Signed-off-by: Lv Ying <lvying6@huawei.com> (cherry picked from commit 28ce6ef7419e94008ffa6fb8ed2c80f928af0372)
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From 4d32ba754a242fb31827923c4a6f051063b32fea Mon Sep 17 00:00:00 2001
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From: Hou Tao <houtao1@huawei.com>
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Date: Mon, 4 Oct 2021 17:48:56 +0800
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Subject: [PATCH] libbpf: Support detecting and attaching of writable
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tracepoint program
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Program on writable tracepoint is BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE,
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but its attachment is the same as BPF_PROG_TYPE_RAW_TRACEPOINT.
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Signed-off-by: Hou Tao <houtao1@huawei.com>
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Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
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Link: https://lore.kernel.org/bpf/20211004094857.30868-3-hotforest@gmail.com
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---
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src/libbpf.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/libbpf.c b/src/libbpf.c
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index d9ece93..02e9d33 100644
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--- a/src/libbpf.c
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+++ b/src/libbpf.c
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@@ -6894,6 +6894,10 @@ static const struct bpf_sec_def section_defs[] = {
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.attach_fn = attach_raw_tp),
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SEC_DEF("raw_tp/", RAW_TRACEPOINT,
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.attach_fn = attach_raw_tp),
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+ SEC_DEF("raw_tracepoint.w/", RAW_TRACEPOINT_WRITABLE,
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+ .attach_fn = attach_raw_tp),
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+ SEC_DEF("raw_tp.w/", RAW_TRACEPOINT_WRITABLE,
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+ .attach_fn = attach_raw_tp),
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SEC_DEF("tp_btf/", TRACING,
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.expected_attach_type = BPF_TRACE_RAW_TP,
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.is_attach_btf = true,
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--
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2.29.2
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