Cregit: Linux 7.1: test_global

Contributors: 4
Author	Tokens	Token Proportion	Commits	Commit Proportion
Alexei Starovoitov	145	73.23%	1	20.00%
Emil Tsalapatis	39	19.70%	1	20.00%
Andrii Nakryiko	13	6.57%	2	40.00%
Toke Höiland-Jörgensen	1	0.51%	1	20.00%
Total	198		5

// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2020 Facebook */
#include <stddef.h>
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"

static __attribute__ ((noinline))
int f1(struct __sk_buff *skb)
{
	return skb->len;
}

static __attribute__ ((noinline))
int f2(int val, struct __sk_buff *skb)
{
	return f1(skb) + val;
}

static __attribute__ ((noinline))
int f3(int val, struct __sk_buff *skb, int var)
{
	return f2(var, skb) + val;
}

static __attribute__ ((noinline))
int f4(struct __sk_buff *skb)
{
	return f3(1, skb, 2);
}

static __attribute__ ((noinline))
int f5(struct __sk_buff *skb)
{
	return f4(skb);
}

static __attribute__ ((noinline))
int f6(struct __sk_buff *skb)
{
	return f5(skb);
}

static __attribute__ ((noinline))
int f7(struct __sk_buff *skb)
{
	return f6(skb);
}

static __attribute__ ((noinline))
int f8(struct __sk_buff *skb)
{
	return f7(skb);
}

SEC("tc")
__failure __msg("the call stack of 9 frames")
int global_func3(struct __sk_buff *skb)
{
	return f8(skb);
}

test_global_func3.c