Add support for the clock_gettime64/clock_settime64 syscalls. Currently we only support these syscalls when running on 64-bit hosts.
Signed-off-by: Alistair Francis <alistair.fran...@wdc.com> --- linux-user/syscall.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index c000fb07c5..82468e018d 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -1236,6 +1236,22 @@ static inline abi_long target_to_host_timespec(struct timespec *host_ts, } #endif +#if defined(TARGET_NR_clock_settime64) && HOST_LONG_BITS == 64 +static inline abi_long target_to_host_timespec64(struct timespec *host_ts, + abi_ulong target_addr) +{ + struct target_timespec *target_ts; + + if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) { + return -TARGET_EFAULT; + } + __get_user(host_ts->tv_sec, &target_ts->tv_sec); + __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); + unlock_user_struct(target_ts, target_addr, 0); + return 0; +} +#endif + static inline abi_long host_to_target_timespec(abi_ulong target_addr, struct timespec *host_ts) { @@ -11465,6 +11481,20 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return ret; } #endif +#ifdef TARGET_NR_clock_settime64 +# if HOST_LONG_BITS == 64 + case TARGET_NR_clock_settime64: + { + struct timespec ts; + + ret = target_to_host_timespec64(&ts, arg2); + if (!is_error(ret)) { + ret = get_errno(clock_settime(arg1, &ts)); + } + return ret; + } +# endif +#endif #ifdef TARGET_NR_clock_gettime case TARGET_NR_clock_gettime: { @@ -11476,6 +11506,19 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return ret; } #endif +#ifdef TARGET_NR_clock_gettime64 +# if HOST_LONG_BITS == 64 + case TARGET_NR_clock_gettime64: + { + struct timespec ts; + ret = get_errno(clock_gettime(arg1, &ts)); + if (!is_error(ret)) { + ret = host_to_target_timespec64(arg2, &ts); + } + return ret; + } +# endif +#endif #ifdef TARGET_NR_clock_getres case TARGET_NR_clock_getres: { -- 2.25.1