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#include <mach/mach.h>
#include <stdio.h>
int main(int argc, char* argv[]) {
kern_return_t kr;
thread_t th;
mach_port_name_t mytask, mythread;
printf("Hello, world!\n");
mytask = mach_task_self();
mythread = mach_thread_self();
thread_create(mytask, &th);
arm_thread_state_t state;
mach_msg_type_number_t count;
kr = thread_get_state(th, ARM_THREAD_STATE, (thread_state_t)&state, &count);
printf("%d %d %s\n", kr, KERN_SUCCESS, mach_error_string(kr));
for (int i = 0; i < 13; i++) {
state.__r[i] = 0x41414140 + i;
}
state.__sp = 0x4141414c;
state.__lr = 0x4141414d;
state.__pc = 0x4141414e;
kr = thread_set_state(th, ARM_THREAD_STATE, (thread_state_t)&state, ARM_THREAD_STATE_COUNT);
printf("%d %d %s\n", kr, KERN_SUCCESS, mach_error_string(kr));
kr = thread_resume(th);
printf("%d %d %s\n", kr, KERN_SUCCESS, mach_error_string(kr));
printf("still alive?\n");
return 0;
}
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