sys/src/cmd/aux/data2s.c

   1 #include <u.h>
   2 #include <libc.h>
   3 #include <bio.h>
   4
   5 void
   6 main(int argc, char *argv[])
   7 {
   8         Biobuf bin, bout;
   9         long len, slen;
  10         int c;
  11
  12         if(argc != 2){
  13                 fprint(2, "usage: data2s name\n");
  14                 exits("usage");
  15         }
  16         Binit(&bin, 0, OREAD);
  17         Binit(&bout, 1, OWRITE);
  18         for(len=0; (c=Bgetc(&bin))!=Beof; len++){
  19                 if((len&7) == 0)
  20                         Bprint(&bout, "DATA %scode+%ld(SB)/8, $\"", argv[1], len);
  21                 if(c)
  22                         Bprint(&bout, "\\%uo", c);
  23                 else
  24                         Bprint(&bout, "\\z");
  25                 if((len&7) == 7)
  26                         Bprint(&bout, "\"\n");
  27         }
  28         slen = len;
  29         if(len & 7){
  30                 while(len & 7){
  31                         Bprint(&bout, "\\z");
  32                         len++;
  33                 }
  34                 Bprint(&bout, "\"\n");
  35         }
  36         Bprint(&bout, "GLOBL %scode+0(SB), $%ld\n", argv[1], len);
  37         Bprint(&bout, "GLOBL %slen+0(SB), $4\n", argv[1]);
  38         Bprint(&bout, "DATA %slen+0(SB)/4, $%ld\n", argv[1], slen);
  39         exits(0);
  40 }