linux-zen-server/tools/testing/selftests/bpf/progs/test_static_linked2.c

32 lines
685 B
C

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
/* 4-byte aligned .data */
static volatile int static_var1 = 5;
static volatile int static_var2 = 6;
int var2 = -1;
/* 8-byte aligned .rodata */
const volatile long rovar2;
/* same "subprog" name in both files */
static __noinline int subprog(int x)
{
/* but different formula */
return x * 3;
}
SEC("raw_tp/sys_enter")
int handler2(const void *ctx)
{
var2 = subprog(rovar2) + static_var1 + static_var2;
return 0;
}
/* different name and/or type of the variable doesn't matter */
char _license[] SEC("license") = "GPL";
int _version SEC("version") = 1;