123 lines
2.4 KiB
C++
123 lines
2.4 KiB
C++
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#pragma once
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#include "../CommonDef.h"
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#include "../metadata/MetadataDef.h"
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namespace hybridclr
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{
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namespace interpreter
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{
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// from obj or arg
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enum class LocationDataType : uint8_t
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{
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I1,
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U1,
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I2,
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U2,
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U8,
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S_N, // struct size = 3，5，6，7， > 8, size is described by stackObjectSize
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};
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union StackObject
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{
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uint64_t __u64;
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void* ptr; // can't adjust position. will raise native_invoke init args bugs.
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bool b;
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int8_t i8;
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uint8_t u8;
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int16_t i16;
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uint16_t u16;
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int32_t i32;
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uint32_t u32;
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int64_t i64;
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uint64_t u64;
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float f4;
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double f8;
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Il2CppObject* obj;
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Il2CppString* str;
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Il2CppObject** ptrObj;
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};
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static_assert(sizeof(StackObject) == 8, "require 8 bytes");
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enum class ExceptionFlowType
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{
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Exception,
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Catch,
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Leave,
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};
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struct InterpMethodInfo;
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struct ExceptionFlowInfo
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{
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ExceptionFlowType exFlowType;
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int32_t throwOffset;
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Il2CppException* ex;
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int32_t nextExClauseIndex;
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int32_t leaveTarget;
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};
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struct InterpFrame
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{
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const MethodInfo* method;
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StackObject* stackBasePtr;
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int32_t oldStackTop;
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void* ret;
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byte* ip;
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ExceptionFlowInfo* exFlowBase;
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int32_t exFlowCount;
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int32_t exFlowCapaticy;
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int32_t oldLocalPoolBottomIdx;
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ExceptionFlowInfo* GetCurExFlow() const
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{
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return exFlowCount > 0 ? exFlowBase + exFlowCount - 1 : nullptr;
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}
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ExceptionFlowInfo* GetPrevExFlow() const
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{
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return exFlowCount > 1 ? exFlowBase + exFlowCount - 2 : nullptr;
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}
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};
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struct InterpExceptionClause
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{
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metadata::CorILExceptionClauseType flags;
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int32_t tryBeginOffset;
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int32_t tryEndOffset;
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int32_t handlerBeginOffset;
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int32_t handlerEndOffset;
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int32_t filterBeginOffset;
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Il2CppClass* exKlass;
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};
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struct MethodArgDesc
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{
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bool passbyValWhenInvoke;
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LocationDataType type;
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uint16_t stackObjectSize;
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};
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struct InterpMethodInfo
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{
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byte* codes;
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MethodArgDesc* args;
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uint64_t* resolveDatas;
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const InterpExceptionClause* exClauses;
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uint32_t argStackObjectSize;
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uint32_t retStackObjectSize : 24;
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uint32_t initLocals : 8;
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uint32_t localStackSize; // args + locals StackObject size
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uint32_t maxStackSize; // args + locals + evalstack size
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uint32_t argCount : 8;
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uint32_t codeLength : 24;
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uint32_t localVarBaseOffset;
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uint32_t evalStackBaseOffset;
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uint32_t exClauseCount;
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};
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}
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}
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