1 //===-- RISCVAttributes.h - RISCV Attributes --------------------*- 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 // This file contains enumerations for RISCV attributes as defined in RISC-V
10 // ELF psABI specification.
11 //
12 // RISC-V ELF psABI specification
13 //
14 // https://github.com/riscv/riscv-elf-psabi-doc/blob/master/riscv-elf.md
15 //
16 //===----------------------------------------------------------------------===//
17 #ifndef LLVM_SUPPORT_RISCVATTRIBUTES_H
18 #define LLVM_SUPPORT_RISCVATTRIBUTES_H
19 
20 #include "llvm/Support/ELFAttributes.h"
21 
22 namespace llvm {
23 namespace RISCVAttrs {
24 
25 const TagNameMap &getRISCVAttributeTags();
26 
27 enum AttrType : unsigned {
28   // Attribute types in ELF/.riscv.attributes.
29   STACK_ALIGN = 4,
30   ARCH = 5,
31   UNALIGNED_ACCESS = 6,
32   PRIV_SPEC = 8,
33   PRIV_SPEC_MINOR = 10,
34   PRIV_SPEC_REVISION = 12,
35 };
36 
37 enum StackAlign { ALIGN_4 = 4, ALIGN_8 = 8, ALIGN_16 = 16 };
38 
39 enum { NOT_ALLOWED = 0, ALLOWED = 1 };
40 
41 } // namespace RISCVAttrs
42 } // namespace llvm
43 
44 #endif
45