79 lines · cpp
1//===-- RISCVAttributeParser.cpp - RISCV Attribute Parser -----------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "llvm/Support/RISCVAttributeParser.h"10#include "llvm/ADT/StringExtras.h"11 12using namespace llvm;13 14const RISCVAttributeParser::DisplayHandler15 RISCVAttributeParser::displayRoutines[] = {16 {17 RISCVAttrs::ARCH,18 &ELFCompactAttrParser::stringAttribute,19 },20 {21 RISCVAttrs::PRIV_SPEC,22 &ELFCompactAttrParser::integerAttribute,23 },24 {25 RISCVAttrs::PRIV_SPEC_MINOR,26 &ELFCompactAttrParser::integerAttribute,27 },28 {29 RISCVAttrs::PRIV_SPEC_REVISION,30 &ELFCompactAttrParser::integerAttribute,31 },32 {33 RISCVAttrs::STACK_ALIGN,34 &RISCVAttributeParser::stackAlign,35 },36 {37 RISCVAttrs::UNALIGNED_ACCESS,38 &RISCVAttributeParser::unalignedAccess,39 },40 {41 RISCVAttrs::ATOMIC_ABI,42 &RISCVAttributeParser::atomicAbi,43 },44};45 46Error RISCVAttributeParser::atomicAbi(unsigned Tag) {47 uint64_t Value = de.getULEB128(cursor);48 printAttribute(Tag, Value, "Atomic ABI is " + utostr(Value));49 return Error::success();50}51 52Error RISCVAttributeParser::unalignedAccess(unsigned tag) {53 static const char *const strings[] = {"No unaligned access",54 "Unaligned access"};55 return parseStringAttribute("Unaligned_access", tag, ArrayRef(strings));56}57 58Error RISCVAttributeParser::stackAlign(unsigned tag) {59 uint64_t value = de.getULEB128(cursor);60 std::string description =61 "Stack alignment is " + utostr(value) + std::string("-bytes");62 printAttribute(tag, value, description);63 return Error::success();64}65 66Error RISCVAttributeParser::handler(uint64_t tag, bool &handled) {67 handled = false;68 for (const auto &AH : displayRoutines) {69 if (uint64_t(AH.attribute) == tag) {70 if (Error e = (this->*AH.routine)(tag))71 return e;72 handled = true;73 break;74 }75 }76 77 return Error::success();78}79