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 07:33:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Dynamic initialization: padding may be left uninitialized.

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

返回类型：int

参数：

类型参数名称
unsigned longsp
boolfill
struct test_packed *arg
268  struct test_packed var = {two = two, }
268  Location and size tracking to validate fill and test are colocated. 等于var
268  target_size等于var的长度
268  __builtin_memset(buf, (char)(sp & 0xff), buf的长度)
268  如果fill则
268  Location and size tracking to validate fill and test are colocated. 等于var
268  fill_size等于var的长度
268  __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)
268  Dynamic initialization: padding may be left uninitialized.
268  gcc 内建函数 需要声明
268  返回:buf[0]按位或buf[buf的长度 - 1]
调用者
名称描述
test_packed_dynamic_partialDynamic initialization: padding may be left uninitialized.