Init

2025-02-10 00:44:11 +08:00
parent ece733c0e5
commit 1e0c4b8d8c
1640 changed files with 1628924 additions and 0 deletions
@@ -0,0 +1,89 @@
+/*
+ * Tencent is pleased to support the open source community by making Puerts available.
+ * Copyright (C) 2020 THL A29 Limited, a Tencent company.  All rights reserved.
+ * Puerts is licensed under the BSD 3-Clause License, except for the third-party components listed in the file 'LICENSE' which may
+ * be subject to their corresponding license terms. This file is subject to the terms and conditions defined in file 'LICENSE',
+ * which is part of this source code package.
+ */
+
+#pragma once
+#include "CoreMinimal.h"
+#include "WasmCommonIncludes.h"
+#include "WasmEnv.h"
+
+class WasmModuleInstance;
+class WasmFunction;
+class WasmPointerSupport;
+
+struct WASMCORE_API WasmStackAllocCacheInfo
+{
+    WASM_PTR PtrInWasm = 0;
+    char* RealPtr = nullptr;
+};
+
+class WASMCORE_API WasmRuntime final
+{
+private:
+    WasmEnv* _Env;
+    IM3Runtime _Runtime;
+    TArray<WasmModuleInstance*> _AllModuleInstances;
+    uint16 _RuntimeSeq;
+
+    WasmStackAllocCacheInfo CurrentStackAllocInfo;
+    WasmStackAllocCacheInfo BaseStackAllocInfo;
+    WASM_PTR MaxWasmStackAllocCount = 0;
+
+public:
+    WasmEnv* GetEnv()
+    {
+        return _Env;
+    }
+    WasmStackAllocCacheInfo GetCurrentStackAllocInfo()
+    {
+        return CurrentStackAllocInfo;
+    }
+    WasmStackAllocCacheInfo AllocStackParam(int Count)
+    {
+        WasmStackAllocCacheInfo ret = CurrentStackAllocInfo;
+        if (Count < 8)
+            Count = 8;
+        CurrentStackAllocInfo.PtrInWasm += Count;
+        CurrentStackAllocInfo.RealPtr += Count;
+        check(CurrentStackAllocInfo.PtrInWasm - BaseStackAllocInfo.PtrInWasm < MaxWasmStackAllocCount);
+        return ret;
+    }
+
+    void RestoreCurrentStackAllocInfo(const WasmStackAllocCacheInfo& NewInfo)
+    {
+        check(NewInfo.PtrInWasm >= BaseStackAllocInfo.PtrInWasm && NewInfo.RealPtr >= BaseStackAllocInfo.RealPtr);
+        CurrentStackAllocInfo = NewInfo;
+    }
+
+    WasmRuntime(WasmEnv* Env, int MaxPage = 10, int InitPage = 1, int StackSizeInBytes = 5 * 1024);
+    ~WasmRuntime();
+
+    int Grow(int number);
+    uint8* GetBuffer(int& Length);
+
+    uint16 GetRuntimeSeq() const
+    {
+        return _RuntimeSeq;
+    }
+
+    WasmModuleInstance* GetModuleInstance(int index) const
+    {
+        return _AllModuleInstances[index];
+    }
+
+    WasmModuleInstance* OnModuleInstance(WasmModuleInstance* InModuleInstance);
+
+    FORCEINLINE IM3Runtime GetRuntime() const
+    {
+        return _Runtime;
+    }
+
+    //转换wasm与host的地址
+    void* GetPlatformAddress(WASM_PTR ptr);
+
+    static WasmRuntime* StaticGetWasmRuntime(IM3Runtime Runtime);
+};