44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* Copyright (c) 2021 Facebook */
|
|
|
|
#include <test_progs.h>
|
|
#include <sys/syscall.h>
|
|
#include "linked_vars.skel.h"
|
|
|
|
void test_linked_vars(void)
|
|
{
|
|
int err;
|
|
struct linked_vars *skel;
|
|
|
|
skel = linked_vars__open();
|
|
if (!ASSERT_OK_PTR(skel, "skel_open"))
|
|
return;
|
|
|
|
skel->bss->input_bss1 = 1000;
|
|
skel->bss->input_bss2 = 2000;
|
|
skel->bss->input_bss_weak = 3000;
|
|
|
|
err = linked_vars__load(skel);
|
|
if (!ASSERT_OK(err, "skel_load"))
|
|
goto cleanup;
|
|
|
|
err = linked_vars__attach(skel);
|
|
if (!ASSERT_OK(err, "skel_attach"))
|
|
goto cleanup;
|
|
|
|
/* trigger */
|
|
syscall(SYS_getpgid);
|
|
|
|
ASSERT_EQ(skel->bss->output_bss1, 1000 + 2000 + 3000, "output_bss1");
|
|
ASSERT_EQ(skel->bss->output_bss2, 1000 + 2000 + 3000, "output_bss2");
|
|
/* 10 comes from "winner" input_data_weak in first obj file */
|
|
ASSERT_EQ(skel->bss->output_data1, 1 + 2 + 10, "output_bss1");
|
|
ASSERT_EQ(skel->bss->output_data2, 1 + 2 + 10, "output_bss2");
|
|
/* 100 comes from "winner" input_rodata_weak in first obj file */
|
|
ASSERT_EQ(skel->bss->output_rodata1, 11 + 22 + 100, "output_weak1");
|
|
ASSERT_EQ(skel->bss->output_rodata2, 11 + 22 + 100, "output_weak2");
|
|
|
|
cleanup:
|
|
linked_vars__destroy(skel);
|
|
}
|