- iJIT_Method_Load FunctionMessage = FunctionDescToIntelJITFormat(*Wrapper,
- Name.data(),
- Addr,
- Size);
-
- // FIXME: Try to find line info for this function in the DWARF sections.
- FunctionMessage.source_file_name = 0;
- FunctionMessage.line_number_size = 0;
- FunctionMessage.line_number_table = 0;
+ iJIT_Method_Load FunctionMessage =
+ FunctionDescToIntelJITFormat(*Wrapper, Name->data(), Addr, Size);
+ DILineInfoTable Lines = Context->getLineInfoForAddressRange(Addr, Size);
+ DILineInfoTable::iterator Begin = Lines.begin();
+ DILineInfoTable::iterator End = Lines.end();
+ for (DILineInfoTable::iterator It = Begin; It != End; ++It) {
+ LineInfo.push_back(
+ DILineInfoToIntelJITFormat((uintptr_t)Addr, It->first, It->second));
+ }
+ if (LineInfo.size() == 0) {
+ FunctionMessage.source_file_name = 0;
+ FunctionMessage.line_number_size = 0;
+ FunctionMessage.line_number_table = 0;
+ } else {
+ // Source line information for the address range is provided as
+ // a code offset for the start of the corresponding sub-range and
+ // a source line. JIT API treats offsets in LineNumberInfo structures
+ // as the end of the corresponding code region. The start of the code
+ // is taken from the previous element. Need to shift the elements.
+
+ LineNumberInfo last = LineInfo.back();
+ last.Offset = FunctionMessage.method_size;
+ LineInfo.push_back(last);
+ for (size_t i = LineInfo.size() - 2; i > 0; --i)
+ LineInfo[i].LineNumber = LineInfo[i - 1].LineNumber;
+
+ SourceFileName = Lines.front().second.FileName;
+ FunctionMessage.source_file_name =
+ const_cast<char *>(SourceFileName.c_str());
+ FunctionMessage.line_number_size = LineInfo.size();
+ FunctionMessage.line_number_table = &*LineInfo.begin();
+ }