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"
18 #include "RegisterInfoInterface.h"
20 //------------------------------------------------------------------------------
21 /// @class POSIXBreakpointProtocol
23 /// @brief Extends RegisterClass with a few virtual operations useful on POSIX.
24 class POSIXBreakpointProtocol
27 POSIXBreakpointProtocol()
28 { m_watchpoints_initialized = false; }
29 virtual ~POSIXBreakpointProtocol() {}
31 /// Updates the register state of the associated thread after hitting a
32 /// breakpoint (if that make sense for the architecture). Default
33 /// implementation simply returns true for architectures which do not
34 /// require any update.
37 /// True if the operation succeeded and false otherwise.
38 virtual bool UpdateAfterBreakpoint() = 0;
40 /// Determines the index in lldb's register file given a kernel byte offset.
42 GetRegisterIndexFromOffset(unsigned offset) = 0;
44 // Checks to see if a watchpoint specified by hw_index caused the inferior
47 IsWatchpointHit (uint32_t hw_index) = 0;
49 // Resets any watchpoints that have been hit.
51 ClearWatchpointHits () = 0;
53 // Returns the watchpoint address associated with a watchpoint hardware
56 GetWatchpointAddress (uint32_t hw_index) = 0;
59 IsWatchpointVacant (uint32_t hw_index) = 0;
62 SetHardwareWatchpointWithIndex (lldb::addr_t addr, size_t size,
63 bool read, bool write,
64 uint32_t hw_index) = 0;
66 // From lldb_private::RegisterContext
68 NumSupportedHardwareWatchpoints () = 0;
70 // Force m_watchpoints_initialized to TRUE
72 ForceWatchpointsInitialized () {m_watchpoints_initialized = true;}
75 bool m_watchpoints_initialized;
78 #endif // #ifndef liblldb_RegisterContextPOSIX_H_