Write out global initializers and data rel directly to ELF file.

src/IceTargetLoweringX8632.cpp

Index: src/IceTargetLoweringX8632.cpp
diff --git a/src/IceTargetLoweringX8632.cpp b/src/IceTargetLoweringX8632.cpp
index b092f7ffaa443534d69621800a6e325b5546a7a2..4241b89817c0643015a64f6f03979daa664929a1 100644
--- a/src/IceTargetLoweringX8632.cpp
+++ b/src/IceTargetLoweringX8632.cpp
@@ -4634,20 +4634,14 @@ TargetGlobalInitX8632::TargetGlobalInitX8632(GlobalContext *Ctx)
     : TargetGlobalInitLowering(Ctx) {}
 
 void TargetGlobalInitX8632::lower(const VariableDeclaration &Var) {
-  // TODO(jvoung): handle this without text.
-  if (Ctx->getFlags().UseELFWriter)
-    return;
-
-  Ostream &Str = Ctx->getStrEmit();
-
-  const VariableDeclaration::InitializerListType &Initializers =
-      Var.getInitializers();
-
   // If external and not initialized, this must be a cross test.
   // Don't generate a declaration for such cases.
   bool IsExternal = Var.isExternal() || Ctx->getFlags().DisableInternal;
   if (IsExternal && !Var.hasInitializer()) return;
 
+  Ostream &Str = Ctx->getStrEmit();
+  const VariableDeclaration::InitializerListType &Initializers =
+      Var.getInitializers();
   bool HasNonzeroInitializer = Var.hasNonzeroInitializer();
   bool IsConstant = Var.getIsConstant();
   uint32_t Align = Var.getAlignment();
@@ -4714,4 +4708,10 @@ void TargetGlobalInitX8632::lower(const VariableDeclaration &Var) {
   Str << "\t.size\t" << MangledName << ", " << Size << "\n";
 }
 
+void TargetGlobalInitX8632::lowerGlobalsELF(
+    const VariableDeclarationList &Vars) {
+  ELFObjectWriter *Writer = Ctx->getObjectWriter();
+  Writer->writeDataSection(Vars, llvm::ELF::R_386_32);
+}
+
 } // end of namespace Ice