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//==- WebAssemblyMCTargetDesc.h - WebAssembly Target Descriptions -*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file provides WebAssembly-specific target descriptions.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
class MCAsmBackend;
class MCCodeEmitter;
class MCContext;
class MCInstrInfo;
class MCObjectWriter;
class MCSubtargetInfo;
class Target;
class Triple;
class raw_pwrite_stream;
extern Target TheWebAssemblyTarget32;
extern Target TheWebAssemblyTarget64;
MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII,
MCContext &Ctx);
MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT);
MCObjectWriter *createWebAssemblyELFObjectWriter(raw_pwrite_stream &OS,
bool Is64Bit, uint8_t OSABI);
namespace WebAssembly {
enum OperandType {
/// Basic block label in a branch construct.
OPERAND_BASIC_BLOCK = MCOI::OPERAND_FIRST_TARGET,
/// Floating-point immediate.
OPERAND_FPIMM
};
/// WebAssembly-specific directive identifiers.
enum Directive {
// FIXME: This is not the real binary encoding.
DotParam = UINT64_MAX - 0, ///< .param
DotResult = UINT64_MAX - 1, ///< .result
DotLocal = UINT64_MAX - 2, ///< .local
DotEndFunc = UINT64_MAX - 3, ///< .endfunc
};
} // end namespace WebAssembly
namespace WebAssemblyII {
enum {
// For variadic instructions, this flag indicates whether an operand
// in the variable_ops range is an immediate value.
VariableOpIsImmediate = (1 << 0),
// For immediate values in the variable_ops range, this flag indicates
// whether the value represents a control-flow label.
VariableOpImmediateIsLabel = (1 << 1),
};
} // end namespace WebAssemblyII
} // end namespace llvm
// Defines symbolic names for WebAssembly registers. This defines a mapping from
// register name to register number.
//
#define GET_REGINFO_ENUM
#include "WebAssemblyGenRegisterInfo.inc"
// Defines symbolic names for the WebAssembly instructions.
//
#define GET_INSTRINFO_ENUM
#include "WebAssemblyGenInstrInfo.inc"
#define GET_SUBTARGETINFO_ENUM
#include "WebAssemblyGenSubtargetInfo.inc"
#endif
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