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//===-- RISCVAttributeParser.cpp - RISCV Attribute Parser -----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/RISCVAttributeParser.h"
#include "llvm/ADT/StringExtras.h"
using namespace llvm;
const RISCVAttributeParser::DisplayHandler
RISCVAttributeParser::displayRoutines[] = {
{
RISCVAttrs::ARCH,
&ELFAttributeParser::stringAttribute,
},
{
RISCVAttrs::PRIV_SPEC,
&ELFAttributeParser::integerAttribute,
},
{
RISCVAttrs::PRIV_SPEC_MINOR,
&ELFAttributeParser::integerAttribute,
},
{
RISCVAttrs::PRIV_SPEC_REVISION,
&ELFAttributeParser::integerAttribute,
},
{
RISCVAttrs::STACK_ALIGN,
&RISCVAttributeParser::stackAlign,
},
{
RISCVAttrs::UNALIGNED_ACCESS,
&RISCVAttributeParser::unalignedAccess,
}};
Error RISCVAttributeParser::unalignedAccess(unsigned tag) {
static const char *strings[] = {"No unaligned access", "Unaligned access"};
return parseStringAttribute("Unaligned_access", tag, makeArrayRef(strings));
}
Error RISCVAttributeParser::stackAlign(unsigned tag) {
uint64_t value = de.getULEB128(cursor);
std::string description =
"Stack alignment is " + utostr(value) + std::string("-bytes");
printAttribute(tag, value, description);
return Error::success();
}
Error RISCVAttributeParser::handler(uint64_t tag, bool &handled) {
handled = false;
for (unsigned AHI = 0, AHE = array_lengthof(displayRoutines); AHI != AHE;
++AHI) {
if (uint64_t(displayRoutines[AHI].attribute) == tag) {
if (Error e = (this->*displayRoutines[AHI].routine)(tag))
return e;
handled = true;
break;
}
}
return Error::success();
}
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