# 1 "p.c"
# 1 "/home/andrea/kernel/devel/2.2.18pre9aa1/include/linux/spinlock.h" 1


# 1 "/usr/include/asm/spinlock.h" 1 3



# 134 "/usr/include/asm/spinlock.h" 3


 



typedef struct {
	volatile unsigned int lock;
} spinlock_t;




 








typedef struct { unsigned long a[100]; } __dummy_lock_t;



# 169 "/usr/include/asm/spinlock.h" 3




























 









typedef struct {
	volatile unsigned int lock;
	unsigned long previous;
} rwlock_t;



 






# 231 "/usr/include/asm/spinlock.h" 3






# 249 "/usr/include/asm/spinlock.h" 3




















# 3 "/home/andrea/kernel/devel/2.2.18pre9aa1/include/linux/spinlock.h" 2


# 1 "p.c" 2


int * p;
spinlock_t lock = (spinlock_t) { 0 } ;

void dummy(int x , int y) {}

main() {
        int a, b; 
        __asm__ __volatile__( "\n1:\t" "lock ; btsl $0,%0\n\t" "jc 2f\n" ".section .text.lock,\"ax\"\n" "2:\t" "testb $1,%0\n\t" "jne 2b\n\t" "jmp 1b\n" ".previous"  :"=m" ((*(__dummy_lock_t *)(  &lock  )) )) ;
        a = *p;
        __asm__ __volatile__( "lock ; btrl $0,%0"  :"=m" ((*(__dummy_lock_t *)(  &lock  )) )) ;

        __asm__ __volatile__( "\n1:\t" "lock ; btsl $0,%0\n\t" "jc 2f\n" ".section .text.lock,\"ax\"\n" "2:\t" "testb $1,%0\n\t" "jne 2b\n\t" "jmp 1b\n" ".previous"  :"=m" ((*(__dummy_lock_t *)(  &lock  )) )) ;  
        b = *p;
        __asm__ __volatile__( "lock ; btrl $0,%0"  :"=m" ((*(__dummy_lock_t *)(  &lock  )) )) ;

        dummy(a,b);
}