函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\tnum.c Create Date:2022-07-27 14:24:14
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：tnum_range

函数原型：struct tnum tnum_range(u64 min, u64 max)

返回类型：struct tnum

参数：

类型参数名称
u64min
u64max
23  chi等于min按位异或max
24  bits等于ls64 - find last set bit in a 64-bit word*@x: the word to search* This is defined in a similar way as the libc and compiler builtin* ffsll, but returns the position of the most significant set bit
27  如果bits大于63则返回:A completely unknown value
33  delta等于1ULL左移bits位的值减1
34  返回
调用者
名称描述
__reg_bound_offset32
record_func_key
check_return_code
__reg_bound_offsetAttempts to improve var_off based on unsigned min/max information