/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/DebugInfo/PDB/Native/InfoStreamBuilder.cpp
Line | Count | Source (jump to first uncovered line) |
1 | | //===- InfoStreamBuilder.cpp - PDB Info Stream Creation ---------*- 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 | | #include "llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h" |
10 | | |
11 | | #include "llvm/DebugInfo/MSF/MSFBuilder.h" |
12 | | #include "llvm/DebugInfo/MSF/MappedBlockStream.h" |
13 | | #include "llvm/DebugInfo/PDB/Native/InfoStream.h" |
14 | | #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h" |
15 | | #include "llvm/DebugInfo/PDB/Native/PDBFileBuilder.h" |
16 | | #include "llvm/DebugInfo/PDB/Native/RawError.h" |
17 | | #include "llvm/DebugInfo/PDB/Native/RawTypes.h" |
18 | | #include "llvm/Support/BinaryStreamWriter.h" |
19 | | |
20 | | using namespace llvm; |
21 | | using namespace llvm::codeview; |
22 | | using namespace llvm::msf; |
23 | | using namespace llvm::pdb; |
24 | | |
25 | | InfoStreamBuilder::InfoStreamBuilder(msf::MSFBuilder &Msf, |
26 | | NamedStreamMap &NamedStreams) |
27 | | : Msf(Msf), Ver(PdbRaw_ImplVer::PdbImplVC70), Age(0), |
28 | 134 | NamedStreams(NamedStreams) { |
29 | 134 | ::memset(&Guid, 0, sizeof(Guid)); |
30 | 134 | } |
31 | | |
32 | 131 | void InfoStreamBuilder::setVersion(PdbRaw_ImplVer V) { Ver = V; } |
33 | | |
34 | 58 | void InfoStreamBuilder::addFeature(PdbRaw_FeatureSig Sig) { |
35 | 58 | Features.push_back(Sig); |
36 | 58 | } |
37 | | |
38 | 110 | void InfoStreamBuilder::setHashPDBContentsToGUID(bool B) { |
39 | 110 | HashPDBContentsToGUID = B; |
40 | 110 | } |
41 | | |
42 | 21 | void InfoStreamBuilder::setAge(uint32_t A) { Age = A; } |
43 | | |
44 | 21 | void InfoStreamBuilder::setSignature(uint32_t S) { Signature = S; } |
45 | | |
46 | 21 | void InfoStreamBuilder::setGuid(GUID G) { Guid = G; } |
47 | | |
48 | | |
49 | 268 | Error InfoStreamBuilder::finalizeMsfLayout() { |
50 | 268 | uint32_t Length = sizeof(InfoStreamHeader) + |
51 | 268 | NamedStreams.calculateSerializedLength() + |
52 | 268 | (Features.size() + 1) * sizeof(uint32_t); |
53 | 268 | if (auto EC = Msf.setStreamSize(StreamPDB, Length)) |
54 | 0 | return EC; |
55 | 268 | return Error::success(); |
56 | 268 | } |
57 | | |
58 | | Error InfoStreamBuilder::commit(const msf::MSFLayout &Layout, |
59 | 134 | WritableBinaryStreamRef Buffer) const { |
60 | 134 | auto InfoS = WritableMappedBlockStream::createIndexedStream( |
61 | 134 | Layout, Buffer, StreamPDB, Msf.getAllocator()); |
62 | 134 | BinaryStreamWriter Writer(*InfoS); |
63 | 134 | |
64 | 134 | InfoStreamHeader H; |
65 | 134 | // Leave the build id fields 0 so they can be set as the last step before |
66 | 134 | // committing the file to disk. |
67 | 134 | ::memset(&H, 0, sizeof(H)); |
68 | 134 | H.Version = Ver; |
69 | 134 | if (auto EC = Writer.writeObject(H)) |
70 | 0 | return EC; |
71 | 134 | |
72 | 134 | if (auto EC = NamedStreams.commit(Writer)) |
73 | 0 | return EC; |
74 | 134 | if (auto EC = Writer.writeInteger(0)) |
75 | 0 | return EC; |
76 | 134 | for (auto E : Features) { |
77 | 58 | if (auto EC = Writer.writeEnum(E)) |
78 | 0 | return EC; |
79 | 58 | } |
80 | 134 | assert(Writer.bytesRemaining() == 0); |
81 | 134 | return Error::success(); |
82 | 134 | } |