--- /dev/null
+/*
+ * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ *
+ * This product is part of the Amsterdam Compiler Kit.
+ *
+ * Permission to use, sell, duplicate or disclose this software must be
+ * obtained in writing. Requests for such permissions may be sent to
+ *
+ * Dr. Andrew S. Tanenbaum
+ * Wiskundig Seminarium
+ * Vrije Universiteit
+ * Postbox 7161
+ * 1007 MC Amsterdam
+ * The Netherlands
+ *
+ */
+
+/*
+ * The assumption is that this program is run on the same machine the
+ * assembler has run. So the assembler's idea of long fits cv's idea.
+ * The long's produced in the output file have the m68000 format.
+ * The idea's of the longs read in can be changed with the following
+ * flags:
+ * -v Vax longs
+ * -p Pdp 11 longs
+ * -m M68000 longs
+ */
+
+#include <stdio.h>
+
+char * prog ;
+
+char flag ;
+
+#define HDR_LENGTH 40
+
+char hdr[HDR_LENGTH] ;
+
+main(argc,argv) char **argv; {
+ long addr,maxaddr;
+ short count;
+
+ maxaddr=0;
+ if ( argc>1 && argv[1][0]=='-' ) {
+ flag=argv[1][1] ;
+ argc-- ; argv++ ;
+ }
+ if (argc != 3) {
+ fprintf(stderr,"Usage: %s [-[vpm]] VU-a.out pmds-a.out\n",argv[0]);
+ exit(-1);
+ }
+ prog=argv[0] ;
+ if (freopen(argv[1],"r",stdin)==NULL) {
+ fprintf(stderr,"%s: ",prog) ;
+ perror(argv[1]);
+ exit(-1);
+ }
+ if (freopen(argv[2],"w",stdout)==NULL) {
+ fprintf(stderr,"%s: ",prog) ;
+ perror(argv[2]);
+ exit(-1);
+ }
+ while ( getaddr(&addr) && getcnt(&count) ) {
+ fseek(stdout,addr+HDR_LENGTH,0);
+ while (count--) {
+ putchar(getchar());
+ if ( ferror(stdout) ) {
+ fprintf(stderr,"%s: write error\n",prog) ;
+ unlink(argv[2]) ; /* remove the output */
+ exit(2) ;
+ }
+ addr++;
+ }
+ if (addr>maxaddr)
+ maxaddr = addr;
+ }
+ sethdr(0,0410L) ; /* Magic */
+ sethdr(8,maxaddr) ;
+ fseek(stdout,0L,0);
+ fwrite(hdr,sizeof(hdr),1,stdout);
+ if ( ferror(stdout) ) {
+ fprintf(stderr,"%s: write error\n",prog) ;
+ unlink(argv[2]) ; /* remove the output */
+ exit(2) ;
+ }
+ chmod(argv[2],0755);
+ return 0;
+}
+
+getaddr(p_addr) long *p_addr ; {
+ char in[4] ;
+ short out[4] ;
+ int i ;
+
+ switch ( fread(in,1,4,stdin) ) {
+ case 0 : return 0 ;
+ case 4 : break ;;
+ default : fprintf(stderr,"%s: Illegal input format\n",prog) ;
+ return 0 ;
+ }
+ switch ( flag ) {
+ case 0 : *p_addr = *((long *)in) ;
+ return 1 ;
+ case 'v' :
+ out[0]=in[0] ; out[1]=in[1] ;
+ out[2]=in[2] ; out[3]=in[3] ;
+ break ;
+ case 'm' :
+ out[0]=in[3] ; out[1]=in[2] ;
+ out[2]=in[1] ; out[3]=in[0] ;
+ break ;
+ case 'p' :
+ out[0]=in[2] ; out[1]=in[3] ;
+ out[2]=in[0] ; out[3]=in[1] ;
+ break ;
+ default :
+ fprintf(stderr,"%s: Unknown conversion %c(%o)\n",
+ prog,flag,flag) ;
+ exit(-1) ;
+ }
+ for ( i=0 ; i<4 ; i++ ) out[i] &= 0xFF ;
+ *p_addr = 256 * ( 256 * ( 256 * out[3] + out[2] ) + out[1] ) + out[0];
+ return 1 ;
+}
+
+getcnt(p_cnt) unsigned *p_cnt ; {
+ char in[2] ;
+ short out[2] ;
+ int i ;
+
+ switch ( fread(in,1,2,stdin) ) {
+ case 2 : break ;;
+ default : fprintf(stderr,"%s: Illegal input format\n",prog) ;
+ return 0 ;
+ }
+ switch ( flag ) {
+ case 0 : *p_cnt = *((short *)in) ;
+ return 1 ;
+ case 'v' :
+ case 'p' :
+ out[0]=in[0] ; out[1]=in[1] ;
+ break ;
+ case 'm' :
+ out[0]=in[1] ; out[1]=in[0] ;
+ break ;
+ default :
+ fprintf(stderr,"%s: Unknown conversion %c(%o)\n",
+ prog,flag,flag) ;
+ exit(-1) ;
+ }
+ for ( i=0 ; i<2 ; i++ ) out[i] &= 0xFF ;
+ *p_cnt = 256 * out[1] + out[0] ;
+ return 1 ;
+}
+
+sethdr(off,val) long val ; {
+ hdr[off] = val>>24 ;
+ hdr[off+1] = val>>16 ;
+ hdr[off+2] = val>>8 ;
+ hdr[off+3] = val ;
+}