llvm-6502/include/llvm/Target/TargetSelect.h
2010-08-05 22:48:32 +00:00

136 lines
5.1 KiB
C++

//===- TargetSelect.h - Target Selection & Registration ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// 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_TARGET_TARGETSELECT_H
#define LLVM_TARGET_TARGETSELECT_H
#include "llvm/Config/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 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"
}
/// 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_ARCHNAME
#define DoInit2(TARG) \
LLVMInitialize ## TARG ## Info (); \
LLVMInitialize ## TARG ()
#define DoInit(T) DoInit2(T)
DoInit(LLVM_NATIVE_ARCH);
return false;
#undef DoInit
#undef DoInit2
#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_ARCH
#define DoInit2(TARG) \
LLVMInitialize ## TARG ## AsmPrinter ();
#define DoInit(T) DoInit2(T)
DoInit(LLVM_NATIVE_ARCHNAME);
return false;
#undef DoInit
#undef DoInit2
#else
return true;
#endif
}
}
#endif