1 //===- StringsAndChecksums.cpp --------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
11 #include "llvm/ADT/STLExtras.h"
12 #include "llvm/DebugInfo/CodeView/CodeView.h"
13 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
14 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
15 #include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
16 #include "llvm/Support/Error.h"
17 #include <cassert>
18 
19 using namespace llvm;
20 using namespace llvm::codeview;
21 
22 StringsAndChecksumsRef::StringsAndChecksumsRef() = default;
23 
24 StringsAndChecksumsRef::StringsAndChecksumsRef(
25     const DebugStringTableSubsectionRef &Strings)
26     : Strings(&Strings) {}
27 
28 StringsAndChecksumsRef::StringsAndChecksumsRef(
29     const DebugStringTableSubsectionRef &Strings,
30     const DebugChecksumsSubsectionRef &Checksums)
31     : Strings(&Strings), Checksums(&Checksums) {}
32 
33 void StringsAndChecksumsRef::initializeStrings(
34     const DebugSubsectionRecord &SR) {
35   assert(SR.kind() == DebugSubsectionKind::StringTable);
36   assert(!Strings && "Found a string table even though we already have one!");
37 
38   OwnedStrings = llvm::make_unique<DebugStringTableSubsectionRef>();
39   consumeError(OwnedStrings->initialize(SR.getRecordData()));
40   Strings = OwnedStrings.get();
41 }
42 
43 void StringsAndChecksumsRef::setChecksums(
44     const DebugChecksumsSubsectionRef &CS) {
45   OwnedChecksums = llvm::make_unique<DebugChecksumsSubsectionRef>();
46   *OwnedChecksums = CS;
47   Checksums = OwnedChecksums.get();
48 }
49 
50 void StringsAndChecksumsRef::initializeChecksums(
51     const DebugSubsectionRecord &FCR) {
52   assert(FCR.kind() == DebugSubsectionKind::FileChecksums);
53   if (Checksums)
54     return;
55 
56   OwnedChecksums = llvm::make_unique<DebugChecksumsSubsectionRef>();
57   consumeError(OwnedChecksums->initialize(FCR.getRecordData()));
58   Checksums = OwnedChecksums.get();
59 }
60