mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 11:42:57 +01:00
761 lines
31 KiB
C++
761 lines
31 KiB
C++
//===--- DIBuilder.cpp - Debug Information Builder ------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the DIBuilder.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Analysis/DIBuilder.h"
|
|
#include "llvm/Analysis/DebugInfo.h"
|
|
#include "llvm/Constants.h"
|
|
#include "llvm/IntrinsicInst.h"
|
|
#include "llvm/Module.h"
|
|
#include "llvm/ADT/STLExtras.h"
|
|
#include "llvm/Support/Dwarf.h"
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::dwarf;
|
|
|
|
static Constant *GetTagConstant(LLVMContext &VMContext, unsigned Tag) {
|
|
assert((Tag & LLVMDebugVersionMask) == 0 &&
|
|
"Tag too large for debug encoding!");
|
|
return ConstantInt::get(Type::getInt32Ty(VMContext), Tag | LLVMDebugVersion);
|
|
}
|
|
|
|
DIBuilder::DIBuilder(Module &m)
|
|
: M(m), VMContext(M.getContext()), TheCU(0), DeclareFn(0), ValueFn(0) {}
|
|
|
|
/// CreateCompileUnit - A CompileUnit provides an anchor for all debugging
|
|
/// information generated during this instance of compilation.
|
|
void DIBuilder::CreateCompileUnit(unsigned Lang, StringRef Filename,
|
|
StringRef Directory, StringRef Producer,
|
|
bool isOptimized, StringRef Flags,
|
|
unsigned RunTimeVer) {
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_compile_unit),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Lang),
|
|
MDString::get(VMContext, Filename),
|
|
MDString::get(VMContext, Directory),
|
|
MDString::get(VMContext, Producer),
|
|
// Deprecate isMain field.
|
|
ConstantInt::get(Type::getInt1Ty(VMContext), true), // isMain
|
|
ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
|
|
MDString::get(VMContext, Flags),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeVer)
|
|
};
|
|
TheCU = DICompileUnit(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateFile - Create a file descriptor to hold debugging information
|
|
/// for a file.
|
|
DIFile DIBuilder::CreateFile(StringRef Filename, StringRef Directory) {
|
|
assert(TheCU && "Unable to create DW_TAG_file_type without CompileUnit");
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_file_type),
|
|
MDString::get(VMContext, Filename),
|
|
MDString::get(VMContext, Directory),
|
|
TheCU
|
|
};
|
|
return DIFile(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateEnumerator - Create a single enumerator value.
|
|
DIEnumerator DIBuilder::CreateEnumerator(StringRef Name, uint64_t Val) {
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_enumerator),
|
|
MDString::get(VMContext, Name),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), Val)
|
|
};
|
|
return DIEnumerator(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateBasicType - Create debugging information entry for a basic
|
|
/// type, e.g 'char'.
|
|
DIType DIBuilder::CreateBasicType(StringRef Name, uint64_t SizeInBits,
|
|
uint64_t AlignInBits,
|
|
unsigned Encoding) {
|
|
// Basic types are encoded in DIBasicType format. Line number, filename,
|
|
// offset and flags are always empty here.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_base_type),
|
|
TheCU,
|
|
MDString::get(VMContext, Name),
|
|
NULL, // Filename
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags;
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Encoding)
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateQaulifiedType - Create debugging information entry for a qualified
|
|
/// type, e.g. 'const int'.
|
|
DIType DIBuilder::CreateQualifiedType(unsigned Tag, DIType FromTy) {
|
|
// Qualified types are encoded in DIDerivedType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, Tag),
|
|
TheCU,
|
|
MDString::get(VMContext, StringRef()), // Empty name.
|
|
NULL, // Filename
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
|
|
FromTy
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreatePointerType - Create debugging information entry for a pointer.
|
|
DIType DIBuilder::CreatePointerType(DIType PointeeTy, uint64_t SizeInBits,
|
|
uint64_t AlignInBits, StringRef Name) {
|
|
// Pointer types are encoded in DIDerivedType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_pointer_type),
|
|
TheCU,
|
|
MDString::get(VMContext, Name),
|
|
NULL, // Filename
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
|
|
PointeeTy
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateReferenceType - Create debugging information entry for a reference.
|
|
DIType DIBuilder::CreateReferenceType(DIType RTy) {
|
|
// References are encoded in DIDerivedType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_reference_type),
|
|
TheCU,
|
|
NULL, // Name
|
|
NULL, // Filename
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
|
|
RTy
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateTypedef - Create debugging information entry for a typedef.
|
|
DIType DIBuilder::CreateTypedef(DIType Ty, StringRef Name, DIFile File,
|
|
unsigned LineNo) {
|
|
// typedefs are encoded in DIDerivedType format.
|
|
assert(Ty.Verify() && "Invalid typedef type!");
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_typedef),
|
|
Ty.getContext(),
|
|
MDString::get(VMContext, Name),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
|
|
Ty
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateFriend - Create debugging information entry for a 'friend'.
|
|
DIType DIBuilder::CreateFriend(DIType Ty, DIType FriendTy) {
|
|
// typedefs are encoded in DIDerivedType format.
|
|
assert(Ty.Verify() && "Invalid type!");
|
|
assert(FriendTy.Verify() && "Invalid friend type!");
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_friend),
|
|
Ty,
|
|
NULL, // Name
|
|
Ty.getFile(),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
|
|
FriendTy
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateInheritance - Create debugging information entry to establish
|
|
/// inheritnace relationship between two types.
|
|
DIType DIBuilder::CreateInheritance(DIType Ty, DIType BaseTy,
|
|
uint64_t BaseOffset, unsigned Flags) {
|
|
// TAG_inheritance is encoded in DIDerivedType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_inheritance),
|
|
Ty,
|
|
NULL, // Name
|
|
Ty.getFile(),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), BaseOffset),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
|
|
BaseTy
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateMemberType - Create debugging information entry for a member.
|
|
DIType DIBuilder::CreateMemberType(StringRef Name,
|
|
DIFile File, unsigned LineNumber,
|
|
uint64_t SizeInBits, uint64_t AlignInBits,
|
|
uint64_t OffsetInBits, unsigned Flags,
|
|
DIType Ty) {
|
|
// TAG_member is encoded in DIDerivedType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_member),
|
|
File, // Or TheCU ? Ty ?
|
|
MDString::get(VMContext, Name),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
|
|
Ty
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateClassType - Create debugging information entry for a class.
|
|
DIType DIBuilder::CreateClassType(DIDescriptor Context, StringRef Name,
|
|
DIFile File, unsigned LineNumber,
|
|
uint64_t SizeInBits, uint64_t AlignInBits,
|
|
uint64_t OffsetInBits, unsigned Flags,
|
|
DIType DerivedFrom, DIArray Elements,
|
|
MDNode *VTableHoder) {
|
|
// TAG_class_type is encoded in DICompositeType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_class_type),
|
|
Context,
|
|
MDString::get(VMContext, Name),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), OffsetInBits),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
|
|
DerivedFrom,
|
|
Elements,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
VTableHoder
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateStructType - Create debugging information entry for a struct.
|
|
DIType DIBuilder::CreateStructType(DIDescriptor Context, StringRef Name,
|
|
DIFile File, unsigned LineNumber,
|
|
uint64_t SizeInBits, uint64_t AlignInBits,
|
|
unsigned Flags, DIArray Elements,
|
|
unsigned RunTimeLang) {
|
|
// TAG_structure_type is encoded in DICompositeType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_structure_type),
|
|
Context,
|
|
MDString::get(VMContext, Name),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
Elements,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateUnionType - Create debugging information entry for an union.
|
|
DIType DIBuilder::CreateUnionType(DIDescriptor Scope, StringRef Name,
|
|
DIFile File,
|
|
unsigned LineNumber, uint64_t SizeInBits,
|
|
uint64_t AlignInBits, unsigned Flags,
|
|
DIArray Elements, unsigned RunTimeLang) {
|
|
// TAG_union_type is encoded in DICompositeType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_union_type),
|
|
Scope,
|
|
MDString::get(VMContext, Name),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
Elements,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeLang),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateSubroutineType - Create subroutine type.
|
|
DIType DIBuilder::CreateSubroutineType(DIFile File, DIArray ParameterTypes) {
|
|
// TAG_subroutine_type is encoded in DICompositeType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_subroutine_type),
|
|
File,
|
|
MDString::get(VMContext, ""),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
ParameterTypes,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateEnumerationType - Create debugging information entry for an
|
|
/// enumeration.
|
|
DIType DIBuilder::CreateEnumerationType(DIDescriptor Scope, StringRef Name,
|
|
DIFile File, unsigned LineNumber,
|
|
uint64_t SizeInBits,
|
|
uint64_t AlignInBits, DIArray Elements) {
|
|
// TAG_enumeration_type is encoded in DICompositeType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type),
|
|
Scope,
|
|
MDString::get(VMContext, Name),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
Elements,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
};
|
|
MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
|
|
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum");
|
|
NMD->addOperand(Node);
|
|
return DIType(Node);
|
|
}
|
|
|
|
/// CreateArrayType - Create debugging information entry for an array.
|
|
DIType DIBuilder::CreateArrayType(uint64_t Size, uint64_t AlignInBits,
|
|
DIType Ty, DIArray Subscripts) {
|
|
// TAG_array_type is encoded in DICompositeType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_array_type),
|
|
TheCU,
|
|
MDString::get(VMContext, ""),
|
|
TheCU,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), Size),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
Ty,
|
|
Subscripts,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateVectorType - Create debugging information entry for a vector.
|
|
DIType DIBuilder::CreateVectorType(uint64_t Size, uint64_t AlignInBits,
|
|
DIType Ty, DIArray Subscripts) {
|
|
// TAG_vector_type is encoded in DICompositeType format.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_vector_type),
|
|
TheCU,
|
|
MDString::get(VMContext, ""),
|
|
TheCU,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), Size),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
Ty,
|
|
Subscripts,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
};
|
|
return DIType(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// CreateArtificialType - Create a new DIType with "artificial" flag set.
|
|
DIType DIBuilder::CreateArtificialType(DIType Ty) {
|
|
if (Ty.isArtificial())
|
|
return Ty;
|
|
|
|
SmallVector<Value *, 9> Elts;
|
|
MDNode *N = Ty;
|
|
assert (N && "Unexpected input DIType!");
|
|
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
|
|
if (Value *V = N->getOperand(i))
|
|
Elts.push_back(V);
|
|
else
|
|
Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext)));
|
|
}
|
|
|
|
unsigned CurFlags = Ty.getFlags();
|
|
CurFlags = CurFlags | DIType::FlagArtificial;
|
|
|
|
// Flags are stored at this slot.
|
|
Elts[8] = ConstantInt::get(Type::getInt32Ty(VMContext), CurFlags);
|
|
|
|
return DIType(MDNode::get(VMContext, Elts.data(), Elts.size()));
|
|
}
|
|
|
|
/// RetainType - Retain DIType in a module even if it is not referenced
|
|
/// through debug info anchors.
|
|
void DIBuilder::RetainType(DIType T) {
|
|
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.ty");
|
|
NMD->addOperand(T);
|
|
}
|
|
|
|
/// CreateUnspecifiedParameter - Create unspeicified type descriptor
|
|
/// for the subroutine type.
|
|
DIDescriptor DIBuilder::CreateUnspecifiedParameter() {
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_parameters)
|
|
};
|
|
return DIDescriptor(MDNode::get(VMContext, &Elts[0], 1));
|
|
}
|
|
|
|
/// CreateTemporaryType - Create a temporary forward-declared type.
|
|
DIType DIBuilder::CreateTemporaryType() {
|
|
// Give the temporary MDNode a tag. It doesn't matter what tag we
|
|
// use here as long as DIType accepts it.
|
|
Value *Elts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
|
|
MDNode *Node = MDNode::getTemporary(VMContext, Elts, array_lengthof(Elts));
|
|
return DIType(Node);
|
|
}
|
|
|
|
/// CreateTemporaryType - Create a temporary forward-declared type.
|
|
DIType DIBuilder::CreateTemporaryType(DIFile F) {
|
|
// Give the temporary MDNode a tag. It doesn't matter what tag we
|
|
// use here as long as DIType accepts it.
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, DW_TAG_base_type),
|
|
F.getCompileUnit(),
|
|
NULL,
|
|
F
|
|
};
|
|
MDNode *Node = MDNode::getTemporary(VMContext, Elts, array_lengthof(Elts));
|
|
return DIType(Node);
|
|
}
|
|
|
|
/// GetOrCreateArray - Get a DIArray, create one if required.
|
|
DIArray DIBuilder::GetOrCreateArray(Value *const *Elements, unsigned NumElements) {
|
|
if (NumElements == 0) {
|
|
Value *Null = llvm::Constant::getNullValue(Type::getInt32Ty(VMContext));
|
|
return DIArray(MDNode::get(VMContext, &Null, 1));
|
|
}
|
|
return DIArray(MDNode::get(VMContext, Elements, NumElements));
|
|
}
|
|
|
|
/// GetOrCreateSubrange - Create a descriptor for a value range. This
|
|
/// implicitly uniques the values returned.
|
|
DISubrange DIBuilder::GetOrCreateSubrange(int64_t Lo, int64_t Hi) {
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_subrange_type),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), Lo),
|
|
ConstantInt::get(Type::getInt64Ty(VMContext), Hi)
|
|
};
|
|
|
|
return DISubrange(MDNode::get(VMContext, &Elts[0], 3));
|
|
}
|
|
|
|
/// CreateGlobalVariable - Create a new descriptor for the specified global.
|
|
DIGlobalVariable DIBuilder::
|
|
CreateGlobalVariable(StringRef Name, DIFile F, unsigned LineNumber,
|
|
DIType Ty, bool isLocalToUnit, llvm::Value *Val) {
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_variable),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
TheCU,
|
|
MDString::get(VMContext, Name),
|
|
MDString::get(VMContext, Name),
|
|
MDString::get(VMContext, Name),
|
|
F,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
|
|
Ty,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 1), /* isDefinition*/
|
|
Val
|
|
};
|
|
MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
|
|
// Create a named metadata so that we do not lose this mdnode.
|
|
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
|
|
NMD->addOperand(Node);
|
|
return DIGlobalVariable(Node);
|
|
}
|
|
|
|
/// CreateStaticVariable - Create a new descriptor for the specified static
|
|
/// variable.
|
|
DIGlobalVariable DIBuilder::
|
|
CreateStaticVariable(DIDescriptor Context, StringRef Name,
|
|
StringRef LinkageName, DIFile F, unsigned LineNumber,
|
|
DIType Ty, bool isLocalToUnit, llvm::Value *Val) {
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_variable),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
Context,
|
|
MDString::get(VMContext, Name),
|
|
MDString::get(VMContext, Name),
|
|
MDString::get(VMContext, LinkageName),
|
|
F,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
|
|
Ty,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), isLocalToUnit),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 1), /* isDefinition*/
|
|
Val
|
|
};
|
|
MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
|
|
// Create a named metadata so that we do not lose this mdnode.
|
|
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
|
|
NMD->addOperand(Node);
|
|
return DIGlobalVariable(Node);
|
|
}
|
|
|
|
/// CreateVariable - Create a new descriptor for the specified variable.
|
|
DIVariable DIBuilder::CreateLocalVariable(unsigned Tag, DIDescriptor Scope,
|
|
StringRef Name, DIFile File,
|
|
unsigned LineNo, DIType Ty,
|
|
bool AlwaysPreserve, unsigned Flags) {
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, Tag),
|
|
Scope,
|
|
MDString::get(VMContext, Name),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
|
|
Ty,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Flags)
|
|
};
|
|
MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
|
|
if (AlwaysPreserve) {
|
|
// The optimizer may remove local variable. If there is an interest
|
|
// to preserve variable info in such situation then stash it in a
|
|
// named mdnode.
|
|
DISubprogram Fn(getDISubprogram(Scope));
|
|
StringRef FName = "fn";
|
|
if (Fn.getFunction())
|
|
FName = Fn.getFunction()->getName();
|
|
char One = '\1';
|
|
if (FName.startswith(StringRef(&One, 1)))
|
|
FName = FName.substr(1);
|
|
NamedMDNode *FnLocals = getOrInsertFnSpecificMDNode(M, FName);
|
|
FnLocals->addOperand(Node);
|
|
}
|
|
return DIVariable(Node);
|
|
}
|
|
|
|
/// CreateComplexVariable - Create a new descriptor for the specified variable
|
|
/// which has a complex address expression for its address.
|
|
DIVariable DIBuilder::CreateComplexVariable(unsigned Tag, DIDescriptor Scope,
|
|
StringRef Name, DIFile F,
|
|
unsigned LineNo,
|
|
DIType Ty, Value *const *Addr,
|
|
unsigned NumAddr) {
|
|
SmallVector<Value *, 15> Elts;
|
|
Elts.push_back(GetTagConstant(VMContext, Tag));
|
|
Elts.push_back(Scope);
|
|
Elts.push_back(MDString::get(VMContext, Name));
|
|
Elts.push_back(F);
|
|
Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext), LineNo));
|
|
Elts.push_back(Ty);
|
|
Elts.append(Addr, Addr+NumAddr);
|
|
|
|
return DIVariable(MDNode::get(VMContext, Elts.data(), Elts.size()));
|
|
}
|
|
|
|
/// CreateFunction - Create a new descriptor for the specified function.
|
|
DISubprogram DIBuilder::CreateFunction(DIDescriptor Context,
|
|
StringRef Name,
|
|
StringRef LinkageName,
|
|
DIFile File, unsigned LineNo,
|
|
DIType Ty,
|
|
bool isLocalToUnit, bool isDefinition,
|
|
unsigned Flags, bool isOptimized,
|
|
Function *Fn) {
|
|
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
Context,
|
|
MDString::get(VMContext, Name),
|
|
MDString::get(VMContext, Name),
|
|
MDString::get(VMContext, LinkageName),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
|
|
Ty,
|
|
ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
|
|
ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
|
|
ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
|
|
Fn
|
|
};
|
|
MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
|
|
|
|
// Create a named metadata so that we do not lose this mdnode.
|
|
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
|
|
NMD->addOperand(Node);
|
|
return DISubprogram(Node);
|
|
}
|
|
|
|
/// CreateMethod - Create a new descriptor for the specified C++ method.
|
|
DISubprogram DIBuilder::CreateMethod(DIDescriptor Context,
|
|
StringRef Name,
|
|
StringRef LinkageName,
|
|
DIFile F,
|
|
unsigned LineNo, DIType Ty,
|
|
bool isLocalToUnit,
|
|
bool isDefinition,
|
|
unsigned VK, unsigned VIndex,
|
|
MDNode *VTableHolder,
|
|
unsigned Flags,
|
|
bool isOptimized,
|
|
Function *Fn) {
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_subprogram),
|
|
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
|
|
Context,
|
|
MDString::get(VMContext, Name),
|
|
MDString::get(VMContext, Name),
|
|
MDString::get(VMContext, LinkageName),
|
|
F,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
|
|
Ty,
|
|
ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
|
|
ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), (unsigned)VK),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), VIndex),
|
|
VTableHolder,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
|
|
ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
|
|
Fn
|
|
};
|
|
MDNode *Node = MDNode::get(VMContext, &Elts[0], array_lengthof(Elts));
|
|
|
|
// Create a named metadata so that we do not lose this mdnode.
|
|
NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.sp");
|
|
NMD->addOperand(Node);
|
|
return DISubprogram(Node);
|
|
}
|
|
|
|
/// CreateNameSpace - This creates new descriptor for a namespace
|
|
/// with the specified parent scope.
|
|
DINameSpace DIBuilder::CreateNameSpace(DIDescriptor Scope, StringRef Name,
|
|
DIFile File, unsigned LineNo) {
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_namespace),
|
|
Scope,
|
|
MDString::get(VMContext, Name),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), LineNo)
|
|
};
|
|
return DINameSpace(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
DILexicalBlock DIBuilder::CreateLexicalBlock(DIDescriptor Scope, DIFile File,
|
|
unsigned Line, unsigned Col) {
|
|
// Defeat MDNode uniqing for lexical blocks by using unique id.
|
|
static unsigned int unique_id = 0;
|
|
Value *Elts[] = {
|
|
GetTagConstant(VMContext, dwarf::DW_TAG_lexical_block),
|
|
Scope,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Line),
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), Col),
|
|
File,
|
|
ConstantInt::get(Type::getInt32Ty(VMContext), unique_id++)
|
|
};
|
|
return DILexicalBlock(MDNode::get(VMContext, &Elts[0], array_lengthof(Elts)));
|
|
}
|
|
|
|
/// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
|
|
Instruction *DIBuilder::InsertDeclare(Value *Storage, DIVariable VarInfo,
|
|
Instruction *InsertBefore) {
|
|
assert(Storage && "no storage passed to dbg.declare");
|
|
assert(VarInfo.Verify() && "empty DIVariable passed to dbg.declare");
|
|
if (!DeclareFn)
|
|
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
|
|
|
|
Value *Args[] = { MDNode::get(Storage->getContext(), &Storage, 1), VarInfo };
|
|
return CallInst::Create(DeclareFn, Args, Args+2, "", InsertBefore);
|
|
}
|
|
|
|
/// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
|
|
Instruction *DIBuilder::InsertDeclare(Value *Storage, DIVariable VarInfo,
|
|
BasicBlock *InsertAtEnd) {
|
|
assert(Storage && "no storage passed to dbg.declare");
|
|
assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.declare");
|
|
if (!DeclareFn)
|
|
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
|
|
|
|
Value *Args[] = { MDNode::get(Storage->getContext(), &Storage, 1), VarInfo };
|
|
|
|
// If this block already has a terminator then insert this intrinsic
|
|
// before the terminator.
|
|
if (TerminatorInst *T = InsertAtEnd->getTerminator())
|
|
return CallInst::Create(DeclareFn, Args, Args+2, "", T);
|
|
else
|
|
return CallInst::Create(DeclareFn, Args, Args+2, "", InsertAtEnd);
|
|
}
|
|
|
|
/// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
|
|
Instruction *DIBuilder::InsertDbgValueIntrinsic(Value *V, uint64_t Offset,
|
|
DIVariable VarInfo,
|
|
Instruction *InsertBefore) {
|
|
assert(V && "no value passed to dbg.value");
|
|
assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
|
|
if (!ValueFn)
|
|
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
|
|
|
|
Value *Args[] = { MDNode::get(V->getContext(), &V, 1),
|
|
ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
|
|
VarInfo };
|
|
return CallInst::Create(ValueFn, Args, Args+3, "", InsertBefore);
|
|
}
|
|
|
|
/// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call.
|
|
Instruction *DIBuilder::InsertDbgValueIntrinsic(Value *V, uint64_t Offset,
|
|
DIVariable VarInfo,
|
|
BasicBlock *InsertAtEnd) {
|
|
assert(V && "no value passed to dbg.value");
|
|
assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
|
|
if (!ValueFn)
|
|
ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
|
|
|
|
Value *Args[] = { MDNode::get(V->getContext(), &V, 1),
|
|
ConstantInt::get(Type::getInt64Ty(V->getContext()), Offset),
|
|
VarInfo };
|
|
return CallInst::Create(ValueFn, Args, Args+3, "", InsertAtEnd);
|
|
}
|
|
|