79 lines
1.9 KiB
C
79 lines
1.9 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
|
||
|
|
|
||
|
|
#include <test_progs.h>
|
||
|
|
#include "test_subskeleton.skel.h"
|
||
|
|
#include "test_subskeleton_lib.subskel.h"
|
||
|
|
|
||
|
|
static void subskeleton_lib_setup(struct bpf_object *obj)
|
||
|
|
{
|
||
|
|
struct test_subskeleton_lib *lib = test_subskeleton_lib__open(obj);
|
||
|
|
|
||
|
|
if (!ASSERT_OK_PTR(lib, "open subskeleton"))
|
||
|
|
return;
|
||
|
|
|
||
|
|
*lib->rodata.var1 = 1;
|
||
|
|
*lib->data.var2 = 2;
|
||
|
|
lib->bss.var3->var3_1 = 3;
|
||
|
|
lib->bss.var3->var3_2 = 4;
|
||
|
|
|
||
|
|
test_subskeleton_lib__destroy(lib);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int subskeleton_lib_subresult(struct bpf_object *obj)
|
||
|
|
{
|
||
|
|
struct test_subskeleton_lib *lib = test_subskeleton_lib__open(obj);
|
||
|
|
int result;
|
||
|
|
|
||
|
|
if (!ASSERT_OK_PTR(lib, "open subskeleton"))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
result = *lib->bss.libout1;
|
||
|
|
ASSERT_EQ(result, 1 + 2 + 3 + 4 + 5 + 6, "lib subresult");
|
||
|
|
|
||
|
|
ASSERT_OK_PTR(lib->progs.lib_perf_handler, "lib_perf_handler");
|
||
|
|
ASSERT_STREQ(bpf_program__name(lib->progs.lib_perf_handler),
|
||
|
|
"lib_perf_handler", "program name");
|
||
|
|
|
||
|
|
ASSERT_OK_PTR(lib->maps.map1, "map1");
|
||
|
|
ASSERT_STREQ(bpf_map__name(lib->maps.map1), "map1", "map name");
|
||
|
|
|
||
|
|
ASSERT_EQ(*lib->data.var5, 5, "__weak var5");
|
||
|
|
ASSERT_EQ(*lib->data.var6, 6, "extern var6");
|
||
|
|
ASSERT_TRUE(*lib->kconfig.CONFIG_BPF_SYSCALL, "CONFIG_BPF_SYSCALL");
|
||
|
|
|
||
|
|
test_subskeleton_lib__destroy(lib);
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
void test_subskeleton(void)
|
||
|
|
{
|
||
|
|
int err, result;
|
||
|
|
struct test_subskeleton *skel;
|
||
|
|
|
||
|
|
skel = test_subskeleton__open();
|
||
|
|
if (!ASSERT_OK_PTR(skel, "skel_open"))
|
||
|
|
return;
|
||
|
|
|
||
|
|
skel->rodata->rovar1 = 10;
|
||
|
|
skel->rodata->var1 = 1;
|
||
|
|
subskeleton_lib_setup(skel->obj);
|
||
|
|
|
||
|
|
err = test_subskeleton__load(skel);
|
||
|
|
if (!ASSERT_OK(err, "skel_load"))
|
||
|
|
goto cleanup;
|
||
|
|
|
||
|
|
err = test_subskeleton__attach(skel);
|
||
|
|
if (!ASSERT_OK(err, "skel_attach"))
|
||
|
|
goto cleanup;
|
||
|
|
|
||
|
|
/* trigger tracepoint */
|
||
|
|
usleep(1);
|
||
|
|
|
||
|
|
result = subskeleton_lib_subresult(skel->obj) * 10;
|
||
|
|
ASSERT_EQ(skel->bss->out1, result, "unexpected calculation");
|
||
|
|
|
||
|
|
cleanup:
|
||
|
|
test_subskeleton__destroy(skel);
|
||
|
|
}
|