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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright (c) 2019, Joyent, Inc.
*/
#include <sys/types.h>
#include <complex.h>
/*
* Test various structure and union constructs, including various things that
* have caused regressions in the past.
*/
/*
* Basic, simple struct.
*/
struct foo {
int a;
float b;
const char *c;
};
struct foo foo;
/*
* Self-referential structs
*/
struct node {
struct node *prev;
struct node *next;
};
typedef struct nlist {
size_t size;
size_t off;
struct node head;
} nlist_t;
nlist_t head;
/*
* Struct that has a forward declaration.
*/
typedef struct forward forward_t;
struct forward {
void *past;
void *present;
void *future;
};
const forward_t forward;
/*
* Here, we have a pair of structures that basically round up to different
* sizes. As in, the size of the structure is somewhat compiler dependent.
*/
struct round_up {
uint8_t triforce;
uint32_t link;
uint8_t zelda;
uint8_t ganon;
};
#pragma pack(1)
struct fixed_up {
uint8_t triforce;
uint32_t link;
uint8_t zelda;
uint8_t ganon;
};
#pragma pack()
struct round_up oot;
struct fixed_up botw;
/*
* Various GNU and c99 style arrays
*/
enum material {
COPPER,
IRON,
STEEL,
ADAMANTIUM,
MYTHRIL,
ORIHALCUM
};
struct component {
enum material m;
uint64_t grade;
uint64_t count;
const char *locations[4];
};
struct mysterious_barrel {
const char *name;
size_t capacity;
struct component optional[];
};
struct dusk_barrel {
const char *name;
size_t opacity;
struct component optional[0];
};
struct mysterious_barrel sophie;
struct dusk_barrel ayesha;
/*
* Various bitfield forms.
*/
/*
* Variant of the Intel system_desc.
*/
struct stats {
uint64_t hp:16;
uint64_t mp:16;
uint64_t str:8;
uint64_t dex:4;
uint64_t con:1;
uint64_t inte:2;
uint64_t wis:1;
uint64_t cha:4;
uint64_t sanity:1;
uint64_t attack:2;
uint64_t mattack:1;
uint64_t defense:8;
uint64_t mdefense:32;
uint64_t evasion:8;
uint64_t crit:5;
uint64_t luck:19;
};
struct stats stats;
/*
* More odd length structures due to bitfields
*/
struct fellowship {
uint16_t frodo:1;
uint16_t sam:1;
uint16_t merry:1;
uint16_t pippin:1;
uint16_t aragorn:1;
uint16_t boromir:1;
uint16_t legolas:1;
uint16_t gimli:1;
uint16_t gandalf:1;
};
struct fellowship ring;
struct rings {
uint32_t elves:3;
uint32_t dwarves:7;
uint32_t men:9;
uint8_t one;
uint8_t silmarils[3];
};
struct rings rings;
/*
* Regression, we didn't handle receiving a negative offset from DWARF with
* this.
*/
#pragma pack(1)
struct csts {
unsigned int rdy:7;
unsigned int csts:32;
};
struct csts nvme;
#pragma pack()
/*
* Onto unions
*/
union jrpg {
int ff;
double atelier[4];
const char *tales;
int (*chrono)(void);
struct rings xeno;
};
union jrpg games;
#pragma pack(1)
struct android {
uint32_t _2b:16;
uint32_t _9s:16;
};
union nier {
uint32_t automata;
struct android android;
};
#pragma pack()
union nier nier;
union kh {
int sora:3;
char riku:7;
double kairi;
complex double namine;
};
union kh kh;
/*
* Anonymous union in a struct, GNU extension / C11
*/
struct trigger {
uint8_t chrono;
uint8_t cross;
union {
void *lavos;
int *crono;
uint64_t schala[3];
};
};
struct trigger ct;
/*
* This is an array/union combo that failed conversion previously. Because it is
* static, we need to have a dummy function to make sure that clang doesn't
* optimize it away. Hopefully even with optimizations, this'll still be kept
* even though it's a constant.
*/
static const union regress {
unsigned int i[3];
long double e;
} regress[9];
unsigned int
get_regress(void)
{
return (regress[0].i[2]);
}
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