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1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2022, Oracle and/or its affiliates. */3 4#include <test_progs.h>5#include "test_uprobe_autoattach.skel.h"6 7/* uprobe attach point */8static noinline int autoattach_trigger_func(int arg1, int arg2, int arg3,9 int arg4, int arg5, int arg6,10 int arg7, int arg8)11{12 asm volatile ("");13 return arg1 + arg2 + arg3 + arg4 + arg5 + arg6 + arg7 + arg8 + 1;14}15 16void test_uprobe_autoattach(void)17{18 const char *devnull_str = "/dev/null";19 struct test_uprobe_autoattach *skel;20 int trigger_ret;21 FILE *devnull;22 23 skel = test_uprobe_autoattach__open_and_load();24 if (!ASSERT_OK_PTR(skel, "skel_open"))25 return;26 27 if (!ASSERT_OK(test_uprobe_autoattach__attach(skel), "skel_attach"))28 goto cleanup;29 30 skel->bss->test_pid = getpid();31 32 /* trigger & validate uprobe & uretprobe */33 trigger_ret = autoattach_trigger_func(1, 2, 3, 4, 5, 6, 7, 8);34 35 skel->bss->test_pid = getpid();36 37 /* trigger & validate shared library u[ret]probes attached by name */38 devnull = fopen(devnull_str, "r");39 40 ASSERT_EQ(skel->bss->uprobe_byname_parm1, 1, "check_uprobe_byname_parm1");41 ASSERT_EQ(skel->bss->uprobe_byname_ran, 1, "check_uprobe_byname_ran");42 ASSERT_EQ(skel->bss->uretprobe_byname_rc, trigger_ret, "check_uretprobe_byname_rc");43 ASSERT_EQ(skel->bss->uretprobe_byname_ret, trigger_ret, "check_uretprobe_byname_ret");44 ASSERT_EQ(skel->bss->uretprobe_byname_ran, 2, "check_uretprobe_byname_ran");45 ASSERT_EQ(skel->bss->uprobe_byname2_parm1, (__u64)(long)devnull_str,46 "check_uprobe_byname2_parm1");47 ASSERT_EQ(skel->bss->uprobe_byname2_ran, 3, "check_uprobe_byname2_ran");48 ASSERT_EQ(skel->bss->uretprobe_byname2_rc, (__u64)(long)devnull,49 "check_uretprobe_byname2_rc");50 ASSERT_EQ(skel->bss->uretprobe_byname2_ran, 4, "check_uretprobe_byname2_ran");51 52 ASSERT_EQ(skel->bss->a[0], 1, "arg1");53 ASSERT_EQ(skel->bss->a[1], 2, "arg2");54 ASSERT_EQ(skel->bss->a[2], 3, "arg3");55#if FUNC_REG_ARG_CNT > 356 ASSERT_EQ(skel->bss->a[3], 4, "arg4");57#endif58#if FUNC_REG_ARG_CNT > 459 ASSERT_EQ(skel->bss->a[4], 5, "arg5");60#endif61#if FUNC_REG_ARG_CNT > 562 ASSERT_EQ(skel->bss->a[5], 6, "arg6");63#endif64#if FUNC_REG_ARG_CNT > 665 ASSERT_EQ(skel->bss->a[6], 7, "arg7");66#endif67#if FUNC_REG_ARG_CNT > 768 ASSERT_EQ(skel->bss->a[7], 8, "arg8");69#endif70 71 fclose(devnull);72cleanup:73 test_uprobe_autoattach__destroy(skel);74}75