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 ATOMIC_ABI = 14, 36 }; 37 38 enum class RISCVAtomicAbiTag : unsigned { 39 // Values for Tag_RISCV_atomic_abi 40 // Defined at 41 // https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-elf.adoc#tag_riscv_atomic_abi-14-uleb128version 42 UNKNOWN = 0, 43 A6C = 1, 44 A6S = 2, 45 A7 = 3, 46 }; 47 48 enum { NOT_ALLOWED = 0, ALLOWED = 1 }; 49 50 } // namespace RISCVAttrs 51 } // namespace llvm 52 53 #endif 54