| Message ID | 1454702453-13943-1-git-send-email-laurent@vivier.eu |
|---|---|
| State | New |
| Headers | show |
On perjantaina 5. helmikuuta 2016 22.00.53 EET, Laurent Vivier wrote: > getrandom() has been introduced in kernel 3.17 and is now used during > the boot sequence of Debian unstable (stretch/sid). Applied, thanks > Signed-off-by: Laurent Vivier <laurent@vivier.eu> > --- > 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);
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);
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 <laurent@vivier.eu> --- linux-user/syscall.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)