From b91455b5c052ef95e9c943133accdc96100890a7 Mon Sep 17 00:00:00 2001 From: Rafael Espindola Date: Tue, 7 Apr 2015 13:42:44 +0000 Subject: Refactor a lot of duplicated code for stub output. This also moves it earlier so that it they are produced before we print an end symbol for the data section. llvm-svn: 234315 --- llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) (limited to 'llvm/lib/CodeGen') diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index 3aec779d6e5..10e399530d6 100644 --- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -28,7 +28,7 @@ #include "llvm/CodeGen/MachineInstrBundle.h" #include "llvm/CodeGen/MachineJumpTableInfo.h" #include "llvm/CodeGen/MachineLoopInfo.h" -#include "llvm/CodeGen/MachineModuleInfo.h" +#include "llvm/CodeGen/MachineModuleInfoImpls.h" #include "llvm/IR/DataLayout.h" #include "llvm/IR/DebugInfo.h" #include "llvm/IR/Mangler.h" @@ -1034,11 +1034,31 @@ bool AsmPrinter::doFinalization(Module &M) { EmitVisibility(Name, V, false); } + const TargetLoweringObjectFile &TLOF = getObjFileLowering(); + // Emit module flags. SmallVector ModuleFlags; M.getModuleFlagsMetadata(ModuleFlags); if (!ModuleFlags.empty()) - getObjFileLowering().emitModuleFlags(OutStreamer, ModuleFlags, *Mang, TM); + TLOF.emitModuleFlags(OutStreamer, ModuleFlags, *Mang, TM); + + Triple TT(TM.getTargetTriple()); + if (TT.isOSBinFormatELF()) { + MachineModuleInfoELF &MMIELF = MMI->getObjFileInfo(); + + // Output stubs for external and common global variables. + MachineModuleInfoELF::SymbolListTy Stubs = MMIELF.GetGVStubList(); + if (!Stubs.empty()) { + OutStreamer.SwitchSection(TLOF.getDataRelSection()); + const DataLayout *DL = TM.getDataLayout(); + + for (const auto &Stub : Stubs) { + OutStreamer.EmitLabel(Stub.first); + OutStreamer.EmitSymbolValue(Stub.second.getPointer(), + DL->getPointerSize()); + } + } + } // Make sure we wrote out everything we need. OutStreamer.Flush(); -- cgit v1.2.3