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[smart] Updated the API for kernel access to user address issues and for calculating string length (#8058)

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zmq810150896
2023-09-23 14:06:00 +08:00
committed by GitHub
parent b826afe8f9
commit dc84765823
4 changed files with 1013 additions and 234 deletions
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3
components/lwp/lwp_user_mm.h
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@@ -145,6 +145,9 @@ void lwp_unmap_user_space(struct rt_lwp *lwp);
int lwp_unmap_user(struct rt_lwp *lwp, void *va);
void *lwp_map_user(struct rt_lwp *lwp, void *map_va, size_t map_size, rt_bool_t text);
size_t lwp_user_strlen(const char *s);
size_t lwp_user_strlen_ext(struct rt_lwp *lwp, const char *s);
rt_varea_t lwp_map_user_varea(struct rt_lwp *lwp, void *map_va, size_t map_size);
/* check LWP_MAP_FLAG_* */