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