MC: Change the streamer ctors to take an object writer instead of a stream. NFCI.

The idea is that a client that wants split dwarf would create a
specific kind of object writer that creates two files, and use it to
create the streamer.

Part of PR37466.

Differential Revision: https://reviews.llvm.org/D47050

llvm-svn: 332749

1 files changed, 3 insertions, 4 deletions

diff --git a/llvm/lib/MC/MCObjectStreamer.cpp b/llvm/lib/MC/MCObjectStreamer.cpp
index 22b9743d80b..3ed9a6fbf6b 100644
--- a/llvm/lib/MC/MCObjectStreamer.cpp
+++ b/llvm/lib/MC/MCObjectStreamer.cpp
@@ -25,12 +25,11 @@ using namespace llvm;
 
 MCObjectStreamer::MCObjectStreamer(MCContext &Context,
                                    std::unique_ptr<MCAsmBackend> TAB,
-                                   raw_pwrite_stream &OS,
+                                   std::unique_ptr<MCObjectWriter> OW,
                                    std::unique_ptr<MCCodeEmitter> Emitter)
     : MCStreamer(Context),
-      Assembler(llvm::make_unique<MCAssembler>(Context, std::move(TAB),
-                                               std::move(Emitter),
-                                               TAB->createObjectWriter(OS))),
+      Assembler(llvm::make_unique<MCAssembler>(
+          Context, std::move(TAB), std::move(Emitter), std::move(OW))),
       EmitEHFrame(true), EmitDebugFrame(false) {}
 
 MCObjectStreamer::~MCObjectStreamer() {}