31 lines
		
	
	
		
			619 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			619 B
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0
 | 
						|
/* Copyright (c) 2021 Facebook */
 | 
						|
 | 
						|
#include <linux/bpf.h>
 | 
						|
#include <bpf/bpf_helpers.h>
 | 
						|
 | 
						|
/* 8-byte aligned .data */
 | 
						|
static volatile long static_var1 = 2;
 | 
						|
static volatile int static_var2 = 3;
 | 
						|
int var1 = -1;
 | 
						|
/* 4-byte aligned .rodata */
 | 
						|
const volatile int rovar1;
 | 
						|
 | 
						|
/* same "subprog" name in both files */
 | 
						|
static __noinline int subprog(int x)
 | 
						|
{
 | 
						|
	/* but different formula */
 | 
						|
	return x * 2;
 | 
						|
}
 | 
						|
 | 
						|
SEC("raw_tp/sys_enter")
 | 
						|
int handler1(const void *ctx)
 | 
						|
{
 | 
						|
	var1 = subprog(rovar1) + static_var1 + static_var2;
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
char LICENSE[] SEC("license") = "GPL";
 | 
						|
int VERSION SEC("version") = 1;
 |