llvm-6502/lib/Target/PIC16/PIC16DebugInfo.h
Devang Patel e4b275610a Reapply 79977.
Use MDNodes to encode debug info in llvm IR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80406 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-28 23:24:31 +00:00

158 lines
4.2 KiB
C++

//===-- PIC16DebugInfo.h - Interfaces for PIC16 Debug Information ============//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the helper functions for representing debug information.
//
//===----------------------------------------------------------------------===//
#ifndef PIC16DBG_H
#define PIC16DBG_H
#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Module.h"
namespace llvm {
class MachineFunction;
class DebugLoc;
namespace PIC16Dbg {
enum VarType {
T_NULL,
T_VOID,
T_CHAR,
T_SHORT,
T_INT,
T_LONG,
T_FLOAT,
T_DOUBLE,
T_STRUCT,
T_UNION,
T_ENUM,
T_MOE,
T_UCHAR,
T_USHORT,
T_UINT,
T_ULONG
};
enum DerivedType {
DT_NONE,
DT_PTR,
DT_FCN,
DT_ARY
};
enum TypeSize {
S_BASIC = 5,
S_DERIVED = 3
};
enum DbgClass {
C_NULL,
C_AUTO,
C_EXT,
C_STAT,
C_REG,
C_EXTDEF,
C_LABEL,
C_ULABEL,
C_MOS,
C_ARG,
C_STRTAG,
C_MOU,
C_UNTAG,
C_TPDEF,
C_USTATIC,
C_ENTAG,
C_MOE,
C_REGPARM,
C_FIELD,
C_AUTOARG,
C_LASTENT,
C_BLOCK = 100,
C_FCN,
C_EOS,
C_FILE,
C_LINE,
C_ALIAS,
C_HIDDEN,
C_EOF,
C_LIST,
C_SECTION,
C_EFCN = 255
};
enum SymbolSize {
AuxSize =20
};
}
class formatted_raw_ostream;
class PIC16DbgInfo {
formatted_raw_ostream &O;
const MCAsmInfo *MAI;
std::string CurFile;
unsigned CurLine;
// EmitDebugDirectives is set if debug information is available. Default
// value for it is false.
bool EmitDebugDirectives;
public:
PIC16DbgInfo(formatted_raw_ostream &o, const MCAsmInfo *T)
: O(o), MAI(T) {
CurFile = "";
CurLine = 0;
EmitDebugDirectives = false;
}
void BeginModule (Module &M);
void BeginFunction (const MachineFunction &MF);
void ChangeDebugLoc (const MachineFunction &MF, const DebugLoc &DL,
bool IsInBeginFunction = false);
void EndFunction (const MachineFunction &MF);
void EndModule (Module &M);
private:
void SwitchToCU (MDNode *CU);
void SwitchToLine (unsigned Line, bool IsInBeginFunction = false);
void PopulateDebugInfo (DIType Ty, unsigned short &TypeNo, bool &HasAux,
int Aux[], std::string &TypeName);
void PopulateBasicTypeInfo (DIType Ty, unsigned short &TypeNo);
void PopulateDerivedTypeInfo (DIType Ty, unsigned short &TypeNo,
bool &HasAux, int Aux[],
std::string &TypeName);
void PopulateCompositeTypeInfo (DIType Ty, unsigned short &TypeNo,
bool &HasAux, int Aux[],
std::string &TypeName);
void PopulateArrayTypeInfo (DIType Ty, unsigned short &TypeNo,
bool &HasAux, int Aux[],
std::string &TypeName);
void PopulateStructOrUnionTypeInfo (DIType Ty, unsigned short &TypeNo,
bool &HasAux, int Aux[],
std::string &TypeName);
void PopulateEnumTypeInfo (DIType Ty, unsigned short &TypeNo);
unsigned GetTypeDebugNumber(std::string &Type);
short getStorageClass(DIGlobalVariable DIGV);
void EmitFunctBeginDI(const Function *F);
void EmitCompositeTypeDecls(Module &M);
void EmitCompositeTypeElements (DICompositeType CTy, std::string Suffix);
void EmitFunctEndDI(const Function *F, unsigned Line);
void EmitAuxEntry(const std::string VarName, int Aux[],
int num = PIC16Dbg::AuxSize, std::string TagName = "");
inline void EmitSymbol(std::string Name, short Class,
unsigned short Type = PIC16Dbg::T_NULL,
unsigned long Value = 0);
void EmitVarDebugInfo(Module &M);
void EmitEOF();
};
} // end namespace llvm;
#endif