| // 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"; |