Operation System Concepts 원서보면서 공부하는데 커널모듈 만들기에서 막혀서 질문 올립니다.
글쓴이: Samuro / 작성시간: 토, 2014/06/14 - 11:13오전
환경은 vmware player로 돌리는 페도라20이고 커널버젼은 3.14입니다.
처음에는 gcc로 컴파일하니 linux/init.h가 없다고 하여 gcc -I usr/src/...... simple.c 디렉터리 지정을 해줬는데
그다음엔 asm/linkage가 없다고 해서 커널 include디렉토리 안에다가 arch/x86/include에 있는 asm디렉토리 링크를 만들어서 복사하여 해결 하였습니다.
그뒤로도 헤더파일을 못찾는 no such file or directory 에러는 전부 같은식으로 해결 하였습니다.
그리고 컴파일을 하니 엄청나게 에러가 나서, 또 알아보니 c++로 짠 코드때문에 그렇다고 하여 g++ -I /usr/src/..... simple.c로 컴파일하였습니다.
에러코드가 많이 줄긴 했는데 여전히 에러가 나네요. 도대체 어찌해야 하는지... 리눅스를 기존에 다뤄본 경험이 거의 없이 바로 운영체제공부를 하니 힘든점이 많네요.
아래는 코드입니다.
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
int simple_init(void)
{
printk(KERN_INFO "Loading module\n");
return 0;
}
void simple_exit(void)
{
printk(KERN_INFO "Removing module\n");
}
module_init(simple_init);
module_exit(simple_exit);요거는 에러메시지입니다. 도저히 다 볼 엄두가 안나서 맨밑에 stddef.h만 열어서 봤는데 문법적으로 뭐가 문젠지 모르겠습니다.
[root@localhost ~]# g++ -I /usr/src/kernels/3.14.6-200.fc20.i686/include simple.c
In file included from /usr/src/kernels/3.14.6-200.fc20.i686/include/asm/cpumask.h:4:0,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/asm/msr.h:10,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/asm/processor.h:20,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/asm/thread_info.h:22,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/thread_info.h:54,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/asm/preempt.h:6,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/preempt.h:20,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/spinlock.h:50,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/seqlock.h:35,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/time.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/stat.h:18,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/module.h:10,
from simple.c:3:
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/cpumask.h:149:37: error: "and" may not appear in macro parameter list
#define for_each_cpu_and(cpu, mask, and) \
^
In file included from /usr/src/kernels/3.14.6-200.fc20.i686/include/asm/thread_info.h:22:0,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/thread_info.h:54,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/asm/preempt.h:6,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/preempt.h:20,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/spinlock.h:50,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/seqlock.h:35,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/time.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/stat.h:18,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/module.h:10,
from simple.c:3:
/usr/src/kernels/3.14.6-200.fc20.i686/include/asm/processor.h:164:0: warning: "cache_line_size" redefined [enabled by default]
#define cache_line_size() (boot_cpu_data.x86_cache_alignment)
^
In file included from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/printk.h:8:0,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/kernel.h:13,
from simple.c:2:
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/cache.h:64:0: note: this is the location of the previous definition
#define cache_line_size() L1_CACHE_BYTES
^
In file included from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/srcu.h:33:0,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/notifier.h:15,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/memory_hotplug.h:6,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/mmzone.h:800,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/gfp.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/kmod.h:22,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/module.h:13,
from simple.c:3:
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/rcupdate.h:282:2: error: #error "Unknown RCU implementation specified to kernel configuration"
#error "Unknown RCU implementation specified to kernel configuration"
^
In file included from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/jiffies.h:8:0,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/ktime.h:25,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/timer.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/workqueue.h:8,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/srcu.h:34,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/notifier.h:15,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/memory_hotplug.h:6,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/mmzone.h:800,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/gfp.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/kmod.h:22,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/module.h:13,
from simple.c:3:
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/timex.h:59:0: warning: "ADJ_OFFSET_SINGLESHOT" redefined [enabled by default]
#define ADJ_OFFSET_SINGLESHOT 0x0001 /* old-fashioned adjtime */
^
In file included from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/timex.h:56:0,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/jiffies.h:8,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/ktime.h:25,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/timer.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/workqueue.h:8,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/srcu.h:34,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/notifier.h:15,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/memory_hotplug.h:6,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/mmzone.h:800,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/gfp.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/kmod.h:22,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/module.h:13,
from simple.c:3:
/usr/src/kernels/3.14.6-200.fc20.i686/include/uapi/linux/timex.h:111:0: note: this is the location of the previous definition
#define ADJ_OFFSET_SINGLESHOT 0x8001 /* old-fashioned adjtime */
^
In file included from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/ktime.h:25:0,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/timer.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/workqueue.h:8,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/srcu.h:34,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/notifier.h:15,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/memory_hotplug.h:6,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/mmzone.h:800,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/gfp.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/kmod.h:22,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/module.h:13,
from simple.c:3:
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/jiffies.h:39:3: error: #error Invalid value of HZ.
# error Invalid value of HZ.
^
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/jiffies.h:60:39: error: division by zero in #if
#define TICK_NSEC ((NSEC_PER_SEC+HZ/2)/HZ)
^
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/jiffies.h:256:31: note: in expansion of macro ‘TICK_NSEC’
#if !((((NSEC_PER_SEC << 2) / TICK_NSEC) << (SEC_JIFFIE_SC - 2)) & 0x80000000)
^
In file included from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/module.h:22:0,
from simple.c:3:
/usr/src/kernels/3.14.6-200.fc20.i686/include/asm/module.h:57:2: error: #error unknown processor family
#error unknown processor family
^
In file included from /usr/include/linux/posix_types.h:4:0,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/uapi/linux/types.h:13,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/types.h:5,
from /usr/src/kernels/3.14.6-200.fc20.i686/include/linux/init.h:5,
from simple.c:1:
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/stddef.h:11:2: error: expected identifier before ‘false’
false = 0,
^
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/stddef.h:11:2: error: expected ‘}’ before ‘false’
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/stddef.h:11:2: error: expected unqualified-id before ‘false’
/usr/src/kernels/3.14.6-200.fc20.i686/include/linux/stddef.h:13:1: error: expected declaration before ‘}’ token
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