X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FMC%2FMCObjectFileInfo.h;h=dcde9d9049e7a0b2bff3942bf5952682e10217d2;hb=486a7ad94fc948a0f52c32c860cdb2b166741249;hp=7525f003fb09257bfd414a72a0368bad1d20a059;hpb=637b25a6a04908562af422c0cafbcf9db94bcc81;p=oota-llvm.git

diff --git a/include/llvm/MC/MCObjectFileInfo.h b/include/llvm/MC/MCObjectFileInfo.h
index 7525f003fb0..dcde9d9049e 100644
--- a/include/llvm/MC/MCObjectFileInfo.h
+++ b/include/llvm/MC/MCObjectFileInfo.h
@@ -14,26 +14,25 @@
 #ifndef LLVM_MC_MCBJECTFILEINFO_H
 #define LLVM_MC_MCBJECTFILEINFO_H
 
-#include "llvm/MC/MCCodeGenInfo.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/MC/SectionKind.h"
+#include "llvm/Support/CodeGen.h"
 
 namespace llvm {
   class MCContext;
   class MCSection;
+  class StringRef;
   class Triple;
 
-class MCObjectFileInfo {  
+class MCObjectFileInfo {
 protected:
   /// CommDirectiveSupportsAlignment - True if .comm supports alignment.  This
   /// is a hack for as long as we support 10.4 Tiger, whose assembler doesn't
   /// support alignment on comm.
   bool CommDirectiveSupportsAlignment;
-  
+
   /// SupportsWeakEmptyEHFrame - True if target object file supports a
   /// weak_definition of constant 0 for an omitted EH frame.
   bool SupportsWeakOmittedEHFrame;
-  
+
   /// IsFunctionEHFrameSymbolPrivate - This flag is set to true if the
   /// "EH_frame" symbol for EH information should be an assembler temporary (aka
   /// private linkage, aka an L or .L label) or false if it should be a normal
@@ -47,24 +46,27 @@ protected:
   unsigned FDEEncoding;
   unsigned FDECFIEncoding;
   unsigned TTypeEncoding;
+  // Section flags for eh_frame
+  unsigned EHSectionType;
+  unsigned EHSectionFlags;
 
   /// TextSection - Section directive for standard text.
   ///
   const MCSection *TextSection;
-  
+
   /// DataSection - Section directive for standard data.
   ///
   const MCSection *DataSection;
-  
+
   /// BSSSection - Section that is default initialized to zero.
   const MCSection *BSSSection;
-  
+
   /// ReadOnlySection - Section that is readonly and can contain arbitrary
   /// initialized data.  Targets are not required to have a readonly section.
   /// If they don't, various bits of code will fall back to using the data
   /// section for constants.
   const MCSection *ReadOnlySection;
-  
+
   /// StaticCtorSection - This section contains the static constructor pointer
   /// list.
   const MCSection *StaticCtorSection;
@@ -72,7 +74,7 @@ protected:
   /// StaticDtorSection - This section contains the static destructor pointer
   /// list.
   const MCSection *StaticDtorSection;
-  
+
   /// LSDASection - If exception handling is supported by the target, this is
   /// the section the Language Specific Data Area information is emitted to.
   const MCSection *LSDASection;
@@ -82,14 +84,6 @@ protected:
   /// this is the section to emit them into.
   const MCSection *CompactUnwindSection;
 
-  /// DwarfAccelNamesSection, DwarfAccelObjCSection
-  /// If we use the DWARF accelerated hash tables then we want toe emit these
-  /// sections.
-  const MCSection *DwarfAccelNamesSection;
-  const MCSection *DwarfAccelObjCSection;
-  const MCSection *DwarfAccelNamespaceSection;
-  const MCSection *DwarfAccelTypesSection;
-
   // Dwarf sections for debug info.  If a target supports debug info, these must
   // be set.
   const MCSection *DwarfAbbrevSection;
@@ -104,10 +98,27 @@ protected:
   const MCSection *DwarfRangesSection;
   const MCSection *DwarfMacroInfoSection;
 
+  // DWARF5 Experimental Debug Info Sections
+  /// DwarfAccelNamesSection, DwarfAccelObjCSection,
+  /// DwarfAccelNamespaceSection, DwarfAccelTypesSection -
+  /// If we use the DWARF accelerated hash tables then we want to emit these
+  /// sections.
+  const MCSection *DwarfAccelNamesSection;
+  const MCSection *DwarfAccelObjCSection;
+  const MCSection *DwarfAccelNamespaceSection;
+  const MCSection *DwarfAccelTypesSection;
+
+  /// These are used for the Fission separate debug information files.
+  const MCSection *DwarfInfoDWOSection;
+  const MCSection *DwarfAbbrevDWOSection;
+  const MCSection *DwarfStrDWOSection;
+  const MCSection *DwarfLineDWOSection;
+  const MCSection *DwarfLocDWOSection;
+
   // Extra TLS Variable Data section.  If the target needs to put additional
   // information for a TLS variable, it'll go here.
   const MCSection *TLSExtraDataSection;
-  
+
   /// TLSDataSection - Section directive for Thread Local data.
   /// ELF, MachO and COFF.
   const MCSection *TLSDataSection;        // Defaults to ".tdata".
@@ -139,11 +150,11 @@ protected:
   /// Contains the source code name of the variable, visibility and a pointer
   /// to the initial value (.tdata or .tbss).
   const MCSection *TLSTLVSection;         // Defaults to ".tlv".
-  
+
   /// TLSThreadInitSection - Section for thread local data initialization
   /// functions.
   const MCSection *TLSThreadInitSection;  // Defaults to ".thread_init_func".
-  
+
   const MCSection *CStringSection;
   const MCSection *UStringSection;
   const MCSection *TextCoalSection;
@@ -167,7 +178,7 @@ protected:
 public:
   void InitMCObjectFileInfo(StringRef TT, Reloc::Model RM, CodeModel::Model CM,
                             MCContext &ctx);
-  
+
   bool isFunctionEHFrameSymbolPrivate() const {
     return IsFunctionEHFrameSymbolPrivate;
   }
@@ -192,18 +203,6 @@ public:
   const MCSection *getCompactUnwindSection() const{
     return CompactUnwindSection;
   }
-  const MCSection *getDwarfAccelNamesSection() const {
-    return DwarfAccelNamesSection;
-  }
-  const MCSection *getDwarfAccelObjCSection() const {
-    return DwarfAccelObjCSection;
-  }
-  const MCSection *getDwarfAccelNamespaceSection() const {
-    return DwarfAccelNamespaceSection;
-  }
-  const MCSection *getDwarfAccelTypesSection() const {
-    return DwarfAccelTypesSection;
-  }
   const MCSection *getDwarfAbbrevSection() const { return DwarfAbbrevSection; }
   const MCSection *getDwarfInfoSection() const { return DwarfInfoSection; }
   const MCSection *getDwarfLineSection() const { return DwarfLineSection; }
@@ -219,6 +218,36 @@ public:
   const MCSection *getDwarfMacroInfoSection() const {
     return DwarfMacroInfoSection;
   }
+
+  // DWARF5 Experimental Debug Info Sections
+  const MCSection *getDwarfAccelNamesSection() const {
+    return DwarfAccelNamesSection;
+  }
+  const MCSection *getDwarfAccelObjCSection() const {
+    return DwarfAccelObjCSection;
+  }
+  const MCSection *getDwarfAccelNamespaceSection() const {
+    return DwarfAccelNamespaceSection;
+  }
+  const MCSection *getDwarfAccelTypesSection() const {
+    return DwarfAccelTypesSection;
+  }
+  const MCSection *getDwarfInfoDWOSection() const {
+    return DwarfInfoDWOSection;
+  }
+  const MCSection *getDwarfAbbrevDWOSection() const {
+    return DwarfAbbrevDWOSection;
+  }
+  const MCSection *getDwarfStrDWOSection() const {
+    return DwarfStrDWOSection;
+  }
+  const MCSection *getDwarfLineDWOSection() const {
+    return DwarfLineDWOSection;
+  }
+  const MCSection *getDwarfLocDWOSection() const {
+    return DwarfLocDWOSection;
+  }
+
   const MCSection *getTLSExtraDataSection() const {
     return TLSExtraDataSection;
   }
@@ -284,6 +313,8 @@ public:
   const MCSection *getXDataSection() const { return XDataSection; }
 
   const MCSection *getEHFrameSection() {
+    if (!EHFrameSection)
+      InitEHFrameSection();
     return EHFrameSection;
   }
 
@@ -298,6 +329,9 @@ private:
   void InitELFMCObjectFileInfo(Triple T);
   void InitCOFFMCObjectFileInfo(Triple T);
 
+  /// InitEHFrameSection - Initialize EHFrameSection on demand.
+  ///
+  void InitEHFrameSection();
 };
 
 } // end namespace llvm