@@ -82,7 +82,7 @@
{
}
-# else
+#else
# if defined(__x86_64__) && defined(__sun__)
@@ -110,6 +110,28 @@
c->uc_mcontext.gregs[REG_FSBASE] = fs;
}
+# elif defined(__NetBSD__)
+
+// NetBSD has a bug: setcontext clobbers tlsbase, we need to save
+// and restore it ourselves.
+
+static __thread __greg_t tlsbase;
+
+static inline void
+initcontext(void)
+{
+ ucontext_t c;
+
+ getcontext(&c);
+ tlsbase = c.uc_mcontext._mc_tlsbase;
+}
+
+static inline void
+fixcontext(ucontext_t* c)
+{
+ c->uc_mcontext._mc_tlsbase = tlsbase;
+}
+
# else
# error unknown case for SETCONTEXT_CLOBBERS_TLS