本文整理汇总了C++中COFFSymbolRef::isUndefined方法的典型用法代码示例。如果您正苦于以下问题：C++ COFFSymbolRef::isUndefined方法的具体用法？C++ COFFSymbolRef::isUndefined怎么用？C++ COFFSymbolRef::isUndefined使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类COFFSymbolRef的用法示例。
在下文中一共展示了COFFSymbolRef::isUndefined方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: initializeSymbols
void ObjectFile::initializeSymbols() {
uint32_t NumSymbols = COFFObj->getNumberOfSymbols();
SymbolBodies.reserve(NumSymbols);
SparseSymbolBodies.resize(NumSymbols);
llvm::SmallVector<std::pair<Undefined *, uint32_t>, 8> WeakAliases;
int32_t LastSectionNumber = 0;
for (uint32_t I = 0; I < NumSymbols; ++I) {
// Get a COFFSymbolRef object.
auto SymOrErr = COFFObj->getSymbol(I);
error(SymOrErr, Twine("broken object file: ") + getName());
COFFSymbolRef Sym = *SymOrErr;
const void *AuxP = nullptr;
if (Sym.getNumberOfAuxSymbols())
AuxP = COFFObj->getSymbol(I + 1)->getRawPtr();
bool IsFirst = (LastSectionNumber != Sym.getSectionNumber());
SymbolBody *Body = nullptr;
if (Sym.isUndefined()) {
Body = createUndefined(Sym);
} else if (Sym.isWeakExternal()) {
Body = createUndefined(Sym);
uint32_t TagIndex =
static_cast<const coff_aux_weak_external *>(AuxP)->TagIndex;
WeakAliases.emplace_back((Undefined *)Body, TagIndex);
} else {
Body = createDefined(Sym, AuxP, IsFirst);
}
if (Body) {
SymbolBodies.push_back(Body);
SparseSymbolBodies[I] = Body;
}
I += Sym.getNumberOfAuxSymbols();
LastSectionNumber = Sym.getSectionNumber();
}
for (auto WeakAlias : WeakAliases)
WeakAlias.first->WeakAlias = SparseSymbolBodies[WeakAlias.second];
}示例2: initializeSymbols
void ObjectFile::initializeSymbols() {
uint32_t NumSymbols = COFFObj->getNumberOfSymbols();
SymbolBodies.reserve(NumSymbols);
SparseSymbolBodies.resize(NumSymbols);
llvm::SmallVector<Undefined *, 8> WeakAliases;
int32_t LastSectionNumber = 0;
for (uint32_t I = 0; I < NumSymbols; ++I) {
// Get a COFFSymbolRef object.
auto SymOrErr = COFFObj->getSymbol(I);
error(SymOrErr, Twine("broken object file: ") + getName());
COFFSymbolRef Sym = *SymOrErr;
const void *AuxP = nullptr;
if (Sym.getNumberOfAuxSymbols())
AuxP = COFFObj->getSymbol(I + 1)->getRawPtr();
bool IsFirst = (LastSectionNumber != Sym.getSectionNumber());
SymbolBody *Body = nullptr;
if (Sym.isUndefined()) {
Body = createUndefined(Sym);
} else if (Sym.isWeakExternal()) {
Body = createWeakExternal(Sym, AuxP);
WeakAliases.push_back((Undefined *)Body);
} else {
Body = createDefined(Sym, AuxP, IsFirst);
}
if (Body) {
SymbolBodies.push_back(Body);
SparseSymbolBodies[I] = Body;
}
I += Sym.getNumberOfAuxSymbols();
LastSectionNumber = Sym.getSectionNumber();
}
for (Undefined *U : WeakAliases)
U->WeakAlias = SparseSymbolBodies[(uintptr_t)U->WeakAlias];
}