43 lines
		
	
	
		
			899 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			899 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| #include <asm/unistd.h>
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| #include <linux/bpf.h>
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| #include <unistd.h>
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| 
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| #ifndef __NR_bpf
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| # if defined(__i386__)
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| #  define __NR_bpf 357
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| # elif defined(__x86_64__)
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| #  define __NR_bpf 321
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| # elif defined(__aarch64__)
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| #  define __NR_bpf 280
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| # elif defined(__sparc__)
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| #  define __NR_bpf 349
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| # elif defined(__s390__)
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| #  define __NR_bpf 351
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| # else
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| #  error __NR_bpf not defined. libbpf does not support your arch.
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| # endif
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| #endif
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| 
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| int main(void)
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| {
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| 	union bpf_attr attr;
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| 
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| 	/* Check fields in attr */
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| 	attr.prog_type = BPF_PROG_TYPE_KPROBE;
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| 	attr.insn_cnt = 0;
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| 	attr.insns = 0;
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| 	attr.license = 0;
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| 	attr.log_buf = 0;
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| 	attr.log_size = 0;
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| 	attr.log_level = 0;
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| 	attr.kern_version = 0;
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| 	attr.prog_flags = 0;
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| 
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| 	/*
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| 	 * Test existence of __NR_bpf and BPF_PROG_LOAD.
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| 	 * This call should fail if we run the testcase.
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| 	 */
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| 	return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
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| }
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