root/tools/testing/selftests/bpf/progs/verifier_typedef.c
// SPDX-License-Identifier: GPL-2.0

#include <vmlinux.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"

SEC("fentry/bpf_fentry_test_sinfo")
__description("typedef: resolve")
__success __retval(0)
__naked void resolve_typedef(void)
{
        asm volatile ("                                 \
        r1 = *(u64 *)(r1 +0);                           \
        r2 = *(u64 *)(r1 +%[frags_offs]);               \
        r0 = 0;                                         \
        exit;                                           \
"       :
        : __imm_const(frags_offs,
                      offsetof(struct skb_shared_info, frags))
        : __clobber_all);
}

char _license[] SEC("license") = "GPL";