contrib/llvm/lib/DebugInfo/CodeView/StringsAndChecksums.cpp

   1 //===- StringsAndChecksums.cpp ----------------------------------*- C++ -*-===//
   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/DebugInfo/CodeView/DebugChecksumsSubsection.h"
  12 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
  13 #include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
  14
  15 using namespace llvm;
  16 using namespace llvm::codeview;
  17
  18 StringsAndChecksumsRef::StringsAndChecksumsRef() {}
  19
  20 StringsAndChecksumsRef::StringsAndChecksumsRef(
  21     const DebugStringTableSubsectionRef &Strings)
  22     : Strings(&Strings) {}
  23
  24 StringsAndChecksumsRef::StringsAndChecksumsRef(
  25     const DebugStringTableSubsectionRef &Strings,
  26     const DebugChecksumsSubsectionRef &Checksums)
  27     : Strings(&Strings), Checksums(&Checksums) {}
  28
  29 void StringsAndChecksumsRef::initializeStrings(
  30     const DebugSubsectionRecord &SR) {
  31   assert(SR.kind() == DebugSubsectionKind::StringTable);
  32   assert(!Strings && "Found a string table even though we already have one!");
  33
  34   OwnedStrings = llvm::make_unique<DebugStringTableSubsectionRef>();
  35   consumeError(OwnedStrings->initialize(SR.getRecordData()));
  36   Strings = OwnedStrings.get();
  37 }
  38
  39 void StringsAndChecksumsRef::setChecksums(
  40     const DebugChecksumsSubsectionRef &CS) {
  41   OwnedChecksums = llvm::make_unique<DebugChecksumsSubsectionRef>();
  42   *OwnedChecksums = CS;
  43   Checksums = OwnedChecksums.get();
  44 }
  45
  46 void StringsAndChecksumsRef::initializeChecksums(
  47     const DebugSubsectionRecord &FCR) {
  48   assert(FCR.kind() == DebugSubsectionKind::FileChecksums);
  49   if (Checksums)
  50     return;
  51
  52   OwnedChecksums = llvm::make_unique<DebugChecksumsSubsectionRef>();
  53   consumeError(OwnedChecksums->initialize(FCR.getRecordData()));
  54   Checksums = OwnedChecksums.get();
  55 }