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

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DIEHash.h

diff --git a/lib/CodeGen/AsmPrinter/DIEHash.h b/lib/CodeGen/AsmPrinter/DIEHash.h
index 2869ce7614d59c60fb4abaca897311ce6f5686b7..40d6f44f311a4dcac83ec1f114f55471adc46cec 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DIEHash.h
+++ b/lib/CodeGen/AsmPrinter/DIEHash.h
@@ -11,11 +11,13 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "DIE.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/Support/MD5.h"
 
 namespace llvm {
 
+class AsmPrinter;
 class CompileUnit;
 
 /// \brief An object containing the capability of hashing and adding hash
@@ -83,25 +85,27 @@ class DIEHash {
   };
 
 public:
+  DIEHash(AsmPrinter *A = NULL) : AP(A) {}
+
   /// \brief Computes the ODR signature.
-  uint64_t computeDIEODRSignature(DIE *Die);
+  uint64_t computeDIEODRSignature(const DIE &Die);
 
   /// \brief Computes the CU signature.
-  uint64_t computeCUSignature(DIE *Die);
+  uint64_t computeCUSignature(const DIE &Die);
 
   /// \brief Computes the type signature.
-  uint64_t computeTypeSignature(DIE *Die);
+  uint64_t computeTypeSignature(const DIE &Die);
 
   // Helper routines to process parts of a DIE.
 private:
   /// \brief Adds the parent context of \param Die to the hash.
-  void addParentContext(DIE *Die);
+  void addParentContext(const DIE &Die);
 
   /// \brief Adds the attributes of \param Die to the hash.
-  void addAttributes(DIE *Die);
+  void addAttributes(const DIE &Die);
 
   /// \brief Computes the full DWARF4 7.27 hash of the DIE.
-  void computeHash(DIE *Die);
+  void computeHash(const DIE &Die);
 
   // Routines that add DIEValues to the hash.
 private:
@@ -116,29 +120,37 @@ private:
 
   /// \brief Collects the attributes of DIE \param Die into the \param Attrs
   /// structure.
-  void collectAttributes(DIE *Die, DIEAttrs &Attrs);
+  void collectAttributes(const DIE &Die, DIEAttrs &Attrs);
 
   /// \brief Hashes the attributes in \param Attrs in order.
   void hashAttributes(const DIEAttrs &Attrs, dwarf::Tag Tag);
 
+  /// \brief Hashes the data in a block like DIEValue, e.g. DW_FORM_block or
+  /// DW_FORM_exprloc.
+  void hashBlockData(const SmallVectorImpl<DIEValue *> &Values);
+
   /// \brief Hashes an individual attribute.
   void hashAttribute(AttrEntry Attr, dwarf::Tag Tag);
 
   /// \brief Hashes an attribute that refers to another DIE.
   void hashDIEEntry(dwarf::Attribute Attribute, dwarf::Tag Tag,
-                    DIE &Entry);
+                    const DIE &Entry);
 
   /// \brief Hashes a reference to a named type in such a way that is
   /// independent of whether that type is described by a declaration or a
   /// definition.
-  void hashShallowTypeReference(dwarf::Attribute Attribute,
-                                const DIE &Entry, StringRef Name);
+  void hashShallowTypeReference(dwarf::Attribute Attribute, const DIE &Entry,
+                                StringRef Name);
 
   /// \brief Hashes a reference to a previously referenced type DIE.
-  void hashRepeatedTypeReference(dwarf::Attribute Attribute, unsigned DieNumber);
+  void hashRepeatedTypeReference(dwarf::Attribute Attribute,
+                                 unsigned DieNumber);
+
+  void hashNestedType(const DIE &Die, StringRef Name);
 
 private:
   MD5 Hash;
-  DenseMap<DIE*, unsigned> Numbering;
+  AsmPrinter *AP;
+  DenseMap<const DIE *, unsigned> Numbering;
 };
 }