DebugInfo: Emit DW_TAG_subprogram's DW_AT_high_pc as an offset from the low_pc

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfDebug.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 1a906e10331f651a1cb192e7ddf6a1e01a02f2e5..7abd2f1dc73018e69047220a80e03c7fdc63e9cb 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -413,7 +413,8 @@ DIE *DwarfDebug::updateSubprogramScopeDIE(DwarfCompileUnit *SPCU,
   }
 
   SPCU->addLabelAddress(SPDie, dwarf::DW_AT_low_pc, FunctionBeginSym);
-  SPCU->addLabelAddress(SPDie, dwarf::DW_AT_high_pc, FunctionEndSym);
+  SPCU->addLabelDelta(SPDie, dwarf::DW_AT_high_pc, FunctionEndSym,
+                      FunctionBeginSym);
 
   const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo();
   MachineLocation Location(RI->getFrameRegister(*Asm->MF));
@@ -2526,11 +2527,11 @@ void DwarfDebug::emitDebugLoc() {
   unsigned char Size = Asm->getDataLayout().getPointerSize();
   Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("debug_loc", 0));
   unsigned index = 1;
-  for (SmallVectorImpl<DotDebugLocEntry>::iterator
+  for (SmallVectorImpl<DotDebugLocEntry>::const_iterator
            I = DotDebugLocEntries.begin(),
            E = DotDebugLocEntries.end();
        I != E; ++I, ++index) {
-    DotDebugLocEntry &Entry = *I;
+    const DotDebugLocEntry &Entry = *I;
     if (Entry.isMerged())
       continue;
     if (Entry.isEmpty()) {