Subzero: Add basic ELFObjectWriter (text section, symtab, strtab, headers)

src/IceTranslator.cpp

Index: src/IceTranslator.cpp
diff --git a/src/IceTranslator.cpp b/src/IceTranslator.cpp
index 954da474018d51d3cac732fb5af66432f9b05430..ea65d2eb483138b13f1865be6d111257048c784e 100644
--- a/src/IceTranslator.cpp
+++ b/src/IceTranslator.cpp
@@ -97,8 +97,13 @@ void Translator::translateFcn(Cfg *Fcn) {
 }
 
 void Translator::emitConstants() {
-  if (!Ctx->getFlags().DisableTranslation && Func)
-    Func->getTarget()->emitConstants();
+  if (!Ctx->getFlags().DisableTranslation && Func) {
+    if (!Ctx->getFlags().UseELFWriter) {
+      Func->getTarget()->emitConstants();
+    } else {
+      // create the rodata.cst.{4,8} sections!
+    }
+  }
 }
 
 void Translator::lowerGlobals(