Files
Xenia-Canary/src/xenia/cpu/symbol_info.h
2015-05-31 16:31:19 -07:00

123 lines
3.2 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_CPU_SYMBOL_INFO_H_
#define XENIA_CPU_SYMBOL_INFO_H_
#include <cstdint>
#include <string>
#include "xenia/cpu/frontend/ppc_context.h"
namespace xe {
namespace cpu {
class Function;
class Module;
enum class SymbolType {
kFunction,
kVariable,
};
enum class SymbolStatus {
kNew,
kDeclaring,
kDeclared,
kDefining,
kDefined,
kFailed,
};
class SymbolInfo {
public:
SymbolInfo(SymbolType type, Module* module, uint32_t address);
virtual ~SymbolInfo();
SymbolType type() const { return type_; }
Module* module() const { return module_; }
SymbolStatus status() const { return status_; }
void set_status(SymbolStatus value) { status_ = value; }
uint32_t address() const { return address_; }
const std::string& name() const { return name_; }
void set_name(const std::string& value) { name_ = value; }
protected:
SymbolType type_;
Module* module_;
SymbolStatus status_;
uint32_t address_;
std::string name_;
};
enum class FunctionBehavior {
kDefault = 0,
kProlog,
kEpilog,
kEpilogReturn,
kBuiltin,
kExtern,
};
class FunctionInfo : public SymbolInfo {
public:
FunctionInfo(Module* module, uint32_t address);
~FunctionInfo() override;
bool has_end_address() const { return end_address_ > 0; }
uint32_t end_address() const { return end_address_; }
void set_end_address(uint32_t value) { end_address_ = value; }
FunctionBehavior behavior() const { return behavior_; }
void set_behavior(FunctionBehavior value) { behavior_ = value; }
Function* function() const { return function_; }
void set_function(Function* value) { function_ = value; }
typedef void (*BuiltinHandler)(frontend::PPCContext* ppc_context, void* arg0,
void* arg1);
void SetupBuiltin(BuiltinHandler handler, void* arg0, void* arg1);
BuiltinHandler builtin_handler() const { return builtin_info_.handler; }
void* builtin_arg0() const { return builtin_info_.arg0; }
void* builtin_arg1() const { return builtin_info_.arg1; }
typedef void (*ExternHandler)(frontend::PPCContext* ppc_context,
kernel::KernelState* kernel_state);
void SetupExtern(ExternHandler handler);
ExternHandler extern_handler() const { return extern_info_.handler; }
private:
uint32_t end_address_;
FunctionBehavior behavior_;
Function* function_;
union {
struct {
ExternHandler handler;
} extern_info_;
struct {
BuiltinHandler handler;
void* arg0;
void* arg1;
} builtin_info_;
};
};
class VariableInfo : public SymbolInfo {
public:
VariableInfo(Module* module, uint32_t address);
~VariableInfo() override;
};
} // namespace cpu
} // namespace xe
#endif // XENIA_CPU_SYMBOL_INFO_H_