1 //===- BlockVerifier.h - FDR Block Verifier -------------------------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // An implementation of the RecordVisitor which verifies a sequence of records
10 // associated with a block, following the FDR mode log format's specifications.
12 //===----------------------------------------------------------------------===//
13 #ifndef LLVM_INCLUDE_LLVM_XRAY_BLOCKVERIFIER_H_
14 #define LLVM_INCLUDE_LLVM_XRAY_BLOCKVERIFIER_H_
16 #include "llvm/XRay/FDRRecords.h"
23 class BlockVerifier : public RecordVisitor {
25 // We force State elements to be size_t, to be used as indices for containers.
26 enum class State : std::size_t {
43 // We keep track of the current record seen by the verifier.
44 State CurrentRecord = State::Unknown;
46 // Transitions the current record to the new record, records an error on
47 // invalid transitions.
48 Error transition(State To);
51 Error visit(BufferExtents &) override;
52 Error visit(WallclockRecord &) override;
53 Error visit(NewCPUIDRecord &) override;
54 Error visit(TSCWrapRecord &) override;
55 Error visit(CustomEventRecord &) override;
56 Error visit(CallArgRecord &) override;
57 Error visit(PIDRecord &) override;
58 Error visit(NewBufferRecord &) override;
59 Error visit(EndBufferRecord &) override;
60 Error visit(FunctionRecord &) override;
61 Error visit(CustomEventRecordV5 &) override;
62 Error visit(TypedEventRecord &) override;
71 #endif // LLVM_INCLUDE_LLVM_XRAY_BLOCKVERIFIER_H_