summaryrefslogtreecommitdiff
path: root/tools/include/uapi/linux/bpf.h
diff options
context:
space:
mode:
Diffstat (limited to 'tools/include/uapi/linux/bpf.h')
-rw-r--r--tools/include/uapi/linux/bpf.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 793103b10eab..3df78c56c1bf 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -5079,12 +5079,12 @@ union bpf_attr {
*
* long bpf_get_func_arg(void *ctx, u32 n, u64 *value)
* Description
- * Get **n**-th argument (zero based) of the traced function (for tracing programs)
+ * Get **n**-th argument register (zero based) of the traced function (for tracing programs)
* returned in **value**.
*
* Return
* 0 on success.
- * **-EINVAL** if n >= arguments count of traced function.
+ * **-EINVAL** if n >= argument register count of traced function.
*
* long bpf_get_func_ret(void *ctx, u64 *value)
* Description
@@ -5097,10 +5097,11 @@ union bpf_attr {
*
* long bpf_get_func_arg_cnt(void *ctx)
* Description
- * Get number of arguments of the traced function (for tracing programs).
+ * Get number of registers of the traced function (for tracing programs) where
+ * function arguments are stored in these registers.
*
* Return
- * The number of arguments of the traced function.
+ * The number of argument registers of the traced function.
*
* int bpf_get_retval(void)
* Description