NORETURN void CreateSession(struct NaClApp *nap)
{
uintptr_t stack_ptr;
assert(nap != NULL);
/* set up user stack */
stack_ptr = nap->mem_start + ((uintptr_t)1U << nap->addr_bits);
stack_ptr -= STACK_USER_DATA_SIZE;
memset((void*)stack_ptr, 0, STACK_USER_DATA_SIZE);
((uint32_t*)stack_ptr)[4] = 1;
((uint32_t*)stack_ptr)[5] = 0xfffffff0;
/*
* construct "nacl_user" and "nacl_sys" globals
* note: nacl_sys->prog_ctr meaningless but should not be 0
*/
ThreadContextCtor(nacl_user, nap, nap->initial_entry_pt, stack_ptr);
ThreadContextCtor(nacl_sys, nap, 1, GetStackPtr());
/* pass control to the user side */
ZLOGS(LOG_DEBUG, "SESSION %d STARTED", nap->manifest->node);
ContextSwitch(nacl_user);
ZLOGFAIL(1, EFAULT, "the unreachable has been reached");
}
NORETURN void CreateSession(struct NaClApp *nap)
{
uintptr_t stack_ptr;
assert(nap != NULL);
/* set up user stack */
stack_ptr = nap->mem_start + ((uintptr_t)1U << nap->addr_bits);
stack_ptr -= STACK_USER_DATA_SIZE;
memset((void*)stack_ptr, 0, STACK_USER_DATA_SIZE);
((uint32_t*)stack_ptr)[4] = 1;
((uint32_t*)stack_ptr)[5] = 0xfffffff0;
/* construct "nacl_user" global */
ThreadContextCtor(nacl_user, nap, nap->initial_entry_pt, stack_ptr, 0);
nacl_user->sysret = nap->break_addr;
nacl_user->prog_ctr = NaClUserToSys(nap, nap->initial_entry_pt);
nacl_user->new_prog_ctr = NaClUserToSys(nap, nap->initial_entry_pt);
/* initialize "nacl_sys" global */
nacl_sys->rbp = GetStackPtr();
nacl_sys->rsp = GetStackPtr();
/* pass control to the user side */
ZLOGS(LOG_DEBUG, "SESSION %d STARTED", nap->manifest->node);
SwitchToApp(nap, nacl_user->new_prog_ctr);
ZLOGFAIL(1, EFAULT, "the unreachable has been reached");
}
