From f17aaeccf915f4d2eef58354da5b16700263dba4 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Tue, 12 Apr 2022 17:26:27 -0400
Subject: service: jit: Implement the JIT service

---
 src/core/hle/service/jit/jit_context.h | 65 ++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 src/core/hle/service/jit/jit_context.h

(limited to 'src/core/hle/service/jit/jit_context.h')

diff --git a/src/core/hle/service/jit/jit_context.h b/src/core/hle/service/jit/jit_context.h
new file mode 100644
index 000000000..d8bf76cff
--- /dev/null
+++ b/src/core/hle/service/jit/jit_context.h
@@ -0,0 +1,65 @@
+// Copyright 2022 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <span>
+#include <string>
+
+#include "common/common_types.h"
+
+namespace Core::Memory {
+class Memory;
+}
+
+namespace Service::JIT {
+
+class JITContextImpl;
+
+class JITContext {
+public:
+    explicit JITContext(Core::Memory::Memory& memory);
+    ~JITContext();
+
+    [[nodiscard]] bool LoadNRO(std::span<const u8> data);
+    void MapProcessMemory(VAddr dest_address, std::size_t size);
+
+    template <typename T, typename... Ts>
+    u64 CallFunction(VAddr func, T argument, Ts... rest) {
+        static_assert(std::is_trivially_copyable_v<T>);
+        PushArgument(&argument, sizeof(argument));
+
+        if constexpr (sizeof...(rest) > 0) {
+            return CallFunction(func, rest...);
+        } else {
+            return CallFunction(func);
+        }
+    }
+
+    u64 CallFunction(VAddr func);
+    VAddr GetHelper(const std::string& name);
+
+    template <typename T>
+    VAddr AddHeap(T argument) {
+        return AddHeap(&argument, sizeof(argument));
+    }
+    VAddr AddHeap(const void* data, size_t size);
+
+    template <typename T>
+    T GetHeap(VAddr location) {
+        static_assert(std::is_trivially_copyable_v<T>);
+        T result;
+        GetHeap(location, &result, sizeof(result));
+        return result;
+    }
+    void GetHeap(VAddr location, void* data, size_t size);
+
+private:
+    std::unique_ptr<JITContextImpl> impl;
+
+    void PushArgument(const void* data, size_t size);
+};
+
+} // namespace Service::JIT
-- 
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