diff options
Diffstat (limited to 'linux-user/signal.c')
| -rw-r--r-- | linux-user/signal.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c index 9daa89eac5..2e1095055b 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -800,21 +800,18 @@ static void host_signal_handler(int host_signum, siginfo_t *info, /* do_sigaltstack() returns target values and errnos. */ /* compare linux/kernel/signal.c:do_sigaltstack() */ -abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp) +abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, + CPUArchState *env) { target_stack_t oss, *uoss = NULL; abi_long ret = -TARGET_EFAULT; if (uoss_addr) { - TaskState *ts = (TaskState *)thread_cpu->opaque; - /* Verify writability now, but do not alter user memory yet. */ if (!lock_user_struct(VERIFY_WRITE, uoss, uoss_addr, 0)) { goto out; } - __put_user(ts->sigaltstack_used.ss_sp, &oss.ss_sp); - __put_user(ts->sigaltstack_used.ss_size, &oss.ss_size); - __put_user(sas_ss_flags(sp), &oss.ss_flags); + target_save_altstack(&oss, env); } if (uss_addr) { @@ -823,7 +820,7 @@ abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp) if (!lock_user_struct(VERIFY_READ, uss, uss_addr, 1)) { goto out; } - ret = target_restore_altstack(uss, sp); + ret = target_restore_altstack(uss, get_sp_from_cpustate(env)); if (ret) { goto out; } |