+
//===-- PIC16DebugInfo.cpp - Implementation for PIC16 Debug Information ======//
//
// The LLVM Compiler Infrastructure
//===----------------------------------------------------------------------===//
#include "PIC16.h"
+#include "PIC16ABINames.h"
#include "PIC16DebugInfo.h"
#include "llvm/GlobalVariable.h"
#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCStreamer.h"
#include "llvm/Support/DebugLoc.h"
-#include "llvm/Support/FormattedStream.h"
#include "llvm/ADT/SmallString.h"
-
+#include "llvm/ADT/StringExtras.h"
using namespace llvm;
/// PopulateDebugInfo - Populate the TypeNo, Aux[] and TagName from Ty.
void PIC16DbgInfo::PopulateDebugInfo (DIType Ty, unsigned short &TypeNo,
bool &HasAux, int Aux[],
std::string &TagName) {
- if (Ty.isBasicType(Ty.getTag()))
+ if (Ty.isBasicType())
PopulateBasicTypeInfo (Ty, TypeNo);
- else if (Ty.isDerivedType(Ty.getTag()))
- PopulateDerivedTypeInfo (Ty, TypeNo, HasAux, Aux, TagName);
- else if (Ty.isCompositeType(Ty.getTag()))
+ else if (Ty.isCompositeType())
PopulateCompositeTypeInfo (Ty, TypeNo, HasAux, Aux, TagName);
+ else if (Ty.isDerivedType())
+ PopulateDerivedTypeInfo (Ty, TypeNo, HasAux, Aux, TagName);
else {
TypeNo = PIC16Dbg::T_NULL;
HasAux = false;
/// PopulateBasicTypeInfo- Populate TypeNo for basic type from Ty.
///
void PIC16DbgInfo::PopulateBasicTypeInfo (DIType Ty, unsigned short &TypeNo) {
- std::string Name = "";
- Ty.getName(Name);
+ std::string Name = Ty.getName();
unsigned short BaseTy = GetTypeDebugNumber(Name);
TypeNo = TypeNo << PIC16Dbg::S_BASIC;
TypeNo = TypeNo | (0xffff & BaseTy);
TypeNo = TypeNo << PIC16Dbg::S_DERIVED;
}
- // We also need to encode the the information about the base type of
+ // We also need to encode the information about the base type of
// pointer in TypeNo.
- DIType BaseType = DIDerivedType(Ty.getGV()).getTypeDerivedFrom();
+ DIType BaseType = DIDerivedType(Ty).getTypeDerivedFrom();
PopulateDebugInfo(BaseType, TypeNo, HasAux, Aux, TagName);
}
bool &HasAux, int Aux[],
std::string &TagName) {
- DICompositeType CTy = DICompositeType(Ty.getGV());
+ DICompositeType CTy = DICompositeType(Ty);
DIArray Elements = CTy.getTypeArray();
unsigned short size = 1;
unsigned short Dimension[4]={0,0,0,0};
if (Element.getTag() == dwarf::DW_TAG_subrange_type) {
TypeNo = TypeNo << PIC16Dbg::S_DERIVED;
TypeNo = TypeNo | PIC16Dbg::DT_ARY;
- DISubrange SubRange = DISubrange(Element.getGV());
+ DISubrange SubRange = DISubrange(Element);
Dimension[i] = SubRange.getHi() - SubRange.getLo() + 1;
// Each dimension is represented by 2 bytes starting at byte 9.
Aux[8+i*2+0] = Dimension[i];
unsigned short &TypeNo,
bool &HasAux, int Aux[],
std::string &TagName) {
- DICompositeType CTy = DICompositeType(Ty.getGV());
+ DICompositeType CTy = DICompositeType(Ty);
TypeNo = TypeNo << PIC16Dbg::S_BASIC;
if (Ty.getTag() == dwarf::DW_TAG_structure_type)
TypeNo = TypeNo | PIC16Dbg::T_STRUCT;
else
TypeNo = TypeNo | PIC16Dbg::T_UNION;
- CTy.getName(TagName);
+ TagName = CTy.getName();
// UniqueSuffix is .number where number is obtained from
// llvm.dbg.composite<number>.
// FIXME: This will break when composite type is not represented by
// llvm.dbg.composite* global variable. Since we need to revisit
// PIC16DebugInfo implementation anyways after the MDNodes based
// framework is done, let us continue with the way it is.
- std::string UniqueSuffix = "." + Ty.getGV()->getNameStr().substr(18);
+ std::string UniqueSuffix = "." + Ty->getNameStr().substr(18);
TagName += UniqueSuffix;
unsigned short size = CTy.getSizeInBits()/8;
// 7th and 8th byte represent size.
///
short PIC16DbgInfo::getStorageClass(DIGlobalVariable DIGV) {
short ClassNo;
- if (PAN::isLocalName(DIGV.getGlobal()->getName())) {
+ if (PAN::isLocalName(DIGV.getName())) {
// Generating C_AUTO here fails due to error in linker. Change it once
// linker is fixed.
ClassNo = PIC16Dbg::C_STAT;
DbgFinder.processModule(M);
if (DbgFinder.compile_unit_count() != 0) {
// FIXME : What if more then one CUs are present in a module ?
- GlobalVariable *CU = *DbgFinder.compile_unit_begin();
+ MDNode *CU = *DbgFinder.compile_unit_begin();
EmitDebugDirectives = true;
SwitchToCU(CU);
}
-
// Emit debug info for decls of composite types.
EmitCompositeTypeDecls(M);
}
///
void PIC16DbgInfo::ChangeDebugLoc(const MachineFunction &MF,
const DebugLoc &DL, bool IsInBeginFunction) {
- if (! EmitDebugDirectives) return;
- assert (! DL.isUnknown() && "can't change to invalid debug loc");
-
- GlobalVariable *CU = MF.getDebugLocTuple(DL).CompileUnit;
- unsigned line = MF.getDebugLocTuple(DL).Line;
+ if (!EmitDebugDirectives) return;
+ assert(!DL.isUnknown() && "can't change to invalid debug loc");
- SwitchToCU(CU);
- SwitchToLine(line, IsInBeginFunction);
+ SwitchToCU(DL.getScope(MF.getFunction()->getContext()));
+ SwitchToLine(DL.getLine(), IsInBeginFunction);
}
/// SwitchToLine - Emit line directive for a new line.
///
void PIC16DbgInfo::SwitchToLine(unsigned Line, bool IsInBeginFunction) {
if (CurLine == Line) return;
- if (!IsInBeginFunction) O << "\n\t.line " << Line << "\n";
+ if (!IsInBeginFunction)
+ OS.EmitRawText("\n\t.line " + Twine(Line));
CurLine = Line;
}
void PIC16DbgInfo::EndModule(Module &M) {
if (! EmitDebugDirectives) return;
EmitVarDebugInfo(M);
- if (CurFile != "") O << "\n\t.eof";
+ if (CurFile != "") OS.EmitRawText(StringRef("\n\t.eof"));
}
/// EmitCompositeTypeElements - Emit debug information for members of a
bool HasAux = false;
int ElementAux[PIC16Dbg::AuxSize] = { 0 };
std::string TagName = "";
- std::string ElementName;
- GlobalVariable *GV = Element.getGV();
- DIDerivedType DITy(GV);
- DITy.getName(ElementName);
+ DIDerivedType DITy(Element);
unsigned short ElementSize = DITy.getSizeInBits()/8;
// Get mangleddd name for this structure/union element.
- std::string MangMemName = ElementName + SuffixNo;
+ std::string MangMemName = DITy.getName().str() + SuffixNo;
PopulateDebugInfo(DITy, TypeNo, HasAux, ElementAux, TagName);
short Class = 0;
if( CTy.getTag() == dwarf::DW_TAG_union_type)
for (DebugInfoFinder::iterator I = DbgFinder.type_begin(),
E = DbgFinder.type_end(); I != E; ++I) {
DICompositeType CTy(*I);
- if (CTy.isNull())
+ if (!CTy.Verify())
continue;
if (CTy.getTag() == dwarf::DW_TAG_union_type ||
CTy.getTag() == dwarf::DW_TAG_structure_type ) {
- std::string Name;
- CTy.getName(Name);
// Get the number after llvm.dbg.composite and make UniqueSuffix from
// it.
- std::string DIVar = CTy.getGV()->getNameStr();
+ std::string DIVar = CTy->getNameStr();
std::string UniqueSuffix = "." + DIVar.substr(18);
- std::string MangledCTyName = Name + UniqueSuffix;
+ std::string MangledCTyName = CTy.getName().str() + UniqueSuffix;
unsigned short size = CTy.getSizeInBits()/8;
int Aux[PIC16Dbg::AuxSize] = {0};
// 7th and 8th byte represent size of structure/union.
///
void PIC16DbgInfo::EmitAuxEntry(const std::string VarName, int Aux[], int Num,
std::string TagName) {
- O << "\n\t.dim " << VarName << ", 1" ;
+ std::string Tmp;
// TagName is emitted in case of structure/union objects.
- if (TagName != "")
- O << ", " << TagName;
+ if (!TagName.empty()) Tmp += ", " + TagName;
+
for (int i = 0; i<Num; i++)
- O << "," << Aux[i];
+ Tmp += "," + utostr(Aux[i] & 0xff);
+
+ OS.EmitRawText("\n\t.dim " + Twine(VarName) + ", 1" + Tmp);
}
/// EmitSymbol - Emit .def for a symbol. Value is offset for the member.
///
-void PIC16DbgInfo::EmitSymbol(std::string Name, short Class, unsigned short
- Type, unsigned long Value) {
- O << "\n\t" << ".def "<< Name << ", type = " << Type << ", class = "
- << Class;
+void PIC16DbgInfo::EmitSymbol(std::string Name, short Class,
+ unsigned short Type, unsigned long Value) {
+ std::string Tmp;
if (Value > 0)
- O << ", value = " << Value;
+ Tmp = ", value = " + utostr(Value);
+
+ OS.EmitRawText("\n\t.def " + Twine(Name) + ", type = " + utostr(Type) +
+ ", class = " + utostr(Class) + Tmp);
}
/// EmitVarDebugInfo - Emit debug information for all variables.
void PIC16DbgInfo::EmitVarDebugInfo(Module &M) {
DebugInfoFinder DbgFinder;
DbgFinder.processModule(M);
-
+
for (DebugInfoFinder::iterator I = DbgFinder.global_variable_begin(),
E = DbgFinder.global_variable_end(); I != E; ++I) {
DIGlobalVariable DIGV(*I);
bool HasAux = false;
int Aux[PIC16Dbg::AuxSize] = { 0 };
std::string TagName = "";
- std::string VarName = TAI->getGlobalPrefix()+DIGV.getGlobal()->getNameStr();
+ std::string VarName = DIGV.getName();
+ VarName = MAI->getGlobalPrefix() + VarName;
PopulateDebugInfo(Ty, TypeNo, HasAux, Aux, TagName);
// Emit debug info only if type information is availaible.
if (TypeNo != PIC16Dbg::T_NULL) {
- O << "\n\t.type " << VarName << ", " << TypeNo;
+ OS.EmitRawText("\t.type " + Twine(VarName) + ", " + Twine(TypeNo));
short ClassNo = getStorageClass(DIGV);
- O << "\n\t.class " << VarName << ", " << ClassNo;
- if (HasAux)
+ OS.EmitRawText("\t.class " + Twine(VarName) + ", " + Twine(ClassNo));
+ if (HasAux)
EmitAuxEntry(VarName, Aux, PIC16Dbg::AuxSize, TagName);
}
}
- O << "\n";
}
/// SwitchToCU - Switch to a new compilation unit.
///
-void PIC16DbgInfo::SwitchToCU(GlobalVariable *CU) {
+void PIC16DbgInfo::SwitchToCU(MDNode *CU) {
// Get the file path from CU.
DICompileUnit cu(CU);
- std::string DirName, FileName;
- std::string FilePath = cu.getDirectory(DirName) + "/" +
- cu.getFilename(FileName);
+ std::string DirName = cu.getDirectory();
+ std::string FileName = cu.getFilename();
+ std::string FilePath = DirName + "/" + FileName;
// Nothing to do if source file is still same.
if ( FilePath == CurFile ) return;
// Else, close the current one and start a new.
- if (CurFile != "") O << "\n\t.eof";
- O << "\n\t.file\t\"" << FilePath << "\"\n" ;
+ if (CurFile != "")
+ OS.EmitRawText(StringRef("\t.eof"));
+ OS.EmitRawText("\n\t.file\t\"" + Twine(FilePath) + "\"");
CurFile = FilePath;
CurLine = 0;
}
///
void PIC16DbgInfo::EmitEOF() {
if (CurFile != "")
- O << "\n\t.EOF";
+ OS.EmitRawText(StringRef("\t.EOF"));
}
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