bsd-user: Define TARGET_SIGSTACK_ALIGN and use it to round stack
Most (all?) targets require stacks to be properly aligned. Rather than a
series of ifdefs in bsd-user/signal.h, instead use a manditory #define
for all architectures.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/bsd-user/aarch64/target_arch_signal.h b/bsd-user/aarch64/target_arch_signal.h
index bff752a..b72ba7a 100644
--- a/bsd-user/aarch64/target_arch_signal.h
+++ b/bsd-user/aarch64/target_arch_signal.h
@@ -77,4 +77,6 @@
target_ucontext_t sf_uc; /* saved ucontext */
};
+#define TARGET_SIGSTACK_ALIGN 16
+
#endif /* TARGET_ARCH_SIGNAL_H */
