1 //===--- ForceLinkage.h - The LLVM Compiler Driver --------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open
6 // Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // A bit of preprocessor magic to force references to static libraries. Needed
11 // because plugin initialization is done via static variables.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_H
16 #define LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_H
18 #include "llvm/CompilerDriver/ForceLinkageMacros.h"
22 // Declare all ForceLinkage$(PluginName) functions.
24 #ifdef LLVMC_BUILTIN_PLUGIN_1
25 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_1);
28 #ifdef LLVMC_BUILTIN_PLUGIN_2
29 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_2);
32 #ifdef LLVMC_BUILTIN_PLUGIN_3
33 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_3);
36 #ifdef LLVMC_BUILTIN_PLUGIN_4
37 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_4);
40 #ifdef LLVMC_BUILTIN_PLUGIN_5
41 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_5);
44 namespace force_linkage {
46 struct LinkageForcer {
50 // Call all ForceLinkage$(PluginName) functions.
51 #ifdef LLVMC_BUILTIN_PLUGIN_1
52 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_1);
55 #ifdef LLVMC_BUILTIN_PLUGIN_2
56 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_2);
59 #ifdef LLVMC_BUILTIN_PLUGIN_3
60 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_3);
63 #ifdef LLVMC_BUILTIN_PLUGIN_4
64 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_4);
67 #ifdef LLVMC_BUILTIN_PLUGIN_5
68 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_5);
73 } // End namespace force_linkage.
75 // The only externally used bit.
77 force_linkage::LinkageForcer dummy;
80 } // End namespace llvmc.
82 #endif // LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_H