blob: f2661c8d2d90037be13eaa667abcc3965a2f5c33 [file] [log] [blame]
// 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;
* int: 32;
* int b;
*};
*
*/
/* ------ END-EXPECTED-OUTPUT ------ */
struct padded_explicitly {
int a;
int: 1; /* algo will explicitly pad with full 32 bits here */
int b;
};
/* ----- START-EXPECTED-OUTPUT ----- */
/*
*struct padded_a_lot {
* int a;
* long: 32;
* long: 64;
* long: 64;
* int b;
*};
*
*/
/* ------ END-EXPECTED-OUTPUT ------ */
struct padded_a_lot {
int a;
/* 32 bit of implicit padding here, which algo will make explicit */
long: 64;
long: 64;
int b;
};
/* ----- START-EXPECTED-OUTPUT ----- */
/*
*struct padded_cache_line {
* int a;
* long: 32;
* long: 64;
* long: 64;
* long: 64;
* int b;
* long: 32;
* 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;
* short: 16;
* 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__;
};
int f(struct {
struct padded_implicitly _1;
struct padded_explicitly _2;
struct padded_a_lot _3;
struct padded_cache_line _4;
struct zone _5;
} *_)
{
return 0;
}