From: Richard Henderson <richard.hender...@linaro.org>
On alpha, the sigset argument for sigsuspend is in a register.
When we drop that into memory that happens in host-endianness,
but target_to_host_old_sigset will treat it as target-endianness.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Laurent Vivier <laur...@vivier.eu>
Message-Id: <20220315084308.433109-2-richard.hender...@linaro.org>
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
---
linux-user/syscall.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 75ed71eb461d..77cd88b53785 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -9559,7 +9559,8 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
{
TaskState *ts = cpu->opaque;
#if defined(TARGET_ALPHA)
- abi_ulong mask = arg1;
+ /* target_to_host_old_sigset will bswap back */
+ abi_ulong mask = tswapal(arg1);
target_to_host_old_sigset(&ts->sigsuspend_mask, &mask);
#else
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t),
1)))
--
2.35.1
