| //===-- AppleArm64ExceptionClass.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 LLDB_TARGET_APPLEARM64EXCEPTIONCLASS_H |
| #define LLDB_TARGET_APPLEARM64EXCEPTIONCLASS_H |
| |
| #include <cstdint> |
| |
| namespace lldb_private { |
| |
| enum class AppleArm64ExceptionClass : unsigned { |
| #define APPLE_ARM64_EXCEPTION_CLASS(Name, Code) Name = Code, |
| #include "AppleArm64ExceptionClass.def" |
| }; |
| |
| /// Get the Apple ARM64 exception class encoded within \p esr. |
| inline AppleArm64ExceptionClass getAppleArm64ExceptionClass(uint32_t esr) { |
| /* |
| * Exception Syndrome Register |
| * |
| * 31 26 25 24 0 |
| * +------+--+------------------+ |
| * | EC |IL| ISS | |
| * +------+--+------------------+ |
| * |
| * EC - Exception Class |
| * IL - Instruction Length |
| * ISS - Instruction Specific Syndrome |
| */ |
| return static_cast<AppleArm64ExceptionClass>(esr >> 26); |
| } |
| |
| inline const char *toString(AppleArm64ExceptionClass EC) { |
| switch (EC) { |
| #define APPLE_ARM64_EXCEPTION_CLASS(Name, Code) \ |
| case AppleArm64ExceptionClass::Name: \ |
| return #Name; |
| #include "AppleArm64ExceptionClass.def" |
| } |
| return "Unknown Exception Class"; |
| } |
| |
| } // namespace lldb_private |
| |
| #endif // LLDB_TARGET_APPLEARM64EXCEPTIONCLASS_H |