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$NetBSD: patch-js_src_jit_FlushICache.cpp,v 1.1 2022/10/08 21:18:55 ryoon Exp $
NetBSD does not have the Linux-specific membarrier(2) syscall.
--- js/src/jit/FlushICache.cpp.orig 2022-09-08 19:35:33.000000000 +0000
+++ js/src/jit/FlushICache.cpp
@@ -31,12 +31,18 @@
# elif defined(__android__)
# include <sys/syscall.h>
# include <unistd.h>
+# elif defined(__NetBSD__)
+ // nothing
# else
# error "Missing platform-specific declarations for membarrier syscall!"
# endif // __linux__ / ANDROID
static int membarrier(int cmd, int flags) {
+#if defined(__NetBSD__)
+ return ENOSYS;
+#else
return syscall(__NR_membarrier, cmd, flags);
+#endif
}
// These definitions come from the Linux kernel source, for kernels before 4.16
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