1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2020 Facebook */
3
4 #include <test_progs.h>
5 #include "test_endian.skel.h"
6
7 static int duration;
8
9 #define IN16 0x1234
10 #define IN32 0x12345678U
11 #define IN64 0x123456789abcdef0ULL
12
13 #define OUT16 0x3412
14 #define OUT32 0x78563412U
15 #define OUT64 0xf0debc9a78563412ULL
16
17 void test_endian(void)
18 {
19 struct test_endian* skel;
20 struct test_endian__bss *bss;
21 int err;
22
23 skel = test_endian__open_and_load();
24 if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
25 return;
26 bss = skel->bss;
27
28 bss->in16 = IN16;
29 bss->in32 = IN32;
30 bss->in64 = IN64;
31
32 err = test_endian__attach(skel);
33 if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
34 goto cleanup;
35
36 usleep(1);
37
38 CHECK(bss->out16 != OUT16, "out16", "got 0x%llx != exp 0x%llx\n",
39 (__u64)bss->out16, (__u64)OUT16);
40 CHECK(bss->out32 != OUT32, "out32", "got 0x%llx != exp 0x%llx\n",
41 (__u64)bss->out32, (__u64)OUT32);
42 CHECK(bss->out64 != OUT64, "out16", "got 0x%llx != exp 0x%llx\n",
43 (__u64)bss->out64, (__u64)OUT64);
44
45 CHECK(bss->const16 != OUT16, "const16", "got 0x%llx != exp 0x%llx\n",
46 (__u64)bss->const16, (__u64)OUT16);
47 CHECK(bss->const32 != OUT32, "const32", "got 0x%llx != exp 0x%llx\n",
48 (__u64)bss->const32, (__u64)OUT32);
49 CHECK(bss->const64 != OUT64, "const64", "got 0x%llx != exp 0x%llx\n",
50 (__u64)bss->const64, (__u64)OUT64);
51 cleanup:
52 test_endian__destroy(skel);
53 }
54
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