diff --git a/overlays/xtensa_mtk_mt818x_adsp/gdb/gdb/xtensa-config.c b/overlays/xtensa_mtk_mt818x_adsp/gdb/gdb/xtensa-config.c
index beaf6464..a1b9c8a6 100644
--- a/overlays/xtensa_mtk_mt818x_adsp/gdb/gdb/xtensa-config.c
+++ b/overlays/xtensa_mtk_mt818x_adsp/gdb/gdb/xtensa-config.c
@@ -555,7 +555,7 @@ xtensa_register_t rmap[] =
   XTREG_END
 };
 
-
+extern xtensa_register_t xtensa_rmap[] __attribute__((alias("rmap")));
 
 #ifdef XTENSA_CONFIG_INSTANTIATE
 XTENSA_CONFIG_INSTANTIATE(rmap,16)
diff --git a/overlays/xtensa_mtk_mt8195_adsp/gdb/gdb/xtensa-config.c b/overlays/xtensa_mtk_mt8195_adsp/gdb/gdb/xtensa-config.c
index 9d106c9f..bc3e8d88 100644
--- a/overlays/xtensa_mtk_mt8195_adsp/gdb/gdb/xtensa-config.c
+++ b/overlays/xtensa_mtk_mt8195_adsp/gdb/gdb/xtensa-config.c
@@ -496,4 +496,6 @@ static xtensa_register_t rmap[] =
   XTREG_END
 };
 
+extern xtensa_register_t xtensa_rmap[] __attribute__((alias("rmap")));
+
 xtensa_gdbarch_tdep xtensa_tdep (rmap);
diff --git a/overlays/xtensa_mtk_mt8196_adsp/gdb/gdb/xtensa-config.c b/overlays/xtensa_mtk_mt8196_adsp/gdb/gdb/xtensa-config.c
index 464661f2..23c96ee0 100644
--- a/overlays/xtensa_mtk_mt8196_adsp/gdb/gdb/xtensa-config.c
+++ b/overlays/xtensa_mtk_mt8196_adsp/gdb/gdb/xtensa-config.c
@@ -555,7 +555,7 @@ xtensa_register_t rmap[] =
   XTREG_END
 };
 
-
+extern xtensa_register_t xtensa_rmap[] __attribute__((alias("rmap")));
 
 #ifdef XTENSA_CONFIG_INSTANTIATE
 XTENSA_CONFIG_INSTANTIATE(rmap,16)