Contributors: 7
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Andrii Nakryiko |
411 |
71.11% |
4 |
40.00% |
Alexei Starovoitov |
68 |
11.76% |
1 |
10.00% |
Hou Tao |
42 |
7.27% |
1 |
10.00% |
Viktor Malik |
19 |
3.29% |
1 |
10.00% |
Qais Yousef |
18 |
3.11% |
1 |
10.00% |
Jiri Olsa |
14 |
2.42% |
1 |
10.00% |
Kumar Kartikeya Dwivedi |
6 |
1.04% |
1 |
10.00% |
Total |
578 |
|
10 |
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
#include "../bpf_testmod/bpf_testmod.h"
__u32 raw_tp_read_sz = 0;
SEC("raw_tp/bpf_testmod_test_read")
int BPF_PROG(handle_raw_tp,
struct task_struct *task, struct bpf_testmod_test_read_ctx *read_ctx)
{
raw_tp_read_sz = BPF_CORE_READ(read_ctx, len);
return 0;
}
__u32 raw_tp_bare_write_sz = 0;
SEC("raw_tp/bpf_testmod_test_write_bare")
int BPF_PROG(handle_raw_tp_bare,
struct task_struct *task, struct bpf_testmod_test_write_ctx *write_ctx)
{
raw_tp_bare_write_sz = BPF_CORE_READ(write_ctx, len);
return 0;
}
int raw_tp_writable_bare_in_val = 0;
int raw_tp_writable_bare_early_ret = 0;
int raw_tp_writable_bare_out_val = 0;
SEC("raw_tp.w/bpf_testmod_test_writable_bare")
int BPF_PROG(handle_raw_tp_writable_bare,
struct bpf_testmod_test_writable_ctx *writable)
{
raw_tp_writable_bare_in_val = writable->val;
writable->early_ret = raw_tp_writable_bare_early_ret;
writable->val = raw_tp_writable_bare_out_val;
return 0;
}
__u32 tp_btf_read_sz = 0;
SEC("tp_btf/bpf_testmod_test_read")
int BPF_PROG(handle_tp_btf,
struct task_struct *task, struct bpf_testmod_test_read_ctx *read_ctx)
{
tp_btf_read_sz = read_ctx->len;
return 0;
}
__u32 fentry_read_sz = 0;
SEC("fentry/bpf_testmod_test_read")
int BPF_PROG(handle_fentry,
struct file *file, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len)
{
fentry_read_sz = len;
return 0;
}
__u32 fentry_manual_read_sz = 0;
SEC("fentry")
int BPF_PROG(handle_fentry_manual,
struct file *file, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len)
{
fentry_manual_read_sz = len;
return 0;
}
__u32 fentry_explicit_read_sz = 0;
SEC("fentry/bpf_testmod:bpf_testmod_test_read")
int BPF_PROG(handle_fentry_explicit,
struct file *file, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len)
{
fentry_explicit_read_sz = len;
return 0;
}
__u32 fentry_explicit_manual_read_sz = 0;
SEC("fentry")
int BPF_PROG(handle_fentry_explicit_manual,
struct file *file, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len)
{
fentry_explicit_manual_read_sz = len;
return 0;
}
__u32 fexit_read_sz = 0;
int fexit_ret = 0;
SEC("fexit/bpf_testmod_test_read")
int BPF_PROG(handle_fexit,
struct file *file, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len,
int ret)
{
fexit_read_sz = len;
fexit_ret = ret;
return 0;
}
SEC("fexit/bpf_testmod_return_ptr")
int BPF_PROG(handle_fexit_ret, int arg, struct file *ret)
{
long buf = 0;
bpf_probe_read_kernel(&buf, 8, ret);
bpf_probe_read_kernel(&buf, 8, (char *)ret + 256);
*(volatile long long *)ret;
*(volatile int *)&ret->f_mode;
return 0;
}
__u32 fmod_ret_read_sz = 0;
SEC("fmod_ret/bpf_testmod_test_read")
int BPF_PROG(handle_fmod_ret,
struct file *file, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf, loff_t off, size_t len)
{
fmod_ret_read_sz = len;
return 0; /* don't override the exit code */
}
SEC("kprobe.multi/bpf_testmod_test_read")
int BPF_PROG(kprobe_multi)
{
return 0;
}
char _license[] SEC("license") = "GPL";