On 6/16/21 3:11 AM, Richard Henderson wrote:
> Split out setup_sigreturn so that we can continue to
> initialize the words on the stack, as documented.
> However, use the off-stack trampoline.
>
> Cc: Edgar E. Iglesias <edgar.igles...@gmail.com>
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
> ---
> linux-user/cris/target_signal.h | 2 ++
> linux-user/cris/signal.c | 29 +++++++++++++++++++++--------
> 2 files changed, 23 insertions(+), 8 deletions(-)
> +void setup_sigtramp(abi_ulong sigtramp_page)
> +{
> + uint16_t *tramp = lock_user(VERIFY_WRITE, sigtramp_page, 4 * 2, 0);
3 * 2?
> + assert(tramp != NULL);
> +
> + default_sigreturn = sigtramp_page;
> + setup_sigreturn(tramp);
> +
> + unlock_user(tramp, sigtramp_page, 4 * 2);
Ditto.
> +}
>
