本文整理汇总了C++中MemoryBuffer::getMemBufferRef方法的典型用法代码示例。如果您正苦于以下问题：C++ MemoryBuffer::getMemBufferRef方法的具体用法？C++ MemoryBuffer::getMemBufferRef怎么用？C++ MemoryBuffer::getMemBufferRef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MemoryBuffer的用法示例。
在下文中一共展示了MemoryBuffer::getMemBufferRef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: move
std::unique_ptr<Module> TempFile::readBitcode(LLVMContext &Context) const {
DEBUG(dbgs() << " - read bitcode\n");
ErrorOr<std::unique_ptr<MemoryBuffer>> BufferOr =
MemoryBuffer::getFile(Filename);
if (!BufferOr) {
errs() << "verify-uselistorder: error: " << BufferOr.getError().message()
<< "\n";
return nullptr;
}
MemoryBuffer *Buffer = BufferOr.get().get();
ErrorOr<std::unique_ptr<Module>> ModuleOr =
parseBitcodeFile(Buffer->getMemBufferRef(), Context);
if (!ModuleOr) {
errs() << "verify-uselistorder: error: " << ModuleOr.getError().message()
<< "\n";
return nullptr;
}
return std::move(ModuleOr.get());
}示例2: jl_getDylibFunctionInfo
void jl_getDylibFunctionInfo(const char **name, size_t *line, const char **filename, size_t pointer, int *fromC, int skipC)
{
#ifdef _OS_WINDOWS_
DWORD fbase = SymGetModuleBase64(GetCurrentProcess(),(DWORD)pointer);
char *fname = 0;
if (fbase != 0) {
#else
Dl_info dlinfo;
const char *fname = 0;
if ((dladdr((void*)pointer, &dlinfo) != 0) && dlinfo.dli_fname) {
*fromC = !jl_is_sysimg(dlinfo.dli_fname);
if (skipC && *fromC)
return;
// In case we fail with the debug info lookup, we at least still
// have the function name, even if we don't have line numbers
*name = dlinfo.dli_sname;
*filename = dlinfo.dli_fname;
uint64_t fbase = (uint64_t)dlinfo.dli_fbase;
#endif
obfiletype::iterator it = objfilemap.find(fbase);
llvm::object::ObjectFile *obj = NULL;
DIContext *context = NULL;
int64_t slide = 0;
#ifndef _OS_WINDOWS_
fname = dlinfo.dli_fname;
#else
IMAGEHLP_MODULE64 ModuleInfo;
ModuleInfo.SizeOfStruct = sizeof(IMAGEHLP_MODULE64);
SymGetModuleInfo64(GetCurrentProcess(), (DWORD64)pointer, &ModuleInfo);
fname = ModuleInfo.LoadedImageName;
*fromC = !jl_is_sysimg(fname);
if (skipC && *fromC)
return;
#endif
if (it == objfilemap.end()) {
#ifdef _OS_DARWIN_
// First find the uuid of the object file (we'll use this to make sure we find the
// correct debug symbol file).
uint8_t uuid[16], uuid2[16];
MemoryBuffer *membuf = MemoryBuffer::getMemBuffer(
StringRef((const char *)fbase, (size_t)(((uint64_t)-1)-fbase)),"",false);
#ifdef LLVM36
auto origerrorobj = llvm::object::ObjectFile::createObjectFile(
membuf->getMemBufferRef(), sys::fs::file_magic::unknown);
#elif LLVM35
std::unique_ptr<MemoryBuffer> buf(membuf);
auto origerrorobj = llvm::object::ObjectFile::createObjectFile(
buf, sys::fs::file_magic::unknown);
#else
llvm::object::ObjectFile *origerrorobj = llvm::object::ObjectFile::createObjectFile(
membuf);
#endif
if (!origerrorobj) {
objfileentry_t entry = {obj,context,slide};
objfilemap[fbase] = entry;
goto lookup;
}
#ifdef LLVM36
llvm::object::MachOObjectFile *morigobj = (llvm::object::MachOObjectFile *)origerrorobj.get().release();
#elif LLVM35
llvm::object::MachOObjectFile *morigobj = (llvm::object::MachOObjectFile *)origerrorobj.get();
#else
llvm::object::MachOObjectFile *morigobj = (llvm::object::MachOObjectFile *)origerrorobj;
#endif
if (!getObjUUID(morigobj,uuid)) {
objfileentry_t entry = {obj,context,slide};
objfilemap[fbase] = entry;
goto lookup;
}
// On OS X debug symbols are not contained in the dynamic library and that's why
// we can't have nice things (easily). For now we only support .dSYM files in the same directory
// as the shared library. In the future we may use DBGCopyFullDSYMURLForUUID from CoreFoundation to make
// use of spotlight to find the .dSYM file.
char dsympath[PATH_MAX];
strlcpy(dsympath, dlinfo.dli_fname, sizeof(dsympath));
strlcat(dsympath, ".dSYM/Contents/Resources/DWARF/", sizeof(dsympath));
strlcat(dsympath, strrchr(dlinfo.dli_fname,'/')+1, sizeof(dsympath));
#ifdef LLVM35
auto errorobj = llvm::object::ObjectFile::createObjectFile(dsympath);
#else
llvm::object::ObjectFile *errorobj = llvm::object::ObjectFile::createObjectFile(dsympath);
#endif
#else
// On non OS X systems we need to mmap another copy because of the permissions on the mmaped
// shared library.
#ifdef LLVM35
auto errorobj = llvm::object::ObjectFile::createObjectFile(fname);
#else
llvm::object::ObjectFile *errorobj = llvm::object::ObjectFile::createObjectFile(fname);
#endif
#endif
#ifdef LLVM36
if (errorobj) {
obj = errorobj.get().getBinary().release();
errorobj.get().getBuffer().release();
#elif LLVM35
if (errorobj) {
obj = errorobj.get();
//.........这里部分代码省略.........