15ffd83dbSDimitry Andric //===-- RISCVAttributeParser.cpp - RISCV Attribute Parser -----------------===// 25ffd83dbSDimitry Andric // 35ffd83dbSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 45ffd83dbSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 55ffd83dbSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 65ffd83dbSDimitry Andric // 75ffd83dbSDimitry Andric //===----------------------------------------------------------------------===// 85ffd83dbSDimitry Andric 95ffd83dbSDimitry Andric #include "llvm/Support/RISCVAttributeParser.h" 105ffd83dbSDimitry Andric #include "llvm/ADT/StringExtras.h" 115ffd83dbSDimitry Andric 125ffd83dbSDimitry Andric using namespace llvm; 135ffd83dbSDimitry Andric 145ffd83dbSDimitry Andric const RISCVAttributeParser::DisplayHandler 155ffd83dbSDimitry Andric RISCVAttributeParser::displayRoutines[] = { 165ffd83dbSDimitry Andric { 175ffd83dbSDimitry Andric RISCVAttrs::ARCH, 185ffd83dbSDimitry Andric &ELFAttributeParser::stringAttribute, 195ffd83dbSDimitry Andric }, 205ffd83dbSDimitry Andric { 215ffd83dbSDimitry Andric RISCVAttrs::PRIV_SPEC, 225ffd83dbSDimitry Andric &ELFAttributeParser::integerAttribute, 235ffd83dbSDimitry Andric }, 245ffd83dbSDimitry Andric { 255ffd83dbSDimitry Andric RISCVAttrs::PRIV_SPEC_MINOR, 265ffd83dbSDimitry Andric &ELFAttributeParser::integerAttribute, 275ffd83dbSDimitry Andric }, 285ffd83dbSDimitry Andric { 295ffd83dbSDimitry Andric RISCVAttrs::PRIV_SPEC_REVISION, 305ffd83dbSDimitry Andric &ELFAttributeParser::integerAttribute, 315ffd83dbSDimitry Andric }, 325ffd83dbSDimitry Andric { 335ffd83dbSDimitry Andric RISCVAttrs::STACK_ALIGN, 345ffd83dbSDimitry Andric &RISCVAttributeParser::stackAlign, 355ffd83dbSDimitry Andric }, 365ffd83dbSDimitry Andric { 375ffd83dbSDimitry Andric RISCVAttrs::UNALIGNED_ACCESS, 385ffd83dbSDimitry Andric &RISCVAttributeParser::unalignedAccess, 39*0fca6ea1SDimitry Andric }, 40*0fca6ea1SDimitry Andric { 41*0fca6ea1SDimitry Andric RISCVAttrs::ATOMIC_ABI, 42*0fca6ea1SDimitry Andric &RISCVAttributeParser::atomicAbi, 43*0fca6ea1SDimitry Andric }, 44*0fca6ea1SDimitry Andric }; 45*0fca6ea1SDimitry Andric 46*0fca6ea1SDimitry Andric Error RISCVAttributeParser::atomicAbi(unsigned Tag) { 47*0fca6ea1SDimitry Andric uint64_t Value = de.getULEB128(cursor); 48*0fca6ea1SDimitry Andric printAttribute(Tag, Value, "Atomic ABI is " + utostr(Value)); 49*0fca6ea1SDimitry Andric return Error::success(); 50*0fca6ea1SDimitry Andric } 515ffd83dbSDimitry Andric 525ffd83dbSDimitry Andric Error RISCVAttributeParser::unalignedAccess(unsigned tag) { 535ffd83dbSDimitry Andric static const char *strings[] = {"No unaligned access", "Unaligned access"}; 54bdd1243dSDimitry Andric return parseStringAttribute("Unaligned_access", tag, ArrayRef(strings)); 555ffd83dbSDimitry Andric } 565ffd83dbSDimitry Andric 575ffd83dbSDimitry Andric Error RISCVAttributeParser::stackAlign(unsigned tag) { 585ffd83dbSDimitry Andric uint64_t value = de.getULEB128(cursor); 595ffd83dbSDimitry Andric std::string description = 605ffd83dbSDimitry Andric "Stack alignment is " + utostr(value) + std::string("-bytes"); 615ffd83dbSDimitry Andric printAttribute(tag, value, description); 625ffd83dbSDimitry Andric return Error::success(); 635ffd83dbSDimitry Andric } 645ffd83dbSDimitry Andric 655ffd83dbSDimitry Andric Error RISCVAttributeParser::handler(uint64_t tag, bool &handled) { 665ffd83dbSDimitry Andric handled = false; 67bdd1243dSDimitry Andric for (const auto &AH : displayRoutines) { 68bdd1243dSDimitry Andric if (uint64_t(AH.attribute) == tag) { 69bdd1243dSDimitry Andric if (Error e = (this->*AH.routine)(tag)) 705ffd83dbSDimitry Andric return e; 715ffd83dbSDimitry Andric handled = true; 725ffd83dbSDimitry Andric break; 735ffd83dbSDimitry Andric } 745ffd83dbSDimitry Andric } 755ffd83dbSDimitry Andric 765ffd83dbSDimitry Andric return Error::success(); 775ffd83dbSDimitry Andric } 78