arch_debug_get_interrupt_pc
void* arch_debug_get_interrupt_pc(bool* _isSyscall);
pc = (addr_t)arch_debug_get_interrupt_pc(NULL);
*returnAddresses = (addr_t)arch_debug_get_interrupt_pc(NULL);
&& !IS_KERNEL_ADDRESS(arch_debug_get_interrupt_pc(NULL))) {
void* pc = arch_debug_get_interrupt_pc(&isSyscall);
fPreviousPC = arch_debug_get_interrupt_pc(NULL);