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$(PluginName) functions.
24 #ifdef LLVMC_BUILTIN_PLUGIN_1
25 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_1);
28 #ifdef LLVMC_BUILTIN_PLUGIN_2
29 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_2);
32 #ifdef LLVMC_BUILTIN_PLUGIN_3
33 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_3);
36 #ifdef LLVMC_BUILTIN_PLUGIN_4
37 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_4);
40 #ifdef LLVMC_BUILTIN_PLUGIN_5
41 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_5);
44 #ifdef LLVMC_BUILTIN_PLUGIN_6
45 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_6);
48 #ifdef LLVMC_BUILTIN_PLUGIN_7
49 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_7);
52 #ifdef LLVMC_BUILTIN_PLUGIN_8
53 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_8);
56 #ifdef LLVMC_BUILTIN_PLUGIN_9
57 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_9);
60 #ifdef LLVMC_BUILTIN_PLUGIN_10
61 LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_10);
64 namespace force_linkage {
66 struct LinkageForcer {
70 // Call all ForceLinkage$(PluginName) functions.
71 #ifdef LLVMC_BUILTIN_PLUGIN_1
72 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_1);
75 #ifdef LLVMC_BUILTIN_PLUGIN_2
76 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_2);
79 #ifdef LLVMC_BUILTIN_PLUGIN_3
80 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_3);
83 #ifdef LLVMC_BUILTIN_PLUGIN_4
84 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_4);
87 #ifdef LLVMC_BUILTIN_PLUGIN_5
88 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_5);
91 #ifdef LLVMC_BUILTIN_PLUGIN_6
92 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_6);
95 #ifdef LLVMC_BUILTIN_PLUGIN_7
96 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_7);
99 #ifdef LLVMC_BUILTIN_PLUGIN_8
100 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_8);
103 #ifdef LLVMC_BUILTIN_PLUGIN_9
104 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_9);
107 #ifdef LLVMC_BUILTIN_PLUGIN_10
108 LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_10);
113 } // End namespace force_linkage.
115 // The only externally used bit.
116 void ForceLinkage() {
117 force_linkage::LinkageForcer dummy;
120 } // End namespace llvmc.
122 #endif // LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_H