diff options
Diffstat (limited to 'tools/perf/util/include/linux/bitops.h')
| -rw-r--r-- | tools/perf/util/include/linux/bitops.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h new file mode 100644 index 00000000000..ace57c36d1d --- /dev/null +++ b/tools/perf/util/include/linux/bitops.h @@ -0,0 +1,27 @@ +#ifndef _PERF_LINUX_BITOPS_H_ +#define _PERF_LINUX_BITOPS_H_ + +#define __KERNEL__ + +#define CONFIG_GENERIC_FIND_NEXT_BIT +#define CONFIG_GENERIC_FIND_FIRST_BIT +#include "../../../../include/linux/bitops.h" + +static inline void set_bit(int nr, unsigned long *addr) +{ + addr[nr / BITS_PER_LONG] |= 1UL << (nr % BITS_PER_LONG); +} + +static __always_inline int test_bit(unsigned int nr, const unsigned long *addr) +{ + return ((1UL << (nr % BITS_PER_LONG)) & + (((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0; +} + +unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned + long size, unsigned long offset); + +unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned + long size, unsigned long offset); + +#endif |