1*e7215f57SStanislav Fomichev // SPDX-License-Identifier: GPL-2.0-only 2*e7215f57SStanislav Fomichev 3*e7215f57SStanislav Fomichev #include <linux/bpf.h> 4*e7215f57SStanislav Fomichev #include <bpf/bpf_helpers.h> 5*e7215f57SStanislav Fomichev 6*e7215f57SStanislav Fomichev #define BPF_RETVAL_HOOK(name, section, ctx, expected_err) \ 7*e7215f57SStanislav Fomichev __attribute__((__section__("?" section))) \ 8*e7215f57SStanislav Fomichev int name(struct ctx *_ctx) \ 9*e7215f57SStanislav Fomichev { \ 10*e7215f57SStanislav Fomichev bpf_set_retval(bpf_get_retval()); \ 11*e7215f57SStanislav Fomichev return 1; \ 12*e7215f57SStanislav Fomichev } 13*e7215f57SStanislav Fomichev 14*e7215f57SStanislav Fomichev #include "cgroup_getset_retval_hooks.h" 15*e7215f57SStanislav Fomichev 16*e7215f57SStanislav Fomichev #undef BPF_RETVAL_HOOK 17