StackID.h revision 24943d2ee8bfaa7cf5893e4709143924157a5c1e 
1//===-- StackID.h -----------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef liblldb_StackID_h_
11#define liblldb_StackID_h_
12
13// C Includes
14// C++ Includes
15// Other libraries and framework includes
16// Project includes
17#include "lldb/lldb-private.h"
18#include "lldb/Core/AddressRange.h"
19
20namespace lldb_private {
21
22class StackID
23{
24public:
25    //------------------------------------------------------------------
26    // Constructors and Destructors
27    //------------------------------------------------------------------
28    StackID ();
29    explicit StackID (lldb::addr_t cfa);
30    StackID (const Address& start_address, lldb::addr_t cfa);
31    StackID (const StackID& rhs);
32    virtual ~StackID();
33
34    const Address&
35    GetStartAddress() const;
36
37    void
38    SetStartAddress(const Address& start_address);
39
40    lldb::addr_t
41    GetCallFrameAddress() const;
42
43    //------------------------------------------------------------------
44    // Operators
45    //------------------------------------------------------------------
46    const StackID&
47    operator=(const StackID& rhs);
48
49protected:
50    //------------------------------------------------------------------
51    // Classes that inherit from StackID can see and modify these
52    //------------------------------------------------------------------
53    Address m_start_address;    // The address range for the function for this frame
54    lldb::addr_t m_cfa;         // The call frame address (stack pointer) value
55                                // at the beginning of the function that uniquely
56                                // identifies this frame
57};
58
59bool operator== (const StackID& lhs, const StackID& rhs);
60bool operator!= (const StackID& lhs, const StackID& rhs);
61bool operator<  (const StackID& lhs, const StackID& rhs);
62
63} // namespace lldb_private
64
65#endif  // liblldb_StackID_h_
66