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//===-- CSKYAttributeParser.cpp - CSKY 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/CSKYAttributeParser.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Errc.h"
using namespace llvm;
const CSKYAttributeParser::DisplayHandler
CSKYAttributeParser::displayRoutines[] = {
{
CSKYAttrs::CSKY_ARCH_NAME,
&ELFAttributeParser::stringAttribute,
},
{
CSKYAttrs::CSKY_CPU_NAME,
&ELFAttributeParser::stringAttribute,
},
{
CSKYAttrs::CSKY_ISA_FLAGS,
&ELFAttributeParser::integerAttribute,
},
{
CSKYAttrs::CSKY_ISA_EXT_FLAGS,
&ELFAttributeParser::integerAttribute,
},
{
CSKYAttrs::CSKY_DSP_VERSION,
&CSKYAttributeParser::dspVersion,
},
{
CSKYAttrs::CSKY_VDSP_VERSION,
&CSKYAttributeParser::vdspVersion,
},
{
CSKYAttrs::CSKY_FPU_VERSION,
&CSKYAttributeParser::fpuVersion,
},
{
CSKYAttrs::CSKY_FPU_ABI,
&CSKYAttributeParser::fpuABI,
},
{
CSKYAttrs::CSKY_FPU_ROUNDING,
&CSKYAttributeParser::fpuRounding,
},
{
CSKYAttrs::CSKY_FPU_DENORMAL,
&CSKYAttributeParser::fpuDenormal,
},
{
CSKYAttrs::CSKY_FPU_EXCEPTION,
&CSKYAttributeParser::fpuException,
},
{
CSKYAttrs::CSKY_FPU_NUMBER_MODULE,
&ELFAttributeParser::stringAttribute,
},
{
CSKYAttrs::CSKY_FPU_HARDFP,
&CSKYAttributeParser::fpuHardFP,
}};
Error CSKYAttributeParser::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();
}
Error CSKYAttributeParser::dspVersion(unsigned tag) {
static const char *strings[] = {"Error", "DSP Extension", "DSP 2.0"};
return parseStringAttribute("Tag_CSKY_DSP_VERSION", tag,
makeArrayRef(strings));
}
Error CSKYAttributeParser::vdspVersion(unsigned tag) {
static const char *strings[] = {"Error", "VDSP Version 1", "VDSP Version 2"};
return parseStringAttribute("Tag_CSKY_VDSP_VERSION", tag,
makeArrayRef(strings));
}
Error CSKYAttributeParser::fpuVersion(unsigned tag) {
static const char *strings[] = {"Error", "FPU Version 1", "FPU Version 2",
"FPU Version 3"};
return parseStringAttribute("Tag_CSKY_FPU_VERSION", tag,
makeArrayRef(strings));
}
Error CSKYAttributeParser::fpuABI(unsigned tag) {
static const char *strings[] = {"Error", "Soft", "SoftFP", "Hard"};
return parseStringAttribute("Tag_CSKY_FPU_ABI", tag, makeArrayRef(strings));
}
Error CSKYAttributeParser::fpuRounding(unsigned tag) {
static const char *strings[] = {"None", "Needed"};
return parseStringAttribute("Tag_CSKY_FPU_ROUNDING", tag,
makeArrayRef(strings));
}
Error CSKYAttributeParser::fpuDenormal(unsigned tag) {
static const char *strings[] = {"None", "Needed"};
return parseStringAttribute("Tag_CSKY_FPU_DENORMAL", tag,
makeArrayRef(strings));
}
Error CSKYAttributeParser::fpuException(unsigned tag) {
static const char *strings[] = {"None", "Needed"};
return parseStringAttribute("Tag_CSKY_FPU_EXCEPTION", tag,
makeArrayRef(strings));
}
Error CSKYAttributeParser::fpuHardFP(unsigned tag) {
uint64_t value = de.getULEB128(cursor);
ListSeparator LS(" ");
std::string description;
if (value & 0x1) {
description += LS;
description += "Half";
}
if ((value >> 1) & 0x1) {
description += LS;
description += "Single";
}
if ((value >> 2) & 0x1) {
description += LS;
description += "Double";
}
if (description.empty()) {
printAttribute(tag, value, "");
return createStringError(errc::invalid_argument,
"unknown Tag_CSKY_FPU_HARDFP value: " +
Twine(value));
}
printAttribute(tag, value, description);
return Error::success();
}
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