new libsa version

[unix-history] / usr / src / sys / pmax / stand / coff.c

/*
* Copyright (c) 1992 Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* %sccs.include.redist.c%
*
*      @(#)coff.c      7.1 (Berkeley) %G%
*/

#define COFF
#include <sys/exec.h>

/*
* Print header info for coff files.
*/
void
main(argc, argv)
       int argc;
       char **argv;
{
       register struct devices *dp;
       register int fd, i, n;
       char *fname;
       struct exec aout;

       if (argc < 2) {
               printf("usage: %s <file>\n");
               goto err;
       }
       if ((fd = open(fname = argv[1], 0)) < 0)
               goto err;

       /* read the COFF header */
       i = read(fd, (char *)&aout, sizeof(aout));
       if (i != sizeof(aout)) {
               printf("No a.out header\n");
               goto cerr;
       }
       printf("HDR: magic 0x%x(0%o) nsec %d nsym %d optheader %d textoff %x\n",
               aout.ex_fhdr.magic,
               aout.ex_fhdr.magic,
               aout.ex_fhdr.numSections,
               aout.ex_fhdr.numSyms,
               aout.ex_fhdr.optHeader,
               N_TXTOFF(aout));
       printf("A.out: magic 0x%x(0%o) ver %d entry %x gprM %x gpV %x\n",
               aout.ex_aout.magic,
               aout.ex_aout.magic,
               aout.ex_aout.verStamp,
               aout.ex_aout.entry,
               aout.ex_aout.gprMask,
               aout.ex_aout.gpValue);
       printf("\tstart %x,%x,%x size %d+%d+%d\n",
               aout.ex_aout.codeStart,
               aout.ex_aout.heapStart,
               aout.ex_aout.bssStart,
               aout.ex_aout.codeSize,
               aout.ex_aout.heapSize,
               aout.ex_aout.bssSize);

cerr:
       close(fd);
err:
       exit(0);
}