// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)

/*
 * BTF-to-C dumper tests for implicit and explicit padding between fields and
 * at the end of a struct.
 *
 * Copyright (c) 2019 Facebook
 */
/* ----- START-EXPECTED-OUTPUT ----- */
struct padded_implicitly {
        int a;
        long b;
        char c;
};

/* ------ END-EXPECTED-OUTPUT ------ */

/* ----- START-EXPECTED-OUTPUT ----- */
/*
 *struct padded_explicitly {
 *      int a;
 *      long: 0;
 *      int b;
 *};
 *
 */
/* ------ END-EXPECTED-OUTPUT ------ */

struct padded_explicitly {
        int a;
        int: 1; /* algo will emit aligning `long: 0;` here */
        int b;
};

/* ----- START-EXPECTED-OUTPUT ----- */
struct padded_a_lot {
        int a;
        long: 64;
        long: 64;
        int b;
};

/* ------ END-EXPECTED-OUTPUT ------ */

/* ----- START-EXPECTED-OUTPUT ----- */
/*
 *struct padded_cache_line {
 *      int a;
 *      long: 64;
 *      long: 64;
 *      long: 64;
 *      int b;
 *      long: 64;
 *      long: 64;
 *      long: 64;
 *};
 *
 */
/* ------ END-EXPECTED-OUTPUT ------ */

struct padded_cache_line {
        int a;
        int b __attribute__((aligned(32)));
};

/* ----- START-EXPECTED-OUTPUT ----- */
/*
 *struct zone_padding {
 *      char x[0];
 *};
 *
 *struct zone {
 *      int a;
 *      short b;
 *      long: 0;
 *      struct zone_padding __pad__;
 *};
 *
 */
/* ------ END-EXPECTED-OUTPUT ------ */

struct zone_padding {
        char x[0];
} __attribute__((__aligned__(8)));

struct zone {
        int a;
        short b;
        struct zone_padding __pad__;
};

/* ----- START-EXPECTED-OUTPUT ----- */
struct padding_wo_named_members {
        long: 64;
        long: 64;
};

struct padding_weird_1 {
        int a;
        long: 64;
        short: 16;
        short b;
};

/* ------ END-EXPECTED-OUTPUT ------ */

/* ----- START-EXPECTED-OUTPUT ----- */
/*
 *struct padding_weird_2 {
 *      long: 56;
 *      char a;
 *      long: 56;
 *      char b;
 *      char: 8;
 *};
 *
 */
/* ------ END-EXPECTED-OUTPUT ------ */
struct padding_weird_2 {
        int: 32;        /* these paddings will be collapsed into `long: 56;` */
        short: 16;
        char: 8;
        char a;
        int: 32;        /* these paddings will be collapsed into `long: 56;` */
        short: 16;
        char: 8;
        char b;
        char: 8;
};

/* ----- START-EXPECTED-OUTPUT ----- */
struct exact_1byte {
        char x;
};

struct padded_1byte {
        char: 8;
};

struct exact_2bytes {
        short x;
};

struct padded_2bytes {
        short: 16;
};

struct exact_4bytes {
        int x;
};

struct padded_4bytes {
        int: 32;
};

struct exact_8bytes {
        long x;
};

struct padded_8bytes {
        long: 64;
};

struct ff_periodic_effect {
        int: 32;
        short magnitude;
        long: 0;
        short phase;
        long: 0;
        int: 32;
        int custom_len;
        short *custom_data;
};

struct ib_wc {
        long: 64;
        long: 64;
        int: 32;
        int byte_len;
        void *qp;
        union {} ex;
        long: 64;
        int slid;
        int wc_flags;
        long: 64;
        char smac[6];
        long: 0;
        char network_hdr_type;
};

struct acpi_object_method {
        long: 64;
        char: 8;
        char type;
        short reference_count;
        char flags;
        short: 0;
        char: 8;
        char sync_level;
        long: 64;
        void *node;
        void *aml_start;
        union {} dispatch;
        long: 64;
        int aml_length;
};

struct nested_unpacked {
        int x;
};

struct nested_packed {
        struct nested_unpacked a;
        char c;
} __attribute__((packed));

struct outer_mixed_but_unpacked {
        struct nested_packed b1;
        short a1;
        struct nested_packed b2;
};

/* ------ END-EXPECTED-OUTPUT ------ */

int f(struct {
        struct padded_implicitly _1;
        struct padded_explicitly _2;
        struct padded_a_lot _3;
        struct padded_cache_line _4;
        struct zone _5;
        struct padding_wo_named_members _6;
        struct padding_weird_1 _7;
        struct padding_weird_2 _8;
        struct exact_1byte _100;
        struct padded_1byte _101;
        struct exact_2bytes _102;
        struct padded_2bytes _103;
        struct exact_4bytes _104;
        struct padded_4bytes _105;
        struct exact_8bytes _106;
        struct padded_8bytes _107;
        struct ff_periodic_effect _200;
        struct ib_wc _201;
        struct acpi_object_method _202;
        struct outer_mixed_but_unpacked _203;
} *_)
{
        return 0;
}