diff options
Diffstat (limited to 'lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
| -rw-r--r-- | lib/CodeGen/TargetLoweringObjectFileImpl.cpp | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp index f7b05e15f1..bdff954d61 100644 --- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp +++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp @@ -422,14 +422,14 @@ TargetLoweringObjectFileELF::InitializeELF(bool UseInitArray_) { // MachO //===----------------------------------------------------------------------===// -/// emitModuleFlags - Emit the module flags that specify the garbage collection -/// information. +/// emitModuleFlags - Perform code emission for module flags. void TargetLoweringObjectFileMachO:: emitModuleFlags(MCStreamer &Streamer, ArrayRef<Module::ModuleFlagEntry> ModuleFlags, Mangler *Mang, const TargetMachine &TM) const { unsigned VersionVal = 0; unsigned ImageInfoFlags = 0; + MDNode *LinkerOptions = 0; StringRef SectionVal; for (ArrayRef<Module::ModuleFlagEntry>::iterator @@ -443,14 +443,33 @@ emitModuleFlags(MCStreamer &Streamer, StringRef Key = MFE.Key->getString(); Value *Val = MFE.Val; - if (Key == "Objective-C Image Info Version") + if (Key == "Objective-C Image Info Version") { VersionVal = cast<ConstantInt>(Val)->getZExtValue(); - else if (Key == "Objective-C Garbage Collection" || - Key == "Objective-C GC Only" || - Key == "Objective-C Is Simulated") + } else if (Key == "Objective-C Garbage Collection" || + Key == "Objective-C GC Only" || + Key == "Objective-C Is Simulated") { ImageInfoFlags |= cast<ConstantInt>(Val)->getZExtValue(); - else if (Key == "Objective-C Image Info Section") + } else if (Key == "Objective-C Image Info Section") { SectionVal = cast<MDString>(Val)->getString(); + } else if (Key == "Linker Options") { + LinkerOptions = cast<MDNode>(Val); + } + } + + // Emit the linker options if present. + if (LinkerOptions) { + for (unsigned i = 0, e = LinkerOptions->getNumOperands(); i != e; ++i) { + MDNode *MDOptions = cast<MDNode>(LinkerOptions->getOperand(i)); + SmallVector<std::string, 4> StrOptions; + + // Convert to strings. + for (unsigned ii = 0, ie = MDOptions->getNumOperands(); ii != ie; ++ii) { + MDString *MDOption = cast<MDString>(MDOptions->getOperand(ii)); + StrOptions.push_back(MDOption->getString()); + } + + Streamer.EmitLinkerOptions(StrOptions); + } } // The section is mandatory. If we don't have it, then we don't have GC info. |