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