Add the Object Code Emitter class. Original patch by Aaron Gray, I did some

cleanup, removed some #includes and moved Object Code Emitter out-of-line.

llvm-svn: 74813

1 files changed, 43 insertions, 0 deletions

diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index b000914c920..5cf18a02ebd 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -290,6 +290,36 @@ bool X86TargetMachine::addCodeEmitter(PassManagerBase &PM,
   return false;
 }
 
+bool X86TargetMachine::addCodeEmitter(PassManagerBase &PM,
+                                      CodeGenOpt::Level OptLevel,
+                                      bool DumpAsm,
+                                      ObjectCodeEmitter &OCE) {
+  // FIXME: Move this to TargetJITInfo!
+  // On Darwin, do not override 64-bit setting made in X86TargetMachine().
+  if (DefRelocModel == Reloc::Default && 
+        (!Subtarget.isTargetDarwin() || !Subtarget.is64Bit()))
+    setRelocationModel(Reloc::Static);
+  
+  // 64-bit JIT places everything in the same buffer except external functions.
+  // On Darwin, use small code model but hack the call instruction for 
+  // externals.  Elsewhere, do not assume globals are in the lower 4G.
+  if (Subtarget.is64Bit()) {
+    if (Subtarget.isTargetDarwin())
+      setCodeModel(CodeModel::Small);
+    else
+      setCodeModel(CodeModel::Large);
+  }
+
+  PM.add(createX86ObjectCodeEmitterPass(*this, OCE));
+  if (DumpAsm) {
+    assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+    if (AsmPrinterCtor)
+      PM.add(AsmPrinterCtor(errs(), *this, true));
+  }
+
+  return false;
+}
+
 bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
                                             CodeGenOpt::Level OptLevel,
                                             bool DumpAsm,
@@ -318,3 +348,16 @@ bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
   return false;
 }
 
+bool X86TargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
+                                            CodeGenOpt::Level OptLevel,
+                                            bool DumpAsm,
+                                            ObjectCodeEmitter &OCE) {
+  PM.add(createX86ObjectCodeEmitterPass(*this, OCE));
+  if (DumpAsm) {
+    assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+    if (AsmPrinterCtor)
+      PM.add(AsmPrinterCtor(errs(), *this, true));
+  }
+
+  return false;
+}