LLVM
18.0.0git
include
llvm
XRay
BlockVerifier.h
Go to the documentation of this file.
1
//===- BlockVerifier.h - FDR Block Verifier -------------------------------===//
2
//
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
6
//
7
//===----------------------------------------------------------------------===//
8
//
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.
11
//
12
//===----------------------------------------------------------------------===//
13
#ifndef LLVM_XRAY_BLOCKVERIFIER_H
14
#define LLVM_XRAY_BLOCKVERIFIER_H
15
16
#include "
llvm/XRay/FDRRecords.h
"
17
#include <array>
18
#include <bitset>
19
20
namespace
llvm
{
21
namespace
xray {
22
23
class
BlockVerifier
:
public
RecordVisitor
{
24
public
:
25
// We force State elements to be size_t, to be used as indices for containers.
26
enum class
State
: std::size_t {
27
Unknown
,
28
BufferExtents
,
29
NewBuffer
,
30
WallClockTime
,
31
PIDEntry
,
32
NewCPUId
,
33
TSCWrap
,
34
CustomEvent
,
35
TypedEvent
,
36
Function
,
37
CallArg
,
38
EndOfBuffer
,
39
StateMax
,
40
};
41
42
private
:
43
// We keep track of the current record seen by the verifier.
44
State
CurrentRecord =
State::Unknown
;
45
46
// Transitions the current record to the new record, records an error on
47
// invalid transitions.
48
Error
transition(
State
To);
49
50
public
:
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
;
63
64
Error
verify
();
65
void
reset
();
66
};
67
68
}
// namespace xray
69
}
// namespace llvm
70
71
#endif
// LLVM_XRAY_BLOCKVERIFIER_H
FDRRecords.h
llvm::Error
Lightweight error class with error context and mandatory checking.
Definition:
Error.h:160
llvm::xray::BlockVerifier
Definition:
BlockVerifier.h:23
llvm::xray::BlockVerifier::visit
Error visit(BufferExtents &) override
Definition:
BlockVerifier.cpp:136
llvm::xray::BlockVerifier::verify
Error verify()
Definition:
BlockVerifier.cpp:182
llvm::xray::BlockVerifier::State
State
Definition:
BlockVerifier.h:26
llvm::xray::BlockVerifier::State::WallClockTime
@ WallClockTime
llvm::xray::BlockVerifier::State::CallArg
@ CallArg
llvm::xray::BlockVerifier::State::NewCPUId
@ NewCPUId
llvm::xray::BlockVerifier::State::TypedEvent
@ TypedEvent
llvm::xray::BlockVerifier::State::TSCWrap
@ TSCWrap
llvm::xray::BlockVerifier::State::Function
@ Function
llvm::xray::BlockVerifier::State::Unknown
@ Unknown
llvm::xray::BlockVerifier::State::NewBuffer
@ NewBuffer
llvm::xray::BlockVerifier::State::StateMax
@ StateMax
llvm::xray::BlockVerifier::State::PIDEntry
@ PIDEntry
llvm::xray::BlockVerifier::State::CustomEvent
@ CustomEvent
llvm::xray::BlockVerifier::State::BufferExtents
@ BufferExtents
llvm::xray::BlockVerifier::State::EndOfBuffer
@ EndOfBuffer
llvm::xray::BlockVerifier::reset
void reset()
Definition:
BlockVerifier.cpp:201
llvm::xray::BufferExtents
Definition:
FDRRecords.h:110
llvm::xray::CallArgRecord
Definition:
FDRRecords.h:291
llvm::xray::CustomEventRecordV5
Definition:
FDRRecords.h:235
llvm::xray::CustomEventRecord
Definition:
FDRRecords.h:206
llvm::xray::EndBufferRecord
Definition:
FDRRecords.h:359
llvm::xray::FunctionRecord
Definition:
FDRRecords.h:372
llvm::xray::NewBufferRecord
Definition:
FDRRecords.h:336
llvm::xray::NewCPUIDRecord
Definition:
FDRRecords.h:158
llvm::xray::PIDRecord
Definition:
FDRRecords.h:313
llvm::xray::RecordVisitor
Definition:
FDRRecords.h:399
llvm::xray::TSCWrapRecord
Definition:
FDRRecords.h:184
llvm::xray::TypedEventRecord
Definition:
FDRRecords.h:262
llvm::xray::WallclockRecord
Definition:
FDRRecords.h:133
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition:
AddressRanges.h:18
Generated on Sun Oct 1 2023 03:24:26 for LLVM by
1.9.6