Helper function bpf_get_func_arg_cnt
Definition
Copyright (c) 2015 The Libbpf Authors. All rights reserved.
Get number of registers of the traced function (for tracing programs) where function arguments are stored in these registers.
Returns
The number of argument registers of the traced function.
static long (* const bpf_get_func_arg_cnt)(void *ctx) = (void *) 185;
Usage
Docs could be improved
This part of the docs is incomplete, contributions are very welcome
Program types
This helper call can be used in the following program types:
- BPF_PROG_TYPE_CGROUP_DEVICE
- BPF_PROG_TYPE_CGROUP_SOCK
- BPF_PROG_TYPE_CGROUP_SOCKOPT
- BPF_PROG_TYPE_CGROUP_SOCK_ADDR
- BPF_PROG_TYPE_CGROUP_SYSCTL
- BPF_PROG_TYPE_KPROBE
- BPF_PROG_TYPE_LSM
- BPF_PROG_TYPE_PERF_EVENT
- BPF_PROG_TYPE_RAW_TRACEPOINT
- BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE
- BPF_PROG_TYPE_SK_MSG
- BPF_PROG_TYPE_SYSCALL
- BPF_PROG_TYPE_TRACEPOINT
- BPF_PROG_TYPE_TRACING
Example
Docs could be improved
This part of the docs is incomplete, contributions are very welcome