Added ARM32 support

source/examples/HotReloadDemo/Shared/PluginApi.h

@@ -67,6 +67,19 @@ extern "C"
 	 * and the library can only estimate one from the distance to the next
 	 * export. MSVC has no equivalent per-function override this demo could
 	 * apply, so this one only exists on GCC/Clang.
+	 *
+	 * ARM32 needs a different implementation underneath this same
+	 * declaration (see PluginV1/src/Plugin.cpp): an ordinary empty C++
+	 * body there, even with patchable-function-entry overridden to zero,
+	 * still picks up an unoptimized build's full frame-pointer prologue
+	 * and epilogue -- confirmed directly, 8 bytes on this architecture at
+	 * `-O0`, tying this library's own ARM-state jump size exactly rather
+	 * than falling safely under it. A single hand-written `bx lr`, at file
+	 * scope rather than inside a C++ function body (sidestepping a
+	 * separate GCC quirk: an asm statement inside a naked function body
+	 * is followed by an unconditional extra NOP, confirmed directly),
+	 * reliably stays under every ARM32 jump size this library ever
+	 * writes, in both instruction sets, at every optimization level.
 	 */
 	__attribute__((patchable_function_entry(0))) void plugin_tiny_function(void);
 #endif