579c3196b2
tests that verify auto-attach works for function entry/return for local functions in program and library functions in a library. Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/1648654000-21758-6-git-send-email-alan.maguire@oracle.com
53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2022, Oracle and/or its affiliates. */
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#include <linux/ptrace.h>
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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int uprobe_byname_res = 0;
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int uretprobe_byname_res = 0;
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int uprobe_byname2_res = 0;
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int uretprobe_byname2_res = 0;
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/* This program cannot auto-attach, but that should not stop other
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* programs from attaching.
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*/
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SEC("uprobe")
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int handle_uprobe_noautoattach(struct pt_regs *ctx)
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{
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return 0;
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}
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SEC("uprobe//proc/self/exe:autoattach_trigger_func")
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int handle_uprobe_byname(struct pt_regs *ctx)
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{
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uprobe_byname_res = 1;
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return 0;
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}
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SEC("uretprobe//proc/self/exe:autoattach_trigger_func")
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int handle_uretprobe_byname(struct pt_regs *ctx)
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{
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uretprobe_byname_res = 2;
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return 0;
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}
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SEC("uprobe/libc.so.6:malloc")
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int handle_uprobe_byname2(struct pt_regs *ctx)
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{
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uprobe_byname2_res = 3;
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return 0;
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}
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SEC("uretprobe/libc.so.6:free")
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int handle_uretprobe_byname2(struct pt_regs *ctx)
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{
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uretprobe_byname2_res = 4;
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return 0;
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}
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char _license[] SEC("license") = "GPL";
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