New "TargetMachOWriterInfo" class. It holds target-specific information

that the MachOWriter needs in order to do its writing stuff 'n things.

llvm-svn: 33475

3 files changed, 80 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCMachOWriterInfo.cpp b/llvm/lib/Target/PowerPC/PPCMachOWriterInfo.cpp
new file mode 100644
index 00000000000..54e06812229
--- /dev/null
+++ b/llvm/lib/Target/PowerPC/PPCMachOWriterInfo.cpp
@@ -0,0 +1,22 @@
+//===-- PPCMachOWriterInfo.cpp - Mach-O Writer Info for the PowerPC -------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Bill Wendling and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements Mach-O writer information for the PowerPC backend.
+//
+//===----------------------------------------------------------------------===//
+
+#include "PPCMachOWriterInfo.h"
+#include "PPCTargetMachine.h"
+using namespace llvm;
+
+PPCMachOWriterInfo::PPCMachOWriterInfo(const PPCTargetMachine &TM)
+  : TargetMachOWriterInfo(TM.getTargetData()->getPointerSizeInBits() == 64 ?
+                          HDR_CPU_TYPE_POWERPC64 :
+                          HDR_CPU_TYPE_POWERPC,
+                          HDR_CPU_SUBTYPE_POWERPC_ALL) {}
diff --git a/llvm/lib/Target/PowerPC/PPCMachOWriterInfo.h b/llvm/lib/Target/PowerPC/PPCMachOWriterInfo.h
new file mode 100644
index 00000000000..af47833d4cb
--- /dev/null
+++ b/llvm/lib/Target/PowerPC/PPCMachOWriterInfo.h
@@ -0,0 +1,35 @@
+//===-- PPCMachOWriterInfo.h - Mach-O Writer Info for PowerPC ---*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Bill Wendling and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements Mach-O writer information for the PowerPC backend.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PPC_MACHO_WRITER_INFO_H
+#define PPC_MACHO_WRITER_INFO_H
+
+#include "llvm/Target/TargetMachOWriterInfo.h"
+
+namespace llvm {
+
+  // Forward declarations
+  class PPCTargetMachine;
+
+  struct PPCMachOWriterInfo : public TargetMachOWriterInfo {
+    PPCMachOWriterInfo(const PPCTargetMachine &TM);
+    virtual ~PPCMachOWriterInfo() {}
+
+    virtual const char *getPassName() const {
+      return "PowerPC Mach-O Writer";
+    }
+  };
+
+} // end llvm namespace
+
+#endif // PPC_MACHO_WRITER_INFO_H
diff --git a/llvm/lib/Target/TargetMachOWriterInfo.cpp b/llvm/lib/Target/TargetMachOWriterInfo.cpp
new file mode 100644
index 00000000000..3cf297499c5
--- /dev/null
+++ b/llvm/lib/Target/TargetMachOWriterInfo.cpp
@@ -0,0 +1,23 @@
+//===-- llvm/Target/TargetMachOWriterInfo.h - MachO Writer Info -*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Bill Wendling and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the TargetMachOWriterInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Target/TargetMachOWriterInfo.h"
+#include "llvm/CodeGen/MachineRelocation.h"
+using namespace llvm;
+
+MachineRelocation
+TargetMachOWriterInfo::GetJTRelocation(unsigned Offset,
+                                       MachineBasicBlock *MBB) const {
+  // FIXME: do something about PIC
+  return MachineRelocation::getBB(Offset, MachineRelocation::VANILLA, MBB);
+}