Initial checkin of lldb code from internal Apple repo.

llvm-svn: 105619

1 files changed, 40 insertions, 0 deletions

diff --git a/lldb/tools/debugserver/source/MacOSX/MachVMMemory.h b/lldb/tools/debugserver/source/MacOSX/MachVMMemory.h
new file mode 100644
index 00000000000..5635186854a
--- /dev/null
+++ b/lldb/tools/debugserver/source/MacOSX/MachVMMemory.h
@@ -0,0 +1,40 @@
+//===-- MachVMMemory.h ------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Created by Greg Clayton on 6/26/07.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __MachVMMemory_h__
+#define __MachVMMemory_h__
+
+#include "DNBDefs.h"
+#include "DNBError.h"
+#include <mach/mach.h>
+
+class MachVMMemory
+{
+public:
+    enum { kInvalidPageSize = ~0 };
+    MachVMMemory();
+    ~MachVMMemory();
+    nub_size_t Read(task_t task, nub_addr_t address, void *data, nub_size_t data_count);
+    nub_size_t Write(task_t task, nub_addr_t address, const void *data, nub_size_t data_count);
+    nub_size_t PageSize();
+
+protected:
+    nub_size_t MaxBytesLeftInPage(nub_addr_t addr, nub_size_t count);
+
+    nub_size_t WriteRegion(task_t task, const nub_addr_t address, const void *data, const nub_size_t data_count);
+    vm_size_t        m_page_size;
+    DNBError    m_err;
+};
+
+
+#endif //    #ifndef __MachVMMemory_h__