Initial checkin of lldb code from internal Apple repo.

llvm-svn: 105619

1 files changed, 110 insertions, 0 deletions

diff --git a/lldb/source/Target/StackID.cpp b/lldb/source/Target/StackID.cpp
new file mode 100644
index 000000000000..6f903aed6da6
--- /dev/null
+++ b/lldb/source/Target/StackID.cpp
@@ -0,0 +1,110 @@
+//===-- StackID.cpp ---------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Target/StackID.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// StackID constructor
+//----------------------------------------------------------------------
+StackID::StackID() :
+    m_start_address(),
+    m_cfa()
+{
+}
+
+//----------------------------------------------------------------------
+// StackID constructor with args
+//----------------------------------------------------------------------
+StackID::StackID (const Address& start_address, lldb::addr_t cfa) :
+    m_start_address (start_address),
+    m_cfa (cfa)
+{
+}
+
+StackID::StackID (lldb::addr_t cfa) :
+    m_start_address (),
+    m_cfa (cfa)
+{
+}
+
+//----------------------------------------------------------------------
+// StackID copy constructor
+//----------------------------------------------------------------------
+StackID::StackID(const StackID& rhs) :
+    m_start_address (rhs.m_start_address),
+    m_cfa (rhs.m_cfa)
+{
+}
+
+//----------------------------------------------------------------------
+// StackID assignment operator
+//----------------------------------------------------------------------
+const StackID&
+StackID::operator=(const StackID& rhs)
+{
+    if (this != &rhs)
+    {
+        m_start_address = rhs.m_start_address;
+        m_cfa = rhs.m_cfa;
+    }
+    return *this;
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+StackID::~StackID()
+{
+}
+
+
+const Address&
+StackID::GetStartAddress() const
+{
+    return m_start_address;
+}
+
+void
+StackID::SetStartAddress(const Address& start_address)
+{
+    m_start_address = start_address;
+}
+
+lldb::addr_t
+StackID::GetCallFrameAddress() const
+{
+    return m_cfa;
+}
+
+
+bool
+lldb_private::operator== (const StackID& lhs, const StackID& rhs)
+{
+    return lhs.GetCallFrameAddress() == rhs.GetCallFrameAddress() && lhs.GetStartAddress() == rhs.GetStartAddress();
+}
+
+bool
+lldb_private::operator!= (const StackID& lhs, const StackID& rhs)
+{
+    return lhs.GetCallFrameAddress() != rhs.GetCallFrameAddress() || lhs.GetStartAddress() != rhs.GetStartAddress();
+}
+
+bool
+lldb_private::operator< (const StackID& lhs, const StackID& rhs)
+{
+    return lhs.GetCallFrameAddress() < rhs.GetCallFrameAddress();
+}
+