llvm/llvm/lib/MC/MCAsmInfo.cpp

//===- MCAsmInfo.cpp - Asm Info -------------------------------------------===//
//
// 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 defines target asm properties related what form asm statements
// should take.
//
//===----------------------------------------------------------------------===//

#include "llvm/MC/MCAsmInfo.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/Support/CommandLine.h"

usingnamespacellvm;

namespace {
enum DefaultOnOff { … };
}
static cl::opt<DefaultOnOff> DwarfExtendedLoc(
    "dwarf-extended-loc", cl::Hidden,
    cl::desc("Disable emission of the extended flags in .loc directives."),
    cl::values(clEnumVal(Default, "Default for platform"),
               clEnumVal(Enable, "Enabled"), clEnumVal(Disable, "Disabled")),
    cl::init(Default));

namespace llvm {
cl::opt<cl::boolOrDefault> UseLEB128Directives(
    "use-leb128-directives", cl::Hidden,
    cl::desc(
        "Disable the usage of LEB128 directives, and generate .byte instead."),
    cl::init(cl::BOU_UNSET));
}

MCAsmInfo::MCAsmInfo() { … }

MCAsmInfo::~MCAsmInfo() = default;

void MCAsmInfo::addInitialFrameState(const MCCFIInstruction &Inst) { … }

const MCExpr *
MCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym,
                                       unsigned Encoding,
                                       MCStreamer &Streamer) const { … }

const MCExpr *
MCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym,
                               unsigned Encoding,
                               MCStreamer &Streamer) const { … }

bool MCAsmInfo::isAcceptableChar(char C) const { … }

bool MCAsmInfo::isValidUnquotedName(StringRef Name) const { … }

bool MCAsmInfo::shouldOmitSectionDirective(StringRef SectionName) const { … }