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edce1a2
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linux
/
tools
/
testing
/
selftests
/
bpf
/
prog_tests
/
btf_module.c
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34 lines (26 loc) · 780 Bytes
Breadcrumbs
linux
/
tools
/
testing
/
selftests
/
bpf
/
prog_tests
/
btf_module.c
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34 lines (26 loc) · 780 Bytes
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/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2021 Hengqi Chen */ #include <test_progs.h> #include <bpf/btf.h> static const char *module_name = "bpf_testmod"; static const char *symbol_name = "bpf_testmod_test_read"; void test_btf_module() { struct btf *vmlinux_btf, *module_btf; __s32 type_id; if (!env.has_testmod) { test__skip(); return; } vmlinux_btf = btf__load_vmlinux_btf(); if (!ASSERT_OK_PTR(vmlinux_btf, "could not load vmlinux BTF")) return; module_btf = btf__load_module_btf(module_name, vmlinux_btf); if (!ASSERT_OK_PTR(module_btf, "could not load module BTF")) goto cleanup; type_id = btf__find_by_name(module_btf, symbol_name); ASSERT_GT(type_id, 0, "func not found"); cleanup: btf__free(module_btf); btf__free(vmlinux_btf); }
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