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Reorg for integration with gcc4. Old style debug info will not be passed though

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to SelIDAG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26115 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey
2006-02-11 01:01:30 +00:00
parent c23580969f
commit ce72b1755f
3 changed files with 435 additions and 192 deletions
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228
include/llvm/CodeGen/MachineDebugInfo.h
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@@ -32,6 +32,7 @@
#include "llvm/Support/Dwarf.h"
#include "llvm/ADT/UniqueVector.h"
#include "llvm/GlobalValue.h"
#include "llvm/Pass.h"
#include "llvm/User.h"
@@ -42,6 +43,7 @@ namespace llvm {
//===----------------------------------------------------------------------===//
// Forward declarations.
class Constant;
class DebugInfoDesc;
class GlobalVariable;
class Module;
@@ -57,12 +59,13 @@ enum {
// DebugInfoDesc type identifying tags.
// FIXME - Change over with gcc4.
DI_TAG_anchor = 0,
#if 1
DI_TAG_compile_unit = DW_TAG_compile_unit,
DI_TAG_global_variable = DW_TAG_variable,
DI_TAG_subprogram = DW_TAG_subprogram
#else
DI_TAG_compile_unit = 1,
DI_TAG_compile_unit,
DI_TAG_global_variable,
DI_TAG_subprogram
#endif
@@ -117,6 +120,10 @@ public:
/// Return NULL if not a recognized Tag.
static DebugInfoDesc *DescFactory(unsigned Tag);
/// getLinkage - get linkage appropriate for this type of descriptor.
///
virtual GlobalValue::LinkageTypes getLinkage() const;
//===--------------------------------------------------------------------===//
// Subclasses should supply the following static methods.
@@ -128,11 +135,15 @@ public:
/// ApplyToFields - Target the vistor to the fields of the descriptor.
///
virtual void ApplyToFields(DIVisitor *Visitor) = 0;
virtual void ApplyToFields(DIVisitor *Visitor);
/// TypeString - Return a string used to compose globalnames and labels.
/// getDescString - Return a string used to compose global names and labels.
///
virtual const char *TypeString() const = 0;
virtual const char *getDescString() const = 0;
/// getTypeString - Return a string used to label this descriptor's type.
///
virtual const char *getTypeString() const = 0;
#ifndef NDEBUG
virtual void dump() = 0;
@@ -140,28 +151,91 @@ public:
};
//===----------------------------------------------------------------------===//
/// AnchorDesc - Descriptors of this class act as markers for identifying
/// descriptors of certain groups.
class AnchorDesc : public DebugInfoDesc {
private:
std::string Name; // Anchor type string.
public:
AnchorDesc()
: DebugInfoDesc(DI_TAG_anchor)
, Name("")
{}
AnchorDesc(const std::string &N)
: DebugInfoDesc(DI_TAG_anchor)
, Name(N)
{}
// Accessors
const std::string &getName() const { return Name; }
// Implement isa/cast/dyncast.
static bool classof(const AnchorDesc *) { return true; }
static bool classof(const DebugInfoDesc *D) {
return D->getTag() == DI_TAG_anchor;
}
/// getLinkage - get linkage appropriate for this type of descriptor.
///
virtual GlobalValue::LinkageTypes getLinkage() const;
/// ApplyToFields - Target the visitor to the fields of the AnchorDesc.
///
virtual void ApplyToFields(DIVisitor *Visitor);
/// getDescString - Return a string used to compose global names and labels.
///
virtual const char *getDescString() const;
/// getTypeString - Return a string used to label this descriptor's type.
///
virtual const char *getTypeString() const;
#ifndef NDEBUG
virtual void dump();
#endif
};
//===----------------------------------------------------------------------===//
/// AnchoredDesc - This class manages anchors for a variety of top level
/// descriptors.
class AnchoredDesc : public DebugInfoDesc {
private:
AnchorDesc *Anchor; // Anchor for all descriptors of the
// same type.
protected:
AnchoredDesc(unsigned T);
public:
// Accessors.
AnchorDesc *getAnchor() const { return Anchor; }
void setAnchor(AnchorDesc *A) { Anchor = A; }
//===--------------------------------------------------------------------===//
// Subclasses should supply the following virtual methods.
/// ApplyToFields - Target the visitor to the fields of the AnchoredDesc.
///
virtual void ApplyToFields(DIVisitor *Visitor);
};
//===----------------------------------------------------------------------===//
/// CompileUnitDesc - This class packages debug information associated with a
/// source/header file.
class CompileUnitDesc : public DebugInfoDesc {
class CompileUnitDesc : public AnchoredDesc {
private:
unsigned DebugVersion; // LLVM debug version when produced.
unsigned Language; // Language number (ex. DW_LANG_C89.)
std::string FileName; // Source file name.
std::string Directory; // Source file directory.
std::string Producer; // Compiler string.
GlobalVariable *TransUnit; // Translation unit - ignored.
public:
CompileUnitDesc()
: DebugInfoDesc(DI_TAG_compile_unit)
, DebugVersion(LLVMDebugVersion)
, Language(0)
, FileName("")
, Directory("")
, Producer("")
, TransUnit(NULL)
{}
CompileUnitDesc();
// Accessors
unsigned getDebugVersion() const { return DebugVersion; }
@@ -173,6 +247,7 @@ public:
void setFileName(const std::string &FN) { FileName = FN; }
void setDirectory(const std::string &D) { Directory = D; }
void setProducer(const std::string &P) { Producer = P; }
// FIXME - Need translation unit getter/setter.
// Implement isa/cast/dyncast.
@@ -189,9 +264,17 @@ public:
///
virtual void ApplyToFields(DIVisitor *Visitor);
/// TypeString - Return a string used to compose globalnames and labels.
/// getDescString - Return a string used to compose global names and labels.
///
virtual const char *TypeString() const;
virtual const char *getDescString() const;
/// getTypeString - Return a string used to label this descriptor's type.
///
virtual const char *getTypeString() const;
/// getAnchorString - Return a string used to label this descriptor's anchor.
///
virtual const char *getAnchorString() const;
#ifndef NDEBUG
virtual void dump();
@@ -199,42 +282,49 @@ public:
};
//===----------------------------------------------------------------------===//
/// GlobalVariableDesc - This class packages debug information associated with a
/// GlobalVariable.
class GlobalVariableDesc : public DebugInfoDesc {
/// GlobalDesc - This class is the base descriptor for global functions and
/// variables.
class GlobalDesc : public AnchoredDesc {
private:
DebugInfoDesc *Context; // Context debug descriptor.
std::string Name; // Global name.
GlobalVariable *TransUnit; // Translation unit - ignored.
// FIXME - Use a descriptor.
GlobalVariable *TyDesc; // Type debug descriptor.
bool IsStatic; // Is the global a static.
bool IsDefinition; // Is the global defined in context.
GlobalVariable *Global; // llvm global.
protected:
GlobalDesc(unsigned T);
public:
GlobalVariableDesc()
: DebugInfoDesc(DI_TAG_global_variable)
, Context(0)
, Name("")
, TransUnit(NULL)
, TyDesc(NULL)
, IsStatic(false)
, IsDefinition(false)
, Global(NULL)
{}
// Accessors
DebugInfoDesc *getContext() const { return Context; }
const std::string &getName() const { return Name; }
bool isStatic() const { return IsStatic; }
bool isDefinition() const { return IsDefinition; }
GlobalVariable *getGlobalVariable() const { return Global; }
void setContext(DebugInfoDesc *C) { Context = C; }
void setName(const std::string &N) { Name = N; }
void setIsStatic(bool IS) { IsStatic = IS; }
void setIsDefinition(bool ID) { IsDefinition = ID; }
/// ApplyToFields - Target the visitor to the fields of the GlobalDesc.
///
virtual void ApplyToFields(DIVisitor *Visitor);
};
//===----------------------------------------------------------------------===//
/// GlobalVariableDesc - This class packages debug information associated with a
/// GlobalVariable.
class GlobalVariableDesc : public GlobalDesc {
private:
GlobalVariable *Global; // llvm global.
public:
GlobalVariableDesc();
// Accessors.
GlobalVariable *getGlobalVariable() const { return Global; }
void setGlobalVariable(GlobalVariable *GV) { Global = GV; }
// FIXME - Other getters/setters.
// Implement isa/cast/dyncast.
static bool classof(const GlobalVariableDesc *) { return true; }
@@ -246,10 +336,18 @@ public:
/// GlobalVariableDesc.
virtual void ApplyToFields(DIVisitor *Visitor);
/// TypeString - Return a string used to compose globalnames and labels.
/// getDescString - Return a string used to compose global names and labels.
///
virtual const char *TypeString() const;
virtual const char *getDescString() const;
/// getTypeString - Return a string used to label this descriptor's type.
///
virtual const char *getTypeString() const;
/// getAnchorString - Return a string used to label this descriptor's anchor.
///
virtual const char *getAnchorString() const;
#ifndef NDEBUG
virtual void dump();
#endif
@@ -258,32 +356,24 @@ public:
//===----------------------------------------------------------------------===//
/// SubprogramDesc - This class packages debug information associated with a
/// subprogram/function.
class SubprogramDesc : public DebugInfoDesc {
class SubprogramDesc : public GlobalDesc {
private:
DebugInfoDesc *Context; // Context debug descriptor.
std::string Name; // Subprogram name.
GlobalVariable *TransUnit; // Translation unit - ignored.
// FIXME - Use a descriptor.
GlobalVariable *TyDesc; // Type debug descriptor.
bool IsStatic; // Is the subprogram a static.
bool IsDefinition; // Is the subprogram defined in context.
public:
SubprogramDesc()
: DebugInfoDesc(DI_TAG_subprogram)
, Context(0)
, Name("")
, TransUnit(NULL)
, TyDesc(NULL)
, IsStatic(false)
, IsDefinition(false)
{}
SubprogramDesc();
// Accessors
DebugInfoDesc *getContext() const { return Context; }
const std::string &getName() const { return Name; }
bool isStatic() const { return IsStatic; }
bool isDefinition() const { return IsDefinition; }
void setContext(DebugInfoDesc *C) { Context = C; }
void setName(const std::string &N) { Name = N; }
void setIsStatic(bool IS) { IsStatic = IS; }
void setIsDefinition(bool ID) { IsDefinition = ID; }
@@ -299,10 +389,18 @@ public:
///
virtual void ApplyToFields(DIVisitor *Visitor);
/// TypeString - Return a string used to compose globalnames and labels.
/// getDescString - Return a string used to compose global names and labels.
///
virtual const char *TypeString() const;
virtual const char *getDescString() const;
/// getTypeString - Return a string used to label this descriptor's type.
///
virtual const char *getTypeString() const;
/// getAnchorString - Return a string used to label this descriptor's anchor.
///
virtual const char *getAnchorString() const;
#ifndef NDEBUG
virtual void dump();
#endif
@@ -313,18 +411,15 @@ public:
/// into DebugInfoDesc objects.
class DIDeserializer {
private:
Module *M; // Definition space module.
unsigned DebugVersion; // Version of debug information in use.
std::map<GlobalVariable *, DebugInfoDesc *> GlobalDescs;
// Previously defined gloabls.
public:
DIDeserializer() : M(NULL), DebugVersion(LLVMDebugVersion) {}
DIDeserializer() : DebugVersion(LLVMDebugVersion) {}
~DIDeserializer() {}
// Accessors
Module *getModule() const { return M; };
void setModule(Module *module) { M = module; }
unsigned getDebugVersion() const { return DebugVersion; }
/// Deserialize - Reconstitute a GlobalVariable into it's component
@@ -345,10 +440,18 @@ private:
// Types per Tag. Created lazily.
std::map<DebugInfoDesc *, GlobalVariable *> DescGlobals;
// Previously defined descriptors.
std::map<const std::string, GlobalVariable*> StringCache;
std::map<const std::string, Constant *> StringCache;
// Previously defined strings.
public:
DISerializer() : M(NULL) {}
DISerializer()
: M(NULL)
, StrPtrTy(NULL)
, EmptyStructPtrTy(NULL)
, TagTypes()
, DescGlobals()
, StringCache()
{}
~DISerializer() {}
// Accessors
@@ -369,7 +472,7 @@ public:
/// getString - Construct the string as constant string global.
///
GlobalVariable *getString(const std::string &String);
Constant *getString(const std::string &String);
/// Serialize - Recursively cast the specified descriptor into a
/// GlobalVariable so that it can be serialized to a .bc or .ll file.
@@ -395,6 +498,7 @@ public:
/// Verify - Return true if the GlobalVariable appears to be a valid
/// serialization of a DebugInfoDesc.
bool Verify(Value *V);
bool Verify(GlobalVariable *GV);
};
@@ -454,9 +558,7 @@ public:
class MachineDebugInfo : public ImmutablePass {
private:
// Use the same serializer/deserializer/verifier for the module.
DISerializer SR;
DIDeserializer DR;
DIVerifier VR;
// CompileUnits - Uniquing vector for compile units.
UniqueVector<CompileUnitDesc *> CompileUnits;
@@ -482,6 +584,14 @@ public:
///
bool doFinalization();
/// Deserialize - Convert a Value to a debug information descriptor.
///
DebugInfoDesc *Deserialize(Value *V);
/// Verify - Verify that a Value is debug information descriptor.
///
bool Verify(Value *V);
/// AnalyzeModule - Scan the module for global debug information.
///
void AnalyzeModule(Module &M);