1 | //===---------------- ARMTargetParserCommon ---------------------*- 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 | // Code that is common to ARMTargetParser and AArch64TargetParser. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_TARGETPARSER_ARMTARGETPARSERCOMMON_H |
14 | #define LLVM_TARGETPARSER_ARMTARGETPARSERCOMMON_H |
15 | |
16 | #include "llvm/ADT/StringRef.h" |
17 | |
18 | namespace llvm { |
19 | namespace ARM { |
20 | |
21 | enum class ISAKind { INVALID = 0, ARM, THUMB, AARCH64 }; |
22 | |
23 | enum class EndianKind { INVALID = 0, LITTLE, BIG }; |
24 | |
25 | /// Converts e.g. "armv8" -> "armv8-a" |
26 | StringRef getArchSynonym(StringRef Arch); |
27 | |
28 | /// MArch is expected to be of the form (arm|thumb)?(eb)?(v.+)?(eb)?, but |
29 | /// (iwmmxt|xscale)(eb)? is also permitted. If the former, return |
30 | /// "v.+", if the latter, return unmodified string, minus 'eb'. |
31 | /// If invalid, return empty string. |
32 | StringRef getCanonicalArchName(StringRef Arch); |
33 | |
34 | // ARM, Thumb, AArch64 |
35 | ISAKind parseArchISA(StringRef Arch); |
36 | |
37 | // Little/Big endian |
38 | EndianKind parseArchEndian(StringRef Arch); |
39 | |
40 | struct ParsedBranchProtection { |
41 | StringRef Scope; |
42 | StringRef Key; |
43 | bool BranchTargetEnforcement; |
44 | bool BranchProtectionPAuthLR; |
45 | bool GuardedControlStack; |
46 | }; |
47 | |
48 | bool parseBranchProtection(StringRef Spec, ParsedBranchProtection &PBP, |
49 | StringRef &Err); |
50 | |
51 | } // namespace ARM |
52 | } // namespace llvm |
53 | #endif |
54 | |