iOS18 DEBUG模式下生成的二进制不包含__objc_classlist，需要从debug.dylib里查找

Author: moshiwu

QMUIKit/QMUICore/QMUIRuntime.m

@@ -169,6 +169,26 @@ static BOOL strendswith(const char *str, const char *suffix) {
     NSString *executablePath = NSBundle.mainBundle.executablePath;
     if (!executablePath) return nil;
     const headerType *target_image_header = 0;
+
+#if DEBUG
+    // iOS 18.0 之后，优先查找debug.dylib
+    if (@available(iOS 18.0, *)) {
+        NSString *debugImagePath = [NSString stringWithFormat:@"%@.debug.dylib", executablePath];
+        for (uint32_t i = 0; i < imageCount; i++) {
+            const char *image_name = _dyld_get_image_name(i);
+            NSString *imagePath = [NSString stringWithUTF8String:image_name];
+            if ([imagePath isEqualToString:debugImagePath]) {
+                target_image_header = (headerType *)_dyld_get_image_header(i);
+                break;
+            }
+        }
+        
+        if (target_image_header) {
+            return target_image_header;
+        }
+    }
+#endif
+
     for (uint32_t i = 0; i < imageCount; i++) {
         const char *image_name = _dyld_get_image_name(i);// name 是一串完整的文件路径，以 image 名结尾
         NSString *imagePath = [NSString stringWithUTF8String:image_name];