From 46f4f76d332d8c2b4eb24c8e6f91ac8bdc205733 Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@bsdimp.com>
Date: Sat, 8 Jan 2022 21:40:28 -0700
Subject: bsd-user/signal.c: setup_frame

setup_frame sets up a signalled stack frame. Associated routines to
extract the pointer to the stack frame and to support alternate stacks.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@freebsd.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 bsd-user/main.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'bsd-user/main.c')

diff --git a/bsd-user/main.c b/bsd-user/main.c
index 29cf4e1569..f1d58e905e 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -217,6 +217,11 @@ void qemu_cpu_kick(CPUState *cpu)
 /* Assumes contents are already zeroed.  */
 static void init_task_state(TaskState *ts)
 {
+    ts->sigaltstack_used = (struct target_sigaltstack) {
+        .ss_sp = 0,
+        .ss_size = 0,
+        .ss_flags = TARGET_SS_DISABLE,
+    };
 }
 
 void gemu_log(const char *fmt, ...)
-- 
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