// SPDX-License-Identifier: GPL-2.0
/* Converted from tools/testing/selftests/bpf/verifier/helper_restricted.c */

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

struct val {
        int cnt;
        struct bpf_spin_lock l;
};

struct {
        __uint(type, BPF_MAP_TYPE_ARRAY);
        __uint(max_entries, 1);
        __type(key, int);
        __type(value, struct val);
} map_spin_lock SEC(".maps");

SEC("kprobe")
__description("bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_KPROBE")
__failure __msg("program of this type cannot use helper bpf_ktime_get_coarse_ns")
__naked void in_bpf_prog_type_kprobe_1(void)
{
        asm volatile ("                                 \
        call %[bpf_ktime_get_coarse_ns];                \
        r0 = 0;                                         \
        exit;                                           \
"       :
        : __imm(bpf_ktime_get_coarse_ns)
        : __clobber_all);
}

SEC("tracepoint")
__description("bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_TRACEPOINT")
__failure __msg("program of this type cannot use helper bpf_ktime_get_coarse_ns")
__naked void in_bpf_prog_type_tracepoint_1(void)
{
        asm volatile ("                                 \
        call %[bpf_ktime_get_coarse_ns];                \
        r0 = 0;                                         \
        exit;                                           \
"       :
        : __imm(bpf_ktime_get_coarse_ns)
        : __clobber_all);
}

SEC("perf_event")
__description("bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_PERF_EVENT")
__failure __msg("program of this type cannot use helper bpf_ktime_get_coarse_ns")
__naked void bpf_prog_type_perf_event_1(void)
{
        asm volatile ("                                 \
        call %[bpf_ktime_get_coarse_ns];                \
        r0 = 0;                                         \
        exit;                                           \
"       :
        : __imm(bpf_ktime_get_coarse_ns)
        : __clobber_all);
}

SEC("raw_tracepoint")
__description("bpf_ktime_get_coarse_ns is forbidden in BPF_PROG_TYPE_RAW_TRACEPOINT")
__failure __msg("program of this type cannot use helper bpf_ktime_get_coarse_ns")
__naked void bpf_prog_type_raw_tracepoint_1(void)
{
        asm volatile ("                                 \
        call %[bpf_ktime_get_coarse_ns];                \
        r0 = 0;                                         \
        exit;                                           \
"       :
        : __imm(bpf_ktime_get_coarse_ns)
        : __clobber_all);
}

SEC("kprobe")
__description("bpf_spin_lock is forbidden in BPF_PROG_TYPE_KPROBE")
__failure __msg("tracing progs cannot use bpf_spin_lock yet")
__naked void in_bpf_prog_type_kprobe_3(void)
{
        asm volatile ("                                 \
        r2 = r10;                                       \
        r2 += -8;                                       \
        r1 = 0;                                         \
        *(u64*)(r2 + 0) = r1;                           \
        r1 = %[map_spin_lock] ll;                       \
        call %[bpf_map_lookup_elem];                    \
        if r0 == 0 goto l0_%=;                          \
        r1 = r0;                                        \
        call %[bpf_spin_lock];                          \
l0_%=:  exit;                                           \
"       :
        : __imm(bpf_map_lookup_elem),
          __imm(bpf_spin_lock),
          __imm_addr(map_spin_lock)
        : __clobber_all);
}

SEC("tracepoint")
__description("bpf_spin_lock is forbidden in BPF_PROG_TYPE_TRACEPOINT")
__failure __msg("tracing progs cannot use bpf_spin_lock yet")
__naked void in_bpf_prog_type_tracepoint_3(void)
{
        asm volatile ("                                 \
        r2 = r10;                                       \
        r2 += -8;                                       \
        r1 = 0;                                         \
        *(u64*)(r2 + 0) = r1;                           \
        r1 = %[map_spin_lock] ll;                       \
        call %[bpf_map_lookup_elem];                    \
        if r0 == 0 goto l0_%=;                          \
        r1 = r0;                                        \
        call %[bpf_spin_lock];                          \
l0_%=:  exit;                                           \
"       :
        : __imm(bpf_map_lookup_elem),
          __imm(bpf_spin_lock),
          __imm_addr(map_spin_lock)
        : __clobber_all);
}

SEC("perf_event")
__description("bpf_spin_lock is forbidden in BPF_PROG_TYPE_PERF_EVENT")
__failure __msg("tracing progs cannot use bpf_spin_lock yet")
__naked void bpf_prog_type_perf_event_3(void)
{
        asm volatile ("                                 \
        r2 = r10;                                       \
        r2 += -8;                                       \
        r1 = 0;                                         \
        *(u64*)(r2 + 0) = r1;                           \
        r1 = %[map_spin_lock] ll;                       \
        call %[bpf_map_lookup_elem];                    \
        if r0 == 0 goto l0_%=;                          \
        r1 = r0;                                        \
        call %[bpf_spin_lock];                          \
l0_%=:  exit;                                           \
"       :
        : __imm(bpf_map_lookup_elem),
          __imm(bpf_spin_lock),
          __imm_addr(map_spin_lock)
        : __clobber_all);
}

SEC("raw_tracepoint")
__description("bpf_spin_lock is forbidden in BPF_PROG_TYPE_RAW_TRACEPOINT")
__failure __msg("tracing progs cannot use bpf_spin_lock yet")
__naked void bpf_prog_type_raw_tracepoint_3(void)
{
        asm volatile ("                                 \
        r2 = r10;                                       \
        r2 += -8;                                       \
        r1 = 0;                                         \
        *(u64*)(r2 + 0) = r1;                           \
        r1 = %[map_spin_lock] ll;                       \
        call %[bpf_map_lookup_elem];                    \
        if r0 == 0 goto l0_%=;                          \
        r1 = r0;                                        \
        call %[bpf_spin_lock];                          \
l0_%=:  exit;                                           \
"       :
        : __imm(bpf_map_lookup_elem),
          __imm(bpf_spin_lock),
          __imm_addr(map_spin_lock)
        : __clobber_all);
}

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