llvm/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyWasmObjectWriter.cpp

//===-- WebAssemblyWasmObjectWriter.cpp - WebAssembly Wasm Writer ---------===//
//
// 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file handles Wasm-specific object emission, converting LLVM's
/// internal fixups into the appropriate relocations.
///
//===----------------------------------------------------------------------===//

#include "MCTargetDesc/WebAssemblyFixupKinds.h"
#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"
#include "llvm/BinaryFormat/Wasm.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCFixup.h"
#include "llvm/MC/MCFixupKindInfo.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCSectionWasm.h"
#include "llvm/MC/MCSymbolWasm.h"
#include "llvm/MC/MCValue.h"
#include "llvm/MC/MCWasmObjectWriter.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/ErrorHandling.h"

usingnamespacellvm;

namespace {
class WebAssemblyWasmObjectWriter final : public MCWasmObjectTargetWriter { … };
} // end anonymous namespace

WebAssemblyWasmObjectWriter::WebAssemblyWasmObjectWriter(bool Is64Bit,
                                                         bool IsEmscripten)
    : … { … }

static const MCSection *getTargetSection(const MCExpr *Expr) { … }

unsigned WebAssemblyWasmObjectWriter::getRelocType(
    const MCValue &Target, const MCFixup &Fixup,
    const MCSectionWasm &FixupSection, bool IsLocRel) const { … }

std::unique_ptr<MCObjectTargetWriter>
llvm::createWebAssemblyWasmObjectWriter(bool Is64Bit, bool IsEmscripten) { … }