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llvm-mirror/include/llvm/Target/TargetSelect.h
Eric Christopher da5541e56d Fix LLVM target initialization to deal with sociopathic outside projects
that like to randomly define things like "X86", regenerate autoconf bits
and update cmake.

Fixes PR7852.

Patch by Xerxes Rånby!

llvm-svn: 112499
2010-08-30 18:34:48 +00:00

126 lines
4.8 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/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 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_TARGET
LLVM_NATIVE_TARGETINFO();
LLVM_NATIVE_TARGET();
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
}
}
#endif