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// SPDX-License-Identifier: GPL-2.0
/* Converted from tools/testing/selftests/bpf/verifier/d_path.c */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
SEC("fentry/dentry_open")
__description("d_path accept")
__success __retval(0)
__naked void d_path_accept(void)
{
asm volatile (" \
r1 = *(u64 *)(r1 + 0); \
r2 = r10; \
r2 += -8; \
r6 = 0; \
*(u64*)(r2 + 0) = r6; \
r3 = 8 ll; \
call %[bpf_d_path]; \
r0 = 0; \
exit; \
" :
: __imm(bpf_d_path)
: __clobber_all);
}
SEC("fentry/d_path")
__description("d_path reject")
__failure __msg("helper call is not allowed in probe")
__naked void d_path_reject(void)
{
asm volatile (" \
r1 = *(u64 *)(r1 + 0); \
r2 = r10; \
r2 += -8; \
r6 = 0; \
*(u64*)(r2 + 0) = r6; \
r3 = 8 ll; \
call %[bpf_d_path]; \
r0 = 0; \
exit; \
" :
: __imm(bpf_d_path)
: __clobber_all);
}
char _license[] SEC("license") = "GPL";
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