1//===- TypeRecordHelpers.h --------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_DEBUGINFO_CODEVIEW_TYPERECORDHELPERS_H
10#define LLVM_DEBUGINFO_CODEVIEW_TYPERECORDHELPERS_H
11
12#include "llvm/DebugInfo/CodeView/CVRecord.h"
13#include "llvm/DebugInfo/CodeView/TypeIndex.h"
14
15namespace llvm {
16namespace codeview {
17
18/// Given an arbitrary codeview type, determine if it is an LF_STRUCTURE,
19/// LF_CLASS, LF_INTERFACE, LF_UNION, or LF_ENUM with the forward ref class
20/// option.
21bool isUdtForwardRef(CVType CVT);
22
23/// Given a CVType which is assumed to be an LF_MODIFIER, return the
24/// TypeIndex of the type that the LF_MODIFIER modifies.
25TypeIndex getModifiedType(const CVType &CVT);
26
27/// Return true if this record should be in the IPI stream of a PDB. In an
28/// object file, these record kinds will appear mixed into the .debug$T section.
29inline bool isIdRecord(TypeLeafKind K) {
30 switch (K) {
31 case TypeLeafKind::LF_FUNC_ID:
32 case TypeLeafKind::LF_MFUNC_ID:
33 case TypeLeafKind::LF_STRING_ID:
34 case TypeLeafKind::LF_SUBSTR_LIST:
35 case TypeLeafKind::LF_BUILDINFO:
36 case TypeLeafKind::LF_UDT_SRC_LINE:
37 case TypeLeafKind::LF_UDT_MOD_SRC_LINE:
38 return true;
39 default:
40 return false;
41 }
42}
43
44/// Given an arbitrary codeview type, determine if it is an LF_STRUCTURE,
45/// LF_CLASS, LF_INTERFACE, LF_UNION.
46inline bool isAggregate(CVType CVT) {
47 switch (CVT.kind()) {
48 case LF_STRUCTURE:
49 case LF_CLASS:
50 case LF_INTERFACE:
51 case LF_UNION:
52 return true;
53 default:
54 return false;
55 }
56}
57
58/// Given an arbitrary codeview type index, determine its size.
59uint64_t getSizeInBytesForTypeIndex(TypeIndex TI);
60
61/// Given an arbitrary codeview type, return the type's size in the case
62/// of aggregate (LF_STRUCTURE, LF_CLASS, LF_INTERFACE, LF_UNION).
63uint64_t getSizeInBytesForTypeRecord(CVType CVT);
64
65} // namespace codeview
66} // namespace llvm
67
68#endif
69

source code of llvm/include/llvm/DebugInfo/CodeView/TypeRecordHelpers.h