From: Laurent Vivier <laur...@vivier.eu>
getrandom() has been introduced in kernel 3.17 and is now used during
the boot sequence of Debian unstable (stretch/sid).
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
Signed-off-by: Riku Voipio <riku.voi...@linaro.org>
---
linux-user/syscall.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index dac5518..6801fa2 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -249,6 +249,9 @@ _syscall2(int, ioprio_get, int, which, int, who)
#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
#endif
+#ifdef TARGET_NR_getrandom
+_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
+#endif
static bitmask_transtbl fcntl_flags_tbl[] = {
{ TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
@@ -7541,6 +7544,16 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
arg1,
ret = get_errno(shutdown(arg1, arg2));
break;
#endif
+#ifdef TARGET_NR_getrandom
+ case TARGET_NR_getrandom:
+ p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
+ if (!p) {
+ goto efault;
+ }
+ ret = get_errno(getrandom(p, arg2, arg3));
+ unlock_user(p, arg1, ret);
+ break;
+#endif
#ifdef TARGET_NR_socket
case TARGET_NR_socket:
ret = do_socket(arg1, arg2, arg3);
--
2.7.0
