2 files changed, 41 insertions, 0 deletions
diff --git a/dev/base/RunDLL64/build.json b/dev/base/RunDLL64/build.json
new file mode 100644
index 00000000..a69dbb11
--- /dev/null
+++ b/dev/base/RunDLL64/build.json
@@ -0,0 +1,19 @@
+{
+  "compiler_path": "x86_64-w64-mingw32-g++",
+  "compiler_std": "c++20",
+  "headers_path": ["../", "./", "../../"],
+  "sources_path": ["src/*.cxx"],
+  "output_name": "rundll64.exe",
+  "compiler_flags": [
+    "-ffreestanding",
+    "-fno-rtti",
+    "-fno-exceptions",
+    " -Wl,--subsystem=17"
+  ],
+  "cpp_macros": [
+    "__RUNDLL_AMD64__",
+    "cRunDLLVersion=0x0100",
+    "cRunDLLVersionHighest=0x0100",
+    "cRunDLLVersionLowest=0x0100"
+  ]
+}
diff --git a/dev/base/RunDLL64/src/LauncherMain.cxx b/dev/base/RunDLL64/src/LauncherMain.cxx
new file mode 100644
index 00000000..ed1ab65c
--- /dev/null
+++ b/dev/base/RunDLL64/src/LauncherMain.cxx
@@ -0,0 +1,22 @@
+#include <sci/sci_base.hxx>
+
+typedef int (*MainKind)(int, char**);
+
+int WinMain(int argc, char* argv[])
+{
+	if (argc < 3)
+		return -1;
+
+	auto mainDll = LdrOpenDLL(argv[1], argv[2]);
+
+	int (*entrypointOff)(int, char**) = (MainKind)LdrGetDLLProc(argv[3], mainDll);
+
+	if (!entrypointOff)
+		return -1;
+
+	int ret = entrypointOff(argc, argv);
+
+	LdrCloseDLL(mainDll);
+
+	return ret;
+}