本文整理汇总了C++中OwningPtr::begin_symbols方法的典型用法代码示例。如果您正苦于以下问题:C++ OwningPtr::begin_symbols方法的具体用法?C++ OwningPtr::begin_symbols怎么用?C++ OwningPtr::begin_symbols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OwningPtr
的用法示例。
在下文中一共展示了OwningPtr::begin_symbols方法的1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: printLineInfoForInput
static int printLineInfoForInput() {
// If we don't have any input files, read from stdin.
if (!InputFileList.size())
InputFileList.push_back("-");
for(unsigned i = 0, e = InputFileList.size(); i != e; ++i) {
// Instantiate a dynamic linker.
TrivialMemoryManager MemMgr;
RuntimeDyld Dyld(&MemMgr);
// Load the input memory buffer.
OwningPtr<MemoryBuffer> InputBuffer;
OwningPtr<ObjectImage> LoadedObject;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFileList[i],
InputBuffer))
return Error("unable to read input: '" + ec.message() + "'");
// Load the object file
LoadedObject.reset(Dyld.loadObject(new ObjectBuffer(InputBuffer.take())));
if (!LoadedObject) {
return Error(Dyld.getErrorString());
}
// Resolve all the relocations we can.
Dyld.resolveRelocations();
OwningPtr<DIContext> Context(DIContext::getDWARFContext(LoadedObject->getObjectFile()));
// Use symbol info to iterate functions in the object.
error_code ec;
for (object::symbol_iterator I = LoadedObject->begin_symbols(),
E = LoadedObject->end_symbols();
I != E && !ec;
I.increment(ec)) {
object::SymbolRef::Type SymType;
if (I->getType(SymType)) continue;
if (SymType == object::SymbolRef::ST_Function) {
StringRef Name;
uint64_t Addr;
uint64_t Size;
if (I->getName(Name)) continue;
if (I->getAddress(Addr)) continue;
if (I->getSize(Size)) continue;
outs() << "Function: " << Name << ", Size = " << Size << "\n";
DILineInfoTable Lines = Context->getLineInfoForAddressRange(Addr, Size);
DILineInfoTable::iterator Begin = Lines.begin();
DILineInfoTable::iterator End = Lines.end();
for (DILineInfoTable::iterator It = Begin; It != End; ++It) {
outs() << " Line info @ " << It->first - Addr << ": "
<< It->second.getFileName()
<< ", line:" << It->second.getLine() << "\n";
}
}
}
}
return 0;
}