reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
//===- TargetSelect.h - Target Selection & Registration ---------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file provides utilities to make sure that certain classes of targets are
// linked into the main application executable, and initialize them as
// appropriate.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_SUPPORT_TARGETSELECT_H
#define LLVM_SUPPORT_TARGETSELECT_H

#include "llvm/Config/llvm-config.h"

extern "C" {
  // Declare all of the target-initialization functions that are available.
#define LLVM_TARGET(TargetName) void LLVMInitialize##TargetName##TargetInfo();
#include "llvm/Config/Targets.def"

#define LLVM_TARGET(TargetName) void LLVMInitialize##TargetName##Target();
#include "llvm/Config/Targets.def"

  // Declare all of the target-MC-initialization functions that are available.
#define LLVM_TARGET(TargetName) void LLVMInitialize##TargetName##TargetMC();
#include "llvm/Config/Targets.def"

  // Declare all of the available assembly printer initialization functions.
#define LLVM_ASM_PRINTER(TargetName) void LLVMInitialize##TargetName##AsmPrinter();
#include "llvm/Config/AsmPrinters.def"

  // Declare all of the available assembly parser initialization functions.
#define LLVM_ASM_PARSER(TargetName) void LLVMInitialize##TargetName##AsmParser();
#include "llvm/Config/AsmParsers.def"

  // Declare all of the available disassembler initialization functions.
#define LLVM_DISASSEMBLER(TargetName) \
  void LLVMInitialize##TargetName##Disassembler();
#include "llvm/Config/Disassemblers.def"
}

namespace llvm {
  /// InitializeAllTargetInfos - The main program should call this function if
  /// it wants access to all available targets that LLVM is configured to
  /// support, to make them available via the TargetRegistry.
  ///
  /// It is legal for a client to make multiple calls to this function.
  inline void InitializeAllTargetInfos() {
#define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##TargetInfo();
#include "llvm/Config/Targets.def"
  }

  /// InitializeAllTargets - The main program should call this function if it
  /// wants access to all available target machines that LLVM is configured to
  /// support, to make them available via the TargetRegistry.
  ///
  /// It is legal for a client to make multiple calls to this function.
  inline void InitializeAllTargets() {
    // FIXME: Remove this, clients should do it.
    InitializeAllTargetInfos();

#define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##Target();
#include "llvm/Config/Targets.def"
  }

  /// InitializeAllTargetMCs - The main program should call this function if it
  /// wants access to all available target MC that LLVM is configured to
  /// support, to make them available via the TargetRegistry.
  ///
  /// It is legal for a client to make multiple calls to this function.
  inline void InitializeAllTargetMCs() {
#define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##TargetMC();
#include "llvm/Config/Targets.def"
  }

  /// InitializeAllAsmPrinters - The main program should call this function if
  /// it wants all asm printers that LLVM is configured to support, to make them
  /// available via the TargetRegistry.
  ///
  /// It is legal for a client to make multiple calls to this function.
  inline void InitializeAllAsmPrinters() {
#define LLVM_ASM_PRINTER(TargetName) LLVMInitialize##TargetName##AsmPrinter();
#include "llvm/Config/AsmPrinters.def"
  }

  /// InitializeAllAsmParsers - The main program should call this function if it
  /// wants all asm parsers that LLVM is configured to support, to make them
  /// available via the TargetRegistry.
  ///
  /// It is legal for a client to make multiple calls to this function.
  inline void InitializeAllAsmParsers() {
#define LLVM_ASM_PARSER(TargetName) LLVMInitialize##TargetName##AsmParser();
#include "llvm/Config/AsmParsers.def"
  }

  /// InitializeAllDisassemblers - The main program should call this function if
  /// it wants all disassemblers that LLVM is configured to support, to make
  /// them available via the TargetRegistry.
  ///
  /// It is legal for a client to make multiple calls to this function.
  inline void InitializeAllDisassemblers() {
#define LLVM_DISASSEMBLER(TargetName) LLVMInitialize##TargetName##Disassembler();
#include "llvm/Config/Disassemblers.def"
  }

  /// InitializeNativeTarget - The main program should call this function to
  /// initialize the native target corresponding to the host.  This is useful
  /// for JIT applications to ensure that the target gets linked in correctly.
  ///
  /// It is legal for a client to make multiple calls to this function.
  inline bool InitializeNativeTarget() {
  // If we have a native target, initialize it to ensure it is linked in.
#ifdef LLVM_NATIVE_TARGET
    LLVM_NATIVE_TARGETINFO();
    LLVM_NATIVE_TARGET();
    LLVM_NATIVE_TARGETMC();
    return false;
#else
    return true;
#endif
  }

  /// InitializeNativeTargetAsmPrinter - The main program should call
  /// this function to initialize the native target asm printer.
  inline bool InitializeNativeTargetAsmPrinter() {
  // If we have a native target, initialize the corresponding asm printer.
#ifdef LLVM_NATIVE_ASMPRINTER
    LLVM_NATIVE_ASMPRINTER();
    return false;
#else
    return true;
#endif
  }

  /// InitializeNativeTargetAsmParser - The main program should call
  /// this function to initialize the native target asm parser.
  inline bool InitializeNativeTargetAsmParser() {
  // If we have a native target, initialize the corresponding asm parser.
#ifdef LLVM_NATIVE_ASMPARSER
    LLVM_NATIVE_ASMPARSER();
    return false;
#else
    return true;
#endif
  }

  /// InitializeNativeTargetDisassembler - The main program should call
  /// this function to initialize the native target disassembler.
  inline bool InitializeNativeTargetDisassembler() {
  // If we have a native target, initialize the corresponding disassembler.
#ifdef LLVM_NATIVE_DISASSEMBLER
    LLVM_NATIVE_DISASSEMBLER();
    return false;
#else
    return true;
#endif
  }
}

#endif