[CodeView] Rename ModuleDebugFragment -> DebugSubsection.
This is more concise, and matches the terminology used in other
parts of the codebase more closely.
llvm-svn: 304218
diff --git a/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp b/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp
new file mode 100644
index 0000000..a565a6a
--- /dev/null
+++ b/llvm/lib/DebugInfo/CodeView/DebugInlineeLinesSubsection.cpp
@@ -0,0 +1,123 @@
+//===- DebugInlineeLinesSubsection.cpp ------------------------*- C++-*-===//
+//
+// 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/DebugInlineeLinesSubsection.h"
+
+#include "llvm/DebugInfo/CodeView/CodeViewError.h"
+#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
+#include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
+#include "llvm/DebugInfo/CodeView/StringTable.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+
+Error VarStreamArrayExtractor<InlineeSourceLine>::extract(
+ BinaryStreamRef Stream, uint32_t &Len, InlineeSourceLine &Item,
+ bool HasExtraFiles) {
+ BinaryStreamReader Reader(Stream);
+
+ if (auto EC = Reader.readObject(Item.Header))
+ return EC;
+
+ if (HasExtraFiles) {
+ uint32_t ExtraFileCount;
+ if (auto EC = Reader.readInteger(ExtraFileCount))
+ return EC;
+ if (auto EC = Reader.readArray(Item.ExtraFiles, ExtraFileCount))
+ return EC;
+ }
+
+ Len = Reader.getOffset();
+ return Error::success();
+}
+
+DebugInlineeLinesSubsectionRef::DebugInlineeLinesSubsectionRef()
+ : DebugSubsectionRef(DebugSubsectionKind::InlineeLines) {}
+
+Error DebugInlineeLinesSubsectionRef::initialize(BinaryStreamReader Reader) {
+ if (auto EC = Reader.readEnum(Signature))
+ return EC;
+
+ if (auto EC =
+ Reader.readArray(Lines, Reader.bytesRemaining(), hasExtraFiles()))
+ return EC;
+
+ assert(Reader.bytesRemaining() == 0);
+ return Error::success();
+}
+
+bool DebugInlineeLinesSubsectionRef::hasExtraFiles() const {
+ return Signature == InlineeLinesSignature::ExtraFiles;
+}
+
+DebugInlineeLinesSubsection::DebugInlineeLinesSubsection(
+ DebugChecksumsSubsection &Checksums, bool HasExtraFiles)
+ : DebugSubsection(DebugSubsectionKind::InlineeLines), Checksums(Checksums),
+ HasExtraFiles(HasExtraFiles) {}
+
+uint32_t DebugInlineeLinesSubsection::calculateSerializedLength() {
+ // 4 bytes for the signature
+ uint32_t Size = sizeof(InlineeLinesSignature);
+
+ // one header for each entry.
+ Size += Entries.size() * sizeof(InlineeSourceLineHeader);
+ if (HasExtraFiles) {
+ // If extra files are enabled, one count for each entry.
+ Size += Entries.size() * sizeof(uint32_t);
+
+ // And one file id for each file.
+ Size += ExtraFileCount * sizeof(uint32_t);
+ }
+ assert(Size % 4 == 0);
+ return Size;
+}
+
+Error DebugInlineeLinesSubsection::commit(BinaryStreamWriter &Writer) {
+ InlineeLinesSignature Sig = InlineeLinesSignature::Normal;
+ if (HasExtraFiles)
+ Sig = InlineeLinesSignature::ExtraFiles;
+
+ if (auto EC = Writer.writeEnum(Sig))
+ return EC;
+
+ for (const auto &E : Entries) {
+ if (auto EC = Writer.writeObject(E.Header))
+ return EC;
+
+ if (!HasExtraFiles)
+ continue;
+
+ if (auto EC = Writer.writeInteger<uint32_t>(E.ExtraFiles.size()))
+ return EC;
+ if (auto EC = Writer.writeArray(makeArrayRef(E.ExtraFiles)))
+ return EC;
+ }
+
+ return Error::success();
+}
+
+void DebugInlineeLinesSubsection::addExtraFile(StringRef FileName) {
+ uint32_t Offset = Checksums.mapChecksumOffset(FileName);
+
+ auto &Entry = Entries.back();
+ Entry.ExtraFiles.push_back(ulittle32_t(Offset));
+ ++ExtraFileCount;
+}
+
+void DebugInlineeLinesSubsection::addInlineSite(TypeIndex FuncId,
+ StringRef FileName,
+ uint32_t SourceLine) {
+ uint32_t Offset = Checksums.mapChecksumOffset(FileName);
+
+ Entries.emplace_back();
+ auto &Entry = Entries.back();
+ Entry.Header.FileID = Offset;
+ Entry.Header.SourceLineNum = SourceLine;
+ Entry.Header.Inlinee = FuncId;
+}