From: Fabrice Bellard <fabrice@bellard.org>
Date: Mon, 2 Nov 2026 09:26:42 +0000 (+0100)
Subject: arm64: use nan boxing only on Mac OS as other OSes may use user pointers with more... 
X-Git-Url: https://git.kaiwu.me/?a=commitdiff_plain;h=809cf738f5d88b21d166fcf2dfdab8c1fe49fd4d;p=quickjs.git

arm64: use nan boxing only on Mac OS as other OSes may use user pointers with more than 47 bits (#588)
---

diff --git a/quickjs.h b/quickjs.h
index 0708e60..747d849 100644
--- a/quickjs.h
+++ b/quickjs.h
@@ -63,7 +63,7 @@ typedef uint32_t JSAtom;
 #if !defined(JS_PTR64)
 #define JS_NAN_BOXING
 #define JS_NAN_BOX_TAG_SHIFT 32
-#elif defined(__x86_64__) || defined(__aarch64__) || defined(__riscv)
+#elif defined(__x86_64__) || (defined(__aarch64__) && defined(__APPLE__)) || defined(__riscv)
 /* we assume pointers fit on 47 bits */
 #define JS_NAN_BOXING
 #define JS_NAN_BOX_TAG_SHIFT 47