函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\test_stackinit.c Create Date:2022-07-27 07:33:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：These should be fully initialized all the time!

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

返回类型：int

参数：

类型参数名称
unsigned longsp
boolfill
u64 *arg
262  var等于0
262  Location and size tracking to validate fill and test are colocated. 等于var
262  target_size等于var的长度
262  __builtin_memset(buf, (char)(sp & 0xff), buf的长度)
262  如果fill则
262  Location and size tracking to validate fill and test are colocated. 等于var
262  fill_size等于var的长度
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等于These should be fully initialized all the time!
262  gcc 内建函数 需要声明
262  返回:buf[0]按位或buf[buf的长度 - 1]
调用者
名称描述
test_u64_zeroThese should be fully initialized all the time!