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bad1926dd2
The BPF feature test as well as libbpf is missing the __NR_bpf
define for s390 and currently refuses to compile (selftest suite
depends on libbpf as well). Similar issue was fixed some time
ago via b0c47807d3 ("bpf: Add sparc support to tools and
samples."), just do the same and add definitions.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
41 lines
863 B
C
41 lines
863 B
C
#include <asm/unistd.h>
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#include <linux/bpf.h>
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#include <unistd.h>
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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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int main(void)
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{
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union bpf_attr attr;
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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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* 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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