78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_CPU_BACKEND_BACKEND_H_
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#define XENIA_CPU_BACKEND_BACKEND_H_
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#include <memory>
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#include "xenia/cpu/backend/machine_info.h"
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#include "xenia/cpu/thread_debug_info.h"
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namespace xe {
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namespace cpu {
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class Breakpoint;
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class Function;
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class GuestFunction;
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class Module;
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class Processor;
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} // namespace cpu
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} // namespace xe
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namespace xe {
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namespace cpu {
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namespace backend {
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class Assembler;
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class CodeCache;
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class Backend {
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public:
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explicit Backend();
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virtual ~Backend();
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Processor* processor() const { return processor_; }
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const MachineInfo* machine_info() const { return &machine_info_; }
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CodeCache* code_cache() const { return code_cache_; }
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virtual bool Initialize(Processor* processor);
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virtual void* AllocThreadData();
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virtual void FreeThreadData(void* thread_data);
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virtual void CommitExecutableRange(uint32_t guest_low,
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uint32_t guest_high) = 0;
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virtual std::unique_ptr<Assembler> CreateAssembler() = 0;
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virtual std::unique_ptr<GuestFunction> CreateGuestFunction(
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Module* module, uint32_t address) = 0;
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// Calculates the next host instruction based on the current thread state and
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// current PC. This will look for branches and other control flow
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// instructions.
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virtual uint64_t CalculateNextHostInstruction(ThreadDebugInfo* thread_info,
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uint64_t current_pc) = 0;
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virtual void InstallBreakpoint(Breakpoint* breakpoint) {}
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virtual void InstallBreakpoint(Breakpoint* breakpoint, Function* fn) {}
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virtual void UninstallBreakpoint(Breakpoint* breakpoint) {}
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protected:
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Processor* processor_ = nullptr;
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MachineInfo machine_info_;
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CodeCache* code_cache_ = nullptr;
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};
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} // namespace backend
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} // namespace cpu
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} // namespace xe
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#endif // XENIA_CPU_BACKEND_BACKEND_H_
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