commit 6b2087550345e87320f777c4db8254323d0d4123
author Richard Henderson <richard.henderson@linaro.org> Sun Apr 25 19:53:12 2021 -0700
committer Laurent Vivier <laurent@vivier.eu> Sat May 15 21:43:23 2021 +0200
tree d729b4f4c0dbe3d25a0e96680a473c6600d37cea
parent 56384cf3adaeb15bab479be328605e301ae253f2

linux-user: Pass CPUArchState to do_sigaltstack

Now that we have exactly one call, it's easy to pass
in env instead of passing in the sp value.
Use target_save_altstack, which required env.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210426025334.1168495-4-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/syscall.c

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 95d79dd..4d52b2c 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -11195,8 +11195,7 @@
         return ret;
     }
     case TARGET_NR_sigaltstack:
-        return do_sigaltstack(arg1, arg2,
-                              get_sp_from_cpustate((CPUArchState *)cpu_env));
+        return do_sigaltstack(arg1, arg2, cpu_env);
 
 #ifdef CONFIG_SENDFILE
 #ifdef TARGET_NR_sendfile