3ac4dbe3dd
Split-off PT_REGS-related helpers into bpf_tracing.h header. Adjust selftests and samples to include it where necessary. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Song Liu <songliubraving@fb.com> Link: https://lore.kernel.org/bpf/20191008175942.1769476-5-andriin@fb.com
24 lines
483 B
C
24 lines
483 B
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2019 Facebook
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#include <linux/sched.h>
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#include <linux/ptrace.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <linux/bpf.h>
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#include "bpf_helpers.h"
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#include "bpf_tracing.h"
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char _license[] SEC("license") = "GPL";
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SEC("raw_tracepoint/consume_skb")
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int while_true(volatile struct pt_regs* ctx)
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{
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__u64 i = 0, sum = 0;
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do {
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i++;
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sum += PT_REGS_RC(ctx);
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} while (i < 0x100000000ULL);
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return sum;
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}
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