1 //===-- RegisterContextPOSIX.h --------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_RegisterContextPOSIX_H_
11 #define liblldb_RegisterContextPOSIX_H_
15 // Other libraries and framework includes
16 #include "lldb/Core/ArchSpec.h"
17 #include "lldb/Target/RegisterContext.h"
19 //------------------------------------------------------------------------------
20 /// @class POSIXBreakpointProtocol
22 /// @brief Extends RegisterClass with a few virtual operations useful on POSIX.
23 class POSIXBreakpointProtocol
26 POSIXBreakpointProtocol()
27 { m_watchpoints_initialized = false; }
28 virtual ~POSIXBreakpointProtocol() {}
30 /// Updates the register state of the associated thread after hitting a
31 /// breakpoint (if that make sense for the architecture). Default
32 /// implementation simply returns true for architectures which do not
33 /// require any update.
36 /// True if the operation succeeded and false otherwise.
37 virtual bool UpdateAfterBreakpoint() = 0;
39 /// Determines the index in lldb's register file given a kernel byte offset.
41 GetRegisterIndexFromOffset(unsigned offset) = 0;
43 // Checks to see if a watchpoint specified by hw_index caused the inferior
46 IsWatchpointHit (uint32_t hw_index) = 0;
48 // Resets any watchpoints that have been hit.
50 ClearWatchpointHits () = 0;
52 // Returns the watchpoint address associated with a watchpoint hardware
55 GetWatchpointAddress (uint32_t hw_index) = 0;
58 IsWatchpointVacant (uint32_t hw_index) = 0;
61 SetHardwareWatchpointWithIndex (lldb::addr_t addr, size_t size,
62 bool read, bool write,
63 uint32_t hw_index) = 0;
65 // From lldb_private::RegisterContext
67 NumSupportedHardwareWatchpoints () = 0;
69 // Force m_watchpoints_initialized to TRUE
71 ForceWatchpointsInitialized () {m_watchpoints_initialized = true;}
74 bool m_watchpoints_initialized;
77 //------------------------------------------------------------------------------
78 /// @class RegisterInfoInterface
80 /// @brief RegisterInfo interface to patch RegisterInfo structure for archs.
81 class RegisterInfoInterface
84 RegisterInfoInterface(const lldb_private::ArchSpec& target_arch) : m_target_arch(target_arch) {}
85 virtual ~RegisterInfoInterface () {}
90 virtual const lldb_private::RegisterInfo *
91 GetRegisterInfo () = 0;
94 lldb_private::ArchSpec m_target_arch;
97 #endif // #ifndef liblldb_RegisterContextPOSIX_H_