Fix .debug_range for linux. Patch by Krister Wombell.

llvm-svn: 112830

1 files changed, 23 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 25713419290..9078f282025 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1218,6 +1218,29 @@ void AsmPrinter::EmitLabelOffsetDifference(const MCSymbol *Hi, uint64_t Offset,
     OutStreamer.EmitSymbolValue(SetLabel, 4, 0/*AddrSpace*/);
   }
 }
+
+/// EmitLabelPlusOffset - Emit something like ".long Label+Offset" 
+/// where the size in bytes of the directive is specified by Size and Label
+/// specifies the label.  This implicitly uses .set if it is available.
+void AsmPrinter::EmitLabelPlusOffset(const MCSymbol *Label, uint64_t Offset,
+                                      unsigned Size) 
+  const {
+  
+  // Emit Label+Offset
+  const MCExpr *Plus =
+    MCBinaryExpr::CreateAdd(MCSymbolRefExpr::Create(Label, OutContext), 
+                            MCConstantExpr::Create(Offset, OutContext),
+                            OutContext);
+  
+  if (!MAI->hasSetDirective()) 
+    OutStreamer.EmitValue(Plus, 4, 0/*AddrSpace*/);
+  else {
+    // Otherwise, emit with .set (aka assignment).
+    MCSymbol *SetLabel = GetTempSymbol("set", SetCounter++);
+    OutStreamer.EmitAssignment(SetLabel, Plus);
+    OutStreamer.EmitSymbolValue(SetLabel, 4, 0/*AddrSpace*/);
+  }
+}
     
 
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