177 lines
2.5 KiB
C
177 lines
2.5 KiB
C
/* $Header$ */
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*
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*/
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#include <stdio.h>
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#include <assert.h>
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#include <out.h>
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#define DATTYPE 0
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#define EOFTYPE 1
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#define SEGTYPE 2
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#define PCTYPE 3
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#define MAXBYTE 0x18
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int check;
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int records;
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int echo;
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int bytecount;
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int ttyfd;
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char *progname;
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char hex[] = "0123456789ABCDEF";
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struct outhead ohead;
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struct outsect sect[MAXSECT];
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main(argc,argv) char **argv; {
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int i,nd,pc,first;
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register char *s;
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progname = argv[0];
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if (argc > 3)
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fatal("usage: %s [object [tty]]\n",argv[0]);
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s = "a.out";
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if (argc >= 2)
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s = argv[1];
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if (! rd_open(s)) {
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fprintf(stderr,"%s: can't open %s\n",progname,s);
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exit(-1);
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}
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rd_ohead(&ohead);
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if (ohead.oh_flags & HF_LINK) {
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fprintf(stderr,"%s: %s contains unresolved references\n",progname,s);
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exit(-1);
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}
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rd_sect(sect, ohead.oh_nsect);
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ttyfd = 1;
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first = 1;
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for (i = 0; i < ohead.oh_nsect; i++) {
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rd_outsect(i);
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pc = sect[i].os_base;
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while (sect[i].os_size) {
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unsigned int sz = 8096, fl;
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extern char *calloc();
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register char *buf;
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char *pbuf;
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if (sz > sect[i].os_size) sz = sect[i].os_size;
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sect[i].os_size -= sz;
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pbuf = buf = calloc(sz, 1);
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if (fl = sect[i].os_flen) {
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if (fl > sz) fl = sz;
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sect[i].os_flen -= fl;
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rd_emit(buf, (long) fl);
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}
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while (sz >= MAXBYTE) {
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data(MAXBYTE, (int) pc, buf);
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sz -= MAXBYTE;
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buf += MAXBYTE;
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pc += MAXBYTE;
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first = 0;
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}
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if (sz > 0) {
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data(sz, (int) pc, buf);
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first = 0;
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}
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free(pbuf);
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}
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}
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if (first == 0)
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eof();
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if (echo)
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for (;;)
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reply();
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}
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data(nd,pc, buf)
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register char *buf;
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{
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newline(nd,pc,DATTYPE);
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do
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byte(*buf++);
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while (--nd);
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endline();
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}
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eof() {
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newline(0,records,EOFTYPE);
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endline();
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}
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newline(n,pc,typ) {
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records++;
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put(';');
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byte(n);
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check = 0;
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bytecount = n+4;
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word(pc);
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}
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endline() {
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word(check);
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put('\r');
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put('\n');
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assert(bytecount == 0);
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put(0);
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put(0);
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put(0);
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put(0);
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put(0);
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put(0);
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}
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word(w) {
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byte(w>>8);
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byte(w);
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}
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byte(b) {
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b &= 0377;
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check += b;
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--bytecount;
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put(hex[(b>>4) & 017]);
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put(hex[b & 017]);
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}
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put(c)
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char c;
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{
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write(ttyfd,&c,1);
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}
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reply() {
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register i;
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char c;
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if (echo == 0)
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return;
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i = read(ttyfd,&c,1);
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assert(i > 0);
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write(1,&c,1);
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}
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fatal(s,a) {
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fprintf(stderr,"%s: ",progname);
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fprintf(stderr,s,a);
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fprintf(stderr,"\n");
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exit(-1);
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}
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rd_fatal() { fatal("read error"); }
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