std::string getMangledName(FunctionDecl* FD) {
// Copied from Interpreter.cpp;
if (!m_MangleCtx)
m_MangleCtx.reset(FD->getASTContext().createMangleContext());
std::string mangledName;
if (m_MangleCtx->shouldMangleDeclName(FD)) {
llvm::raw_string_ostream RawStr(mangledName);
switch(FD->getKind()) {
case Decl::CXXConstructor:
//Ctor_Complete, // Complete object ctor
//Ctor_Base, // Base object ctor
//Ctor_CompleteAllocating // Complete object allocating ctor (unused)
m_MangleCtx->mangleCXXCtor(cast<CXXConstructorDecl>(FD),
Ctor_Complete, RawStr);
break;
case Decl::CXXDestructor:
//Dtor_Deleting, // Deleting dtor
//Dtor_Complete, // Complete object dtor
//Dtor_Base // Base object dtor
m_MangleCtx->mangleCXXDtor(cast<CXXDestructorDecl>(FD),
Dtor_Complete, RawStr);
break;
default :
m_MangleCtx->mangleName(FD, RawStr);
break;
}
RawStr.flush();
} else {
mangledName = FD->getNameAsString();
}
return mangledName;
}
virtual void Initialize(ASTContext &Ctx) {
Context = &Ctx;
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.startTimer();
Gen->Initialize(Ctx);
TheModule.reset(Gen->GetModule());
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.stopTimer();
}
llvm::Module *NodeCompiler::compile(const char *fileName)
{
// Add filename as the last argument of the compiler
char globfilename[512];
strcpy(globfilename, SRC_DIR"/");
strcat(globfilename, fileName);
m_args.push_back(globfilename);
const llvm::OwningPtr<Compilation>
Compilation(
//m_driver->BuildCompilation(llvm::makeArrayRef(m_args)));
m_driver->BuildCompilation(m_args));
// Compilation Job to get the correct arguments
const JobList &Jobs = Compilation->getJobs();
const Command *Cmd = llvm::cast<Command>(*Jobs.begin());
const ArgStringList *const CC1Args = &Cmd->getArguments();
//m_driver->PrintActions(*Compilation);
llvm::OwningPtr<CompilerInvocation> CI(new CompilerInvocation);
CompilerInvocation::CreateFromArgs(
*CI, CC1Args->data() + 1, CC1Args->data() + CC1Args->size(), *m_diagEngine);
// Show the invocation, with -v.
// TO debug the -fvectorize issue
//if (CI->getHeaderSearchOpts().Verbose) {
// llvm::errs() << "clang invocation:\n";
// Compilation->PrintJob(llvm::errs(), Jobs, "\n", true);
// llvm::errs() << "\n";
//}
// Create the compiler instance
m_clang->setInvocation(CI.take());
// Diagnostics
m_clang->createDiagnostics();
//m_args.pop_back(); // Remove filename for future compilation
if (!m_clang->hasDiagnostics())
return NULL;
// Emit only llvm code
llvm::Module *mod=NULL;
std::cout << "emitting llvm code" << "\n";
if (!m_clang->ExecuteAction(*m_action)) {
std::cout << "unable to generate llvm code" << "\n";
} else {
mod = m_action->takeModule();
}
std::cout << "code generated\n";
return mod;
}
aravdebug(const char * userfile, int lineno, const char *PATH) {
dataPath = getenv("DLOG_OUTPUT_FOLDER") + std::string(PATH);
//llvm::errs()<<"Data path ::"<<dataPath;
datatempPath = dataPath + ".temp";
// tagPath = dataPath + ".tag";
std::string syscall = "rm -f " + dataPath;
int status = system(syscall.c_str());
if (status < 0)
std::cout << "DLOG Error: " << strerror(errno) << '\n';
OS.reset((new llvm::raw_fd_ostream(datatempPath.c_str(), ErrorInfo)));
llvm::errs() << ErrorInfo;
id = gid++;
//llvm::errs()<<"created DLOG with id "<<id<<"\n";
tagset.insert("SYSTEM");
(*OS) << DIV("SYSTEM")<< "Created Debugger " << GREEN(id)
<< CALLINFO
<< EDIV;
tagset.insert("CALLINFO");
(*OS).flush();
}
void HandleDiagnostic(clang::DiagnosticsEngine::Level DiagLevel, const clang::Diagnostic& Info) override {
/* Moc ignores most of the errors since it even can operate on non self-contained headers.
* So try to change errors into warning.
*/
auto DiagId = Info.getID();
auto Cat = Info.getDiags()->getDiagnosticIDs()->getCategoryNumberForDiag(DiagId);
bool ShouldReset = false;
if (DiagLevel >= clang::DiagnosticsEngine::Error ) {
if (Cat == 2 || Cat == 4
|| DiagId == clang::diag::err_param_redefinition
|| DiagId == clang::diag::err_pp_expr_bad_token_binop ) {
if (!HadRealError)
ShouldReset = true;
DiagLevel = clang::DiagnosticsEngine::Warning;
} else {
HadRealError++;
}
}
DiagnosticConsumer::HandleDiagnostic(DiagLevel, Info);
Proxy->HandleDiagnostic(DiagLevel, Info);
if (ShouldReset) {
// FIXME: is there another way to ignore errors?
const_cast<clang::DiagnosticsEngine *>(Info.getDiags())->Reset();
}
}
static clang::CompilerInvocation *newCompilerInvocation(std::string &mainExecutable,
std::vector<std::string> &unadjustedCmdLine, bool runClangChecker = false)
{
// Prepare for command lines, and convert to old-school argv
llvm::OwningPtr<clang::tooling::ArgumentsAdjuster> argumentsAdjusterPtr(
new clang::tooling::ClangSyntaxOnlyAdjuster());
std::vector<std::string> commandLine = argumentsAdjusterPtr->Adjust(unadjustedCmdLine);
assert(!commandLine.empty());
commandLine[0] = mainExecutable;
std::vector<const char*> argv;
int start = 0, end = commandLine.size();
if (runClangChecker)
{
argv.push_back(commandLine[0].c_str());
argv.push_back("--analyze");
start = 1;
end -= 1;
}
for (int cmdIndex = start; cmdIndex != end; cmdIndex++)
{
argv.push_back(commandLine[cmdIndex].c_str());
}
// create diagnostic engine
llvm::IntrusiveRefCntPtr<clang::DiagnosticOptions> diagOpts =
new clang::DiagnosticOptions();
clang::DiagnosticsEngine diagnosticsEngine(
llvm::IntrusiveRefCntPtr<clang::DiagnosticIDs>(new clang::DiagnosticIDs()),
&*diagOpts,
new clang::DiagnosticConsumer(),
false);
// create driver
const char *const mainBinaryPath = argv[0];
const llvm::OwningPtr<clang::driver::Driver> driver(
newDriver(&diagnosticsEngine, mainBinaryPath));
driver->setCheckInputsExist(false);
// create compilation invocation
const llvm::OwningPtr<clang::driver::Compilation> compilation(
driver->BuildCompilation(llvm::makeArrayRef(argv)));
const llvm::opt::ArgStringList *const cc1Args = getCC1Arguments(compilation.get());
return newInvocation(&diagnosticsEngine, *cc1Args);
}
bool ToolInvocation::run() {
std::vector<const char*> Argv;
for (int I = 0, E = CommandLine.size(); I != E; ++I)
Argv.push_back(CommandLine[I].c_str());
const char *const BinaryName = Argv[0];
DiagnosticOptions DefaultDiagnosticOptions;
TextDiagnosticPrinter DiagnosticPrinter(
llvm::errs(), DefaultDiagnosticOptions);
DiagnosticsEngine Diagnostics(llvm::IntrusiveRefCntPtr<clang::DiagnosticIDs>(
new DiagnosticIDs()), &DiagnosticPrinter, false);
const llvm::OwningPtr<clang::driver::Driver> Driver(
newDriver(&Diagnostics, BinaryName));
// Since the input might only be virtual, don't check whether it exists.
Driver->setCheckInputsExist(false);
const llvm::OwningPtr<clang::driver::Compilation> Compilation(
Driver->BuildCompilation(llvm::makeArrayRef(Argv)));
const clang::driver::ArgStringList *const CC1Args = getCC1Arguments(
&Diagnostics, Compilation.get());
if (CC1Args == NULL) {
return false;
}
llvm::OwningPtr<clang::CompilerInvocation> Invocation(
newInvocation(&Diagnostics, *CC1Args));
return runInvocation(BinaryName, Compilation.get(),
Invocation.take(), *CC1Args, ToolAction.take());
}
virtual void HandleTopLevelDecl(DeclGroupRef D) {
PrettyStackTraceDecl CrashInfo(*D.begin(), SourceLocation(),
Context->getSourceManager(),
"LLVM IR generation of declaration");
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.startTimer();
Gen->HandleTopLevelDecl(D);
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.stopTimer();
}
static void SetUpBuildDumpLog(const DiagnosticOptions &DiagOpts,
unsigned argc, char **argv,
llvm::OwningPtr<DiagnosticClient> &DiagClient) {
std::string ErrorInfo;
llvm::raw_ostream *OS =
new llvm::raw_fd_ostream(DiagOpts.DumpBuildInformation.c_str(), ErrorInfo);
if (!ErrorInfo.empty()) {
// FIXME: Do not fail like this.
llvm::errs() << "error opening -dump-build-information file '"
<< DiagOpts.DumpBuildInformation << "', option ignored!\n";
delete OS;
return;
}
(*OS) << "clang -cc1 command line arguments: ";
for (unsigned i = 0; i != argc; ++i)
(*OS) << argv[i] << ' ';
(*OS) << '\n';
// Chain in a diagnostic client which will log the diagnostics.
DiagnosticClient *Logger =
new TextDiagnosticPrinter(*OS, DiagOpts, /*OwnsOutputStream=*/true);
DiagClient.reset(new ChainedDiagnosticClient(DiagClient.take(), Logger));
}
llvm::error_code FileOutputBuffer::create(FileHandle& pFileHandle,
size_t pSize, llvm::OwningPtr<FileOutputBuffer>& pResult)
{
llvm::error_code EC;
llvm::OwningPtr<mapped_file_region> mapped_file(new mapped_file_region(
pFileHandle.handler(),
false,
mapped_file_region::readwrite,
pSize,
0,
EC));
if (EC)
return EC;
pResult.reset(new FileOutputBuffer(mapped_file.get(), pFileHandle));
if (pResult)
mapped_file.take();
return llvm::error_code::success();
}
virtual void HandleTranslationUnit(ASTContext &C) {
{
PrettyStackTraceString CrashInfo("Per-file LLVM IR generation");
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.startTimer();
Gen->HandleTranslationUnit(C);
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.stopTimer();
}
// Silently ignore if we weren't initialized for some reason.
if (!TheModule)
return;
// Make sure IR generation is happy with the module. This is released by
// the module provider.
Module *M = Gen->ReleaseModule();
if (!M) {
// The module has been released by IR gen on failures, do not double
// free.
TheModule.take();
return;
}
assert(TheModule.get() == M &&
"Unexpected module change during IR generation");
// Install an inline asm handler so that diagnostics get printed through
// our diagnostics hooks.
LLVMContext &Ctx = TheModule->getContext();
LLVMContext::InlineAsmDiagHandlerTy OldHandler =
Ctx.getInlineAsmDiagnosticHandler();
void *OldContext = Ctx.getInlineAsmDiagnosticContext();
Ctx.setInlineAsmDiagnosticHandler(InlineAsmDiagHandler, this);
EmitBackendOutput(Diags, CodeGenOpts, TargetOpts, LangOpts,
TheModule.get(), Action, AsmOutStream);
Ctx.setInlineAsmDiagnosticHandler(OldHandler, OldContext);
}
virtual void CompleteTentativeDefinition(VarDecl *D) {
Gen->CompleteTentativeDefinition(D);
}
void finish() override {
Proxy->finish();
}
void EndSourceFile() override {
Proxy->EndSourceFile();
}
void clear() override {
Proxy->clear();
}
void BeginSourceFile(const clang::LangOptions& LangOpts, const clang::Preprocessor* PP = 0) override {
Proxy->BeginSourceFile(LangOpts, PP);
}
virtual void HandleTagDeclDefinition(TagDecl *D) {
PrettyStackTraceDecl CrashInfo(D, SourceLocation(),
Context->getSourceManager(),
"LLVM IR generation of declaration");
Gen->HandleTagDeclDefinition(D);
}
virtual void HandleVTable(CXXRecordDecl *RD, bool DefinitionRequired) {
Gen->HandleVTable(RD, DefinitionRequired);
}
llvm::Module *takeModule() { return TheModule.take(); }
~aravdebug() {
//llvm::errs()<<"Datapath "<<dataPath.c_str()<<"\n";
//llvm::errs()<<"datatempPath "<<datatempPath.c_str()<<"\n";
int status;
std::fstream fwrite;
fwrite.open(dataPath.c_str(), std::fstream::out);
fwrite
<< "<head>\n"
"<script type='text/javascript' src='js/aravind.js' ></script>\n"
"<script type='text/javascript' src='js/jquery-2.0.3.min.js'></script>\n";
fwrite
<< "<script type=\"text/javascript\">"
"$(document).ready(function() {"
"$(\"ar_menu\").click(function(){"
"$(this).toggleClass(\"active\");"
"$(this).next(\"div\").stop('true','true').slideToggle(\"500\");"
"});"
"});"
"</script>\n";
fwrite << "\n</head>\n ";
fwrite
<< "<body>\n"
"<style>div.floating-menu {background:#fff4c8;border:1px solid #ffcc00;width:150px;margin-top:5px;margin-bottom:10px; } "
"div.floating-menu a, div.floating-menu h3 {display:block;margin:0 0.5em;} </style>";
fwrite
<< "<style>"
"div.floating-container{top:35%;left:75%;position:fixed;z-index:100;}\n"
"div.floating-container ar_menu:hover{background:#FFFFE0}\n"
"div.floating-container ar_menu{list-style-type:none; cursor:pointer; border-top:2px solid #666666; border-bottom:2px solid #666666;padding:2px 2px 2px 2px;margin-top:10px;}\n"
"div.floating-container ar_menu div:hover{text-decoration:none !important;}\n"
"div.floating-container ar_menu:before {content: \" + \"; \n"
"padding:0px 5px 1px 5px; color:red; font-weight:bold;background:#4A5A6D}\n"
"div.floating-container ar_menu.active:before {content: \" - \";\n"
" padding:0px 5px 1px 5px; color:red; font-weight:bold;background:#4A5A6D}\n"
".floating-topic{background:#B7B8B5;display: inline-block; width:125px;margin-bottom:5px;}\n"
"</style>\n";
fwrite << DIV("floating-container");
auto it = tagset.begin();
//for callinfo
fwrite
<< "<ar_menu><span class=\"floating-topic\"><b> Extra info</b></span></ar_menu>\n";
fwrite << "<div class=\"floating-menu\">" << CHKBOX(*it) << EDIV;
//for avoiding collapsing problem
fwrite << DIV("") << EDIV;
//tags begin here
fwrite
<< "<ar_menu><span class=\"floating-topic\"><b> Tags</b></span></ar_menu>\n";
fwrite << "<div class=\"floating-menu\">";
++it;
for (; it != tagset.end(); ++it) {
fwrite << CHKBOX(*it);
}
fwrite
<< "<input id=\"clickMe\" type=\"button\" value=\"ALL\" onclick=\"toggle_chk_true(this);\" />\n";
fwrite
<< "<input id=\"clickMe\" type=\"button\" value=\"NONE\" onclick=\"toggle_chk_false(this);\" />"
<< mendl;
fwrite << EDIV;
fwrite << EDIV; //container
(*OS) << DIV("SYSTEM")<< br << "Destroyed Debugger " << GREEN(id)
<< EDIV;
fwrite << "</body> </html>";
fwrite.close();
if (!system(NULL))
(*OS) << RED("System command failed in debugger\n");
OS.reset(NULL);
std::string syscommand = "cat " + datatempPath + " >> " + dataPath;
//llvm::errs()<<syscommand;
status = system(syscommand.c_str());
if (status < 0)
std::cout << "DLOG Error: " << strerror(errno) << '\n';
syscommand = "rm -f " + datatempPath;
status = system(syscommand.c_str());
if (status < 0)
std::cout << "DLOG Error: " << strerror(errno) << '\n';
unsigned found = datatempPath.find_last_of("/\\");
syscommand = "cp -r $DLOG_PATH/js "
+ datatempPath.substr(0, found);
status = system(syscommand.c_str());
if (status < 0)
std::cout << "DLOG Error: " << strerror(errno) << '\n';
//system("echo `pwd`");
}
static inline void LazyInitialize(llvm::OwningPtr<BugType> &BT,
const char *name) {
if (BT)
return;
BT.reset(new BugType(name, "Unix API"));
}
DiagnosticConsumer* clone(clang::DiagnosticsEngine& Diags) const override {
return new MocDiagConsumer { Proxy->clone(Diags) };
}
bool CallAndMessageChecker::PreVisitProcessArg(CheckerContext &C,
SVal V, SourceRange argRange,
const Expr *argEx,
const char *BT_desc,
llvm::OwningPtr<BugType> &BT) {
if (V.isUndef()) {
if (ExplodedNode *N = C.generateSink()) {
LazyInit_BT(BT_desc, BT);
// Generate a report for this bug.
BugReport *R = new BugReport(*BT, BT->getName(), N);
R->addRange(argRange);
if (argEx)
R->addVisitor(bugreporter::getTrackNullOrUndefValueVisitor(N, argEx));
C.EmitReport(R);
}
return true;
}
if (const nonloc::LazyCompoundVal *LV =
dyn_cast<nonloc::LazyCompoundVal>(&V)) {
class FindUninitializedField {
public:
SmallVector<const FieldDecl *, 10> FieldChain;
private:
ASTContext &C;
StoreManager &StoreMgr;
MemRegionManager &MrMgr;
Store store;
public:
FindUninitializedField(ASTContext &c, StoreManager &storeMgr,
MemRegionManager &mrMgr, Store s)
: C(c), StoreMgr(storeMgr), MrMgr(mrMgr), store(s) {}
bool Find(const TypedValueRegion *R) {
QualType T = R->getValueType();
if (const RecordType *RT = T->getAsStructureType()) {
const RecordDecl *RD = RT->getDecl()->getDefinition();
assert(RD && "Referred record has no definition");
for (RecordDecl::field_iterator I =
RD->field_begin(), E = RD->field_end(); I!=E; ++I) {
const FieldRegion *FR = MrMgr.getFieldRegion(*I, R);
FieldChain.push_back(*I);
T = (*I)->getType();
if (T->getAsStructureType()) {
if (Find(FR))
return true;
}
else {
const SVal &V = StoreMgr.getBinding(store, loc::MemRegionVal(FR));
if (V.isUndef())
return true;
}
FieldChain.pop_back();
}
}
return false;
}
};
const LazyCompoundValData *D = LV->getCVData();
FindUninitializedField F(C.getASTContext(),
C.getState()->getStateManager().getStoreManager(),
C.getSValBuilder().getRegionManager(),
D->getStore());
if (F.Find(D->getRegion())) {
if (ExplodedNode *N = C.generateSink()) {
LazyInit_BT(BT_desc, BT);
llvm::SmallString<512> Str;
llvm::raw_svector_ostream os(Str);
os << "Passed-by-value struct argument contains uninitialized data";
if (F.FieldChain.size() == 1)
os << " (e.g., field: '" << *F.FieldChain[0] << "')";
else {
os << " (e.g., via the field chain: '";
bool first = true;
for (SmallVectorImpl<const FieldDecl *>::iterator
DI = F.FieldChain.begin(), DE = F.FieldChain.end(); DI!=DE;++DI){
if (first)
first = false;
else
os << '.';
os << **DI;
}
os << "')";
}
// Generate a report for this bug.
BugReport *R = new BugReport(*BT, os.str(), N);
R->addRange(argRange);
// FIXME: enhance track back for uninitialized value for arbitrary
// memregions
C.EmitReport(R);
}
return true;
}
}
return false;
}
void ASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) {
ExternalSource.reset(Source.take());
}
