Le 25/02/2020 à 00:21, Alistair Francis a écrit :
> New y2038 safe 32-bit architectures (like RISC-V) don't support old
> syscalls with a 32-bit time_t. The kernel defines new *_time64 versions
> of these syscalls. Add some more #ifdefs to syscall.c in linux-user to
> allow us to compile without these old syscalls.
>
> Signed-off-by: Alistair Francis <alistair.fran...@wdc.com>
> Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
> ---
> linux-user/strace.c | 2 ++
> linux-user/syscall.c | 20 ++++++++++++++++++++
> 2 files changed, 22 insertions(+)
>
> diff --git a/linux-user/strace.c b/linux-user/strace.c
> index 4f7130b2ff..6420ccd97b 100644
> --- a/linux-user/strace.c
> +++ b/linux-user/strace.c
> @@ -775,6 +775,7 @@ print_syscall_ret_newselect(const struct syscallname
> *name, abi_long ret)
> #define TARGET_TIME_OOP 3 /* leap second in progress */
> #define TARGET_TIME_WAIT 4 /* leap second has occurred */
> #define TARGET_TIME_ERROR 5 /* clock not synchronized */
> +#ifdef TARGET_NR_adjtimex
> static void
> print_syscall_ret_adjtimex(const struct syscallname *name, abi_long ret)
> {
> @@ -813,6 +814,7 @@ print_syscall_ret_adjtimex(const struct syscallname
> *name, abi_long ret)
>
> qemu_log("\n");
> }
> +#endif
>
> UNUSED static struct flags access_flags[] = {
> FLAG_GENERIC(F_OK),
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 8d27d10807..5a2156f95a 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -742,8 +742,10 @@ safe_syscall3(ssize_t, read, int, fd, void *, buff,
> size_t, count)
> safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count)
> safe_syscall4(int, openat, int, dirfd, const char *, pathname, \
> int, flags, mode_t, mode)
> +#if defined(TARGET_NR_wait4)
> safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \
> struct rusage *, rusage)
safe_wait4 is also used in TARGET_NR_waitpid
Thanks,
Laurent
