diff options
Diffstat (limited to 'lib/CodeGen/MachineDebugInfoDesc.cpp')
-rw-r--r-- | lib/CodeGen/MachineDebugInfoDesc.cpp | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/lib/CodeGen/MachineDebugInfoDesc.cpp b/lib/CodeGen/MachineDebugInfoDesc.cpp deleted file mode 100644 index 23853862c2..0000000000 --- a/lib/CodeGen/MachineDebugInfoDesc.cpp +++ /dev/null @@ -1,575 +0,0 @@ -//===-- llvm/CodeGen/MachineDebugInfoDesc.cpp -------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "llvm/CodeGen/MachineDebugInfoDesc.h" -#include "llvm/CodeGen/MachineModuleInfo.h" -#include "llvm/Constants.h" -#include "llvm/GlobalVariable.h" -#include "llvm/Support/Dwarf.h" -#include "llvm/Support/Streams.h" - -using namespace llvm; -using namespace llvm::dwarf; - -/// getUIntOperand - Return ith operand if it is an unsigned integer. -/// -static ConstantInt *getUIntOperand(const GlobalVariable *GV, unsigned i) { - // Make sure the GlobalVariable has an initializer. - if (!GV->hasInitializer()) return NULL; - - // Get the initializer constant. - ConstantStruct *CI = dyn_cast<ConstantStruct>(GV->getInitializer()); - if (!CI) return NULL; - - // Check if there is at least i + 1 operands. - unsigned N = CI->getNumOperands(); - if (i >= N) return NULL; - - // Check constant. - return dyn_cast<ConstantInt>(CI->getOperand(i)); -} - -//===----------------------------------------------------------------------===// - -/// Supply a home for the DebugInfoDesc's v-table. -DebugInfoDesc::~DebugInfoDesc() {} - -/// TagFromGlobal - Returns the tag number from a debug info descriptor -/// GlobalVariable. Return DIIValid if operand is not an unsigned int. -unsigned DebugInfoDesc::TagFromGlobal(GlobalVariable *GV) { - ConstantInt *C = getUIntOperand(GV, 0); - return C ? ((unsigned)C->getZExtValue() & ~LLVMDebugVersionMask) : - (unsigned)DW_TAG_invalid; -} - -/// VersionFromGlobal - Returns the version number from a debug info -/// descriptor GlobalVariable. Return DIIValid if operand is not an unsigned -/// int. -unsigned DebugInfoDesc::VersionFromGlobal(GlobalVariable *GV) { - ConstantInt *C = getUIntOperand(GV, 0); - return C ? ((unsigned)C->getZExtValue() & LLVMDebugVersionMask) : - (unsigned)DW_TAG_invalid; -} - -/// DescFactory - Create an instance of debug info descriptor based on Tag. -/// Return NULL if not a recognized Tag. -DebugInfoDesc *DebugInfoDesc::DescFactory(unsigned Tag) { - switch (Tag) { - case DW_TAG_anchor: return new AnchorDesc(); - case DW_TAG_compile_unit: return new CompileUnitDesc(); - case DW_TAG_variable: return new GlobalVariableDesc(); - case DW_TAG_subprogram: return new SubprogramDesc(); - case DW_TAG_lexical_block: return new BlockDesc(); - case DW_TAG_base_type: return new BasicTypeDesc(); - case DW_TAG_typedef: - case DW_TAG_pointer_type: - case DW_TAG_reference_type: - case DW_TAG_const_type: - case DW_TAG_volatile_type: - case DW_TAG_restrict_type: - case DW_TAG_member: - case DW_TAG_inheritance: return new DerivedTypeDesc(Tag); - case DW_TAG_array_type: - case DW_TAG_structure_type: - case DW_TAG_union_type: - case DW_TAG_enumeration_type: - case DW_TAG_vector_type: - case DW_TAG_subroutine_type: return new CompositeTypeDesc(Tag); - case DW_TAG_subrange_type: return new SubrangeDesc(); - case DW_TAG_enumerator: return new EnumeratorDesc(); - case DW_TAG_return_variable: - case DW_TAG_arg_variable: - case DW_TAG_auto_variable: return new VariableDesc(Tag); - default: break; - } - return NULL; -} - -/// getLinkage - get linkage appropriate for this type of descriptor. -GlobalValue::LinkageTypes DebugInfoDesc::getLinkage() const { - return GlobalValue::InternalLinkage; -} - -/// ApplyToFields - Target the vistor to the fields of the descriptor. -void DebugInfoDesc::ApplyToFields(DIVisitor *Visitor) { - Visitor->Apply(Tag); -} - -//===----------------------------------------------------------------------===// - -AnchorDesc::AnchorDesc() - : DebugInfoDesc(DW_TAG_anchor), AnchorTag(0) {} - -AnchorDesc::AnchorDesc(AnchoredDesc *D) - : DebugInfoDesc(DW_TAG_anchor), AnchorTag(D->getTag()) {} - -// Implement isa/cast/dyncast. -bool AnchorDesc::classof(const DebugInfoDesc *D) { - return D->getTag() == DW_TAG_anchor; -} - -/// getLinkage - get linkage appropriate for this type of descriptor. -GlobalValue::LinkageTypes AnchorDesc::getLinkage() const { - return GlobalValue::LinkOnceLinkage; -} - -/// ApplyToFields - Target the visitor to the fields of the TransUnitDesc. -void AnchorDesc::ApplyToFields(DIVisitor *Visitor) { - DebugInfoDesc::ApplyToFields(Visitor); - Visitor->Apply(AnchorTag); -} - -/// getDescString - Return a string used to compose global names and labels. A -/// global variable name needs to be defined for each debug descriptor that is -/// anchored. NOTE: that each global variable named here also needs to be added -/// to the list of names left external in the internalizer. -/// -/// ExternalNames.insert("llvm.dbg.compile_units"); -/// ExternalNames.insert("llvm.dbg.global_variables"); -/// ExternalNames.insert("llvm.dbg.subprograms"); -const char *AnchorDesc::getDescString() const { - switch (AnchorTag) { - case DW_TAG_compile_unit: { - CompileUnitDesc CUD; - return CUD.getAnchorString(); - } - case DW_TAG_variable: { - GlobalVariableDesc GVD; - return GVD.getAnchorString(); - } - case DW_TAG_subprogram: { - SubprogramDesc SPD; - return SPD.getAnchorString(); - } - default: break; - } - - assert(0 && "Tag does not have a case for anchor string"); - return ""; -} - -#ifndef NDEBUG -void AnchorDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "AnchorTag(" << AnchorTag << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -AnchoredDesc::AnchoredDesc(unsigned T) - : DebugInfoDesc(T), Anchor(NULL) {} - -/// ApplyToFields - Target the visitor to the fields of the AnchoredDesc. -void AnchoredDesc::ApplyToFields(DIVisitor *Visitor) { - DebugInfoDesc::ApplyToFields(Visitor); - Visitor->Apply(Anchor); -} - -//===----------------------------------------------------------------------===// - -CompileUnitDesc::CompileUnitDesc() - : AnchoredDesc(DW_TAG_compile_unit), Language(0), FileName(""), - Directory(""), Producer("") {} - -// Implement isa/cast/dyncast. -bool CompileUnitDesc::classof(const DebugInfoDesc *D) { - return D->getTag() == DW_TAG_compile_unit; -} - -/// ApplyToFields - Target the visitor to the fields of the CompileUnitDesc. -/// -void CompileUnitDesc::ApplyToFields(DIVisitor *Visitor) { - AnchoredDesc::ApplyToFields(Visitor); - - // Handle cases out of sync with compiler. - if (getVersion() == 0) { - unsigned DebugVersion; - Visitor->Apply(DebugVersion); - } - - Visitor->Apply(Language); - Visitor->Apply(FileName); - Visitor->Apply(Directory); - Visitor->Apply(Producer); -} - -#ifndef NDEBUG -void CompileUnitDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Anchor(" << getAnchor() << "), " - << "Language(" << Language << "), " - << "FileName(\"" << FileName << "\"), " - << "Directory(\"" << Directory << "\"), " - << "Producer(\"" << Producer << "\")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -TypeDesc::TypeDesc(unsigned T) - : DebugInfoDesc(T), Context(NULL), Name(""), File(NULL), Line(0), Size(0), - Align(0), Offset(0), Flags(0) {} - -/// ApplyToFields - Target the visitor to the fields of the TypeDesc. -/// -void TypeDesc::ApplyToFields(DIVisitor *Visitor) { - DebugInfoDesc::ApplyToFields(Visitor); - Visitor->Apply(Context); - Visitor->Apply(Name); - Visitor->Apply(File); - Visitor->Apply(Line); - Visitor->Apply(Size); - Visitor->Apply(Align); - Visitor->Apply(Offset); - if (getVersion() > LLVMDebugVersion4) Visitor->Apply(Flags); -} - -#ifndef NDEBUG -void TypeDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Context(" << Context << "), " - << "Name(\"" << Name << "\"), " - << "File(" << File << "), " - << "Line(" << Line << "), " - << "Size(" << Size << "), " - << "Align(" << Align << "), " - << "Offset(" << Offset << "), " - << "Flags(" << Flags << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -BasicTypeDesc::BasicTypeDesc() - : TypeDesc(DW_TAG_base_type), Encoding(0) {} - -// Implement isa/cast/dyncast. -bool BasicTypeDesc::classof(const DebugInfoDesc *D) { - return D->getTag() == DW_TAG_base_type; -} - -/// ApplyToFields - Target the visitor to the fields of the BasicTypeDesc. -void BasicTypeDesc::ApplyToFields(DIVisitor *Visitor) { - TypeDesc::ApplyToFields(Visitor); - Visitor->Apply(Encoding); -} - -#ifndef NDEBUG -void BasicTypeDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Context(" << getContext() << "), " - << "Name(\"" << getName() << "\"), " - << "Size(" << getSize() << "), " - << "Encoding(" << Encoding << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -DerivedTypeDesc::DerivedTypeDesc(unsigned T) - : TypeDesc(T), FromType(NULL) {} - -// Implement isa/cast/dyncast. -bool DerivedTypeDesc::classof(const DebugInfoDesc *D) { - unsigned T = D->getTag(); - switch (T) { - case DW_TAG_typedef: - case DW_TAG_pointer_type: - case DW_TAG_reference_type: - case DW_TAG_const_type: - case DW_TAG_volatile_type: - case DW_TAG_restrict_type: - case DW_TAG_member: - case DW_TAG_inheritance: - return true; - default: break; - } - return false; -} - -/// ApplyToFields - Target the visitor to the fields of the DerivedTypeDesc. -void DerivedTypeDesc::ApplyToFields(DIVisitor *Visitor) { - TypeDesc::ApplyToFields(Visitor); - Visitor->Apply(FromType); -} - -#ifndef NDEBUG -void DerivedTypeDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Context(" << getContext() << "), " - << "Name(\"" << getName() << "\"), " - << "Size(" << getSize() << "), " - << "File(" << getFile() << "), " - << "Line(" << getLine() << "), " - << "FromType(" << FromType << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -CompositeTypeDesc::CompositeTypeDesc(unsigned T) - : DerivedTypeDesc(T), Elements() {} - -// Implement isa/cast/dyncast. -bool CompositeTypeDesc::classof(const DebugInfoDesc *D) { - unsigned T = D->getTag(); - switch (T) { - case DW_TAG_array_type: - case DW_TAG_structure_type: - case DW_TAG_union_type: - case DW_TAG_enumeration_type: - case DW_TAG_vector_type: - case DW_TAG_subroutine_type: - return true; - default: break; - } - return false; -} - -/// ApplyToFields - Target the visitor to the fields of the CompositeTypeDesc. -/// -void CompositeTypeDesc::ApplyToFields(DIVisitor *Visitor) { - DerivedTypeDesc::ApplyToFields(Visitor); - Visitor->Apply(Elements); -} - -#ifndef NDEBUG -void CompositeTypeDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Context(" << getContext() << "), " - << "Name(\"" << getName() << "\"), " - << "Size(" << getSize() << "), " - << "File(" << getFile() << "), " - << "Line(" << getLine() << "), " - << "FromType(" << getFromType() << "), " - << "Elements.size(" << Elements.size() << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -SubrangeDesc::SubrangeDesc() - : DebugInfoDesc(DW_TAG_subrange_type), Lo(0), Hi(0) {} - -// Implement isa/cast/dyncast. -bool SubrangeDesc::classof(const DebugInfoDesc *D) { - return D->getTag() == DW_TAG_subrange_type; -} - -/// ApplyToFields - Target the visitor to the fields of the SubrangeDesc. -void SubrangeDesc::ApplyToFields(DIVisitor *Visitor) { - DebugInfoDesc::ApplyToFields(Visitor); - Visitor->Apply(Lo); - Visitor->Apply(Hi); -} - -#ifndef NDEBUG -void SubrangeDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Lo(" << Lo << "), " - << "Hi(" << Hi << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -EnumeratorDesc::EnumeratorDesc() - : DebugInfoDesc(DW_TAG_enumerator), Name(""), Value(0) {} - -// Implement isa/cast/dyncast. -bool EnumeratorDesc::classof(const DebugInfoDesc *D) { - return D->getTag() == DW_TAG_enumerator; -} - -/// ApplyToFields - Target the visitor to the fields of the EnumeratorDesc. -void EnumeratorDesc::ApplyToFields(DIVisitor *Visitor) { - DebugInfoDesc::ApplyToFields(Visitor); - Visitor->Apply(Name); - Visitor->Apply(Value); -} - -#ifndef NDEBUG -void EnumeratorDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Name(" << Name << "), " - << "Value(" << Value << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -VariableDesc::VariableDesc(unsigned T) - : DebugInfoDesc(T), Context(NULL), Name(""), File(NULL), Line(0), TyDesc(0) -{} - -// Implement isa/cast/dyncast. -bool VariableDesc::classof(const DebugInfoDesc *D) { - unsigned T = D->getTag(); - switch (T) { - case DW_TAG_auto_variable: - case DW_TAG_arg_variable: - case DW_TAG_return_variable: - return true; - default: break; - } - return false; -} - -/// ApplyToFields - Target the visitor to the fields of the VariableDesc. -void VariableDesc::ApplyToFields(DIVisitor *Visitor) { - DebugInfoDesc::ApplyToFields(Visitor); - Visitor->Apply(Context); - Visitor->Apply(Name); - Visitor->Apply(File); - Visitor->Apply(Line); - Visitor->Apply(TyDesc); -} - -#ifndef NDEBUG -void VariableDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Context(" << Context << "), " - << "Name(\"" << Name << "\"), " - << "File(" << File << "), " - << "Line(" << Line << "), " - << "TyDesc(" << TyDesc << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -GlobalDesc::GlobalDesc(unsigned T) - : AnchoredDesc(T), Context(0), Name(""), FullName(""), LinkageName(""), - File(NULL), Line(0), TyDesc(NULL), IsStatic(false), IsDefinition(false) {} - -/// ApplyToFields - Target the visitor to the fields of the global. -/// -void GlobalDesc::ApplyToFields(DIVisitor *Visitor) { - AnchoredDesc::ApplyToFields(Visitor); - Visitor->Apply(Context); - Visitor->Apply(Name); - Visitor->Apply(FullName); - Visitor->Apply(LinkageName); - Visitor->Apply(File); - Visitor->Apply(Line); - Visitor->Apply(TyDesc); - Visitor->Apply(IsStatic); - Visitor->Apply(IsDefinition); -} - -//===----------------------------------------------------------------------===// - -GlobalVariableDesc::GlobalVariableDesc() - : GlobalDesc(DW_TAG_variable), Global(NULL) {} - -// Implement isa/cast/dyncast. -bool GlobalVariableDesc::classof(const DebugInfoDesc *D) { - return D->getTag() == DW_TAG_variable; -} - -/// ApplyToFields - Target the visitor to the fields of the GlobalVariableDesc. -void GlobalVariableDesc::ApplyToFields(DIVisitor *Visitor) { - GlobalDesc::ApplyToFields(Visitor); - Visitor->Apply(Global); -} - -#ifndef NDEBUG -void GlobalVariableDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Anchor(" << getAnchor() << "), " - << "Name(\"" << getName() << "\"), " - << "FullName(\"" << getFullName() << "\"), " - << "LinkageName(\"" << getLinkageName() << "\"), " - << "File(" << getFile() << ")," - << "Line(" << getLine() << ")," - << "Type(" << getType() << "), " - << "IsStatic(" << (isStatic() ? "true" : "false") << "), " - << "IsDefinition(" << (isDefinition() ? "true" : "false") << "), " - << "Global(" << Global << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -SubprogramDesc::SubprogramDesc() - : GlobalDesc(DW_TAG_subprogram) {} - -// Implement isa/cast/dyncast. -bool SubprogramDesc::classof(const DebugInfoDesc *D) { - return D->getTag() == DW_TAG_subprogram; -} - -/// ApplyToFields - Target the visitor to the fields of the SubprogramDesc. -void SubprogramDesc::ApplyToFields(DIVisitor *Visitor) { - GlobalDesc::ApplyToFields(Visitor); -} - -#ifndef NDEBUG -void SubprogramDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << "), " - << "Anchor(" << getAnchor() << "), " - << "Name(\"" << getName() << "\"), " - << "FullName(\"" << getFullName() << "\"), " - << "LinkageName(\"" << getLinkageName() << "\"), " - << "File(" << getFile() << ")," - << "Line(" << getLine() << ")," - << "Type(" << getType() << "), " - << "IsStatic(" << (isStatic() ? "true" : "false") << "), " - << "IsDefinition(" << (isDefinition() ? "true" : "false") << ")\n"; -} -#endif - -//===----------------------------------------------------------------------===// - -BlockDesc::BlockDesc() - : DebugInfoDesc(DW_TAG_lexical_block), Context(NULL) {} - -// Implement isa/cast/dyncast. -bool BlockDesc::classof(const DebugInfoDesc *D) { - return D->getTag() == DW_TAG_lexical_block; -} - -/// ApplyToFields - Target the visitor to the fields of the BlockDesc. -void BlockDesc::ApplyToFields(DIVisitor *Visitor) { - DebugInfoDesc::ApplyToFields(Visitor); - - Visitor->Apply(Context); -} - -#ifndef NDEBUG -void BlockDesc::dump() { - cerr << getDescString() << " " - << "Version(" << getVersion() << "), " - << "Tag(" << getTag() << ")," - << "Context(" << Context << ")\n"; -} -#endif |