fix: split files, add padding and return checking on disasm

include/radhook/defines.h

@@ -0,0 +1,46 @@
+#ifndef __LIBRADHOOK_DEFINES_HPP__
+#define __LIBRADHOOK_DEFINES_HPP__
+
+#include <cstdint>
+#include <cstddef>
+
+#include <type_traits>
+
+// platform detection
+#if !defined(RADIUM_PLATFORM_WINDOWS) && !defined(RADIUM_PLATFORM_ANDROID)
+# if defined(_WIN32) || defined(_WIN64)
+#  define RADIUM_PLATFORM_WINDOWS 1
+# elif defined(__ANDROID__)
+#  define RADIUM_PLATFORM_ANDROID 1
+# else
+#  error "radhook: unsupported platform -- define RADIUM_PLATFORM_WINDOWS or RADIUM_PLATFORM_ANDROID"
+# endif
+#endif
+
+// architecture detection
+#if defined(_M_X64) || defined(__x86_64__)
+# define RADHOOK_ARCH_X64 1
+#elif defined(_M_ARM64) || defined(__aarch64__)
+# define RADHOOK_ARCH_ARM64 1
+#else
+# error "radhook: unsupported architecture -- need x86-64 or aarch64"
+#endif
+
+// api macros
+#if defined(_WIN32)
+# if defined(RADHOOK_BUILD)
+#  define RADHOOK_API __declspec(dllexport)
+# elif defined(RADHOOK_SHARED)
+#  define RADHOOK_API __declspec(dllimport)
+# else
+#  define RADHOOK_API
+# endif
+#else
+# if defined(__GNUC__) || defined(__clang__)
+#  define RADHOOK_API __attribute__((visibility("default")))
+# else
+#  define RADHOOK_API
+# endif
+#endif
+
+#endif // __LIBRADHOOK_DEFINES_HPP__