1*14f1aae1SAndrii Nakryiko // SPDX-License-Identifier: GPL-2.0
2*14f1aae1SAndrii Nakryiko /* Copyright (c) 2021 Facebook */
3*14f1aae1SAndrii Nakryiko
4*14f1aae1SAndrii Nakryiko #include <test_progs.h>
5*14f1aae1SAndrii Nakryiko #include <sys/syscall.h>
6*14f1aae1SAndrii Nakryiko #include "linked_vars.skel.h"
7*14f1aae1SAndrii Nakryiko
test_linked_vars(void)8*14f1aae1SAndrii Nakryiko void test_linked_vars(void)
9*14f1aae1SAndrii Nakryiko {
10*14f1aae1SAndrii Nakryiko int err;
11*14f1aae1SAndrii Nakryiko struct linked_vars *skel;
12*14f1aae1SAndrii Nakryiko
13*14f1aae1SAndrii Nakryiko skel = linked_vars__open();
14*14f1aae1SAndrii Nakryiko if (!ASSERT_OK_PTR(skel, "skel_open"))
15*14f1aae1SAndrii Nakryiko return;
16*14f1aae1SAndrii Nakryiko
17*14f1aae1SAndrii Nakryiko skel->bss->input_bss1 = 1000;
18*14f1aae1SAndrii Nakryiko skel->bss->input_bss2 = 2000;
19*14f1aae1SAndrii Nakryiko skel->bss->input_bss_weak = 3000;
20*14f1aae1SAndrii Nakryiko
21*14f1aae1SAndrii Nakryiko err = linked_vars__load(skel);
22*14f1aae1SAndrii Nakryiko if (!ASSERT_OK(err, "skel_load"))
23*14f1aae1SAndrii Nakryiko goto cleanup;
24*14f1aae1SAndrii Nakryiko
25*14f1aae1SAndrii Nakryiko err = linked_vars__attach(skel);
26*14f1aae1SAndrii Nakryiko if (!ASSERT_OK(err, "skel_attach"))
27*14f1aae1SAndrii Nakryiko goto cleanup;
28*14f1aae1SAndrii Nakryiko
29*14f1aae1SAndrii Nakryiko /* trigger */
30*14f1aae1SAndrii Nakryiko syscall(SYS_getpgid);
31*14f1aae1SAndrii Nakryiko
32*14f1aae1SAndrii Nakryiko ASSERT_EQ(skel->bss->output_bss1, 1000 + 2000 + 3000, "output_bss1");
33*14f1aae1SAndrii Nakryiko ASSERT_EQ(skel->bss->output_bss2, 1000 + 2000 + 3000, "output_bss2");
34*14f1aae1SAndrii Nakryiko /* 10 comes from "winner" input_data_weak in first obj file */
35*14f1aae1SAndrii Nakryiko ASSERT_EQ(skel->bss->output_data1, 1 + 2 + 10, "output_bss1");
36*14f1aae1SAndrii Nakryiko ASSERT_EQ(skel->bss->output_data2, 1 + 2 + 10, "output_bss2");
37*14f1aae1SAndrii Nakryiko /* 100 comes from "winner" input_rodata_weak in first obj file */
38*14f1aae1SAndrii Nakryiko ASSERT_EQ(skel->bss->output_rodata1, 11 + 22 + 100, "output_weak1");
39*14f1aae1SAndrii Nakryiko ASSERT_EQ(skel->bss->output_rodata2, 11 + 22 + 100, "output_weak2");
40*14f1aae1SAndrii Nakryiko
41*14f1aae1SAndrii Nakryiko cleanup:
42*14f1aae1SAndrii Nakryiko linked_vars__destroy(skel);
43*14f1aae1SAndrii Nakryiko }
44