// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
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/*
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* BTF-to-C dumper tests for bitfield.
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*
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* Copyright (c) 2019 Facebook
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*/
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#include <stdbool.h>
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/* ----- START-EXPECTED-OUTPUT ----- */
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/*
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*struct bitfields_only_mixed_types {
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* int a: 3;
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* long int b: 2;
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* _Bool c: 1;
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* enum {
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* A = 0,
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* B = 1,
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* } d: 1;
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* short e: 5;
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* int: 20;
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* unsigned int f: 30;
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*};
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*
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*/
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/* ------ END-EXPECTED-OUTPUT ------ */
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struct bitfields_only_mixed_types {
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int a: 3;
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long int b: 2;
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bool c: 1; /* it's really a _Bool type */
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enum {
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A, /* A = 0, dumper is very explicit */
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B, /* B = 1, same */
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} d: 1;
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short e: 5;
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/* 20-bit padding here */
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unsigned f: 30; /* this gets aligned on 4-byte boundary */
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};
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/* ----- START-EXPECTED-OUTPUT ----- */
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/*
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*struct bitfield_mixed_with_others {
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* char: 4;
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* int a: 4;
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* short b;
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* long int c;
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* long int d: 8;
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* int e;
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* int f;
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*};
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*
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*/
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/* ------ END-EXPECTED-OUTPUT ------ */
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struct bitfield_mixed_with_others {
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long: 4; /* char is enough as a backing field */
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int a: 4;
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/* 8-bit implicit padding */
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short b; /* combined with previous bitfield */
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/* 4 more bytes of implicit padding */
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long c;
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long d: 8;
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/* 24 bits implicit padding */
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int e; /* combined with previous bitfield */
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int f;
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/* 4 bytes of padding */
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};
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/* ----- START-EXPECTED-OUTPUT ----- */
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/*
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*struct bitfield_flushed {
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* int a: 4;
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* long: 60;
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* long int b: 16;
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*};
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*
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*/
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/* ------ END-EXPECTED-OUTPUT ------ */
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struct bitfield_flushed {
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int a: 4;
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long: 0; /* flush until next natural alignment boundary */
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long b: 16;
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};
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int f(struct {
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struct bitfields_only_mixed_types _1;
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struct bitfield_mixed_with_others _2;
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struct bitfield_flushed _3;
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} *_)
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{
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return 0;
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}
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