Darwin -static should codegen static ctors / dtors to .constructor / .destructor sections.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33657 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index ff85828..0e9171b 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -134,8 +134,16 @@
       continue;   // External global require no code
     
     // Check to see if this is a special global used by LLVM, if so, emit it.
-    if (EmitSpecialLLVMGlobal(I))
+    if (EmitSpecialLLVMGlobal(I)) {
+      if (Subtarget->isTargetDarwin() &&
+          TM.getRelocationModel() == Reloc::Static) {
+        if (I->getName() == "llvm.global_ctors")
+          O << ".reference .constructors_used\n";
+        else if (I->getName() == "llvm.global_dtors")
+          O << ".reference .destructors_used\n";
+      }
       continue;
+    }
     
     std::string name = Mang->getValueName(I);
     Constant *C = I->getInitializer();
diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp
index 2bb4a6c..20e0f19 100644
--- a/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -59,8 +59,13 @@
     LCOMMDirective = "\t.lcomm\t";
     COMMDirectiveTakesAlignment = false;
     HasDotTypeDotSizeDirective = false;
-    StaticCtorsSection = ".mod_init_func";
-    StaticDtorsSection = ".mod_term_func";
+    if (TM.getRelocationModel() == Reloc::Static) {
+      StaticCtorsSection = ".constructor";
+      StaticDtorsSection = ".destructor";
+    } else {
+      StaticCtorsSection = ".mod_init_func";
+      StaticDtorsSection = ".mod_term_func";
+    }
     InlineAsmStart = "# InlineAsm Start";
     InlineAsmEnd = "# InlineAsm End";
     SetDirective = "\t.set";