BP Routine

gistfile1.txt

int SetBreakPoint(uint64_t Address) {
        BPID++;
        
        Breakpoint B;
        B.ID = BPID;
        B.address = Address;
        B.active  = true;
        B.max_hits = -1;
        B.description = "";
        B.BP_Inst = REGULAR;
        B.Orig_Inst = 0;
        B.hitcount = 0;
    
        
        mach_vm_size_t nread;
        mach_vm_read_overwrite(targetTask, B.address, 1, (mach_vm_address_t) &B.Orig_Inst, &nread);
    
        printf("mach_vm_read_overwrite() %i bytes from memory (0x%x)\n", nread, B.Orig_Inst);
        mach_vm_write(targetTask, B.address, (vm_offset_t) 0xCC, 1);
        
        
        char byte;
        mach_vm_read_overwrite(targetTask, B.address, 1, (mach_vm_address_t) &byte, &nread);
        if (byte == 0xCC)
            printf("success\n");
        else
            printf("0x%x - 0x%x\n", byte, 0xCC);
        
        return B.ID;
    }