Yi Kong | 878f994 | 2023-12-13 12:55:04 +0900 | [diff] [blame^] | 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 | |
| 15 | namespace llvm { |
| 16 | namespace 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. |
| 21 | bool 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. |
| 25 | TypeIndex 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. |
| 29 | inline 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. |
| 46 | inline 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. |
| 59 | uint64_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). |
| 63 | uint64_t getSizeInBytesForTypeRecord(CVType CVT); |
| 64 | |
| 65 | } // namespace codeview |
| 66 | } // namespace llvm |
| 67 | |
| 68 | #endif |