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