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69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
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//===-- RegisterContextPOSIX.h --------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_RegisterContextPOSIX_H_
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#define liblldb_RegisterContextPOSIX_H_
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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#include "RegisterInfoInterface.h"
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#include "lldb/Target/RegisterContext.h"
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#include "lldb/Utility/ArchSpec.h"
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//------------------------------------------------------------------------------
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/// @class POSIXBreakpointProtocol
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///
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/// @brief Extends RegisterClass with a few virtual operations useful on POSIX.
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class POSIXBreakpointProtocol {
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public:
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POSIXBreakpointProtocol() { m_watchpoints_initialized = false; }
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virtual ~POSIXBreakpointProtocol() {}
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/// Updates the register state of the associated thread after hitting a
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/// breakpoint (if that make sense for the architecture). Default
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/// implementation simply returns true for architectures which do not
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/// require any update.
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///
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/// @return
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/// True if the operation succeeded and false otherwise.
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virtual bool UpdateAfterBreakpoint() = 0;
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/// Determines the index in lldb's register file given a kernel byte offset.
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virtual unsigned GetRegisterIndexFromOffset(unsigned offset) = 0;
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// Checks to see if a watchpoint specified by hw_index caused the inferior
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// to stop.
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virtual bool IsWatchpointHit(uint32_t hw_index) = 0;
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// Resets any watchpoints that have been hit.
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virtual bool ClearWatchpointHits() = 0;
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// Returns the watchpoint address associated with a watchpoint hardware
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// index.
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virtual lldb::addr_t GetWatchpointAddress(uint32_t hw_index) = 0;
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virtual bool IsWatchpointVacant(uint32_t hw_index) = 0;
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virtual bool SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size,
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bool read, bool write,
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uint32_t hw_index) = 0;
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// From lldb_private::RegisterContext
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virtual uint32_t NumSupportedHardwareWatchpoints() = 0;
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// Force m_watchpoints_initialized to TRUE
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void ForceWatchpointsInitialized() { m_watchpoints_initialized = true; }
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protected:
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bool m_watchpoints_initialized;
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};
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#endif // #ifndef liblldb_RegisterContextPOSIX_H_
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