checks.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- /*
- * BK Id: SCCS/s.checks.c 1.6 05/17/01 18:14:21 cort
- */
- #include <linux/errno.h>
- #include <linux/sched.h>
- #include <linux/kernel.h>
- #include <linux/mm.h>
- #include <linux/smp.h>
- #include <linux/smp_lock.h>
- #include <linux/stddef.h>
- #include <linux/unistd.h>
- #include <linux/ptrace.h>
- #include <linux/slab.h>
- #include <linux/user.h>
- #include <linux/a.out.h>
- #include <asm/pgtable.h>
- #include <asm/uaccess.h>
- #include <asm/system.h>
- #include <asm/io.h>
- /*
- * Do various before compile checks of data structures
- * -- Cort
- */
- int main(void)
- {
- int ret = 0;
- #if 0
- if ( sizeof(struct thread_struct) % 16 )
- {
- printf("Thread struct is not modulo 16 bytes: "
- "%d bytes total, %d bytes offn",
- sizeof(struct thread_struct),
- sizeof(struct thread_struct)%16);
- ret = -1;
- }
- #endif
- if ( sizeof(struct pt_regs) % 16 )
- {
- printf("pt_regs struct is not modulo 16 bytes: "
- "%d bytes total, %d bytes offn",
- sizeof(struct pt_regs),
- sizeof(struct pt_regs)%16);
- ret = -1;
-
- }
- printf("Task size : %d bytesn"
- "Tss size : %d bytesn"
- "pt_regs size : %d bytesn"
- "Kernel stack size: %d bytesn",
- sizeof(struct task_struct), sizeof(struct thread_struct),
- sizeof(struct pt_regs),
- sizeof(union task_union) - sizeof(struct task_struct));
- return ret;
- }