函数逻辑报告 | 
Source Code:kernel\bpf\helpers.c | 
Create Date:2022-07-27 14:22:26 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| 首页 | 函数Tree | 
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函数名称:If kernel subsystem is allowing eBPF programs to call this function,* inside its own verifier_ops->get_func_proto() callback it should return* bpf_map_lookup_elem_proto, so that verifier can properly check the arguments* Different map implementations will
函数原型:static inline __attribute__((__always_inline__)) u64 ____bpf_map_lookup_elem(struct bpf_map *map, void *key)
返回类型:u64
参数:
| 类型 | 参数 | 名称 | 
|---|---|---|
| struct bpf_map * | map | |
| void * | key | 
| 28 | WARN_ON_ONCE(!_read_lock_held() - might we be in RCU read-side critical section?* If CONFIG_DEBUG_LOCK_ALLOC is selected, returns nonzero iff in an RCU* read-side critical section) | 
| 29 | 返回:map_lookup_elem(map, key) | 
| 源代码转换工具 开放的插件接口  | X | 
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| 支持:c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现:逻辑报告 代码生成和批量转换代码  |