Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\test_stackinit.c Create Date:2022-07-28 06:35:40
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:These should be fully initialized all the time!

Proto:static __attribute__((__noinline__)) __attribute__((__section__(".init.text"))) __attribute__((__cold__)) int leaf_u64_zero(unsigned long sp, bool fill, u64 *arg)

Type:int

Parameter:

TypeParameterName
unsigned longsp
boolfill
u64 *arg
262  var = 0
262  Location and size tracking to validate fill and test are colocated. = var
262  target_size = size of var
262  __builtin_memset(buf, (char)(sp & 0xff), size of buf )
262  If fill Then
262  Location and size tracking to validate fill and test are colocated. = var
262  fill_size = size of var
262  __builtin_memset(Location and size tracking to validate fill and test are colocated. , (char)((sp & 0xff) | Volatile mask to convince compiler to copy memory with 0xff. ), fill_size)
262  var = These should be fully initialized all the time!
262  gcc 内建函数 需要声明
262  Return buf[0] | buf[ size of buf - 1]
Caller
NameDescribe
test_u64_zeroThese should be fully initialized all the time!