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Diffstat (limited to 'tools/debugserver/source/DNBArch.h')
-rw-r--r-- | tools/debugserver/source/DNBArch.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/tools/debugserver/source/DNBArch.h b/tools/debugserver/source/DNBArch.h new file mode 100644 index 000000000000..c07d3a67400d --- /dev/null +++ b/tools/debugserver/source/DNBArch.h @@ -0,0 +1,129 @@ +//===-- DNBArch.h -----------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// Created by Greg Clayton on 6/24/07. +// +//===----------------------------------------------------------------------===// + +#ifndef __DebugNubArch_h__ +#define __DebugNubArch_h__ + +#include "DNBDefs.h" +#include "MacOSX/MachException.h" + +#include <mach/mach.h> +#include <stdio.h> + +struct DNBRegisterValue; +struct DNBRegisterSetInfo; +class DNBArchProtocol; +class MachThread; + +typedef DNBArchProtocol * (* DNBArchCallbackCreate)(MachThread *thread); +typedef const DNBRegisterSetInfo * (* DNBArchCallbackGetRegisterSetInfo)(nub_size_t *num_reg_sets); +typedef const uint8_t * (* DNBArchCallbackGetBreakpointOpcode)(nub_size_t byte_size); + +typedef struct DNBArchPluginInfoTag +{ + uint32_t cpu_type; + DNBArchCallbackCreate Create; + DNBArchCallbackGetRegisterSetInfo GetRegisterSetInfo; + DNBArchCallbackGetBreakpointOpcode GetBreakpointOpcode; +} DNBArchPluginInfo; + +class DNBArchProtocol +{ +public: + static DNBArchProtocol * + Create (MachThread *thread); + + static uint32_t + GetRegisterCPUType (); + + static const DNBRegisterSetInfo * + GetRegisterSetInfo (nub_size_t *num_reg_sets); + + static const uint8_t * + GetBreakpointOpcode (nub_size_t byte_size); + + static void + RegisterArchPlugin (const DNBArchPluginInfo &arch_info); + + static uint32_t + GetArchitecture (); + + static bool + SetArchitecture (uint32_t cpu_type); + + DNBArchProtocol () : + m_save_id(0) + { + + } + + virtual ~DNBArchProtocol () + { + + } + virtual bool GetRegisterValue (uint32_t set, uint32_t reg, DNBRegisterValue *value) = 0; + virtual bool SetRegisterValue (uint32_t set, uint32_t reg, const DNBRegisterValue *value) = 0; + virtual nub_size_t GetRegisterContext (void *buf, nub_size_t buf_len) = 0; + virtual nub_size_t SetRegisterContext (const void *buf, nub_size_t buf_len) = 0; + virtual uint32_t SaveRegisterState () = 0; + virtual bool RestoreRegisterState (uint32_t save_id) = 0; + + virtual kern_return_t GetRegisterState (int set, bool force) = 0; + virtual kern_return_t SetRegisterState (int set) = 0; + virtual bool RegisterSetStateIsValid (int set) const = 0; + + virtual uint64_t GetPC (uint64_t failValue) = 0; // Get program counter + virtual kern_return_t SetPC (uint64_t value) = 0; + virtual uint64_t GetSP (uint64_t failValue) = 0; // Get stack pointer + virtual void ThreadWillResume () = 0; + virtual bool ThreadDidStop () = 0; + virtual bool NotifyException (MachException::Data& exc) { return false; } + virtual uint32_t NumSupportedHardwareBreakpoints() { return 0; } + virtual uint32_t NumSupportedHardwareWatchpoints() { return 0; } + virtual uint32_t EnableHardwareBreakpoint (nub_addr_t addr, nub_size_t size) { return INVALID_NUB_HW_INDEX; } + virtual uint32_t EnableHardwareWatchpoint (nub_addr_t addr, nub_size_t size, bool read, bool write, bool also_set_on_task) { return INVALID_NUB_HW_INDEX; } + virtual bool DisableHardwareBreakpoint (uint32_t hw_index) { return false; } + virtual bool DisableHardwareWatchpoint (uint32_t hw_index, bool also_set_on_task) { return false; } + virtual uint32_t GetHardwareWatchpointHit(nub_addr_t &addr) { return INVALID_NUB_HW_INDEX; } + virtual bool StepNotComplete () { return false; } + +protected: + friend class MachThread; + + uint32_t GetNextRegisterStateSaveID () + { + return ++m_save_id; + } + + enum + { + Trans_Pending = 0, // Transaction is pending, and checkpoint state has been snapshotted. + Trans_Done = 1, // Transaction is done, the current state is committed, and checkpoint state is irrelevant. + Trans_Rolled_Back = 2 // Transaction is done, the current state has been rolled back to the checkpoint state. + }; + virtual bool StartTransForHWP() { return true; } + virtual bool RollbackTransForHWP() { return true; } + virtual bool FinishTransForHWP() { return true; } + + uint32_t m_save_id; // An always incrementing integer ID used with SaveRegisterState/RestoreRegisterState + +}; + + +#include "MacOSX/arm/DNBArchImpl.h" +#include "MacOSX/arm64/DNBArchImplARM64.h" +#include "MacOSX/i386/DNBArchImplI386.h" +#include "MacOSX/x86_64/DNBArchImplX86_64.h" +#include "MacOSX/ppc/DNBArchImpl.h" + +#endif |