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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022, Oracle and/or its affiliates. */
#include <test_progs.h>
#include "test_uprobe_autoattach.skel.h"
/* uprobe attach point */
static noinline int autoattach_trigger_func(int arg)
{
asm volatile ("");
return arg + 1;
}
void test_uprobe_autoattach(void)
{
struct test_uprobe_autoattach *skel;
int trigger_val = 100, trigger_ret;
size_t malloc_sz = 1;
char *mem;
skel = test_uprobe_autoattach__open_and_load();
if (!ASSERT_OK_PTR(skel, "skel_open"))
return;
if (!ASSERT_OK(test_uprobe_autoattach__attach(skel), "skel_attach"))
goto cleanup;
skel->bss->test_pid = getpid();
/* trigger & validate uprobe & uretprobe */
trigger_ret = autoattach_trigger_func(trigger_val);
skel->bss->test_pid = getpid();
/* trigger & validate shared library u[ret]probes attached by name */
mem = malloc(malloc_sz);
ASSERT_EQ(skel->bss->uprobe_byname_parm1, trigger_val, "check_uprobe_byname_parm1");
ASSERT_EQ(skel->bss->uprobe_byname_ran, 1, "check_uprobe_byname_ran");
ASSERT_EQ(skel->bss->uretprobe_byname_rc, trigger_ret, "check_uretprobe_byname_rc");
ASSERT_EQ(skel->bss->uretprobe_byname_ran, 2, "check_uretprobe_byname_ran");
ASSERT_EQ(skel->bss->uprobe_byname2_parm1, malloc_sz, "check_uprobe_byname2_parm1");
ASSERT_EQ(skel->bss->uprobe_byname2_ran, 3, "check_uprobe_byname2_ran");
ASSERT_EQ(skel->bss->uretprobe_byname2_rc, mem, "check_uretprobe_byname2_rc");
ASSERT_EQ(skel->bss->uretprobe_byname2_ran, 4, "check_uretprobe_byname2_ran");
free(mem);
cleanup:
test_uprobe_autoattach__destroy(skel);
}
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