linux-user: Map signal number in PR_GET_PDEATHSIG

Convert the host signal number to guest signal number
before returning the value to the guest.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220106225738.103012-3-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2022-01-06 14:57:36 -08:00 committed by Laurent Vivier
parent 08f5f97349
commit 1edebb36ea
1 changed files with 2 additions and 1 deletions

View File

@ -6444,7 +6444,8 @@ static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2,
int deathsig;
ret = get_errno(prctl(PR_GET_PDEATHSIG, &deathsig,
arg3, arg4, arg5));
if (!is_error(ret) && put_user_s32(deathsig, arg2)) {
if (!is_error(ret) &&
put_user_s32(host_to_target_signal(deathsig), arg2)) {
return -TARGET_EFAULT;
}
return ret;