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sync: auto-generate latest BPF helpers

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Latest changes to BPF helper definitions.
This commit is contained in:
Andrii Nakryiko
2021-11-11 22:45:13 -08:00
committed by Andrii Nakryiko
parent 98181e0546
commit bc66d28b68
1 changed files with 23 additions and 0 deletions
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23
src/bpf_helper_defs.h
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@@ -4113,4 +4113,27 @@ static struct unix_sock *(*bpf_skc_to_unix_sock)(void *sk) = (void *) 178;
*/
static long (*bpf_kallsyms_lookup_name)(const char *name, int name_sz, int flags, __u64 *res) = (void *) 179;
/*
* bpf_find_vma
*
* Find vma of *task* that contains *addr*, call *callback_fn*
* function with *task*, *vma*, and *callback_ctx*.
* The *callback_fn* should be a static function and
* the *callback_ctx* should be a pointer to the stack.
* The *flags* is used to control certain aspects of the helper.
* Currently, the *flags* must be 0.
*
* The expected callback signature is
*
* long (\*callback_fn)(struct task_struct \*task, struct vm_area_struct \*vma, void \*callback_ctx);
*
*
* Returns
* 0 on success.
* **-ENOENT** if *task->mm* is NULL, or no vma contains *addr*.
* **-EBUSY** if failed to try lock mmap_lock.
* **-EINVAL** for invalid **flags**.
*/
static long (*bpf_find_vma)(struct task_struct *task, __u64 addr, void *callback_fn, void *callback_ctx, __u64 flags) = (void *) 180;