// SPDX-License-Identifier: GPL-2.0
/* Converted from tools/testing/selftests/bpf/verifier/div0.c */

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

SEC("socket")
__description("DIV32 by 0, zero check 1")
__success __success_unpriv __retval(42)
__naked void by_0_zero_check_1_1(void)
{
        asm volatile ("                                 \
        w0 = 42;                                        \
        w1 = 0;                                         \
        w2 = 1;                                         \
        w2 /= w1;                                       \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("socket")
__description("DIV32 by 0, zero check 2")
__success __success_unpriv __retval(42)
__naked void by_0_zero_check_2_1(void)
{
        asm volatile ("                                 \
        w0 = 42;                                        \
        r1 = 0xffffffff00000000LL ll;                   \
        w2 = 1;                                         \
        w2 /= w1;                                       \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("socket")
__description("DIV64 by 0, zero check")
__success __success_unpriv __retval(42)
__naked void div64_by_0_zero_check(void)
{
        asm volatile ("                                 \
        w0 = 42;                                        \
        w1 = 0;                                         \
        w2 = 1;                                         \
        r2 /= r1;                                       \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("socket")
__description("MOD32 by 0, zero check 1")
__success __success_unpriv __retval(42)
__naked void by_0_zero_check_1_2(void)
{
        asm volatile ("                                 \
        w0 = 42;                                        \
        w1 = 0;                                         \
        w2 = 1;                                         \
        w2 %%= w1;                                      \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("socket")
__description("MOD32 by 0, zero check 2")
__success __success_unpriv __retval(42)
__naked void by_0_zero_check_2_2(void)
{
        asm volatile ("                                 \
        w0 = 42;                                        \
        r1 = 0xffffffff00000000LL ll;                   \
        w2 = 1;                                         \
        w2 %%= w1;                                      \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("socket")
__description("MOD64 by 0, zero check")
__success __success_unpriv __retval(42)
__naked void mod64_by_0_zero_check(void)
{
        asm volatile ("                                 \
        w0 = 42;                                        \
        w1 = 0;                                         \
        w2 = 1;                                         \
        r2 %%= r1;                                      \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("tc")
__description("DIV32 by 0, zero check ok, cls")
__success __retval(8)
__naked void _0_zero_check_ok_cls_1(void)
{
        asm volatile ("                                 \
        w0 = 42;                                        \
        w1 = 2;                                         \
        w2 = 16;                                        \
        w2 /= w1;                                       \
        r0 = r2;                                        \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("tc")
__description("DIV32 by 0, zero check 1, cls")
__success __retval(0)
__naked void _0_zero_check_1_cls_1(void)
{
        asm volatile ("                                 \
        w1 = 0;                                         \
        w0 = 1;                                         \
        w0 /= w1;                                       \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("tc")
__description("DIV32 by 0, zero check 2, cls")
__success __retval(0)
__naked void _0_zero_check_2_cls_1(void)
{
        asm volatile ("                                 \
        r1 = 0xffffffff00000000LL ll;                   \
        w0 = 1;                                         \
        w0 /= w1;                                       \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("tc")
__description("DIV64 by 0, zero check, cls")
__success __retval(0)
__naked void by_0_zero_check_cls(void)
{
        asm volatile ("                                 \
        w1 = 0;                                         \
        w0 = 1;                                         \
        r0 /= r1;                                       \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("tc")
__description("MOD32 by 0, zero check ok, cls")
__success __retval(2)
__naked void _0_zero_check_ok_cls_2(void)
{
        asm volatile ("                                 \
        w0 = 42;                                        \
        w1 = 3;                                         \
        w2 = 5;                                         \
        w2 %%= w1;                                      \
        r0 = r2;                                        \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("tc")
__description("MOD32 by 0, zero check 1, cls")
__success __retval(1)
__naked void _0_zero_check_1_cls_2(void)
{
        asm volatile ("                                 \
        w1 = 0;                                         \
        w0 = 1;                                         \
        w0 %%= w1;                                      \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("tc")
__description("MOD32 by 0, zero check 2, cls")
__success __retval(1)
__naked void _0_zero_check_2_cls_2(void)
{
        asm volatile ("                                 \
        r1 = 0xffffffff00000000LL ll;                   \
        w0 = 1;                                         \
        w0 %%= w1;                                      \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("tc")
__description("MOD64 by 0, zero check 1, cls")
__success __retval(2)
__naked void _0_zero_check_1_cls_3(void)
{
        asm volatile ("                                 \
        w1 = 0;                                         \
        w0 = 2;                                         \
        r0 %%= r1;                                      \
        exit;                                           \
"       ::: __clobber_all);
}

SEC("tc")
__description("MOD64 by 0, zero check 2, cls")
__success __retval(-1)
__naked void _0_zero_check_2_cls_3(void)
{
        asm volatile ("                                 \
        w1 = 0;                                         \
        w0 = -1;                                        \
        r0 %%= r1;                                      \
        exit;                                           \
"       ::: __clobber_all);
}

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