static int restore_thread_common(struct rt_sigframe *sigframe,
struct thread_restore_args *args)
{
sys_set_tid_address((int *)decode_pointer(args->clear_tid_addr));
if (args->has_futex && args->futex_rla_len) {
int ret;
ret = sys_set_robust_list(decode_pointer(args->futex_rla),
args->futex_rla_len);
if (ret) {
pr_err("Failed to recover futex robust list: %d\n", ret);
return -1;
}
}
if (args->has_blk_sigset)
RT_SIGFRAME_UC(sigframe).uc_sigmask = args->blk_sigset;
restore_sched_info(&args->sp);
if (restore_fpu(sigframe, args))
return -1;
if (restore_gpregs(sigframe, &args->gpregs))
return -1;
restore_tls(args->tls);
return 0;
}
int construct_sigframe(struct rt_sigframe *sigframe,
struct rt_sigframe *rsigframe,
k_rtsigset_t *blkset,
CoreEntry *core)
{
/*
* Copy basic register set in the first place: this will set
* rt_sigframe type: native/compat.
*/
if (restore_gpregs(sigframe, CORE_THREAD_ARCH_INFO(core)->gpregs))
return -1;
if (blkset)
rt_sigframe_copy_sigset(sigframe, blkset);
else
rt_sigframe_erase_sigset(sigframe);
if (restore_fpu(sigframe, core))
return -1;
if (RT_SIGFRAME_HAS_FPU(sigframe))
if (sigreturn_prep_fpu_frame(sigframe, rsigframe))
return -1;
setup_sas(sigframe, core->thread_core->sas);
return 0;
}
int construct_sigframe(struct rt_sigframe *sigframe,
struct rt_sigframe *rsigframe,
CoreEntry *core)
{
k_rtsigset_t *blk_sigset = (k_rtsigset_t*)&RT_SIGFRAME_UC(sigframe).uc_sigmask;
if (core->tc)
memcpy(blk_sigset, &core->tc->blk_sigset, sizeof(k_rtsigset_t));
else if (core->thread_core->has_blk_sigset) {
memcpy(blk_sigset,
&core->thread_core->blk_sigset, sizeof(k_rtsigset_t));
} else
memset(blk_sigset, 0, sizeof(k_rtsigset_t));
if (restore_fpu(sigframe, core))
return -1;
if (RT_SIGFRAME_HAS_FPU(sigframe))
if (sigreturn_prep_fpu_frame(sigframe, &RT_SIGFRAME_FPU(rsigframe)))
return -1;
if (restore_gpregs(sigframe, CORE_THREAD_ARCH_INFO(core)->gpregs))
return -1;
setup_sas(sigframe, core->thread_core->sas);
return 0;
}
