ack/mach/proto/cg/data.h
2019-05-11 01:11:54 +08:00

64 lines
1.6 KiB
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
#ifndef DATA_H_
#define DATA_H_
#include "types.h"
typedef struct {
int t_token; /* kind of token, -1 for register */
union {
word aw; /* integer type */
string as; /* string type */
int ar; /* register type */
} t_att[TOKENSIZE];
} token_t,*token_p;
struct reginfo {
int r_repr; /* index in string table */
int r_size; /* size in bytes */
#if MAXMEMBERS!=0
int r_members[MAXMEMBERS]; /* register contained within this reg */
short r_clash[REGSETSIZE]; /* set of clashing registers */
#endif
int r_refcount; /* Times in use */
token_t r_contents; /* Current contents */
int r_tcount; /* Temporary count difference */
};
#if MAXMEMBERS!=0
#define clash(a,b) ((machregs[a].r_clash[(b)>>4]&(1<<((b)&017)))!=0)
#else
#define clash(a,b) ((a)==(b))
#endif
typedef struct {
int t_size; /* size in bytes */
cost_t t_cost; /* cost in bytes and time */
byte t_type[TOKENSIZE]; /* types of attributes, TT_??? */
int t_format; /* index of formatstring */
} tkdef_t,*tkdef_p;
struct emline {
int em_instr;
int em_optyp;
string em_soper;
union {
word em_ioper;
long em_loper;
} em_u;
};
#define OPNO 0
#define OPINT 1
#define OPSYMBOL 2
typedef struct {
int rl_n; /* number in list */
int rl_list[NREGS];
} rl_t,*rl_p;
#endif /* DATA_H_ */