contrib/llvm/lib/ExecutionEngine/RuntimeDyld/JITSymbol.cpp

   1 //===----------- JITSymbol.cpp - JITSymbol class implementation -----------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // JITSymbol class implementation plus helper functions.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "llvm/ExecutionEngine/JITSymbol.h"
  15 #include "llvm/IR/GlobalValue.h"
  16 #include "llvm/Object/SymbolicFile.h"
  17
  18 using namespace llvm;
  19
  20 JITSymbolFlags llvm::JITSymbolFlags::fromGlobalValue(const GlobalValue &GV) {
  21   JITSymbolFlags Flags = JITSymbolFlags::None;
  22   if (GV.hasWeakLinkage() || GV.hasLinkOnceLinkage())
  23     Flags |= JITSymbolFlags::Weak;
  24   if (GV.hasCommonLinkage())
  25     Flags |= JITSymbolFlags::Common;
  26   if (!GV.hasLocalLinkage() && !GV.hasHiddenVisibility())
  27     Flags |= JITSymbolFlags::Exported;
  28   return Flags;
  29 }
  30
  31 JITSymbolFlags
  32 llvm::JITSymbolFlags::fromObjectSymbol(const object::BasicSymbolRef &Symbol) {
  33   JITSymbolFlags Flags = JITSymbolFlags::None;
  34   if (Symbol.getFlags() & object::BasicSymbolRef::SF_Weak)
  35     Flags |= JITSymbolFlags::Weak;
  36   if (Symbol.getFlags() & object::BasicSymbolRef::SF_Common)
  37     Flags |= JITSymbolFlags::Common;
  38   if (Symbol.getFlags() & object::BasicSymbolRef::SF_Exported)
  39     Flags |= JITSymbolFlags::Exported;
  40   return Flags;
  41 }