The second part of support for generating dwarf for assembly source files. This
generates the dwarf Compile Unit DIE and a dwarf subprogram DIE for each
non-temporary label.
The next part will be to get the clang driver to enable this when assembling
a .s file. rdar://9275556
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146262 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index 7883893..943f270 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -468,6 +468,9 @@
// section and generate a .file directive.
if (getContext().getGenDwarfForAssembly()) {
getContext().setGenDwarfSection(getStreamer().getCurrentSection());
+ MCSymbol *SectionStartSym = getContext().CreateTempSymbol();
+ getStreamer().EmitLabel(SectionStartSym);
+ getContext().setGenDwarfSectionStartSym(SectionStartSym);
getStreamer().EmitDwarfFileDirective(getContext().nextGenDwarfFileNumber(),
StringRef(), SrcMgr.getMemoryBuffer(CurBuffer)->getBufferIdentifier());
}
@@ -1047,6 +1050,12 @@
// Emit the label.
Out.EmitLabel(Sym);
+ // If we are generating dwarf for assembly source files then gather the
+ // info to make a dwarf subprogram entry for this label if needed.
+ if (getContext().getGenDwarfForAssembly())
+ MCGenDwarfSubprogramEntry::Make(Sym, &getStreamer(), getSourceManager(),
+ IDLoc);
+
// Consume any end of statement token, if present, to avoid spurious
// AddBlankLine calls().
if (Lexer.is(AsmToken::EndOfStatement)) {