The subprogram descriptor for a function may be missing (llvm-ld linking two static functions with same name), so pick up the compilation unit for the function from the first valid debug loc of its instructions.

This patch also emits debug info for structure (aggregate types in 
general) types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73295 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 8 deletions

diff --git a/lib/Target/PIC16/PIC16DebugInfo.h b/lib/Target/PIC16/PIC16DebugInfo.h
index be39393..9d50380 100644
--- a/lib/Target/PIC16/PIC16DebugInfo.h
+++ b/lib/Target/PIC16/PIC16DebugInfo.h
@@ -91,29 +91,36 @@ namespace llvm {
   class raw_ostream;
 
   class PIC16DbgInfo {
-    std::map <std::string, DISubprogram *> FunctNameMap;
     raw_ostream &O;
     const TargetAsmInfo *TAI;
     std::string CurFile;
+    // EmitDebugDirectives is set if debug information is available. Default
+    // value for it is false.
+    bool EmitDebugDirectives;
+    unsigned FunctBeginLine;
   public:
     PIC16DbgInfo(raw_ostream &o, const TargetAsmInfo *T) : O(o), TAI(T) {
-      CurFile = "";  
+      CurFile = ""; 
+      EmitDebugDirectives = false; 
     }
-    ~PIC16DbgInfo();
     void PopulateDebugInfo(DIType Ty, unsigned short &TypeNo, bool &HasAux,
                            int Aux[], std::string &TypeName);
     unsigned GetTypeDebugNumber(std::string &type);
     short getClass(DIGlobalVariable DIGV);
-    void PopulateFunctsDI(Module &M);
-    DISubprogram *getFunctDI(std::string FunctName);
     void EmitFunctBeginDI(const Function *F);
+    void Init(Module &M);
+    void EmitCompositeTypeDecls(Module &M);
     void EmitFunctEndDI(const Function *F, unsigned Line);
-    void EmitAuxEntry(const std::string VarName, int Aux[], int num);
-    inline void EmitSymbol(std::string Name, int Class);
+    void EmitAuxEntry(const std::string VarName, int Aux[], 
+                      int num = PIC16Dbg::AuxSize, std::string tag = "");
+    inline void EmitSymbol(std::string Name, short Class, 
+                           unsigned short Type = PIC16Dbg::T_NULL, 
+                           unsigned long Value = 0);
     void EmitVarDebugInfo(Module &M);
     void EmitFileDirective(Module &M);
-    void EmitFileDirective(const Function *F);
+    void EmitFileDirective(GlobalVariable *CU, bool EmitEof = true);
     void EmitEOF();
+    void SetFunctBeginLine(unsigned line);
   };
 } // end namespace llvm;
 #endif