minix/commands/autil/obj.h
2010-05-31 20:00:08 +00:00

78 lines
1.7 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".
*/
#include <local.h>
#include <stdio.h>
#include <out.h>
#include <ranlib.h>
#include <arch.h>
#include "object.h"
#if ! defined(CHAR_UNSIGNED)
#define CHAR_UNSIGNED 0
#endif
#if CHAR_UNSIGNED
#define Xchar(ch) (ch)
#else
#define Xchar(ch) ((ch) & 0377)
#endif
#if ! defined(BYTE_ORDER)
#define BYTE_ORDER 0x3210
#endif
#if (BYTE_ORDER == 0x3210 || BYTE_ORDER == 0x1032)
#define uget2(c) (Xchar((c)[0]) | ((unsigned) Xchar((c)[1]) << 8))
#define Xput2(i, c) (((c)[0] = (i)), ((c)[1] = (i) >> 8))
#define put2(i, c) { register int j = (i); Xput2(j, c); }
#else
#define uget2(c) (* ((unsigned short *) (c)))
#define Xput2(i, c) (* ((short *) (c)) = (i))
#define put2(i, c) Xput2(i, c)
#endif
#define get2(c) ((short) uget2(c))
#if BYTE_ORDER != 0x0123
#define get4(c) (uget2(c) | ((long) uget2((c)+2) << 16))
#define put4(l, c) { register long x=(l); \
Xput2((int)x,c); \
Xput2((int)(x>>16),(c)+2); \
}
#else
#define get4(c) (* ((long *) (c)))
#define put4(l, c) (* ((long *) (c)) = (l))
#endif
#define SECTCNT 3 /* number of sections with own output buffer */
#if BIGMACHINE
#define WBUFSIZ (8*BUFSIZ)
#else
#define WBUFSIZ BUFSIZ
#endif
struct fil {
int cnt;
char *pnow;
char *pbegin;
long currpos;
int fd;
char pbuf[WBUFSIZ];
};
extern struct fil __parts[];
#define PARTEMIT 0
#define PARTRELO (PARTEMIT+SECTCNT)
#define PARTNAME (PARTRELO+1)
#define PARTCHAR (PARTNAME+1)
#ifdef SYMDBUG
#define PARTDBUG (PARTCHAR+1)
#else
#define PARTDBUG (PARTCHAR+0)
#endif
#define NPARTS (PARTDBUG + 1)
#define getsect(s) (PARTEMIT+((s)>=(SECTCNT-1)?(SECTCNT-1):(s)))