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#include <stdio.h>
int main (void)
{
FILE *f,*o;
int c,offset;
f=fopen ("areals.s","r");
o=fopen ("areals_offsets.s","w");
for (;;){
c=getc (f);
if (c!='\t')
goto next_line_1;
c=getc (f);
if (c!='#')
goto next_line_1;
c=getc (f);
if (c!='o')
goto next_line_1;
c=getc (f);
if (c!='f')
goto next_line_1;
c=getc (f);
if (c!='f')
goto next_line_1;
c=getc (f);
if (c!='s')
goto next_line_1;
c=getc (f);
if (c!='e')
goto next_line_1;
c=getc (f);
if (c!='t')
goto next_line_1;
c=getc (f);
if (c!='s')
goto next_line_1;
c=getc (f);
while (c!='\n')
c=getc (f);
break;
next_line_1:
while (c!='\n')
c=getc (f);
}
printf ("found #offsets\n");
offset=0;
for (;;){
if (c=='\n' || c=='\r'){
c=getc (f);
continue;
}
if (c=='#')
goto next_line;
if ((c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='_'){
do {
fprintf (o,"%c",c);
c=getc (f);
} while ((c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='_');
fprintf (o,"_offset = %d\n",offset);
if (c==':')
goto next_line;
printf (": expected, not %c\n",c);
return 0;
}
if (c==EOF)
break;
if (!(c==' ' || c=='\t')){
printf ("line should start with a tab, space or #, not %c\n",c);
return 0;
}
c=getc (f);
if (c!='.'){
printf (". expected, not %c\n",c);
return 0;
}
c=getc (f);
if (c=='d'){
c=getc (f);
if (c!='o'){
printf ("o. expected, not %c\n",c);
return 0;
}
c=getc (f);
if (c!='u'){
printf ("u. expected, not %c\n",c);
return 0;
}
c=getc (f);
if (c!='b'){
printf ("b. expected, not %c\n",c);
return 0;
}
c=getc (f);
if (c!='l'){
printf ("l. expected, not %c\n",c);
return 0;
}
c=getc (f);
if (c!='e'){
printf ("e. expected, not %c\n",c);
return 0;
}
if (offset & 7){
printf (".double not 8 byte aligned\n");
return 0;
}
offset+=8;
c=getc (f);
goto next_line;
}
if (c=='q'){
c=getc (f);
if (c!='u'){
printf ("u. expected, not %c\n",c);
return 0;
}
c=getc (f);
if (c!='a'){
printf ("a. expected, not %c\n",c);
return 0;
}
c=getc (f);
if (c!='d'){
printf ("d. expected, not %c\n",c);
return 0;
}
offset+=4;
c=getc (f);
goto next_line;
}
printf (".double or .quad expected, not .%c\n",c);
return 0;
next_line:
while (c!='\n' && c!='\r' && c!=EOF)
c=getc (f);
if (c==EOF)
break;
}
fclose (o);
fclose (f);
printf ("all offsets written\n");
return 1;
}
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