diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/skeleton.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/skeleton.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/skeleton.c b/tools/testing/selftests/bpf/prog_tests/skeleton.c index f6f130c99b8c..180afd632f4c 100644 --- a/tools/testing/selftests/bpf/prog_tests/skeleton.c +++ b/tools/testing/selftests/bpf/prog_tests/skeleton.c @@ -16,8 +16,13 @@ void test_skeleton(void) struct test_skeleton* skel; struct test_skeleton__bss *bss; struct test_skeleton__data *data; + struct test_skeleton__data_dyn *data_dyn; struct test_skeleton__rodata *rodata; + struct test_skeleton__rodata_dyn *rodata_dyn; struct test_skeleton__kconfig *kcfg; + const void *elf_bytes; + size_t elf_bytes_sz = 0; + int i; skel = test_skeleton__open(); if (CHECK(!skel, "skel_open", "failed to open skeleton\n")) @@ -28,7 +33,12 @@ void test_skeleton(void) bss = skel->bss; data = skel->data; + data_dyn = skel->data_dyn; rodata = skel->rodata; + rodata_dyn = skel->rodata_dyn; + + ASSERT_STREQ(bpf_map__name(skel->maps.rodata_dyn), ".rodata.dyn", "rodata_dyn_name"); + ASSERT_STREQ(bpf_map__name(skel->maps.data_dyn), ".data.dyn", "data_dyn_name"); /* validate values are pre-initialized correctly */ CHECK(data->in1 != -1, "in1", "got %d != exp %d\n", data->in1, -1); @@ -44,6 +54,12 @@ void test_skeleton(void) CHECK(rodata->in.in6 != 0, "in6", "got %d != exp %d\n", rodata->in.in6, 0); CHECK(bss->out6 != 0, "out6", "got %d != exp %d\n", bss->out6, 0); + ASSERT_EQ(rodata_dyn->in_dynarr_sz, 0, "in_dynarr_sz"); + for (i = 0; i < 4; i++) + ASSERT_EQ(rodata_dyn->in_dynarr[i], -(i + 1), "in_dynarr"); + for (i = 0; i < 4; i++) + ASSERT_EQ(data_dyn->out_dynarr[i], i + 1, "out_dynarr"); + /* validate we can pre-setup global variables, even in .bss */ data->in1 = 10; data->in2 = 11; @@ -51,6 +67,10 @@ void test_skeleton(void) bss->in4 = 13; rodata->in.in6 = 14; + rodata_dyn->in_dynarr_sz = 4; + for (i = 0; i < 4; i++) + rodata_dyn->in_dynarr[i] = i + 10; + err = test_skeleton__load(skel); if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err)) goto cleanup; @@ -62,6 +82,10 @@ void test_skeleton(void) CHECK(bss->in4 != 13, "in4", "got %lld != exp %lld\n", bss->in4, 13LL); CHECK(rodata->in.in6 != 14, "in6", "got %d != exp %d\n", rodata->in.in6, 14); + ASSERT_EQ(rodata_dyn->in_dynarr_sz, 4, "in_dynarr_sz"); + for (i = 0; i < 4; i++) + ASSERT_EQ(rodata_dyn->in_dynarr[i], i + 10, "in_dynarr"); + /* now set new values and attach to get them into outX variables */ data->in1 = 1; data->in2 = 2; @@ -71,6 +95,8 @@ void test_skeleton(void) bss->in5.b = 6; kcfg = skel->kconfig; + skel->data_read_mostly->read_mostly_var = 123; + err = test_skeleton__attach(skel); if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err)) goto cleanup; @@ -91,6 +117,15 @@ void test_skeleton(void) CHECK(bss->kern_ver != kcfg->LINUX_KERNEL_VERSION, "ext2", "got %d != exp %d\n", bss->kern_ver, kcfg->LINUX_KERNEL_VERSION); + for (i = 0; i < 4; i++) + ASSERT_EQ(data_dyn->out_dynarr[i], i + 10, "out_dynarr"); + + ASSERT_EQ(skel->bss->out_mostly_var, 123, "out_mostly_var"); + + elf_bytes = test_skeleton__elf_bytes(&elf_bytes_sz); + ASSERT_OK_PTR(elf_bytes, "elf_bytes"); + ASSERT_GE(elf_bytes_sz, 0, "elf_bytes_sz"); + cleanup: test_skeleton__destroy(skel); } |