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
39 lines
1.0 KiB
C
39 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 <test_progs.h>
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#include "test_uprobe_autoattach.skel.h"
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/* uprobe attach point */
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static void autoattach_trigger_func(void)
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{
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asm volatile ("");
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}
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void test_uprobe_autoattach(void)
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{
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struct test_uprobe_autoattach *skel;
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char *mem;
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skel = test_uprobe_autoattach__open_and_load();
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if (!ASSERT_OK_PTR(skel, "skel_open"))
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return;
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if (!ASSERT_OK(test_uprobe_autoattach__attach(skel), "skel_attach"))
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goto cleanup;
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/* trigger & validate uprobe & uretprobe */
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autoattach_trigger_func();
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/* trigger & validate shared library u[ret]probes attached by name */
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mem = malloc(1);
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free(mem);
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ASSERT_EQ(skel->bss->uprobe_byname_res, 1, "check_uprobe_byname_res");
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ASSERT_EQ(skel->bss->uretprobe_byname_res, 2, "check_uretprobe_byname_res");
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ASSERT_EQ(skel->bss->uprobe_byname2_res, 3, "check_uprobe_byname2_res");
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ASSERT_EQ(skel->bss->uretprobe_byname2_res, 4, "check_uretprobe_byname2_res");
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cleanup:
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test_uprobe_autoattach__destroy(skel);
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}
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