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https://github.com/c64scene-ar/llvm-6502.git
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d80d8690af
Chris recently broke llvmc with his Makefile changes (r75379). That patch made the global change .o -> .a, which caused built-in llvmc plugins to stop working since plugin initialization in llvmc is based on static variables not referenced from the main executable. This patch implements auto-generated forced references to the plugin libraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74000 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
//===--- ForceLinkage.h - The LLVM Compiler Driver --------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open
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// Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// A bit of preprocessor magic to force references to static libraries. Needed
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// because plugin initialization is done via static variables.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_H
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#define LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_H
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#include "llvm/CompilerDriver/ForceLinkageMacros.h"
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namespace llvmc {
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// Declare all ForceLinkage$(PluginName) functions.
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#ifdef LLVMC_BUILTIN_PLUGIN_1
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LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_1);
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#endif
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#ifdef LLVMC_BUILTIN_PLUGIN_2
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LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_2);
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#endif
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#ifdef LLVMC_BUILTIN_PLUGIN_3
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LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_3);
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#endif
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#ifdef LLVMC_BUILTIN_PLUGIN_4
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LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_4);
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#endif
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#ifdef LLVMC_BUILTIN_PLUGIN_5
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LLVMC_FORCE_LINKAGE_DECL(LLVMC_BUILTIN_PLUGIN_5);
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#endif
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namespace force_linkage {
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struct LinkageForcer {
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LinkageForcer() {
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// Call all ForceLinkage$(PluginName) functions.
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#ifdef LLVMC_BUILTIN_PLUGIN_1
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LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_1);
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#endif
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#ifdef LLVMC_BUILTIN_PLUGIN_2
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LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_2);
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#endif
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#ifdef LLVMC_BUILTIN_PLUGIN_3
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LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_3);
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#endif
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#ifdef LLVMC_BUILTIN_PLUGIN_4
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LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_4);
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#endif
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#ifdef LLVMC_BUILTIN_PLUGIN_5
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LLVMC_FORCE_LINKAGE_CALL(LLVMC_BUILTIN_PLUGIN_5);
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#endif
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}
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};
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} // End namespace force_linkage.
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// The only externally used bit.
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void ForceLinkage() {
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force_linkage::LinkageForcer dummy;
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}
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} // End namespace llvmc.
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#endif // LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_H
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