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-rw-r--r--include/llvm/Analysis/DebugInfo.h928
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diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h
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--- a/include/llvm/Analysis/DebugInfo.h
+++ /dev/null
@@ -1,928 +0,0 @@
-//===--- llvm/Analysis/DebugInfo.h - Debug Information Helpers --*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines a bunch of datatypes that are useful for creating and
-// walking debug info in LLVM IR form. They essentially provide wrappers around
-// the information in the global variables that's needed when constructing the
-// DWARF information.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_ANALYSIS_DEBUGINFO_H
-#define LLVM_ANALYSIS_DEBUGINFO_H
-
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Support/Dwarf.h"
-
-namespace llvm {
- class BasicBlock;
- class Constant;
- class Function;
- class GlobalVariable;
- class Module;
- class Type;
- class Value;
- class DbgDeclareInst;
- class Instruction;
- class MDNode;
- class NamedMDNode;
- class LLVMContext;
- class raw_ostream;
-
- class DIFile;
- class DISubprogram;
- class DILexicalBlock;
- class DILexicalBlockFile;
- class DIVariable;
- class DIType;
- class DIObjCProperty;
-
- /// DIDescriptor - A thin wraper around MDNode to access encoded debug info.
- /// This should not be stored in a container, because underly MDNode may
- /// change in certain situations.
- class DIDescriptor {
- public:
- enum {
- FlagPrivate = 1 << 0,
- FlagProtected = 1 << 1,
- FlagFwdDecl = 1 << 2,
- FlagAppleBlock = 1 << 3,
- FlagBlockByrefStruct = 1 << 4,
- FlagVirtual = 1 << 5,
- FlagArtificial = 1 << 6,
- FlagExplicit = 1 << 7,
- FlagPrototyped = 1 << 8,
- FlagObjcClassComplete = 1 << 9
- };
- protected:
- const MDNode *DbgNode;
-
- StringRef getStringField(unsigned Elt) const;
- unsigned getUnsignedField(unsigned Elt) const {
- return (unsigned)getUInt64Field(Elt);
- }
- uint64_t getUInt64Field(unsigned Elt) const;
- DIDescriptor getDescriptorField(unsigned Elt) const;
-
- template <typename DescTy>
- DescTy getFieldAs(unsigned Elt) const {
- return DescTy(getDescriptorField(Elt));
- }
-
- GlobalVariable *getGlobalVariableField(unsigned Elt) const;
- Constant *getConstantField(unsigned Elt) const;
- Function *getFunctionField(unsigned Elt) const;
-
- public:
- explicit DIDescriptor() : DbgNode(0) {}
- explicit DIDescriptor(const MDNode *N) : DbgNode(N) {}
- explicit DIDescriptor(const DIFile F);
- explicit DIDescriptor(const DISubprogram F);
- explicit DIDescriptor(const DILexicalBlockFile F);
- explicit DIDescriptor(const DILexicalBlock F);
- explicit DIDescriptor(const DIVariable F);
- explicit DIDescriptor(const DIType F);
-
- bool Verify() const { return DbgNode != 0; }
-
- operator MDNode *() const { return const_cast<MDNode*>(DbgNode); }
- MDNode *operator ->() const { return const_cast<MDNode*>(DbgNode); }
-
- unsigned getVersion() const {
- return getUnsignedField(0) & LLVMDebugVersionMask;
- }
-
- unsigned getTag() const {
- return getUnsignedField(0) & ~LLVMDebugVersionMask;
- }
-
- /// print - print descriptor.
- void print(raw_ostream &OS) const;
-
- /// dump - print descriptor to dbgs() with a newline.
- void dump() const;
-
- bool isDerivedType() const;
- bool isCompositeType() const;
- bool isBasicType() const;
- bool isVariable() const;
- bool isSubprogram() const;
- bool isGlobalVariable() const;
- bool isScope() const;
- bool isFile() const;
- bool isCompileUnit() const;
- bool isNameSpace() const;
- bool isLexicalBlockFile() const;
- bool isLexicalBlock() const;
- bool isSubrange() const;
- bool isEnumerator() const;
- bool isType() const;
- bool isGlobal() const;
- bool isUnspecifiedParameter() const;
- bool isTemplateTypeParameter() const;
- bool isTemplateValueParameter() const;
- bool isObjCProperty() const;
- };
-
- /// DISubrange - This is used to represent ranges, for array bounds.
- class DISubrange : public DIDescriptor {
- public:
- explicit DISubrange(const MDNode *N = 0) : DIDescriptor(N) {}
-
- uint64_t getLo() const { return getUInt64Field(1); }
- uint64_t getHi() const { return getUInt64Field(2); }
- };
-
- /// DIArray - This descriptor holds an array of descriptors.
- class DIArray : public DIDescriptor {
- public:
- explicit DIArray(const MDNode *N = 0)
- : DIDescriptor(N) {}
-
- unsigned getNumElements() const;
- DIDescriptor getElement(unsigned Idx) const {
- return getDescriptorField(Idx);
- }
- };
-
- /// DIScope - A base class for various scopes.
- class DIScope : public DIDescriptor {
- virtual void anchor();
- public:
- explicit DIScope(const MDNode *N = 0) : DIDescriptor (N) {}
- virtual ~DIScope() {}
-
- StringRef getFilename() const;
- StringRef getDirectory() const;
- };
-
- /// DICompileUnit - A wrapper for a compile unit.
- class DICompileUnit : public DIScope {
- virtual void anchor();
- public:
- explicit DICompileUnit(const MDNode *N = 0) : DIScope(N) {}
-
- unsigned getLanguage() const { return getUnsignedField(2); }
- StringRef getFilename() const { return getStringField(3); }
- StringRef getDirectory() const { return getStringField(4); }
- StringRef getProducer() const { return getStringField(5); }
-
- /// isMain - Each input file is encoded as a separate compile unit in LLVM
- /// debugging information output. However, many target specific tool chains
- /// prefer to encode only one compile unit in an object file. In this
- /// situation, the LLVM code generator will include debugging information
- /// entities in the compile unit that is marked as main compile unit. The
- /// code generator accepts maximum one main compile unit per module. If a
- /// module does not contain any main compile unit then the code generator
- /// will emit multiple compile units in the output object file.
-
- bool isMain() const { return getUnsignedField(6) != 0; }
- bool isOptimized() const { return getUnsignedField(7) != 0; }
- StringRef getFlags() const { return getStringField(8); }
- unsigned getRunTimeVersion() const { return getUnsignedField(9); }
-
- DIArray getEnumTypes() const;
- DIArray getRetainedTypes() const;
- DIArray getSubprograms() const;
- DIArray getGlobalVariables() const;
-
- /// Verify - Verify that a compile unit is well formed.
- bool Verify() const;
-
- /// print - print compile unit.
- void print(raw_ostream &OS) const;
-
- /// dump - print compile unit to dbgs() with a newline.
- void dump() const;
- };
-
- /// DIFile - This is a wrapper for a file.
- class DIFile : public DIScope {
- virtual void anchor();
- public:
- explicit DIFile(const MDNode *N = 0) : DIScope(N) {
- if (DbgNode && !isFile())
- DbgNode = 0;
- }
- StringRef getFilename() const { return getStringField(1); }
- StringRef getDirectory() const { return getStringField(2); }
- DICompileUnit getCompileUnit() const{
- assert (getVersion() <= LLVMDebugVersion10 && "Invalid CompileUnit!");
- return getFieldAs<DICompileUnit>(3);
- }
- };
-
- /// DIEnumerator - A wrapper for an enumerator (e.g. X and Y in 'enum {X,Y}').
- /// FIXME: it seems strange that this doesn't have either a reference to the
- /// type/precision or a file/line pair for location info.
- class DIEnumerator : public DIDescriptor {
- public:
- explicit DIEnumerator(const MDNode *N = 0) : DIDescriptor(N) {}
-
- StringRef getName() const { return getStringField(1); }
- uint64_t getEnumValue() const { return getUInt64Field(2); }
- };
-
- /// DIType - This is a wrapper for a type.
- /// FIXME: Types should be factored much better so that CV qualifiers and
- /// others do not require a huge and empty descriptor full of zeros.
- class DIType : public DIScope {
- virtual void anchor();
- protected:
- // This ctor is used when the Tag has already been validated by a derived
- // ctor.
- DIType(const MDNode *N, bool, bool) : DIScope(N) {}
-
- public:
-
- /// Verify - Verify that a type descriptor is well formed.
- bool Verify() const;
- explicit DIType(const MDNode *N);
- explicit DIType() {}
- virtual ~DIType() {}
-
- DIScope getContext() const { return getFieldAs<DIScope>(1); }
- StringRef getName() const { return getStringField(2); }
- DICompileUnit getCompileUnit() const{
- assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getFieldAs<DICompileUnit>(3);
-
- return getFieldAs<DIFile>(3).getCompileUnit();
- }
- DIFile getFile() const { return getFieldAs<DIFile>(3); }
- unsigned getLineNumber() const { return getUnsignedField(4); }
- uint64_t getSizeInBits() const { return getUInt64Field(5); }
- uint64_t getAlignInBits() const { return getUInt64Field(6); }
- // FIXME: Offset is only used for DW_TAG_member nodes. Making every type
- // carry this is just plain insane.
- uint64_t getOffsetInBits() const { return getUInt64Field(7); }
- unsigned getFlags() const { return getUnsignedField(8); }
- bool isPrivate() const {
- return (getFlags() & FlagPrivate) != 0;
- }
- bool isProtected() const {
- return (getFlags() & FlagProtected) != 0;
- }
- bool isForwardDecl() const {
- return (getFlags() & FlagFwdDecl) != 0;
- }
- // isAppleBlock - Return true if this is the Apple Blocks extension.
- bool isAppleBlockExtension() const {
- return (getFlags() & FlagAppleBlock) != 0;
- }
- bool isBlockByrefStruct() const {
- return (getFlags() & FlagBlockByrefStruct) != 0;
- }
- bool isVirtual() const {
- return (getFlags() & FlagVirtual) != 0;
- }
- bool isArtificial() const {
- return (getFlags() & FlagArtificial) != 0;
- }
- bool isObjcClassComplete() const {
- return (getFlags() & FlagObjcClassComplete) != 0;
- }
- bool isValid() const {
- return DbgNode && (isBasicType() || isDerivedType() || isCompositeType());
- }
- StringRef getDirectory() const {
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getCompileUnit().getDirectory();
-
- return getFieldAs<DIFile>(3).getDirectory();
- }
- StringRef getFilename() const {
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getCompileUnit().getFilename();
-
- return getFieldAs<DIFile>(3).getFilename();
- }
-
- /// isUnsignedDIType - Return true if type encoding is unsigned.
- bool isUnsignedDIType();
-
- /// replaceAllUsesWith - Replace all uses of debug info referenced by
- /// this descriptor.
- void replaceAllUsesWith(DIDescriptor &D);
- void replaceAllUsesWith(MDNode *D);
-
- /// print - print type.
- void print(raw_ostream &OS) const;
-
- /// dump - print type to dbgs() with a newline.
- void dump() const;
- };
-
- /// DIBasicType - A basic type, like 'int' or 'float'.
- class DIBasicType : public DIType {
- virtual void anchor();
- public:
- explicit DIBasicType(const MDNode *N = 0) : DIType(N) {}
-
- unsigned getEncoding() const { return getUnsignedField(9); }
-
- /// Verify - Verify that a basic type descriptor is well formed.
- bool Verify() const;
-
- /// print - print basic type.
- void print(raw_ostream &OS) const;
-
- /// dump - print basic type to dbgs() with a newline.
- void dump() const;
- };
-
- /// DIDerivedType - A simple derived type, like a const qualified type,
- /// a typedef, a pointer or reference, etc.
- class DIDerivedType : public DIType {
- virtual void anchor();
- protected:
- explicit DIDerivedType(const MDNode *N, bool, bool)
- : DIType(N, true, true) {}
- public:
- explicit DIDerivedType(const MDNode *N = 0)
- : DIType(N, true, true) {}
-
- DIType getTypeDerivedFrom() const { return getFieldAs<DIType>(9); }
-
- /// getOriginalTypeSize - If this type is derived from a base type then
- /// return base type size.
- uint64_t getOriginalTypeSize() const;
-
- /// getObjCProperty - Return property node, if this ivar is
- /// associated with one.
- MDNode *getObjCProperty() const;
-
- StringRef getObjCPropertyName() const {
- if (getVersion() > LLVMDebugVersion11)
- return StringRef();
- return getStringField(10);
- }
- StringRef getObjCPropertyGetterName() const {
- assert (getVersion() <= LLVMDebugVersion11 && "Invalid Request");
- return getStringField(11);
- }
- StringRef getObjCPropertySetterName() const {
- assert (getVersion() <= LLVMDebugVersion11 && "Invalid Request");
- return getStringField(12);
- }
- bool isReadOnlyObjCProperty() {
- assert (getVersion() <= LLVMDebugVersion11 && "Invalid Request");
- return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_readonly) != 0;
- }
- bool isReadWriteObjCProperty() {
- assert (getVersion() <= LLVMDebugVersion11 && "Invalid Request");
- return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_readwrite) != 0;
- }
- bool isAssignObjCProperty() {
- assert (getVersion() <= LLVMDebugVersion11 && "Invalid Request");
- return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_assign) != 0;
- }
- bool isRetainObjCProperty() {
- assert (getVersion() <= LLVMDebugVersion11 && "Invalid Request");
- return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_retain) != 0;
- }
- bool isCopyObjCProperty() {
- assert (getVersion() <= LLVMDebugVersion11 && "Invalid Request");
- return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_copy) != 0;
- }
- bool isNonAtomicObjCProperty() {
- assert (getVersion() <= LLVMDebugVersion11 && "Invalid Request");
- return (getUnsignedField(13) & dwarf::DW_APPLE_PROPERTY_nonatomic) != 0;
- }
-
- /// Verify - Verify that a derived type descriptor is well formed.
- bool Verify() const;
-
- /// print - print derived type.
- void print(raw_ostream &OS) const;
-
- /// dump - print derived type to dbgs() with a newline.
- void dump() const;
- };
-
- /// DICompositeType - This descriptor holds a type that can refer to multiple
- /// other types, like a function or struct.
- /// FIXME: Why is this a DIDerivedType??
- class DICompositeType : public DIDerivedType {
- virtual void anchor();
- public:
- explicit DICompositeType(const MDNode *N = 0)
- : DIDerivedType(N, true, true) {
- if (N && !isCompositeType())
- DbgNode = 0;
- }
-
- DIArray getTypeArray() const { return getFieldAs<DIArray>(10); }
- unsigned getRunTimeLang() const { return getUnsignedField(11); }
- DICompositeType getContainingType() const {
- return getFieldAs<DICompositeType>(12);
- }
- DIArray getTemplateParams() const { return getFieldAs<DIArray>(13); }
-
- /// Verify - Verify that a composite type descriptor is well formed.
- bool Verify() const;
-
- /// print - print composite type.
- void print(raw_ostream &OS) const;
-
- /// dump - print composite type to dbgs() with a newline.
- void dump() const;
- };
-
- /// DITemplateTypeParameter - This is a wrapper for template type parameter.
- class DITemplateTypeParameter : public DIDescriptor {
- public:
- explicit DITemplateTypeParameter(const MDNode *N = 0) : DIDescriptor(N) {}
-
- DIScope getContext() const { return getFieldAs<DIScope>(1); }
- StringRef getName() const { return getStringField(2); }
- DIType getType() const { return getFieldAs<DIType>(3); }
- StringRef getFilename() const {
- return getFieldAs<DIFile>(4).getFilename();
- }
- StringRef getDirectory() const {
- return getFieldAs<DIFile>(4).getDirectory();
- }
- unsigned getLineNumber() const { return getUnsignedField(5); }
- unsigned getColumnNumber() const { return getUnsignedField(6); }
- };
-
- /// DITemplateValueParameter - This is a wrapper for template value parameter.
- class DITemplateValueParameter : public DIDescriptor {
- public:
- explicit DITemplateValueParameter(const MDNode *N = 0) : DIDescriptor(N) {}
-
- DIScope getContext() const { return getFieldAs<DIScope>(1); }
- StringRef getName() const { return getStringField(2); }
- DIType getType() const { return getFieldAs<DIType>(3); }
- uint64_t getValue() const { return getUInt64Field(4); }
- StringRef getFilename() const {
- return getFieldAs<DIFile>(5).getFilename();
- }
- StringRef getDirectory() const {
- return getFieldAs<DIFile>(5).getDirectory();
- }
- unsigned getLineNumber() const { return getUnsignedField(6); }
- unsigned getColumnNumber() const { return getUnsignedField(7); }
- };
-
- /// DISubprogram - This is a wrapper for a subprogram (e.g. a function).
- class DISubprogram : public DIScope {
- virtual void anchor();
- public:
- explicit DISubprogram(const MDNode *N = 0) : DIScope(N) {}
-
- DIScope getContext() const { return getFieldAs<DIScope>(2); }
- StringRef getName() const { return getStringField(3); }
- StringRef getDisplayName() const { return getStringField(4); }
- StringRef getLinkageName() const { return getStringField(5); }
- DICompileUnit getCompileUnit() const{
- assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getFieldAs<DICompileUnit>(6);
-
- return getFieldAs<DIFile>(6).getCompileUnit();
- }
- unsigned getLineNumber() const { return getUnsignedField(7); }
- DICompositeType getType() const { return getFieldAs<DICompositeType>(8); }
-
- /// getReturnTypeName - Subprogram return types are encoded either as
- /// DIType or as DICompositeType.
- StringRef getReturnTypeName() const {
- DICompositeType DCT(getFieldAs<DICompositeType>(8));
- if (DCT.Verify()) {
- DIArray A = DCT.getTypeArray();
- DIType T(A.getElement(0));
- return T.getName();
- }
- DIType T(getFieldAs<DIType>(8));
- return T.getName();
- }
-
- /// isLocalToUnit - Return true if this subprogram is local to the current
- /// compile unit, like 'static' in C.
- unsigned isLocalToUnit() const { return getUnsignedField(9); }
- unsigned isDefinition() const { return getUnsignedField(10); }
-
- unsigned getVirtuality() const { return getUnsignedField(11); }
- unsigned getVirtualIndex() const { return getUnsignedField(12); }
-
- DICompositeType getContainingType() const {
- return getFieldAs<DICompositeType>(13);
- }
-
- unsigned isArtificial() const {
- if (getVersion() <= llvm::LLVMDebugVersion8)
- return getUnsignedField(14);
- return (getUnsignedField(14) & FlagArtificial) != 0;
- }
- /// isPrivate - Return true if this subprogram has "private"
- /// access specifier.
- bool isPrivate() const {
- if (getVersion() <= llvm::LLVMDebugVersion8)
- return false;
- return (getUnsignedField(14) & FlagPrivate) != 0;
- }
- /// isProtected - Return true if this subprogram has "protected"
- /// access specifier.
- bool isProtected() const {
- if (getVersion() <= llvm::LLVMDebugVersion8)
- return false;
- return (getUnsignedField(14) & FlagProtected) != 0;
- }
- /// isExplicit - Return true if this subprogram is marked as explicit.
- bool isExplicit() const {
- if (getVersion() <= llvm::LLVMDebugVersion8)
- return false;
- return (getUnsignedField(14) & FlagExplicit) != 0;
- }
- /// isPrototyped - Return true if this subprogram is prototyped.
- bool isPrototyped() const {
- if (getVersion() <= llvm::LLVMDebugVersion8)
- return false;
- return (getUnsignedField(14) & FlagPrototyped) != 0;
- }
-
- unsigned isOptimized() const;
-
- StringRef getFilename() const {
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getCompileUnit().getFilename();
-
- return getFieldAs<DIFile>(6).getFilename();
- }
-
- StringRef getDirectory() const {
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getCompileUnit().getFilename();
-
- return getFieldAs<DIFile>(6).getDirectory();
- }
-
- /// getScopeLineNumber - Get the beginning of the scope of the
- /// function, not necessarily where the name of the program
- /// starts.
- unsigned getScopeLineNumber() const { return getUnsignedField(20); }
-
- /// Verify - Verify that a subprogram descriptor is well formed.
- bool Verify() const;
-
- /// print - print subprogram.
- void print(raw_ostream &OS) const;
-
- /// dump - print subprogram to dbgs() with a newline.
- void dump() const;
-
- /// describes - Return true if this subprogram provides debugging
- /// information for the function F.
- bool describes(const Function *F);
-
- Function *getFunction() const { return getFunctionField(16); }
- DIArray getTemplateParams() const { return getFieldAs<DIArray>(17); }
- DISubprogram getFunctionDeclaration() const {
- return getFieldAs<DISubprogram>(18);
- }
- MDNode *getVariablesNodes() const;
- DIArray getVariables() const;
- };
-
- /// DIGlobalVariable - This is a wrapper for a global variable.
- class DIGlobalVariable : public DIDescriptor {
- public:
- explicit DIGlobalVariable(const MDNode *N = 0) : DIDescriptor(N) {}
-
- DIScope getContext() const { return getFieldAs<DIScope>(2); }
- StringRef getName() const { return getStringField(3); }
- StringRef getDisplayName() const { return getStringField(4); }
- StringRef getLinkageName() const { return getStringField(5); }
- DICompileUnit getCompileUnit() const{
- assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getFieldAs<DICompileUnit>(6);
-
- DIFile F = getFieldAs<DIFile>(6);
- return F.getCompileUnit();
- }
- StringRef getFilename() const {
- if (getVersion() <= llvm::LLVMDebugVersion10)
- return getContext().getFilename();
- return getFieldAs<DIFile>(6).getFilename();
- }
- StringRef getDirectory() const {
- if (getVersion() <= llvm::LLVMDebugVersion10)
- return getContext().getDirectory();
- return getFieldAs<DIFile>(6).getDirectory();
-
- }
-
- unsigned getLineNumber() const { return getUnsignedField(7); }
- DIType getType() const { return getFieldAs<DIType>(8); }
- unsigned isLocalToUnit() const { return getUnsignedField(9); }
- unsigned isDefinition() const { return getUnsignedField(10); }
-
- GlobalVariable *getGlobal() const { return getGlobalVariableField(11); }
- Constant *getConstant() const { return getConstantField(11); }
-
- /// Verify - Verify that a global variable descriptor is well formed.
- bool Verify() const;
-
- /// print - print global variable.
- void print(raw_ostream &OS) const;
-
- /// dump - print global variable to dbgs() with a newline.
- void dump() const;
- };
-
- /// DIVariable - This is a wrapper for a variable (e.g. parameter, local,
- /// global etc).
- class DIVariable : public DIDescriptor {
- public:
- explicit DIVariable(const MDNode *N = 0)
- : DIDescriptor(N) {}
-
- DIScope getContext() const { return getFieldAs<DIScope>(1); }
- StringRef getName() const { return getStringField(2); }
- DICompileUnit getCompileUnit() const {
- assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getFieldAs<DICompileUnit>(3);
-
- DIFile F = getFieldAs<DIFile>(3);
- return F.getCompileUnit();
- }
- unsigned getLineNumber() const {
- return (getUnsignedField(4) << 8) >> 8;
- }
- unsigned getArgNumber() const {
- unsigned L = getUnsignedField(4);
- return L >> 24;
- }
- DIType getType() const { return getFieldAs<DIType>(5); }
-
- /// isArtificial - Return true if this variable is marked as "artificial".
- bool isArtificial() const {
- if (getVersion() <= llvm::LLVMDebugVersion8)
- return false;
- return (getUnsignedField(6) & FlagArtificial) != 0;
- }
-
- /// getInlinedAt - If this variable is inlined then return inline location.
- MDNode *getInlinedAt() const;
-
- /// Verify - Verify that a variable descriptor is well formed.
- bool Verify() const;
-
- /// HasComplexAddr - Return true if the variable has a complex address.
- bool hasComplexAddress() const {
- return getNumAddrElements() > 0;
- }
-
- unsigned getNumAddrElements() const;
-
- uint64_t getAddrElement(unsigned Idx) const {
- if (getVersion() <= llvm::LLVMDebugVersion8)
- return getUInt64Field(Idx+6);
- if (getVersion() == llvm::LLVMDebugVersion9)
- return getUInt64Field(Idx+7);
- return getUInt64Field(Idx+8);
- }
-
- /// isBlockByrefVariable - Return true if the variable was declared as
- /// a "__block" variable (Apple Blocks).
- bool isBlockByrefVariable() const {
- return getType().isBlockByrefStruct();
- }
-
- /// isInlinedFnArgument - Return trule if this variable provides debugging
- /// information for an inlined function arguments.
- bool isInlinedFnArgument(const Function *CurFn);
-
- /// print - print variable.
- void print(raw_ostream &OS) const;
-
- void printExtendedName(raw_ostream &OS) const;
-
- /// dump - print variable to dbgs() with a newline.
- void dump() const;
- };
-
- /// DILexicalBlock - This is a wrapper for a lexical block.
- class DILexicalBlock : public DIScope {
- virtual void anchor();
- public:
- explicit DILexicalBlock(const MDNode *N = 0) : DIScope(N) {}
- DIScope getContext() const { return getFieldAs<DIScope>(1); }
- unsigned getLineNumber() const { return getUnsignedField(2); }
- unsigned getColumnNumber() const { return getUnsignedField(3); }
- StringRef getDirectory() const {
- StringRef dir = getFieldAs<DIFile>(4).getDirectory();
- return !dir.empty() ? dir : getContext().getDirectory();
- }
- StringRef getFilename() const {
- StringRef filename = getFieldAs<DIFile>(4).getFilename();
- return !filename.empty() ? filename : getContext().getFilename();
- }
- };
-
- /// DILexicalBlockFile - This is a wrapper for a lexical block with
- /// a filename change.
- class DILexicalBlockFile : public DIScope {
- virtual void anchor();
- public:
- explicit DILexicalBlockFile(const MDNode *N = 0) : DIScope(N) {}
- DIScope getContext() const { return getScope().getContext(); }
- unsigned getLineNumber() const { return getScope().getLineNumber(); }
- unsigned getColumnNumber() const { return getScope().getColumnNumber(); }
- StringRef getDirectory() const {
- StringRef dir = getFieldAs<DIFile>(2).getDirectory();
- return !dir.empty() ? dir : getContext().getDirectory();
- }
- StringRef getFilename() const {
- StringRef filename = getFieldAs<DIFile>(2).getFilename();
- assert(!filename.empty() && "Why'd you create this then?");
- return filename;
- }
- DILexicalBlock getScope() const { return getFieldAs<DILexicalBlock>(1); }
- };
-
- /// DINameSpace - A wrapper for a C++ style name space.
- class DINameSpace : public DIScope {
- virtual void anchor();
- public:
- explicit DINameSpace(const MDNode *N = 0) : DIScope(N) {}
- DIScope getContext() const { return getFieldAs<DIScope>(1); }
- StringRef getName() const { return getStringField(2); }
- StringRef getDirectory() const {
- return getFieldAs<DIFile>(3).getDirectory();
- }
- StringRef getFilename() const {
- return getFieldAs<DIFile>(3).getFilename();
- }
- DICompileUnit getCompileUnit() const{
- assert (getVersion() <= LLVMDebugVersion10 && "Invalid getCompileUnit!");
- if (getVersion() == llvm::LLVMDebugVersion7)
- return getFieldAs<DICompileUnit>(3);
-
- return getFieldAs<DIFile>(3).getCompileUnit();
- }
- unsigned getLineNumber() const { return getUnsignedField(4); }
- bool Verify() const;
- };
-
- /// DILocation - This object holds location information. This object
- /// is not associated with any DWARF tag.
- class DILocation : public DIDescriptor {
- public:
- explicit DILocation(const MDNode *N) : DIDescriptor(N) { }
-
- unsigned getLineNumber() const { return getUnsignedField(0); }
- unsigned getColumnNumber() const { return getUnsignedField(1); }
- DIScope getScope() const { return getFieldAs<DIScope>(2); }
- DILocation getOrigLocation() const { return getFieldAs<DILocation>(3); }
- StringRef getFilename() const { return getScope().getFilename(); }
- StringRef getDirectory() const { return getScope().getDirectory(); }
- bool Verify() const;
- };
-
- class DIObjCProperty : public DIDescriptor {
- public:
- explicit DIObjCProperty(const MDNode *N) : DIDescriptor(N) { }
-
- StringRef getObjCPropertyName() const { return getStringField(1); }
- DIFile getFile() const { return getFieldAs<DIFile>(2); }
- unsigned getLineNumber() const { return getUnsignedField(3); }
-
- StringRef getObjCPropertyGetterName() const {
- return getStringField(4);
- }
- StringRef getObjCPropertySetterName() const {
- return getStringField(5);
- }
- bool isReadOnlyObjCProperty() {
- return (getUnsignedField(6) & dwarf::DW_APPLE_PROPERTY_readonly) != 0;
- }
- bool isReadWriteObjCProperty() {
- return (getUnsignedField(6) & dwarf::DW_APPLE_PROPERTY_readwrite) != 0;
- }
- bool isAssignObjCProperty() {
- return (getUnsignedField(6) & dwarf::DW_APPLE_PROPERTY_assign) != 0;
- }
- bool isRetainObjCProperty() {
- return (getUnsignedField(6) & dwarf::DW_APPLE_PROPERTY_retain) != 0;
- }
- bool isCopyObjCProperty() {
- return (getUnsignedField(6) & dwarf::DW_APPLE_PROPERTY_copy) != 0;
- }
- bool isNonAtomicObjCProperty() {
- return (getUnsignedField(6) & dwarf::DW_APPLE_PROPERTY_nonatomic) != 0;
- }
-
- DIType getType() const { return getFieldAs<DIType>(7); }
-
- /// Verify - Verify that a derived type descriptor is well formed.
- bool Verify() const;
-
- /// print - print derived type.
- void print(raw_ostream &OS) const;
-
- /// dump - print derived type to dbgs() with a newline.
- void dump() const;
- };
-
- /// getDISubprogram - Find subprogram that is enclosing this scope.
- DISubprogram getDISubprogram(const MDNode *Scope);
-
- /// getDICompositeType - Find underlying composite type.
- DICompositeType getDICompositeType(DIType T);
-
- /// isSubprogramContext - Return true if Context is either a subprogram
- /// or another context nested inside a subprogram.
- bool isSubprogramContext(const MDNode *Context);
-
- /// getOrInsertFnSpecificMDNode - Return a NameMDNode that is suitable
- /// to hold function specific information.
- NamedMDNode *getOrInsertFnSpecificMDNode(Module &M, DISubprogram SP);
-
- /// getFnSpecificMDNode - Return a NameMDNode, if available, that is
- /// suitable to hold function specific information.
- NamedMDNode *getFnSpecificMDNode(const Module &M, DISubprogram SP);
-
- /// createInlinedVariable - Create a new inlined variable based on current
- /// variable.
- /// @param DV Current Variable.
- /// @param InlinedScope Location at current variable is inlined.
- DIVariable createInlinedVariable(MDNode *DV, MDNode *InlinedScope,
- LLVMContext &VMContext);
-
- /// cleanseInlinedVariable - Remove inlined scope from the variable.
- DIVariable cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext);
-
- class DebugInfoFinder {
- public:
- /// processModule - Process entire module and collect debug info
- /// anchors.
- void processModule(Module &M);
-
- private:
- /// processType - Process DIType.
- void processType(DIType DT);
-
- /// processLexicalBlock - Process DILexicalBlock.
- void processLexicalBlock(DILexicalBlock LB);
-
- /// processSubprogram - Process DISubprogram.
- void processSubprogram(DISubprogram SP);
-
- /// processDeclare - Process DbgDeclareInst.
- void processDeclare(DbgDeclareInst *DDI);
-
- /// processLocation - Process DILocation.
- void processLocation(DILocation Loc);
-
- /// addCompileUnit - Add compile unit into CUs.
- bool addCompileUnit(DICompileUnit CU);
-
- /// addGlobalVariable - Add global variable into GVs.
- bool addGlobalVariable(DIGlobalVariable DIG);
-
- // addSubprogram - Add subprogram into SPs.
- bool addSubprogram(DISubprogram SP);
-
- /// addType - Add type into Tys.
- bool addType(DIType DT);
-
- public:
- typedef SmallVector<MDNode *, 8>::const_iterator iterator;
- iterator compile_unit_begin() const { return CUs.begin(); }
- iterator compile_unit_end() const { return CUs.end(); }
- iterator subprogram_begin() const { return SPs.begin(); }
- iterator subprogram_end() const { return SPs.end(); }
- iterator global_variable_begin() const { return GVs.begin(); }
- iterator global_variable_end() const { return GVs.end(); }
- iterator type_begin() const { return TYs.begin(); }
- iterator type_end() const { return TYs.end(); }
-
- unsigned compile_unit_count() const { return CUs.size(); }
- unsigned global_variable_count() const { return GVs.size(); }
- unsigned subprogram_count() const { return SPs.size(); }
- unsigned type_count() const { return TYs.size(); }
-
- private:
- SmallVector<MDNode *, 8> CUs; // Compile Units
- SmallVector<MDNode *, 8> SPs; // Subprograms
- SmallVector<MDNode *, 8> GVs; // Global Variables;
- SmallVector<MDNode *, 8> TYs; // Types
- SmallPtrSet<MDNode *, 64> NodesSeen;
- };
-} // end namespace llvm
-
-#endif
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