support in the vtable dumper for the Itanium ABI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221133 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer
parent
9808f11b09
commit
5dc81d5a76
@ -1,50 +1,58 @@
|
||||
RUN: llvm-vtabledump %p/Inputs/trivial.obj.coff-i386 \
|
||||
RUN: | FileCheck %s
|
||||
RUN: | FileCheck %s --check-prefix=COFF-I386
|
||||
|
||||
CHECK: ??_7S@@6B@[0]: ??_R4S@@6B@
|
||||
CHECK-NEXT: ??_7S@@6B@[4]: ??_GS@@UAEPAXI@Z
|
||||
CHECK-NEXT: ??_8S@@7B@[0]: -4
|
||||
CHECK-NEXT: ??_8S@@7B@[4]: 4
|
||||
CHECK-NEXT: ??_R4S@@6B@[IsImageRelative]: 0
|
||||
CHECK-NEXT: ??_R4S@@6B@[OffsetToTop]: 0
|
||||
CHECK-NEXT: ??_R4S@@6B@[VFPtrOffset]: 0
|
||||
CHECK-NEXT: ??_R4S@@6B@[TypeDescriptor]: ??_R0?AUS@@@8
|
||||
CHECK-NEXT: ??_R4S@@6B@[ClassHierarchyDescriptor]: ??_R3S@@8
|
||||
CHECK-NEXT: ??_R3A@@8[AlwaysZero]: 0
|
||||
CHECK-NEXT: ??_R3A@@8[Flags]: 0
|
||||
CHECK-NEXT: ??_R3A@@8[NumClasses]: 1
|
||||
CHECK-NEXT: ??_R3A@@8[BaseClassArray]: ??_R2A@@8
|
||||
CHECK-NEXT: ??_R3S@@8[AlwaysZero]: 0
|
||||
CHECK-NEXT: ??_R3S@@8[Flags]: 0
|
||||
CHECK-NEXT: ??_R3S@@8[NumClasses]: 2
|
||||
CHECK-NEXT: ??_R3S@@8[BaseClassArray]: ??_R2S@@8
|
||||
CHECK-NEXT: ??_R2A@@8[0]: ??_R1A@?0A@EA@A@@8
|
||||
CHECK-NEXT: ??_R2S@@8[0]: ??_R1A@?0A@EA@S@@8
|
||||
CHECK-NEXT: ??_R2S@@8[4]: ??_R1A@33FA@A@@8
|
||||
CHECK-NEXT: ??_R1A@33FA@A@@8[TypeDescriptor]: ??_R0?AUA@@@8
|
||||
CHECK-NEXT: ??_R1A@33FA@A@@8[NumBases]: 0
|
||||
CHECK-NEXT: ??_R1A@33FA@A@@8[OffsetInVBase]: 0
|
||||
CHECK-NEXT: ??_R1A@33FA@A@@8[VBPtrOffset]: 4
|
||||
CHECK-NEXT: ??_R1A@33FA@A@@8[OffsetInVBTable]: 4
|
||||
CHECK-NEXT: ??_R1A@33FA@A@@8[Flags]: 80
|
||||
CHECK-NEXT: ??_R1A@33FA@A@@8[ClassHierarchyDescriptor]: ??_R3A@@8
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@A@@8[TypeDescriptor]: ??_R0?AUA@@@8
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@A@@8[NumBases]: 0
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@A@@8[OffsetInVBase]: 0
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@A@@8[VBPtrOffset]: -1
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@A@@8[OffsetInVBTable]: 0
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@A@@8[Flags]: 64
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@A@@8[ClassHierarchyDescriptor]: ??_R3A@@8
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@S@@8[TypeDescriptor]: ??_R0?AUS@@@8
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@S@@8[NumBases]: 1
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@S@@8[OffsetInVBase]: 0
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@S@@8[VBPtrOffset]: -1
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@S@@8[OffsetInVBTable]: 0
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@S@@8[Flags]: 64
|
||||
CHECK-NEXT: ??_R1A@?0A@EA@S@@8[ClassHierarchyDescriptor]: ??_R3S@@8
|
||||
CHECK-NEXT: ??_R0?AUA@@@8[VFPtr]: ??_7type_info@@6B@
|
||||
CHECK-NEXT: ??_R0?AUA@@@8[AlwaysZero]: 0
|
||||
CHECK-NEXT: ??_R0?AUA@@@8[MangledName]: .?AUA@@
|
||||
CHECK-NEXT: ??_R0?AUS@@@8[VFPtr]: ??_7type_info@@6B@
|
||||
CHECK-NEXT: ??_R0?AUS@@@8[AlwaysZero]: 0
|
||||
CHECK-NEXT: ??_R0?AUS@@@8[MangledName]: .?AUS@@
|
||||
RUN: llvm-vtabledump %p/Inputs/trivial.obj.elf-i386 \
|
||||
RUN: | FileCheck %s --check-prefix=ELF-I386
|
||||
|
||||
COFF-I386: ??_7S@@6B@[0]: ??_R4S@@6B@
|
||||
COFF-I386-NEXT: ??_7S@@6B@[4]: ??_GS@@UAEPAXI@Z
|
||||
COFF-I386-NEXT: ??_8S@@7B@[0]: -4
|
||||
COFF-I386-NEXT: ??_8S@@7B@[4]: 4
|
||||
COFF-I386-NEXT: ??_R4S@@6B@[IsImageRelative]: 0
|
||||
COFF-I386-NEXT: ??_R4S@@6B@[OffsetToTop]: 0
|
||||
COFF-I386-NEXT: ??_R4S@@6B@[VFPtrOffset]: 0
|
||||
COFF-I386-NEXT: ??_R4S@@6B@[TypeDescriptor]: ??_R0?AUS@@@8
|
||||
COFF-I386-NEXT: ??_R4S@@6B@[ClassHierarchyDescriptor]: ??_R3S@@8
|
||||
COFF-I386-NEXT: ??_R3A@@8[AlwaysZero]: 0
|
||||
COFF-I386-NEXT: ??_R3A@@8[Flags]: 0
|
||||
COFF-I386-NEXT: ??_R3A@@8[NumClasses]: 1
|
||||
COFF-I386-NEXT: ??_R3A@@8[BaseClassArray]: ??_R2A@@8
|
||||
COFF-I386-NEXT: ??_R3S@@8[AlwaysZero]: 0
|
||||
COFF-I386-NEXT: ??_R3S@@8[Flags]: 0
|
||||
COFF-I386-NEXT: ??_R3S@@8[NumClasses]: 2
|
||||
COFF-I386-NEXT: ??_R3S@@8[BaseClassArray]: ??_R2S@@8
|
||||
COFF-I386-NEXT: ??_R2A@@8[0]: ??_R1A@?0A@EA@A@@8
|
||||
COFF-I386-NEXT: ??_R2S@@8[0]: ??_R1A@?0A@EA@S@@8
|
||||
COFF-I386-NEXT: ??_R2S@@8[4]: ??_R1A@33FA@A@@8
|
||||
COFF-I386-NEXT: ??_R1A@33FA@A@@8[TypeDescriptor]: ??_R0?AUA@@@8
|
||||
COFF-I386-NEXT: ??_R1A@33FA@A@@8[NumBases]: 0
|
||||
COFF-I386-NEXT: ??_R1A@33FA@A@@8[OffsetInVBase]: 0
|
||||
COFF-I386-NEXT: ??_R1A@33FA@A@@8[VBPtrOffset]: 4
|
||||
COFF-I386-NEXT: ??_R1A@33FA@A@@8[OffsetInVBTable]: 4
|
||||
COFF-I386-NEXT: ??_R1A@33FA@A@@8[Flags]: 80
|
||||
COFF-I386-NEXT: ??_R1A@33FA@A@@8[ClassHierarchyDescriptor]: ??_R3A@@8
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@A@@8[TypeDescriptor]: ??_R0?AUA@@@8
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@A@@8[NumBases]: 0
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@A@@8[OffsetInVBase]: 0
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@A@@8[VBPtrOffset]: -1
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@A@@8[OffsetInVBTable]: 0
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@A@@8[Flags]: 64
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@A@@8[ClassHierarchyDescriptor]: ??_R3A@@8
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@S@@8[TypeDescriptor]: ??_R0?AUS@@@8
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@S@@8[NumBases]: 1
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@S@@8[OffsetInVBase]: 0
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@S@@8[VBPtrOffset]: -1
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@S@@8[OffsetInVBTable]: 0
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@S@@8[Flags]: 64
|
||||
COFF-I386-NEXT: ??_R1A@?0A@EA@S@@8[ClassHierarchyDescriptor]: ??_R3S@@8
|
||||
COFF-I386-NEXT: ??_R0?AUA@@@8[VFPtr]: ??_7type_info@@6B@
|
||||
COFF-I386-NEXT: ??_R0?AUA@@@8[AlwaysZero]: 0
|
||||
COFF-I386-NEXT: ??_R0?AUA@@@8[MangledName]: .?AUA@@
|
||||
COFF-I386-NEXT: ??_R0?AUS@@@8[VFPtr]: ??_7type_info@@6B@
|
||||
COFF-I386-NEXT: ??_R0?AUS@@@8[AlwaysZero]: 0
|
||||
COFF-I386-NEXT: ??_R0?AUS@@@8[MangledName]: .?AUS@@
|
||||
|
||||
ELF-I386: _ZTS1A: 1A
|
||||
ELF-I386-NEXT: _ZTV1A[0]: 0
|
||||
ELF-I386-NEXT: _ZTV1A[4]: _ZTI1A
|
||||
ELF-I386-NEXT: _ZTV1A[8]: _ZN1A1fEv
|
||||
|
||||
@ -68,38 +68,69 @@ static void reportError(StringRef Input, std::error_code EC) {
|
||||
reportError(Input, EC.message());
|
||||
}
|
||||
|
||||
static SmallVectorImpl<SectionRef> &getRelocSections(const ObjectFile *Obj,
|
||||
const SectionRef &Sec) {
|
||||
static bool MappingDone = false;
|
||||
static std::map<SectionRef, SmallVector<SectionRef, 1>> SectionRelocMap;
|
||||
if (!MappingDone) {
|
||||
for (const SectionRef &Section : Obj->sections()) {
|
||||
section_iterator Sec2 = Section.getRelocatedSection();
|
||||
if (Sec2 != Obj->section_end())
|
||||
SectionRelocMap[*Sec2].push_back(Section);
|
||||
}
|
||||
MappingDone = true;
|
||||
}
|
||||
return SectionRelocMap[Sec];
|
||||
}
|
||||
|
||||
static bool collectRelocatedSymbols(const ObjectFile *Obj,
|
||||
object::section_iterator SecI, StringRef *I,
|
||||
StringRef *E) {
|
||||
for (const object::RelocationRef &Reloc : SecI->relocations()) {
|
||||
if (I == E)
|
||||
break;
|
||||
const object::symbol_iterator RelocSymI = Reloc.getSymbol();
|
||||
if (RelocSymI == Obj->symbol_end())
|
||||
continue;
|
||||
StringRef RelocSymName;
|
||||
if (error(RelocSymI->getName(RelocSymName)))
|
||||
return true;
|
||||
*I = RelocSymName;
|
||||
++I;
|
||||
const SectionRef &Sec, uint64_t SecAddress,
|
||||
uint64_t SymAddress, uint64_t SymSize,
|
||||
StringRef *I, StringRef *E) {
|
||||
uint64_t SymOffset = SymAddress - SecAddress;
|
||||
uint64_t SymEnd = SymOffset + SymSize;
|
||||
for (const SectionRef &SR : getRelocSections(Obj, Sec)) {
|
||||
for (const object::RelocationRef &Reloc : SR.relocations()) {
|
||||
if (I == E)
|
||||
break;
|
||||
const object::symbol_iterator RelocSymI = Reloc.getSymbol();
|
||||
if (RelocSymI == Obj->symbol_end())
|
||||
continue;
|
||||
StringRef RelocSymName;
|
||||
if (error(RelocSymI->getName(RelocSymName)))
|
||||
return true;
|
||||
uint64_t Offset;
|
||||
if (error(Reloc.getOffset(Offset)))
|
||||
return true;
|
||||
if (Offset >= SymOffset && Offset < SymEnd) {
|
||||
*I = RelocSymName;
|
||||
++I;
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool collectRelocationOffsets(
|
||||
const ObjectFile *Obj, object::section_iterator SecI, StringRef SymName,
|
||||
const ObjectFile *Obj, const SectionRef &Sec, uint64_t SecAddress,
|
||||
uint64_t SymAddress, uint64_t SymSize, StringRef SymName,
|
||||
std::map<std::pair<StringRef, uint64_t>, StringRef> &Collection) {
|
||||
for (const object::RelocationRef &Reloc : SecI->relocations()) {
|
||||
const object::symbol_iterator RelocSymI = Reloc.getSymbol();
|
||||
if (RelocSymI == Obj->symbol_end())
|
||||
continue;
|
||||
StringRef RelocSymName;
|
||||
if (error(RelocSymI->getName(RelocSymName)))
|
||||
return true;
|
||||
uint64_t Offset;
|
||||
if (error(Reloc.getOffset(Offset)))
|
||||
return true;
|
||||
Collection[std::make_pair(SymName, Offset)] = RelocSymName;
|
||||
uint64_t SymOffset = SymAddress - SecAddress;
|
||||
uint64_t SymEnd = SymOffset + SymSize;
|
||||
for (const SectionRef &SR : getRelocSections(Obj, Sec)) {
|
||||
for (const object::RelocationRef &Reloc : SR.relocations()) {
|
||||
const object::symbol_iterator RelocSymI = Reloc.getSymbol();
|
||||
if (RelocSymI == Obj->symbol_end())
|
||||
continue;
|
||||
StringRef RelocSymName;
|
||||
if (error(RelocSymI->getName(RelocSymName)))
|
||||
return true;
|
||||
uint64_t Offset;
|
||||
if (error(Reloc.getOffset(Offset)))
|
||||
return true;
|
||||
if (Offset >= SymOffset && Offset < SymEnd)
|
||||
Collection[std::make_pair(SymName, Offset - SymOffset)] = RelocSymName;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
@ -129,6 +160,14 @@ static void dumpVTables(const ObjectFile *Obj) {
|
||||
std::map<std::pair<StringRef, uint64_t>, StringRef> BCAEntries;
|
||||
std::map<StringRef, BaseClassDescriptor> BCDs;
|
||||
std::map<StringRef, TypeDescriptor> TDs;
|
||||
|
||||
std::map<std::pair<StringRef, uint64_t>, StringRef> VTableSymEntries;
|
||||
std::map<std::pair<StringRef, uint64_t>, int64_t> VTableDataEntries;
|
||||
std::map<std::pair<StringRef, uint64_t>, StringRef> VTTEntries;
|
||||
std::map<StringRef, StringRef> TINames;
|
||||
|
||||
uint8_t BytesInAddress = Obj->getBytesInAddress();
|
||||
|
||||
for (const object::SymbolRef &Sym : Obj->symbols()) {
|
||||
StringRef SymName;
|
||||
if (error(Sym.getName(SymName)))
|
||||
@ -139,37 +178,46 @@ static void dumpVTables(const ObjectFile *Obj) {
|
||||
// Skip external symbols.
|
||||
if (SecI == Obj->section_end())
|
||||
continue;
|
||||
bool IsBSS = SecI->isBSS();
|
||||
bool IsVirtual = SecI->isVirtual();
|
||||
const SectionRef &Sec = *SecI;
|
||||
// Skip virtual or BSS sections.
|
||||
if (IsBSS || IsVirtual)
|
||||
if (Sec.isBSS() || Sec.isVirtual())
|
||||
continue;
|
||||
StringRef SecContents;
|
||||
if (error(SecI->getContents(SecContents)))
|
||||
if (error(Sec.getContents(SecContents)))
|
||||
return;
|
||||
uint64_t SymAddress, SymSize;
|
||||
if (error(Sym.getAddress(SymAddress)) || error(Sym.getSize(SymSize)))
|
||||
return;
|
||||
uint64_t SecAddress = Sec.getAddress();
|
||||
uint64_t SecSize = Sec.getSize();
|
||||
uint64_t SymOffset = SymAddress - SecAddress;
|
||||
StringRef SymContents = SecContents.substr(SymOffset, SymSize);
|
||||
|
||||
// VFTables in the MS-ABI start with '??_7' and are contained within their
|
||||
// own COMDAT section. We then determine the contents of the VFTable by
|
||||
// looking at each relocation in the section.
|
||||
if (SymName.startswith("??_7")) {
|
||||
// Each relocation either names a virtual method or a thunk. We note the
|
||||
// offset into the section and the symbol used for the relocation.
|
||||
collectRelocationOffsets(Obj, SecI, SymName, VFTableEntries);
|
||||
collectRelocationOffsets(Obj, Sec, SecAddress, SecAddress, SecSize,
|
||||
SymName, VFTableEntries);
|
||||
}
|
||||
// VBTables in the MS-ABI start with '??_8' and are filled with 32-bit
|
||||
// offsets of virtual bases.
|
||||
else if (SymName.startswith("??_8")) {
|
||||
ArrayRef<little32_t> VBTableData(
|
||||
reinterpret_cast<const little32_t *>(SecContents.data()),
|
||||
SecContents.size() / sizeof(little32_t));
|
||||
reinterpret_cast<const little32_t *>(SymContents.data()),
|
||||
SymContents.size() / sizeof(little32_t));
|
||||
VBTables[SymName] = VBTableData;
|
||||
}
|
||||
// Complete object locators in the MS-ABI start with '??_R4'
|
||||
else if (SymName.startswith("??_R4")) {
|
||||
CompleteObjectLocator COL;
|
||||
COL.Data = ArrayRef<little32_t>(
|
||||
reinterpret_cast<const little32_t *>(SecContents.data()), 3);
|
||||
reinterpret_cast<const little32_t *>(SymContents.data()), 3);
|
||||
StringRef *I = std::begin(COL.Symbols), *E = std::end(COL.Symbols);
|
||||
if (collectRelocatedSymbols(Obj, SecI, I, E))
|
||||
if (collectRelocatedSymbols(Obj, Sec, SecAddress, SymAddress, SymSize, I,
|
||||
E))
|
||||
return;
|
||||
COLs[SymName] = COL;
|
||||
}
|
||||
@ -177,9 +225,10 @@ static void dumpVTables(const ObjectFile *Obj) {
|
||||
else if (SymName.startswith("??_R3")) {
|
||||
ClassHierarchyDescriptor CHD;
|
||||
CHD.Data = ArrayRef<little32_t>(
|
||||
reinterpret_cast<const little32_t *>(SecContents.data()), 3);
|
||||
reinterpret_cast<const little32_t *>(SymContents.data()), 3);
|
||||
StringRef *I = std::begin(CHD.Symbols), *E = std::end(CHD.Symbols);
|
||||
if (collectRelocatedSymbols(Obj, SecI, I, E))
|
||||
if (collectRelocatedSymbols(Obj, Sec, SecAddress, SymAddress, SymSize, I,
|
||||
E))
|
||||
return;
|
||||
CHDs[SymName] = CHD;
|
||||
}
|
||||
@ -187,35 +236,65 @@ static void dumpVTables(const ObjectFile *Obj) {
|
||||
else if (SymName.startswith("??_R2")) {
|
||||
// Each relocation names a base class descriptor. We note the offset into
|
||||
// the section and the symbol used for the relocation.
|
||||
collectRelocationOffsets(Obj, SecI, SymName, BCAEntries);
|
||||
collectRelocationOffsets(Obj, Sec, SecAddress, SymAddress, SymSize,
|
||||
SymName, BCAEntries);
|
||||
}
|
||||
// Base class descriptors in the MS-ABI start with '??_R1'
|
||||
else if (SymName.startswith("??_R1")) {
|
||||
BaseClassDescriptor BCD;
|
||||
BCD.Data = ArrayRef<little32_t>(
|
||||
reinterpret_cast<const little32_t *>(SecContents.data()) + 1,
|
||||
5);
|
||||
reinterpret_cast<const little32_t *>(SymContents.data()) + 1, 5);
|
||||
StringRef *I = std::begin(BCD.Symbols), *E = std::end(BCD.Symbols);
|
||||
if (collectRelocatedSymbols(Obj, SecI, I, E))
|
||||
if (collectRelocatedSymbols(Obj, Sec, SecAddress, SymAddress, SymSize, I,
|
||||
E))
|
||||
return;
|
||||
BCDs[SymName] = BCD;
|
||||
}
|
||||
// Type descriptors in the MS-ABI start with '??_R0'
|
||||
else if (SymName.startswith("??_R0")) {
|
||||
uint8_t BytesInAddress = Obj->getBytesInAddress();
|
||||
const char *DataPtr =
|
||||
SecContents.drop_front(Obj->getBytesInAddress()).data();
|
||||
const char *DataPtr = SymContents.drop_front(BytesInAddress).data();
|
||||
TypeDescriptor TD;
|
||||
if (BytesInAddress == 8)
|
||||
TD.AlwaysZero = *reinterpret_cast<const little64_t *>(DataPtr);
|
||||
else
|
||||
TD.AlwaysZero = *reinterpret_cast<const little32_t *>(DataPtr);
|
||||
TD.MangledName = SecContents.drop_front(Obj->getBytesInAddress() * 2);
|
||||
TD.MangledName = SymContents.drop_front(BytesInAddress * 2);
|
||||
StringRef *I = std::begin(TD.Symbols), *E = std::end(TD.Symbols);
|
||||
if (collectRelocatedSymbols(Obj, SecI, I, E))
|
||||
if (collectRelocatedSymbols(Obj, Sec, SecAddress, SymAddress, SymSize, I,
|
||||
E))
|
||||
return;
|
||||
TDs[SymName] = TD;
|
||||
}
|
||||
// Construction vtables in the Itanium ABI start with '_ZTT' or '__ZTT'.
|
||||
else if (SymName.startswith("_ZTT") || SymName.startswith("__ZTT")) {
|
||||
collectRelocationOffsets(Obj, Sec, SecAddress, SymAddress, SymSize,
|
||||
SymName, VTTEntries);
|
||||
}
|
||||
// Typeinfo names in the Itanium ABI start with '_ZTS' or '__ZTS'.
|
||||
else if (SymName.startswith("_ZTS") || SymName.startswith("__ZTS")) {
|
||||
TINames[SymName] = SymContents.slice(0, SymContents.find('\0'));
|
||||
}
|
||||
// Vtables in the Itanium ABI start with '_ZTV' or '__ZTV'.
|
||||
else if (SymName.startswith("_ZTV") || SymName.startswith("__ZTV")) {
|
||||
collectRelocationOffsets(Obj, Sec, SecAddress, SymAddress, SymSize,
|
||||
SymName, VTableSymEntries);
|
||||
for (uint64_t SymOffI = 0; SymOffI < SymSize; SymOffI += BytesInAddress) {
|
||||
auto Key = std::make_pair(SymName, SymOffI);
|
||||
if (VTableSymEntries.count(Key))
|
||||
continue;
|
||||
const char *DataPtr = SymContents.substr(SymOffI, BytesInAddress).data();
|
||||
int64_t VData;
|
||||
if (BytesInAddress == 8)
|
||||
VData = *reinterpret_cast<const little64_t *>(DataPtr);
|
||||
else
|
||||
VData = *reinterpret_cast<const little32_t *>(DataPtr);
|
||||
VTableDataEntries[Key] = VData;
|
||||
}
|
||||
}
|
||||
// Typeinfo structures in the Itanium ABI start with '_ZTI' or '__ZTI'.
|
||||
else if (SymName.startswith("_ZTI") || SymName.startswith("__ZTI")) {
|
||||
// FIXME: Do something with these!
|
||||
}
|
||||
}
|
||||
for (const std::pair<std::pair<StringRef, uint64_t>, StringRef> &VFTableEntry :
|
||||
VFTableEntries) {
|
||||
@ -224,8 +303,7 @@ static void dumpVTables(const ObjectFile *Obj) {
|
||||
StringRef SymName = VFTableEntry.second;
|
||||
outs() << VFTableName << '[' << Offset << "]: " << SymName << '\n';
|
||||
}
|
||||
for (const std::pair<StringRef, ArrayRef<little32_t>> &VBTable :
|
||||
VBTables) {
|
||||
for (const std::pair<StringRef, ArrayRef<little32_t>> &VBTable : VBTables) {
|
||||
StringRef VBTableName = VBTable.first;
|
||||
uint32_t Idx = 0;
|
||||
for (little32_t Offset : VBTable.second) {
|
||||
@ -278,6 +356,47 @@ static void dumpVTables(const ObjectFile *Obj) {
|
||||
/*UseHexEscapes=*/true)
|
||||
<< '\n';
|
||||
}
|
||||
for (const std::pair<std::pair<StringRef, uint64_t>, StringRef> &VTTPair :
|
||||
VTTEntries) {
|
||||
StringRef VTTName = VTTPair.first.first;
|
||||
uint64_t VTTOffset = VTTPair.first.second;
|
||||
StringRef VTTEntry = VTTPair.second;
|
||||
outs() << VTTName << '[' << VTTOffset << "]: " << VTTEntry << '\n';
|
||||
}
|
||||
for (const std::pair<StringRef, StringRef> &TIPair : TINames) {
|
||||
StringRef TIName = TIPair.first;
|
||||
outs() << TIName << ": " << TIPair.second << '\n';
|
||||
}
|
||||
auto VTableSymI = VTableSymEntries.begin();
|
||||
auto VTableSymE = VTableSymEntries.end();
|
||||
auto VTableDataI = VTableDataEntries.begin();
|
||||
auto VTableDataE = VTableDataEntries.end();
|
||||
for (;;) {
|
||||
bool SymDone = VTableSymI == VTableSymE;
|
||||
bool DataDone = VTableDataI == VTableDataE;
|
||||
if (SymDone && DataDone)
|
||||
break;
|
||||
if (!SymDone && (DataDone || VTableSymI->first < VTableDataI->first)) {
|
||||
StringRef VTableName = VTableSymI->first.first;
|
||||
uint64_t Offset = VTableSymI->first.second;
|
||||
StringRef VTableEntry = VTableSymI->second;
|
||||
outs() << VTableName << '[' << Offset << "]: ";
|
||||
outs() << VTableEntry;
|
||||
outs() << '\n';
|
||||
++VTableSymI;
|
||||
continue;
|
||||
}
|
||||
if (!DataDone && (SymDone || VTableDataI->first < VTableSymI->first)) {
|
||||
StringRef VTableName = VTableDataI->first.first;
|
||||
uint64_t Offset = VTableDataI->first.second;
|
||||
int64_t VTableEntry = VTableDataI->second;
|
||||
outs() << VTableName << '[' << Offset << "]: ";
|
||||
outs() << VTableEntry;
|
||||
outs() << '\n';
|
||||
++VTableDataI;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void dumpArchive(const Archive *Arc) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user