static int setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs)
{
struct rt_sigframe __user *frame;
int err = 0;
frame = get_sigframe(ka, regs);
if (!frame)
return 1;
__put_user_error(0, &frame->uc.uc_flags, err);
__put_user_error(0, &frame->uc.uc_link, err);
err |= __save_altstack(&frame->uc.uc_stack, regs->sp);
err |= setup_sigframe(frame, regs, set);
if (err == 0) {
setup_return(regs, ka, frame, usig);
if (ka->sa.sa_flags & SA_SIGINFO) {
err |= copy_siginfo_to_user(&frame->info, info);
regs->regs[1] = (unsigned long)&frame->info;
regs->regs[2] = (unsigned long)&frame->uc;
}
}
return err;
}
static int
setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
{
struct rt_sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));
int err = 0;
if (!frame)
return 1;
err |= copy_siginfo_to_user(&frame->info, &ksig->info);
__put_user_error(0, &frame->sig.uc.uc_flags, err);
__put_user_error(NULL, &frame->sig.uc.uc_link, err);
err |= __save_altstack(&frame->sig.uc.uc_stack, regs->ARM_sp);
err |= setup_sigframe(&frame->sig, regs, set);
if (err == 0)
err = setup_return(regs, ksig, frame->sig.retcode, frame);
if (err == 0) {
/*
* For realtime signals we must also set the second and third
* arguments for the signal handler.
* -- Peter Maydell <*****@*****.**> 2000-12-06
*/
regs->ARM_r1 = (unsigned long)&frame->info;
regs->ARM_r2 = (unsigned long)&frame->sig.uc;
}
return err;
}
static int
setup_rt_frame(struct ksignal *ksig, sigset_t * set, struct pt_regs *regs)
{
struct rt_sigframe __user *frame =
get_sigframe(ksig, regs, sizeof(*frame));
int err = 0;
if (!access_ok(frame, sizeof(*frame)))
return -EFAULT;
__put_user_error(0, &frame->uc.uc_flags, err);
__put_user_error(NULL, &frame->uc.uc_link, err);
err |= __save_altstack(&frame->uc.uc_stack, regs->sp);
err |= setup_sigframe(frame, regs, set);
if (err == 0) {
setup_return(regs, ksig, frame);
if (ksig->ka.sa.sa_flags & SA_SIGINFO) {
err |= copy_siginfo_to_user(&frame->info, &ksig->info);
regs->uregs[1] = (unsigned long)&frame->info;
regs->uregs[2] = (unsigned long)&frame->uc;
}
}
return err;
}
static int
setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs)
{
struct rt_sigframe __user *frame = get_sigframe(ka, regs, sizeof(*frame));
stack_t stack;
int err = 0;
if (!frame)
return 1;
err |= copy_siginfo_to_user(&frame->info, info);
__put_user_error(0, &frame->sig.uc.uc_flags, err);
__put_user_error(NULL, &frame->sig.uc.uc_link, err);
memset(&stack, 0, sizeof(stack));
stack.ss_sp = (void __user *)current->sas_ss_sp;
stack.ss_flags = sas_ss_flags(regs->ARM_sp);
stack.ss_size = current->sas_ss_size;
err |= __copy_to_user(&frame->sig.uc.uc_stack, &stack, sizeof(stack));
err |= setup_sigframe(&frame->sig, regs, set);
if (err == 0)
err = setup_return(regs, ka, frame->sig.retcode, frame, usig);
if (err == 0) {
regs->ARM_r1 = (unsigned long)&frame->info;
regs->ARM_r2 = (unsigned long)&frame->sig.uc;
}
return err;
}
static int
setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *regs)
{
struct sigframe *frame = get_sigframe(ka, regs, sizeof(*frame));
int err = 0;
preempt_disable();
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame))) {
preempt_enable();
return 1;
}
err |= setup_sigcontext(&frame->sc, /*&frame->fpstate,*/ regs, set->sig[0]);
if (_NSIG_WORDS > 1) {
err |= __copy_to_user(frame->extramask, &set->sig[1],
sizeof(frame->extramask));
}
if (err == 0)
err = setup_return(regs, ka, &frame->retcode, frame, usig);
preempt_enable();
return err;
}
static void
setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct exregs_regs *regs)
{
struct sigframe *frame = get_sigframe(ka, regs, sizeof(*frame));
unsigned long handler = (unsigned long)ka->sa.sa_handler;
int err = 0;
printk_dbg("%s called\n", __func__);
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
goto badframe;
err |= setup_sigcontext(&frame->sc, /*&frame->fpstate,*/ regs, set->sig[0]);
if (_NSIG_WORDS > 1) {
err |= __copy_to_user(frame->extramask, &set->sig[1],
sizeof(frame->extramask));
}
err |= __put_user(handler, &frame->sig_ip);
printk_dbg("%s frame->sig_ip = %lx\n", __func__, handler);
if (!err)
err = setup_return(regs, ka, &frame->retcode, frame,
&frame->lr, &frame->usig, usig);
if (err)
goto badframe;
regs->ip = TASK_SIG_BASE;
switch (regs->syscall_action)
{
case 1: /* Syscall */
regs->ip += ((unsigned long)&__wombat_user_sigentry) & ~PAGE_MASK;
break;
case 0: /* Fault */
case 2: /* Restart syscall */
regs->ip += ((unsigned long)&__wombat_user_sigentry_restart) & ~PAGE_MASK;
break;
case 4: /* Interrupt syscall */
regs->ip += ((unsigned long)&__wombat_user_sigentry_int) & ~PAGE_MASK;
break;
default:
BUG();
}
set_need_restart(current_thread_info(), regs->ip,
regs->sp, regs->flags);
printk_dbg("SIG deliver (%s:%d:%lx): sp=%p pc=%p\n",
current->comm, current->pid,
current_thread_info()->user_tid.raw,
frame, (void*)regs->ip);
return;
badframe:
force_sigsegv(usig, current);
return;
}
static int
setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *regs)
{
struct sigframe __user *frame = get_sigframe(ka, regs, sizeof(*frame));
int err = 0;
if (!frame)
return 1;
__put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err);
err |= setup_sigframe(frame, regs, set);
if (err == 0)
err = setup_return(regs, ka, frame->retcode, frame, usig);
return err;
}
static int
setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs)
{
struct rt_sigframe __user *frame = get_sigframe(ka, regs, sizeof(*frame));
stack_t stack;
int err = 0;
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
return 1;
__put_user_error(&frame->info, &frame->pinfo, err);
__put_user_error(&frame->uc, &frame->puc, err);
err |= copy_siginfo_to_user(&frame->info, info);
__put_user_error(0, &frame->uc.uc_flags, err);
__put_user_error(NULL, &frame->uc.uc_link, err);
memset(&stack, 0, sizeof(stack));
stack.ss_sp = (void *)current->sas_ss_sp;
stack.ss_flags = sas_ss_flags(regs->ARM_sp);
stack.ss_size = current->sas_ss_size;
err |= __copy_to_user(&frame->uc.uc_stack, &stack, sizeof(stack));
err |= setup_sigcontext(&frame->uc.uc_mcontext, /*&frame->fpstate,*/
regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (err == 0)
err = setup_return(regs, ka, &frame->retcode, frame, usig);
if (err == 0) {
/*
* For realtime signals we must also set the second and third
* arguments for the signal handler.
* -- Peter Maydell <*****@*****.**> 2000-12-06
*/
regs->ARM_r1 = (unsigned long)&frame->info;
regs->ARM_r2 = (unsigned long)&frame->uc;
}
return err;
}
static int
setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
{
struct sigframe __user *frame = get_sigframe(ksig, regs, sizeof(*frame));
int err = 0;
if (!frame)
return 1;
/*
* Set uc.uc_flags to a value which sc.trap_no would never have.
*/
__put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err);
err |= setup_sigframe(frame, regs, set);
if (err == 0)
err = setup_return(regs, ksig, frame->retcode, frame);
return err;
}
static int setup_frame(int usig, struct k_sigaction *ka,
sigset_t *set, struct pt_regs *regs)
{
struct sigframe __user *frame = get_sigframe(ka, regs, sizeof(*frame));
int err = 0;
if (!frame)
return 1;
/*
* Set uc.uc_flags to a value which sc.trap_no would never have.
*/
err |= __put_user(0x5ac3c35a, &frame->uc.uc_flags);
err |= setup_sigframe(frame, regs, set);
if (err == 0)
err |= setup_return(regs, ka, frame->retcode, frame, usig);
return err;
}
static int
setup_frame(int usig, struct k_sigaction* ka,sigset_t* set,struct pt_regs* regs)
{
struct sigframe __user *frame=get_sigframe(ka,regs,sizeof(struct sigframe));
int err=0;
if(!frame) {
return 1;
}
err |= setup_sigcontext(&frame->sc,regs,set->sig[0]);
if(_NSIG_WORDS >1) {
err |= __copy_to_user(frame->extramask,&set->sig[1],
sizeof(frame->extramask));
}
if(err == 0) {
err=setup_return(regs,frame,ka,usig);
}
return err;
}
static int setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs)
{
struct rt_sigframe __user *frame =
get_sigframe(ka, regs, sizeof(*frame));
stack_t stack;
int err = 0;
if (!frame)
return 1;
err |= copy_siginfo_to_user(&frame->info, info);
err |= __put_user(0, &frame->sig.uc.uc_flags);
err |= __put_user(NULL, &frame->sig.uc.uc_link);
memset(&stack, 0, sizeof(stack));
stack.ss_sp = (void __user *)current->sas_ss_sp;
stack.ss_flags = sas_ss_flags(regs->UCreg_sp);
stack.ss_size = current->sas_ss_size;
err |= __copy_to_user(&frame->sig.uc.uc_stack, &stack, sizeof(stack));
err |= setup_sigframe(&frame->sig, regs, set);
if (err == 0)
err |= setup_return(regs, ka, frame->sig.retcode, frame, usig);
if (err == 0) {
/*
* For realtime signals we must also set the second and third
* arguments for the signal handler.
*/
regs->UCreg_01 = (unsigned long)&frame->info;
regs->UCreg_02 = (unsigned long)&frame->sig.uc;
}
return err;
}
static int
setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs *regs)
{
struct rt_sigframe *frame = get_sigframe(ka, regs, sizeof(*frame));
int err = 0;
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
return 1;
preempt_disable();
__put_user_error(&frame->info, &frame->pinfo, err);
__put_user_error(&frame->uc, &frame->puc, err);
err |= copy_siginfo_to_user(&frame->info, info);
/* Clear all the bits of the ucontext we don't use. */
err |= __clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext));
err |= setup_sigcontext(&frame->uc.uc_mcontext, /*&frame->fpstate,*/
regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (err == 0)
err = setup_return(regs, ka, &frame->retcode, frame, usig);
if (err == 0) {
/*
* For realtime signals we must also set the second and third
* arguments for the signal handler.
* -- Peter Maydell <*****@*****.**> 2000-12-06
*/
regs->ARM_r1 = (unsigned long)&frame->info;
regs->ARM_r2 = (unsigned long)&frame->uc;
}
preempt_enable();
return err;
}
static void
setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct exregs_regs *regs)
{
struct rt_sigframe *frame = get_sigframe(ka, regs, sizeof(*frame));
unsigned long handler = (unsigned long)ka->sa.sa_handler;
int err = 0;
printk_dbg("%s called\n", __func__);
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
goto badframe;
__put_user_error(&frame->info, &frame->pinfo, err);
__put_user_error(&frame->uc, &frame->puc, err);
err |= copy_siginfo_to_user(&frame->info, info);
/* Clear all the bits of the ucontext we don't use. */
err |= clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext));
err |= setup_sigcontext(&frame->uc.uc_mcontext, /*&frame->fpstate,*/
regs, set->sig[0]);
err |= copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
err |= __put_user(handler, &frame->sig_ip);
printk_dbg("%s frame->sig_ip = %lx\n", __func__, handler);
if (!err)
err = setup_return(regs, ka, &frame->retcode, frame,
&frame->lr, &frame->usig, usig);
if (!err) {
/*
* For realtime signals we must also set the second and third
* arguments for the signal handler.
* -- Peter Maydell <*****@*****.**> 2000-12-06
*/
// ARM_put_r1(regs, (unsigned long)frame->pinfo);
// ARM_put_r2(regs, (unsigned long)frame->puc);
}
if (err)
goto badframe;
regs->ip = TASK_SIG_BASE;
switch (regs->syscall_action)
{
case 1: /* Syscall */
regs->ip += ((unsigned long)&__wombat_user_rt_sigentry) & ~PAGE_MASK;
break;
case 0: /* Fault */
case 2: /* Restart syscall */
regs->ip += ((unsigned long)&__wombat_user_rt_sigentry_restart) & ~PAGE_MASK;
break;
case 4: /* Interrupt syscall */
regs->ip += ((unsigned long)&__wombat_user_rt_sigentry_int) & ~PAGE_MASK;
break;
default:
BUG();
}
set_need_restart(current_thread_info(), regs->ip,
regs->sp, regs->flags);
printk_dbg("SIG rt deliver (%s:%d:%lx): sp=%p pc=%p\n",
current->comm, current->pid,
current_thread_info()->user_tid.raw,
frame, (void*)regs->ip);
return;
badframe:
force_sigsegv(usig, current);
return;
}
void set_parent_info(JITMethodInfo& info) {
parent_info_ = &info;
setup_return();
}
