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1// SPDX-License-Identifier: GPL-2.02/* Converted from tools/testing/selftests/bpf/verifier/btf_ctx_access.c */3 4#include <linux/bpf.h>5#include <bpf/bpf_helpers.h>6#include "bpf_misc.h"7 8SEC("fentry/bpf_modify_return_test")9__description("btf_ctx_access accept")10__success __retval(0)11__naked void btf_ctx_access_accept(void)12{13 asm volatile (" \14 r2 = *(u32*)(r1 + 8); /* load 2nd argument value (int pointer) */\15 r0 = 0; \16 exit; \17" ::: __clobber_all);18}19 20SEC("fentry/bpf_fentry_test9")21__description("btf_ctx_access u32 pointer accept")22__success __retval(0)23__naked void ctx_access_u32_pointer_accept(void)24{25 asm volatile (" \26 r2 = *(u32*)(r1 + 0); /* load 1nd argument value (u32 pointer) */\27 r0 = 0; \28 exit; \29" ::: __clobber_all);30}31 32char _license[] SEC("license") = "GPL";33