1 //==- WebAssemblyMCTargetDesc.h - WebAssembly Target Descriptions -*- C++ -*-=//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief This file provides WebAssembly-specific target descriptions.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
16 #define LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
18 #include "llvm/MC/MCInstrDesc.h"
19 #include "llvm/Support/DataTypes.h"
28 class MCSubtargetInfo;
31 class raw_pwrite_stream;
33 extern Target TheWebAssemblyTarget32;
34 extern Target TheWebAssemblyTarget64;
36 MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII,
39 MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT);
41 MCObjectWriter *createWebAssemblyELFObjectWriter(raw_pwrite_stream &OS,
42 bool Is64Bit, uint8_t OSABI);
44 namespace WebAssembly {
46 /// Basic block label in a branch construct.
47 OPERAND_BASIC_BLOCK = MCOI::OPERAND_FIRST_TARGET,
48 /// Floating-point immediate.
51 } // end namespace WebAssembly
53 namespace WebAssemblyII {
55 // For variadic instructions, this flag indicates whether an operand
56 // in the variable_ops range is an immediate value.
57 VariableOpIsImmediate = (1 << 0),
58 // For immediate values in the variable_ops range, this flag indicates
59 // whether the value represents a type.
60 VariableOpImmediateIsType = (1 << 1),
61 // For immediate values in the variable_ops range, this flag indicates
62 // whether the value represents a control-flow label.
63 VariableOpImmediateIsLabel = (1 << 2),
65 } // end namespace WebAssemblyII
67 } // end namespace llvm
69 // Defines symbolic names for WebAssembly registers. This defines a mapping from
70 // register name to register number.
72 #define GET_REGINFO_ENUM
73 #include "WebAssemblyGenRegisterInfo.inc"
75 // Defines symbolic names for the WebAssembly instructions.
77 #define GET_INSTRINFO_ENUM
78 #include "WebAssemblyGenInstrInfo.inc"
80 #define GET_SUBTARGETINFO_ENUM
81 #include "WebAssemblyGenSubtargetInfo.inc"