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Macros
#define	CLIB_UNIX

#define	BITS(x) (8*sizeof(x))

#define	ARRAY_LEN(x) (sizeof (x)/sizeof (x[0]))

#define	STRUCT_OFFSET_OF(t, f) ((uword) & _STRUCT_FIELD (t, f))

#define	STRUCT_BIT_OFFSET_OF(t, f) (BITS(u8) * (uword) & _STRUCT_FIELD (t, f))

#define	STRUCT_SIZE_OF(t, f) (sizeof (_STRUCT_FIELD (t, f)))

#define	STRUCT_BITS_OF(t, f) (BITS (_STRUCT_FIELD (t, f)))

#define	STRUCT_ARRAY_LEN(t, f) ARRAY_LEN (_STRUCT_FIELD (t, f))

#define	STRUCT_MARK(mark) u8 mark[0]

#define	STRUCT_MARK_PTR(v, f) &(v)->f

#define	STRUCT_STRIDE_OF(t, f)

#define	STRUCT_OFFSET_OF_VAR(v, f) ((uword) (&(v)->f) - (uword) (v))

#define	CLIB_PACKED(x) x __attribute__ ((packed))

#define	CLIB_UNUSED(x) x __attribute__ ((unused))

#define	CLIB_ALIGN_MARK(name, alignment) u8 name[0] __attribute__((aligned(alignment)))

#define	CLIB_STRING_MACRO(x) #x

#define	never_inline __attribute__ ((__noinline__))

#define	always_inline static inline

#define	static_always_inline static inline

#define	u8 pad_from[(to) - (from)] u8 pad_##from[(to) - (from)]
	Padding. More...

#define	PREDICT_FALSE(x) __builtin_expect((x),0)

#define	PREDICT_TRUE(x) __builtin_expect((x),1)

#define	CLIB_COMPILER_BARRIER() asm volatile ("":::"memory")

#define	CLIB_MEMORY_BARRIER() __sync_synchronize ()

#define	CLIB_MEMORY_STORE_BARRIER() __builtin_ia32_sfence ()

#define	INIT_FUNCTION(decl)

#define	EXIT_FUNCTION(decl)

#define	count_leading_zeros(x) __builtin_clzl (x)

#define	count_trailing_zeros(x) __builtin_ctzl (x)

#define	clib_max(x, y)

#define	clib_min(x, y)

#define	clib_abs(x)

Functions
static uword	min_log2 (uword x)

static uword	max_log2 (uword x)

static u64	min_log2_u64 (u64 x)

static uword	pow2_mask (uword x)

static uword	max_pow2 (uword x)

static uword	is_pow2 (uword x)

static uword	round_pow2 (uword x, uword pow2)

static u64	round_pow2_u64 (u64 x, u64 pow2)

static uword	first_set (uword x)

static uword	log2_first_set (uword x)

static f64	flt_round_down (f64 x)

static word	flt_round_nearest (f64 x)

static f64	flt_round_to_multiple (f64 x, f64 f)

static uword	extract_bits (uword x, int start, int count)

uword	clib_backtrace (uword *callers, uword max_callers, uword n_frames_to_skip)

Macro Definition Documentation

◆ always_inline

#define always_inline static inline

Definition at line 105 of file clib.h.

◆ ARRAY_LEN

#define ARRAY_LEN ( x ) (sizeof (x)/sizeof (x[0]))

Definition at line 66 of file clib.h.

◆ BITS

#define BITS ( x ) (8*sizeof(x))

Definition at line 65 of file clib.h.

◆ clib_abs

#define clib_abs ( x )

Value:

({                                              \
  __typeof__ (x) _x = (x);                      \
  _x < 0 ? -_x : _x;                            \
})

Definition at line 326 of file clib.h.

◆ CLIB_ALIGN_MARK

#define CLIB_ALIGN_MARK	(	name,
		alignment
	)	u8 name[0] __attribute__((aligned(alignment)))

Definition at line 89 of file clib.h.

◆ CLIB_COMPILER_BARRIER

#define CLIB_COMPILER_BARRIER ( ) asm volatile ("":::"memory")

Definition at line 127 of file clib.h.

◆ clib_max

#define clib_max	(	x,
		y
	)

Value:

({                                              \
  __typeof__ (x) _x = (x);                      \
  __typeof__ (y) _y = (y);                      \
  _x > _y ? _x : _y;                            \
})

Definition at line 312 of file clib.h.

◆ CLIB_MEMORY_BARRIER

#define CLIB_MEMORY_BARRIER ( ) __sync_synchronize ()

Definition at line 130 of file clib.h.

◆ CLIB_MEMORY_STORE_BARRIER

#define CLIB_MEMORY_STORE_BARRIER ( ) __builtin_ia32_sfence ()

Definition at line 133 of file clib.h.

◆ clib_min

#define clib_min	(	x,
		y
	)

Value:

({                                              \
  __typeof__ (x) _x = (x);                      \
  __typeof__ (y) _y = (y);                      \
  _x < _y ? _x : _y;                            \
})

Definition at line 319 of file clib.h.

◆ CLIB_PACKED

#define CLIB_PACKED ( x ) x __attribute__ ((packed))

Definition at line 85 of file clib.h.

◆ CLIB_STRING_MACRO

#define CLIB_STRING_MACRO ( x ) #x

Definition at line 92 of file clib.h.

◆ CLIB_UNIX

#define CLIB_UNIX

Definition at line 49 of file clib.h.

◆ CLIB_UNUSED

#define CLIB_UNUSED ( x ) x __attribute__ ((unused))

Definition at line 86 of file clib.h.

◆ count_leading_zeros

#define count_leading_zeros ( x ) __builtin_clzl (x)

Definition at line 153 of file clib.h.

◆ count_trailing_zeros

#define count_trailing_zeros ( x ) __builtin_ctzl (x)

Definition at line 154 of file clib.h.

◆ EXIT_FUNCTION

#define EXIT_FUNCTION ( decl )

Value:

decl __attribute ((destructor)); \

decl

Definition at line 144 of file clib.h.

◆ INIT_FUNCTION

#define INIT_FUNCTION ( decl )

Value:

decl __attribute ((constructor)); \

decl

Definition at line 139 of file clib.h.

◆ never_inline

#define never_inline __attribute__ ((__noinline__))

Definition at line 102 of file clib.h.

◆ PREDICT_FALSE

#define PREDICT_FALSE ( x ) __builtin_expect((x),0)

Definition at line 118 of file clib.h.

◆ PREDICT_TRUE

#define PREDICT_TRUE ( x ) __builtin_expect((x),1)

Definition at line 119 of file clib.h.

◆ static_always_inline

#define static_always_inline static inline

Definition at line 106 of file clib.h.

◆ STRUCT_ARRAY_LEN

#define STRUCT_ARRAY_LEN	(	t,
		f
	)	ARRAY_LEN (_STRUCT_FIELD (t, f))

Definition at line 73 of file clib.h.

◆ STRUCT_BIT_OFFSET_OF

#define STRUCT_BIT_OFFSET_OF	(	t,
		f
	)	(BITS(u8) * (uword) & _STRUCT_FIELD (t, f))

Definition at line 70 of file clib.h.

◆ STRUCT_BITS_OF

#define STRUCT_BITS_OF	(	t,
		f
	)	(BITS (_STRUCT_FIELD (t, f)))

Definition at line 72 of file clib.h.

◆ STRUCT_MARK

#define STRUCT_MARK ( mark ) u8 mark[0]

Definition at line 74 of file clib.h.

◆ STRUCT_MARK_PTR

#define STRUCT_MARK_PTR	(	v,
		f
	)	&(v)->f

Definition at line 75 of file clib.h.

◆ STRUCT_OFFSET_OF

#define STRUCT_OFFSET_OF	(	t,
		f
	)	((uword) & _STRUCT_FIELD (t, f))

Definition at line 69 of file clib.h.

◆ STRUCT_OFFSET_OF_VAR

#define STRUCT_OFFSET_OF_VAR	(	v,
		f
	)	((uword) (&(v)->f) - (uword) (v))

Definition at line 82 of file clib.h.

◆ STRUCT_SIZE_OF

#define STRUCT_SIZE_OF	(	t,
		f
	)	(sizeof (_STRUCT_FIELD (t, f)))

Definition at line 71 of file clib.h.

◆ STRUCT_STRIDE_OF

#define STRUCT_STRIDE_OF	(	t,
		f
	)

Value:

( ((uword) & (((t *) 0)[1].f)) \

- ((uword) & (((t *) 0)[0].f)))

uword

u64 uword

Definition: types.h:112

Definition at line 78 of file clib.h.

◆ u8

#define u8 pad_from[(to) - (from)] u8 pad_##from[(to) - (from)]

Padding.

Definition at line 115 of file clib.h.

Function Documentation

◆ clib_backtrace()

uword clib_backtrace	(	uword *	callers,
		uword	max_callers,
		uword	n_frames_to_skip
	)

Definition at line 226 of file backtrace.c.

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◆ extract_bits()

static uword extract_bits	(	uword	x,
		int	start,
		int	count
	)

inlinestatic

Definition at line 304 of file clib.h.

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◆ first_set()

static uword first_set ( uword x )

inlinestatic

Definition at line 268 of file clib.h.

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◆ flt_round_down()

static f64 flt_round_down ( f64 x )

inlinestatic

Definition at line 286 of file clib.h.

◆ flt_round_nearest()

static word flt_round_nearest ( f64 x )

inlinestatic

Definition at line 292 of file clib.h.

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◆ flt_round_to_multiple()

static f64 flt_round_to_multiple	(	f64	x,
		f64	f
	)

inlinestatic

Definition at line 298 of file clib.h.

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◆ is_pow2()

static uword is_pow2 ( uword x )

inlinestatic

Definition at line 250 of file clib.h.

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◆ log2_first_set()

static uword log2_first_set ( uword x )

inlinestatic

Definition at line 274 of file clib.h.

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◆ max_log2()

static uword max_log2 ( uword x )

inlinestatic

Definition at line 206 of file clib.h.

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◆ max_pow2()

static uword max_pow2 ( uword x )

inlinestatic

Definition at line 241 of file clib.h.

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◆ min_log2()

static uword min_log2 ( uword x )

inlinestatic

Definition at line 159 of file clib.h.

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◆ min_log2_u64()

static u64 min_log2_u64 ( u64 x )

inlinestatic

Definition at line 215 of file clib.h.

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◆ pow2_mask()

static uword pow2_mask ( uword x )

inlinestatic

Definition at line 235 of file clib.h.

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◆ round_pow2()

static uword round_pow2	(	uword	x,
		uword	pow2
	)

inlinestatic

Definition at line 256 of file clib.h.

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◆ round_pow2_u64()

static u64 round_pow2_u64	(	u64	x,
		u64	pow2
	)

inlinestatic

Definition at line 262 of file clib.h.

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Macros

Functions

Macro Definition Documentation

◆ always_inline

◆ ARRAY_LEN

◆ BITS

◆ clib_abs

◆ CLIB_ALIGN_MARK

◆ CLIB_COMPILER_BARRIER

◆ clib_max

◆ CLIB_MEMORY_BARRIER

◆ CLIB_MEMORY_STORE_BARRIER

◆ clib_min

◆ CLIB_PACKED

◆ CLIB_STRING_MACRO

◆ CLIB_UNIX

◆ CLIB_UNUSED

◆ count_leading_zeros

◆ count_trailing_zeros

◆ EXIT_FUNCTION

◆ INIT_FUNCTION

◆ never_inline

◆ PREDICT_FALSE

◆ PREDICT_TRUE

◆ static_always_inline

◆ STRUCT_ARRAY_LEN

◆ STRUCT_BIT_OFFSET_OF

◆ STRUCT_BITS_OF

◆ STRUCT_MARK

◆ STRUCT_MARK_PTR

◆ STRUCT_OFFSET_OF

◆ STRUCT_OFFSET_OF_VAR

◆ STRUCT_SIZE_OF

◆ STRUCT_STRIDE_OF

◆ u8

Function Documentation

◆ clib_backtrace()

◆ extract_bits()

◆ first_set()

◆ flt_round_down()

◆ flt_round_nearest()

◆ flt_round_to_multiple()

◆ is_pow2()

◆ log2_first_set()

◆ max_log2()

◆ max_pow2()

◆ min_log2()

◆ min_log2_u64()

◆ pow2_mask()

◆ round_pow2()

◆ round_pow2_u64()