summaryrefslogtreecommitdiffstats
path: root/gnu/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp')
-rw-r--r--gnu/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp116
1 files changed, 0 insertions, 116 deletions
diff --git a/gnu/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp b/gnu/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp
deleted file mode 100644
index 0f155a95d60..00000000000
--- a/gnu/llvm/lib/DebugInfo/CodeView/DebugChecksumsSubsection.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-//===- DebugChecksumsSubsection.cpp ---------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/DebugInfo/CodeView/CodeView.h"
-#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
-#include "llvm/Support/BinaryStreamReader.h"
-#include "llvm/Support/BinaryStreamWriter.h"
-#include "llvm/Support/Endian.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/MathExtras.h"
-#include <cassert>
-#include <cstdint>
-#include <cstring>
-
-using namespace llvm;
-using namespace llvm::codeview;
-
-struct FileChecksumEntryHeader {
- using ulittle32_t = support::ulittle32_t;
-
- ulittle32_t FileNameOffset; // Byte offset of filename in global string table.
- uint8_t ChecksumSize; // Number of bytes of checksum.
- uint8_t ChecksumKind; // FileChecksumKind
- // Checksum bytes follow.
-};
-
-Error VarStreamArrayExtractor<FileChecksumEntry>::
-operator()(BinaryStreamRef Stream, uint32_t &Len, FileChecksumEntry &Item) {
- BinaryStreamReader Reader(Stream);
-
- const FileChecksumEntryHeader *Header;
- if (auto EC = Reader.readObject(Header))
- return EC;
-
- Item.FileNameOffset = Header->FileNameOffset;
- Item.Kind = static_cast<FileChecksumKind>(Header->ChecksumKind);
- if (auto EC = Reader.readBytes(Item.Checksum, Header->ChecksumSize))
- return EC;
-
- Len = alignTo(Header->ChecksumSize + sizeof(FileChecksumEntryHeader), 4);
- return Error::success();
-}
-
-Error DebugChecksumsSubsectionRef::initialize(BinaryStreamReader Reader) {
- if (auto EC = Reader.readArray(Checksums, Reader.bytesRemaining()))
- return EC;
-
- return Error::success();
-}
-
-Error DebugChecksumsSubsectionRef::initialize(BinaryStreamRef Section) {
- BinaryStreamReader Reader(Section);
- return initialize(Reader);
-}
-
-DebugChecksumsSubsection::DebugChecksumsSubsection(
- DebugStringTableSubsection &Strings)
- : DebugSubsection(DebugSubsectionKind::FileChecksums), Strings(Strings) {}
-
-void DebugChecksumsSubsection::addChecksum(StringRef FileName,
- FileChecksumKind Kind,
- ArrayRef<uint8_t> Bytes) {
- FileChecksumEntry Entry;
- if (!Bytes.empty()) {
- uint8_t *Copy = Storage.Allocate<uint8_t>(Bytes.size());
- ::memcpy(Copy, Bytes.data(), Bytes.size());
- Entry.Checksum = makeArrayRef(Copy, Bytes.size());
- }
-
- Entry.FileNameOffset = Strings.insert(FileName);
- Entry.Kind = Kind;
- Checksums.push_back(Entry);
-
- // This maps the offset of this string in the string table to the offset
- // of this checksum entry in the checksum buffer.
- OffsetMap[Entry.FileNameOffset] = SerializedSize;
- assert(SerializedSize % 4 == 0);
-
- uint32_t Len = alignTo(sizeof(FileChecksumEntryHeader) + Bytes.size(), 4);
- SerializedSize += Len;
-}
-
-uint32_t DebugChecksumsSubsection::calculateSerializedSize() const {
- return SerializedSize;
-}
-
-Error DebugChecksumsSubsection::commit(BinaryStreamWriter &Writer) const {
- for (const auto &FC : Checksums) {
- FileChecksumEntryHeader Header;
- Header.ChecksumKind = uint8_t(FC.Kind);
- Header.ChecksumSize = FC.Checksum.size();
- Header.FileNameOffset = FC.FileNameOffset;
- if (auto EC = Writer.writeObject(Header))
- return EC;
- if (auto EC = Writer.writeArray(makeArrayRef(FC.Checksum)))
- return EC;
- if (auto EC = Writer.padToAlignment(4))
- return EC;
- }
- return Error::success();
-}
-
-uint32_t DebugChecksumsSubsection::mapChecksumOffset(StringRef FileName) const {
- uint32_t Offset = Strings.getIdForString(FileName);
- auto Iter = OffsetMap.find(Offset);
- assert(Iter != OffsetMap.end());
- return Iter->second;
-}