void sig_handler_common_tt(int sig, void *sc_ptr)
{
struct sigcontext *sc = sc_ptr;
struct tt_regs save_regs, *r;
struct signal_info *info;
int save_errno = errno, is_user;
unprotect_kernel_mem();
r = &TASK_REGS(get_current())->tt;
save_regs = *r;
is_user = user_context(SC_SP(sc));
r->sc = sc;
if(sig != SIGUSR2)
r->syscall = -1;
change_sig(SIGUSR1, 1);
info = &sig_info[sig];
if(!info->is_irq) unblock_signals();
(*info->handler)(sig, (union uml_pt_regs *) r);
if(is_user){
interrupt_end();
block_signals();
change_sig(SIGUSR1, 0);
set_user_mode(NULL);
}
*r = save_regs;
errno = save_errno;
if(is_user) protect_kernel_mem();
}
int main(int argc, char **argv) {
Image<float> input(10, 10);
for (int y = 0; y < 10; y++) {
for (int x = 0; x < 10; x++) {
input(x, y) = 1;
}
}
Image<float> output(10, 10);
user_context(input, context_pointer, output);
assert(called_malloc && called_free);
assert(called_trace && !called_error);
Image<float> big_output(11, 11);
user_context(input, context_pointer, big_output);
assert(called_error);
printf("Success!\n");
return 0;
}
void timer_handler(int sig, union uml_pt_regs *regs)
{
local_irq_disable();
irq_enter();
update_process_times(CHOOSE_MODE(
(UPT_SC(regs) && user_context(UPT_SP(regs))),
(regs)->skas.is_user));
irq_exit();
local_irq_enable();
if(current_thread->cpu == 0)
timer_irq(regs);
}
void sig_handler_common_tt(int sig, void *sc_ptr)
{
struct sigcontext *sc = sc_ptr;
struct tt_regs save_regs, *r;
struct signal_info *info;
int save_errno = errno, is_user;
unprotect_kernel_mem();
/* This is done because to allow SIGSEGV to be delivered inside a SEGV
* handler. This can happen in copy_user, and if SEGV is disabled,
* the process will die.
*/
if(sig == SIGSEGV)
change_sig(SIGSEGV, 1);
/* This is done because to allow SIGSEGV to be delivered inside a SEGV
* handler. This can happen in copy_user, and if SEGV is disabled,
* the process will die.
*/
if(sig == SIGSEGV)
change_sig(SIGSEGV, 1);
r = &TASK_REGS(get_current())->tt;
save_regs = *r;
is_user = user_context(SC_SP(sc));
r->sc = sc;
if(sig != SIGUSR2)
r->syscall = -1;
info = &sig_info[sig];
if(!info->is_irq) unblock_signals();
(*info->handler)(sig, (union uml_pt_regs *) r);
if(is_user){
interrupt_end();
block_signals();
set_user_mode(NULL);
}
*r = save_regs;
errno = save_errno;
if(is_user) protect_kernel_mem();
}
