82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
//===-- Error.h -------------------------------------------------*- 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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#ifndef LLVM_TOOLS_LLVM_EXEGESIS_ERROR_H
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#define LLVM_TOOLS_LLVM_EXEGESIS_ERROR_H
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/Error.h"
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namespace llvm {
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namespace exegesis {
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// A class representing failures that happened within llvm-exegesis, they are
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// used to report informations to the user.
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class Failure : public StringError {
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public:
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Failure(const Twine &S) : StringError(S, inconvertibleErrorCode()) {}
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};
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// A class representing failures that happened during clustering calculations.
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class ClusteringError : public ErrorInfo<ClusteringError> {
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public:
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static char ID;
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ClusteringError(const Twine &S) : Msg(S.str()) {}
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void log(raw_ostream &OS) const override;
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std::error_code convertToErrorCode() const override;
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private:
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std::string Msg;
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};
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// A class representing a non-descript snippet execution failure. This class
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// is designed to sub-classed into more specific failures that contain
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// additional data about the specific error that they represent. Instead of
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// halting the program, the errors are reported in the output.
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class SnippetExecutionFailure : public ErrorInfo<SnippetExecutionFailure> {
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public:
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static char ID;
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std::error_code convertToErrorCode() const override;
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};
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// A class representing specifically segmentation faults that happen during
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// snippet execution.
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class SnippetSegmentationFault : public SnippetExecutionFailure {
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public:
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static char ID;
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SnippetSegmentationFault(intptr_t SegFaultAddress)
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: Address(SegFaultAddress){};
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intptr_t getAddress() { return Address; }
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void log(raw_ostream &OS) const override;
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private:
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intptr_t Address;
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};
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// A class representing all other non-specific failures that happen during
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// snippet execution.
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class SnippetSignal : public SnippetExecutionFailure {
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public:
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static char ID;
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SnippetSignal(int Signal) : SignalNumber(Signal){};
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void log(raw_ostream &OS) const override;
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private:
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int SignalNumber;
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};
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} // namespace exegesis
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} // namespace llvm
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#endif
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