1 | //===-- AppleArm64ExceptionClass.h ------------------------------*- C++ -*-===// |
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 | #ifndef LLDB_TARGET_APPLEARM64EXCEPTIONCLASS_H |
10 | #define LLDB_TARGET_APPLEARM64EXCEPTIONCLASS_H |
11 | |
12 | #include <cstdint> |
13 | |
14 | namespace lldb_private { |
15 | |
16 | enum class AppleArm64ExceptionClass : unsigned { |
17 | #define APPLE_ARM64_EXCEPTION_CLASS(Name, Code) Name = Code, |
18 | #include "AppleArm64ExceptionClass.def" |
19 | }; |
20 | |
21 | /// Get the Apple ARM64 exception class encoded within \p esr. |
22 | inline AppleArm64ExceptionClass getAppleArm64ExceptionClass(uint32_t esr) { |
23 | /* |
24 | * Exception Syndrome Register |
25 | * |
26 | * 31 26 25 24 0 |
27 | * +------+--+------------------+ |
28 | * | EC |IL| ISS | |
29 | * +------+--+------------------+ |
30 | * |
31 | * EC - Exception Class |
32 | * IL - Instruction Length |
33 | * ISS - Instruction Specific Syndrome |
34 | */ |
35 | return static_cast<AppleArm64ExceptionClass>(esr >> 26); |
36 | } |
37 | |
38 | inline const char *toString(AppleArm64ExceptionClass EC) { |
39 | switch (EC) { |
40 | #define APPLE_ARM64_EXCEPTION_CLASS(Name, Code) \ |
41 | case AppleArm64ExceptionClass::Name: \ |
42 | return #Name; |
43 | #include "AppleArm64ExceptionClass.def" |
44 | } |
45 | return "Unknown Exception Class" ; |
46 | } |
47 | |
48 | } // namespace lldb_private |
49 | |
50 | #endif // LLDB_TARGET_APPLEARM64EXCEPTIONCLASS_H |
51 | |