// SPDX-License-Identifier: GPL-2.0 /* Converted from tools/testing/selftests/bpf/verifier/btf_ctx_access.c */ #include <linux/bpf.h> #include <bpf/bpf_helpers.h> #include "bpf_misc.h" SEC("fentry/bpf_modify_return_test") __description("btf_ctx_access accept") __success __retval(0) __naked void btf_ctx_access_accept(void) { asm volatile (" \ r2 = *(u32*)(r1 + 8); /* load 2nd argument value (int pointer) */\ r0 = 0; \ exit; \ " ::: __clobber_all); } SEC("fentry/bpf_fentry_test9") __description("btf_ctx_access u32 pointer accept") __success __retval(0) __naked void ctx_access_u32_pointer_accept(void) { asm volatile (" \ r2 = *(u32*)(r1 + 0); /* load 1nd argument value (u32 pointer) */\ r0 = 0; \ exit; \ " ::: __clobber_all); } char _license[] SEC("license") = "GPL";