~IntelJITEventListener() {
}
- virtual void NotifyFunctionEmitted(const Function &F,
- void *FnStart, size_t FnSize,
- const EmittedFunctionDetails &Details);
-
virtual void NotifyFreeingMachineCode(void *OldPtr);
virtual void NotifyObjectEmitted(const ObjectImage &Obj);
virtual void NotifyFreeingObject(const ObjectImage &Obj);
};
-static LineNumberInfo LineStartToIntelJITFormat(
- uintptr_t StartAddress,
- uintptr_t Address,
- DebugLoc Loc) {
- LineNumberInfo Result;
-
- Result.Offset = Address - StartAddress;
- Result.LineNumber = Loc.getLine();
-
- return Result;
-}
-
static LineNumberInfo DILineInfoToIntelJITFormat(uintptr_t StartAddress,
uintptr_t Address,
DILineInfo Line) {
return Result;
}
-// Adds the just-emitted function to the symbol table.
-void IntelJITEventListener::NotifyFunctionEmitted(
- const Function &F, void *FnStart, size_t FnSize,
- const EmittedFunctionDetails &Details) {
- iJIT_Method_Load FunctionMessage = FunctionDescToIntelJITFormat(*Wrapper,
- F.getName().data(),
- reinterpret_cast<uint64_t>(FnStart),
- FnSize);
-
- std::vector<LineNumberInfo> LineInfo;
-
- if (!Details.LineStarts.empty()) {
- // Now convert the line number information from the address/DebugLoc
- // format in Details to the offset/lineno in Intel JIT API format.
-
- LineInfo.reserve(Details.LineStarts.size() + 1);
-
- DebugLoc FirstLoc = Details.LineStarts[0].Loc;
- assert(!FirstLoc.isUnknown()
- && "LineStarts should not contain unknown DebugLocs");
-
- MDNode *FirstLocScope = FirstLoc.getScope(F.getContext());
- DISubprogram FunctionDI = getDISubprogram(FirstLocScope);
- if (FunctionDI.Verify()) {
- FunctionMessage.source_file_name = const_cast<char*>(
- Filenames.getFullPath(FirstLocScope));
-
- LineNumberInfo FirstLine;
- FirstLine.Offset = 0;
- FirstLine.LineNumber = FunctionDI.getLineNumber();
- LineInfo.push_back(FirstLine);
- }
-
- for (std::vector<EmittedFunctionDetails::LineStart>::const_iterator I =
- Details.LineStarts.begin(), E = Details.LineStarts.end();
- I != E; ++I) {
- // This implementation ignores the DebugLoc filename because the Intel
- // JIT API does not support multiple source files associated with a single
- // JIT function
- LineInfo.push_back(LineStartToIntelJITFormat(
- reinterpret_cast<uintptr_t>(FnStart),
- I->Address,
- I->Loc));
-
- // If we have no file name yet for the function, use the filename from
- // the first instruction that has one
- if (FunctionMessage.source_file_name == 0) {
- MDNode *scope = I->Loc.getScope(
- Details.MF->getFunction()->getContext());
- FunctionMessage.source_file_name = const_cast<char*>(
- Filenames.getFullPath(scope));
- }
- }
-
- FunctionMessage.line_number_size = LineInfo.size();
- FunctionMessage.line_number_table = &*LineInfo.begin();
- } else {
- FunctionMessage.line_number_size = 0;
- FunctionMessage.line_number_table = 0;
- }
-
- Wrapper->iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED,
- &FunctionMessage);
- MethodIDs[FnStart] = FunctionMessage.method_id;
-}
-
void IntelJITEventListener::NotifyFreeingMachineCode(void *FnStart) {
MethodIDMap::iterator I = MethodIDs.find(FnStart);
if (I != MethodIDs.end()) {
~OProfileJITEventListener();
- virtual void NotifyFunctionEmitted(const Function &F,
- void *FnStart, size_t FnSize,
- const JITEvent_EmittedFunctionDetails &Details);
-
virtual void NotifyFreeingMachineCode(void *OldPtr);
virtual void NotifyObjectEmitted(const ObjectImage &Obj);
}
}
-static debug_line_info LineStartToOProfileFormat(
- const MachineFunction &MF, FilenameCache &Filenames,
- uintptr_t Address, DebugLoc Loc) {
- debug_line_info Result;
- Result.vma = Address;
- Result.lineno = Loc.getLine();
- Result.filename = Filenames.getFilename(
- Loc.getScope(MF.getFunction()->getContext()));
- DEBUG(dbgs() << "Mapping " << reinterpret_cast<void*>(Result.vma) << " to "
- << Result.filename << ":" << Result.lineno << "\n");
- return Result;
-}
-
-// Adds the just-emitted function to the symbol table.
-void OProfileJITEventListener::NotifyFunctionEmitted(
- const Function &F, void *FnStart, size_t FnSize,
- const JITEvent_EmittedFunctionDetails &Details) {
- assert(F.hasName() && FnStart != 0 && "Bad symbol to add");
- if (Wrapper.op_write_native_code(F.getName().data(),
- reinterpret_cast<uint64_t>(FnStart),
- FnStart, FnSize) == -1) {
- DEBUG(dbgs() << "Failed to tell OProfile about native function "
- << F.getName() << " at ["
- << FnStart << "-" << ((char*)FnStart + FnSize) << "]\n");
- return;
- }
-
- if (!Details.LineStarts.empty()) {
- // Now we convert the line number information from the address/DebugLoc
- // format in Details to the address/filename/lineno format that OProfile
- // expects. Note that OProfile 0.9.4 has a bug that causes it to ignore
- // line numbers for addresses above 4G.
- FilenameCache Filenames;
- std::vector<debug_line_info> LineInfo;
- LineInfo.reserve(1 + Details.LineStarts.size());
-
- DebugLoc FirstLoc = Details.LineStarts[0].Loc;
- assert(!FirstLoc.isUnknown()
- && "LineStarts should not contain unknown DebugLocs");
- MDNode *FirstLocScope = FirstLoc.getScope(F.getContext());
- DISubprogram FunctionDI = getDISubprogram(FirstLocScope);
- if (FunctionDI.Verify()) {
- // If we have debug info for the function itself, use that as the line
- // number of the first several instructions. Otherwise, after filling
- // LineInfo, we'll adjust the address of the first line number to point at
- // the start of the function.
- debug_line_info line_info;
- line_info.vma = reinterpret_cast<uintptr_t>(FnStart);
- line_info.lineno = FunctionDI.getLineNumber();
- line_info.filename = Filenames.getFilename(FirstLocScope);
- LineInfo.push_back(line_info);
- }
-
- for (std::vector<EmittedFunctionDetails::LineStart>::const_iterator
- I = Details.LineStarts.begin(), E = Details.LineStarts.end();
- I != E; ++I) {
- LineInfo.push_back(LineStartToOProfileFormat(
- *Details.MF, Filenames, I->Address, I->Loc));
- }
-
- // In case the function didn't have line info of its own, adjust the first
- // line info's address to include the start of the function.
- LineInfo[0].vma = reinterpret_cast<uintptr_t>(FnStart);
-
- if (Wrapper.op_write_debug_line_info(FnStart, LineInfo.size(),
- &*LineInfo.begin()) == -1) {
- DEBUG(dbgs()
- << "Failed to tell OProfile about line numbers for native function "
- << F.getName() << " at ["
- << FnStart << "-" << ((char*)FnStart + FnSize) << "]\n");
- }
- }
-}
-
// Removes the being-deleted function from the symbol table.
void OProfileJITEventListener::NotifyFreeingMachineCode(void *FnStart) {
assert(FnStart && "Invalid function pointer");