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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
//===- FDRTraceWriter.h - XRay FDR Trace Writer -----------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Test a utility that can write out XRay FDR Mode formatted trace files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_INCLUDE_LLVM_XRAY_FDRTRACEWRITER_H_
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#define LLVM_INCLUDE_LLVM_XRAY_FDRTRACEWRITER_H_
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/EndianStream.h"
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#include "llvm/XRay/FDRRecords.h"
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#include "llvm/XRay/XRayRecord.h"
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namespace llvm {
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namespace xray {
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/// The FDRTraceWriter allows us to hand-craft an XRay Flight Data Recorder
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/// (FDR) mode log file. This is used primarily for testing, generating
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/// sequences of FDR records that can be read/processed. It can also be used to
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/// generate various kinds of execution traces without using the XRay runtime.
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/// Note that this writer does not do any validation, but uses the types of
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/// records defined in the FDRRecords.h file.
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class FDRTraceWriter : public RecordVisitor {
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public:
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// Construct an FDRTraceWriter associated with an output stream.
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explicit FDRTraceWriter(raw_ostream &O, const XRayFileHeader &H);
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~FDRTraceWriter();
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Error visit(BufferExtents &) override;
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Error visit(WallclockRecord &) override;
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Error visit(NewCPUIDRecord &) override;
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Error visit(TSCWrapRecord &) override;
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Error visit(CustomEventRecord &) override;
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Error visit(CallArgRecord &) override;
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Error visit(PIDRecord &) override;
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Error visit(NewBufferRecord &) override;
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Error visit(EndBufferRecord &) override;
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Error visit(FunctionRecord &) override;
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Error visit(CustomEventRecordV5 &) override;
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Error visit(TypedEventRecord &) override;
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private:
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support::endian::Writer OS;
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};
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} // namespace xray
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} // namespace llvm
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#endif // LLVM_INCLUDE_LLVM_XRAY_FDRTRACEWRITER_H_
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