| 1 | //===-- RISCVAttributeParser.cpp - RISCV Attribute Parser -----------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "llvm/Support/RISCVAttributeParser.h" |
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| 10 | #include "llvm/ADT/StringExtras.h" |
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| 11 | |
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| 12 | using namespace llvm; |
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| 13 | |
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| 14 | const RISCVAttributeParser::DisplayHandler |
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| 15 | RISCVAttributeParser::displayRoutines[] = { |
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| 16 | { |
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| 17 | .attribute: RISCVAttrs::ARCH, |
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| 18 | .routine: &ELFAttributeParser::stringAttribute, |
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| 19 | }, |
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| 20 | { |
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| 21 | .attribute: RISCVAttrs::PRIV_SPEC, |
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| 22 | .routine: &ELFAttributeParser::integerAttribute, |
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| 23 | }, |
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| 24 | { |
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| 25 | .attribute: RISCVAttrs::PRIV_SPEC_MINOR, |
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| 26 | .routine: &ELFAttributeParser::integerAttribute, |
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| 27 | }, |
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| 28 | { |
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| 29 | .attribute: RISCVAttrs::PRIV_SPEC_REVISION, |
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| 30 | .routine: &ELFAttributeParser::integerAttribute, |
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| 31 | }, |
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| 32 | { |
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| 33 | .attribute: RISCVAttrs::STACK_ALIGN, |
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| 34 | .routine: &RISCVAttributeParser::stackAlign, |
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| 35 | }, |
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| 36 | { |
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| 37 | .attribute: RISCVAttrs::UNALIGNED_ACCESS, |
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| 38 | .routine: &RISCVAttributeParser::unalignedAccess, |
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| 39 | }}; |
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| 40 | |
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| 41 | Error RISCVAttributeParser::unalignedAccess(unsigned tag) { |
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| 42 | static const char *strings[] = {"No unaligned access" , "Unaligned access" }; |
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| 43 | return parseStringAttribute(name: "Unaligned_access" , tag, strings: ArrayRef(strings)); |
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| 44 | } |
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| 45 | |
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| 46 | Error RISCVAttributeParser::stackAlign(unsigned tag) { |
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| 47 | uint64_t value = de.getULEB128(C&: cursor); |
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| 48 | std::string description = |
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| 49 | "Stack alignment is " + utostr(X: value) + std::string("-bytes" ); |
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| 50 | printAttribute(tag, value, valueDesc: description); |
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| 51 | return Error::success(); |
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| 52 | } |
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| 53 | |
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| 54 | Error RISCVAttributeParser::handler(uint64_t tag, bool &handled) { |
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| 55 | handled = false; |
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| 56 | for (const auto &AH : displayRoutines) { |
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| 57 | if (uint64_t(AH.attribute) == tag) { |
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| 58 | if (Error e = (this->*AH.routine)(tag)) |
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| 59 | return e; |
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| 60 | handled = true; |
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| 61 | break; |
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| 62 | } |
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| 63 | } |
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| 64 | |
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| 65 | return Error::success(); |
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| 66 | } |
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| 67 | |
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