10b57cec5SDimitry Andric //===-- llvm/MC/MCWasmObjectWriter.h - Wasm Object Writer -------*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric 90b57cec5SDimitry Andric #ifndef LLVM_MC_MCWASMOBJECTWRITER_H 100b57cec5SDimitry Andric #define LLVM_MC_MCWASMOBJECTWRITER_H 110b57cec5SDimitry Andric 120b57cec5SDimitry Andric #include "llvm/MC/MCObjectWriter.h" 130b57cec5SDimitry Andric #include <memory> 140b57cec5SDimitry Andric 150b57cec5SDimitry Andric namespace llvm { 160b57cec5SDimitry Andric 170b57cec5SDimitry Andric class MCFixup; 18*fe6060f1SDimitry Andric class MCSectionWasm; 190b57cec5SDimitry Andric class MCValue; 200b57cec5SDimitry Andric class raw_pwrite_stream; 210b57cec5SDimitry Andric 220b57cec5SDimitry Andric class MCWasmObjectTargetWriter : public MCObjectTargetWriter { 230b57cec5SDimitry Andric const unsigned Is64Bit : 1; 248bcb0991SDimitry Andric const unsigned IsEmscripten : 1; 250b57cec5SDimitry Andric 260b57cec5SDimitry Andric protected: 278bcb0991SDimitry Andric explicit MCWasmObjectTargetWriter(bool Is64Bit_, bool IsEmscripten); 280b57cec5SDimitry Andric 290b57cec5SDimitry Andric public: 300b57cec5SDimitry Andric virtual ~MCWasmObjectTargetWriter(); 310b57cec5SDimitry Andric getFormat()325ffd83dbSDimitry Andric Triple::ObjectFormatType getFormat() const override { return Triple::Wasm; } classof(const MCObjectTargetWriter * W)330b57cec5SDimitry Andric static bool classof(const MCObjectTargetWriter *W) { 340b57cec5SDimitry Andric return W->getFormat() == Triple::Wasm; 350b57cec5SDimitry Andric } 360b57cec5SDimitry Andric 37*fe6060f1SDimitry Andric virtual unsigned getRelocType(const MCValue &Target, const MCFixup &Fixup, 38*fe6060f1SDimitry Andric const MCSectionWasm &FixupSection, 39*fe6060f1SDimitry Andric bool IsLocRel) const = 0; 400b57cec5SDimitry Andric 410b57cec5SDimitry Andric /// \name Accessors 420b57cec5SDimitry Andric /// @{ is64Bit()430b57cec5SDimitry Andric bool is64Bit() const { return Is64Bit; } isEmscripten()448bcb0991SDimitry Andric bool isEmscripten() const { return IsEmscripten; } 450b57cec5SDimitry Andric /// @} 460b57cec5SDimitry Andric }; 470b57cec5SDimitry Andric 480b57cec5SDimitry Andric /// Construct a new Wasm writer instance. 490b57cec5SDimitry Andric /// 500b57cec5SDimitry Andric /// \param MOTW - The target specific Wasm writer subclass. 510b57cec5SDimitry Andric /// \param OS - The stream to write to. 520b57cec5SDimitry Andric /// \returns The constructed object writer. 530b57cec5SDimitry Andric std::unique_ptr<MCObjectWriter> 540b57cec5SDimitry Andric createWasmObjectWriter(std::unique_ptr<MCWasmObjectTargetWriter> MOTW, 550b57cec5SDimitry Andric raw_pwrite_stream &OS); 560b57cec5SDimitry Andric 57e8d8bef9SDimitry Andric std::unique_ptr<MCObjectWriter> 58e8d8bef9SDimitry Andric createWasmDwoObjectWriter(std::unique_ptr<MCWasmObjectTargetWriter> MOTW, 59e8d8bef9SDimitry Andric raw_pwrite_stream &OS, raw_pwrite_stream &DwoOS); 60e8d8bef9SDimitry Andric 610b57cec5SDimitry Andric } // namespace llvm 620b57cec5SDimitry Andric 630b57cec5SDimitry Andric #endif 64