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// 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;
};
/* ------ 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;
} *_)
{
return 0;
}
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