Release 4.14 tools/perf/util/bpf-prologue.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2015, He Kuang <hekuang@huawei.com>
* Copyright (C) 2015, Huawei Inc.
*/
#ifndef __BPF_PROLOGUE_H
#define __BPF_PROLOGUE_H
#include <linux/compiler.h>
#include <linux/filter.h>
#include "probe-event.h"
#define BPF_PROLOGUE_MAX_ARGS 3
#define BPF_PROLOGUE_START_ARG_REG BPF_REG_3
#define BPF_PROLOGUE_FETCH_RESULT_REG BPF_REG_2
#ifdef HAVE_BPF_PROLOGUE
int bpf__gen_prologue(struct probe_trace_arg *args, int nargs,
struct bpf_insn *new_prog, size_t *new_cnt,
size_t cnt_space);
#else
#include <errno.h>
static inline int
bpf__gen_prologue(struct probe_trace_arg *args __maybe_unused,
int nargs __maybe_unused,
struct bpf_insn *new_prog __maybe_unused,
size_t *new_cnt,
size_t cnt_space __maybe_unused)
{
if (!new_cnt)
return -EINVAL;
*new_cnt = 0;
return -ENOTSUP;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| He Kuang | 49 | 100.00% | 1 | 100.00% |
| Total | 49 | 100.00% | 1 | 100.00% |
#endif
#endif /* __BPF_PROLOGUE_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| He Kuang | 111 | 96.52% | 1 | 33.33% |
| Arnaldo Carvalho de Melo | 3 | 2.61% | 1 | 33.33% |
| Greg Kroah-Hartman | 1 | 0.87% | 1 | 33.33% |
| Total | 115 | 100.00% | 3 | 100.00% |
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