[llvm] [ORC][JITLink] Add Intel VTune support to JITLink (PR #83957)

[Lang Hames via llvm-commits]

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+//===-------------------- VTuneSharedStructs.h ------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Structs and serialization to share VTune-related information
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_EXECUTIONENGINE_ORC_SHARED_VTUNESHAREDSTRUCTS_H
+#define LLVM_EXECUTIONENGINE_ORC_SHARED_VTUNESHAREDSTRUCTS_H
+
+namespace llvm {
+namespace orc {
+
+using VTuneLineTable = std::vector<std::pair<unsigned, unsigned>>;
+
+// SI = String Index, 1-indexed into the VTuneMethodBatch::Strings table.
+// SI == 0 means replace with nullptr.
+
+// MI = Method Index, 1-indexed into the VTuneMethodBatch::Methods table.
+// MI == 0 means this is a parent method and was not inlined.
+
+struct VTuneMethodInfo {
+  VTuneLineTable LineTable;
+  ExecutorAddr LoadAddr;
+  uint64_t LoadSize;
+  uint64_t MethodID;
+  uint32_t NameSI;
+  uint32_t ClassFileSI;
+  uint32_t SourceFileSI;
+  uint32_t ParentMI;
+};
+
+using VTuneMethodTable = std::vector<VTuneMethodInfo>;
+using VTuneStringTable = std::vector<std::string>;
+
+struct VTuneMethodBatch {
+  VTuneMethodTable Methods;
+  VTuneStringTable Strings;
+};
+
+using VTuneUnloadedMethodIDs = SmallVector<std::pair<uint64_t, uint64_t>>;
+
+namespace shared {
+
+using SPSVTuneLineTable = SPSSequence<SPSTuple<uint32_t, uint32_t>>;
+using SPSVTuneMethodInfo =
+    SPSTuple<SPSVTuneLineTable, SPSExecutorAddr, uint64_t, uint64_t, uint32_t,
+             uint32_t, uint32_t, uint32_t>;
+using SPSVTuneMethodTable = SPSSequence<SPSVTuneMethodInfo>;
+using SPSVTuneStringTable = SPSSequence<SPSString>;
+using SPSVTuneMethodBatch = SPSTuple<SPSVTuneMethodTable, SPSVTuneStringTable>;
+using SPSVTuneUnloadedMethodIDs = SPSSequence<SPSTuple<uint64_t, uint64_t>>;
+
+template <> class SPSSerializationTraits<SPSVTuneMethodInfo, VTuneMethodInfo> {
+public:
+  static size_t size(const VTuneMethodInfo &MI) {
+    return SPSVTuneMethodInfo::AsArgList::size(
+        MI.LineTable, MI.LoadAddr, MI.LoadSize, MI.MethodID, MI.NameSI,
+        MI.ClassFileSI, MI.SourceFileSI, MI.ParentMI);
+  }
+
+  static bool deserialize(SPSInputBuffer &IB, VTuneMethodInfo &MI) {
+    return SPSVTuneMethodInfo::AsArgList::deserialize(
+        IB, MI.LineTable, MI.LoadAddr, MI.LoadSize, MI.MethodID, MI.NameSI,
+        MI.ClassFileSI, MI.SourceFileSI, MI.ParentMI);
+  }
+
+  static bool serialize(SPSOutputBuffer &OB, const VTuneMethodInfo &MI) {
+    return SPSVTuneMethodInfo::AsArgList::serialize(
+        OB, MI.LineTable, MI.LoadAddr, MI.LoadSize, MI.MethodID, MI.NameSI,
+        MI.ClassFileSI, MI.SourceFileSI, MI.ParentMI);
+  }
+};
+
+template <>
+class SPSSerializationTraits<SPSVTuneMethodBatch, VTuneMethodBatch> {
+public:
+  static size_t size(const VTuneMethodBatch &MB) {
+    return SPSVTuneMethodBatch::AsArgList::size(MB.Methods, MB.Strings);
+  }
+
+  static bool deserialize(SPSInputBuffer &IB, VTuneMethodBatch &MB) {
+    return SPSVTuneMethodBatch::AsArgList::deserialize(IB, MB.Methods,
+                                                       MB.Strings);
+  }
+
+  static bool serialize(SPSOutputBuffer &OB, const VTuneMethodBatch &MB) {
+    return SPSVTuneMethodBatch::AsArgList::serialize(OB, MB.Methods,
+                                                     MB.Strings);
+  }
+};
+
+} // end namespace shared
+} // end namespace orc
+} // end namespace llvm
+
+#endif
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lhames wrote:

Missing newline.

https://github.com/llvm/llvm-project/pull/83957