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//===-- CSKYMCAsmInfo.cpp - CSKY Asm properties ---------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file contains the declarations of the CSKYMCAsmInfo properties.
//
//===----------------------------------------------------------------------===//
#include "CSKYMCAsmInfo.h"
#include "MCTargetDesc/CSKYMCAsmInfo.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCStreamer.h"
using namespace llvm;
const MCAsmInfo::AtSpecifier atSpecifiers[] = {
{CSKY::S_GOT, "GOT"}, {CSKY::S_GOTOFF, "GOTOFF"},
{CSKY::S_PLT, "PLT"}, {CSKY::S_TLSGD, "TLSGD"},
{CSKY::S_TLSLDM, "TLSLDM"}, {CSKY::S_TPOFF, "TPOFF"},
};
void CSKYMCAsmInfo::anchor() {}
CSKYMCAsmInfo::CSKYMCAsmInfo(const Triple &TargetTriple) {
AlignmentIsInBytes = false;
SupportsDebugInformation = true;
CommentString = "#";
// Uses '.section' before '.bss' directive
UsesELFSectionDirectiveForBSS = true;
ExceptionsType = ExceptionHandling::DwarfCFI;
initializeAtSpecifiers(atSpecifiers);
}
static StringRef getVariantKindName(uint8_t Kind) {
using namespace CSKY;
switch (Kind) {
default:
llvm_unreachable("Invalid ELF symbol kind");
case S_None:
case S_ADDR:
return "";
case S_ADDR_HI16:
return "@HI16";
case S_ADDR_LO16:
return "@LO16";
case S_GOT_IMM18_BY4:
case S_GOT:
return "@GOT";
case S_GOTPC:
return "@GOTPC";
case S_GOTOFF:
return "@GOTOFF";
case S_PLT_IMM18_BY4:
case S_PLT:
return "@PLT";
case S_TLSLE:
return "@TPOFF";
case S_TLSIE:
return "@GOTTPOFF";
case S_TLSGD:
return "@TLSGD32";
case S_TLSLDO:
return "@TLSLDO32";
case S_TLSLDM:
return "@TLSLDM32";
}
}
void CSKYMCAsmInfo::printSpecifierExpr(raw_ostream &OS,
const MCSpecifierExpr &Expr) const {
printExpr(OS, *Expr.getSubExpr());
OS << getVariantKindName(Expr.getSpecifier());
}
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