[AsmParser] Add source location to all errors related to .cfi directives

I was trying to add .cfi_ annotations to assembly code in the FreeBSD
kernel and changed a macro that then resulted in incorrectly nested
directives. However, clang's diagnostics said the error was happening at
<unknown>:0. This addresses one of the TODOs added in D51695.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D89787

1 files changed, 5 insertions, 5 deletions

diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp
index 46aa0b8..e4216c4 100644
--- a/llvm/lib/MC/MCStreamer.cpp
+++ b/llvm/lib/MC/MCStreamer.cpp
@@ -273,9 +273,9 @@ bool MCStreamer::hasUnfinishedDwarfFrameInfo() {
 
 MCDwarfFrameInfo *MCStreamer::getCurrentDwarfFrameInfo() {
   if (!hasUnfinishedDwarfFrameInfo()) {
-    getContext().reportError(SMLoc(), "this directive must appear between "
-                                      ".cfi_startproc and .cfi_endproc "
-                                      "directives");
+    getContext().reportError(getStartTokLoc(),
+                             "this directive must appear between "
+                             ".cfi_startproc and .cfi_endproc directives");
     return nullptr;
   }
   return &DwarfFrameInfos.back();
@@ -967,10 +967,10 @@ void MCStreamer::emitRawText(const Twine &T) {
 void MCStreamer::EmitWindowsUnwindTables() {
 }
 
-void MCStreamer::Finish() {
+void MCStreamer::Finish(SMLoc EndLoc) {
   if ((!DwarfFrameInfos.empty() && !DwarfFrameInfos.back().End) ||
       (!WinFrameInfos.empty() && !WinFrameInfos.back()->End)) {
-    getContext().reportError(SMLoc(), "Unfinished frame!");
+    getContext().reportError(EndLoc, "Unfinished frame!");
     return;
   }