Enable DebugInfo support for COFF object files.

Patch by Nathan Jeffords!

llvm-svn: 126425

4 files changed, 11 insertions, 1 deletions

diff --git a/llvm/lib/Target/PTX/PTXMCAsmStreamer.cpp b/llvm/lib/Target/PTX/PTXMCAsmStreamer.cpp
index 0886ba8008f..da62ebf39b5 100644
--- a/llvm/lib/Target/PTX/PTXMCAsmStreamer.cpp
+++ b/llvm/lib/Target/PTX/PTXMCAsmStreamer.cpp
@@ -124,6 +124,7 @@ public:
   virtual void EmitCOFFSymbolStorageClass(int StorageClass);
   virtual void EmitCOFFSymbolType(int Type);
   virtual void EndCOFFSymbolDef();
+  virtual void EmitCOFFSecRel32(MCSymbol const *Symbol);
   virtual void EmitELFSize(MCSymbol *Symbol, const MCExpr *Value);
   virtual void EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                                 unsigned ByteAlignment);
@@ -277,6 +278,8 @@ void PTXMCAsmStreamer::EmitCOFFSymbolType (int Type) {}
 
 void PTXMCAsmStreamer::EndCOFFSymbolDef() {}
 
+void PTXMCAsmStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) {}
+
 void PTXMCAsmStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {}
 
 void PTXMCAsmStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
diff --git a/llvm/lib/Target/X86/X86AsmBackend.cpp b/llvm/lib/Target/X86/X86AsmBackend.cpp
index da5f5b182ce..6a0b059ca5a 100644
--- a/llvm/lib/Target/X86/X86AsmBackend.cpp
+++ b/llvm/lib/Target/X86/X86AsmBackend.cpp
@@ -40,6 +40,7 @@ static unsigned getFixupKindLog2Size(unsigned Kind) {
   case X86::reloc_riprel_4byte_movq_load:
   case X86::reloc_signed_4byte:
   case X86::reloc_global_offset_table:
+  case X86::reloc_coff_secrel32:
   case FK_Data_4: return 2;
   case FK_PCRel_8:
   case FK_Data_8: return 3;
@@ -69,7 +70,8 @@ public:
       { "reloc_riprel_4byte", 0, 4 * 8, MCFixupKindInfo::FKF_IsPCRel },
       { "reloc_riprel_4byte_movq_load", 0, 4 * 8, MCFixupKindInfo::FKF_IsPCRel},
       { "reloc_signed_4byte", 0, 4 * 8, 0},
-      { "reloc_global_offset_table", 0, 4 * 8, 0}
+      { "reloc_global_offset_table", 0, 4 * 8, 0},
+      { "reloc_coff_secrel32", 0, 4 * 8, 0}
     };
 
     if (Kind < FirstTargetFixupKind)
diff --git a/llvm/lib/Target/X86/X86FixupKinds.h b/llvm/lib/Target/X86/X86FixupKinds.h
index 17d242ab761..d6cb39ae9a7 100644
--- a/llvm/lib/Target/X86/X86FixupKinds.h
+++ b/llvm/lib/Target/X86/X86FixupKinds.h
@@ -23,6 +23,8 @@ enum Fixups {
   reloc_global_offset_table,                 // 32-bit, relative to the start
                                              // of the instruction. Used only
                                              // for _GLOBAL_OFFSET_TABLE_.
+  reloc_coff_secrel32,                       // PE-COFF section relative 32
+                                             // (only valid for win32 COFF)
   // Marker
   LastTargetFixupKind,
   NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind
diff --git a/llvm/lib/Target/X86/X86MCAsmInfo.cpp b/llvm/lib/Target/X86/X86MCAsmInfo.cpp
index 6686214e06f..75bc1ed2bee 100644
--- a/llvm/lib/Target/X86/X86MCAsmInfo.cpp
+++ b/llvm/lib/Target/X86/X86MCAsmInfo.cpp
@@ -113,4 +113,7 @@ X86MCAsmInfoCOFF::X86MCAsmInfoCOFF(const Triple &Triple) {
   AssemblerDialect = AsmWriterFlavor;
 
   TextAlignFillValue = 0x90;
+  
+  // Debug Information
+  SupportsDebugInformation = true;
 }