Subversion Repositories openrisc_2011-10-31

%{ /* defparse.y - parser for .def files */

/* Copyright 1995, 1997, 1998, 1999, 2001, 2004, 2005, 2007
   Free Software Foundation, Inc.
   
   This file is part of GNU Binutils.
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#include "sysdep.h"
#include "bfd.h"
#include "libiberty.h"
#include "dlltool.h"
%}

%union {
  char *id;
  int number;
};

%token NAME LIBRARY DESCRIPTION STACKSIZE HEAPSIZE CODE DATA
%token SECTIONS EXPORTS IMPORTS VERSIONK BASE CONSTANT
%token READ WRITE EXECUTE SHARED NONSHARED NONAME PRIVATE
%token SINGLE MULTIPLE INITINSTANCE INITGLOBAL TERMINSTANCE TERMGLOBAL
%token <id> ID
%token <number> NUMBER
%type  <number> opt_base opt_ordinal opt_NONAME opt_CONSTANT opt_DATA opt_PRIVATE
%type  <number> attr attr_list opt_number
%type  <id> opt_name opt_equal_name 

%%

start: start command
        | command
        ;

command: 
                NAME opt_name opt_base { def_name ($2, $3); }
        |       LIBRARY opt_name opt_base option_list { def_library ($2, $3); }
        |       EXPORTS explist 
        |       DESCRIPTION ID { def_description ($2);}
        |       STACKSIZE NUMBER opt_number { def_stacksize ($2, $3);}
        |       HEAPSIZE NUMBER opt_number { def_heapsize ($2, $3);}
        |       CODE attr_list { def_code ($2);}
        |       DATA attr_list  { def_data ($2);}
        |       SECTIONS seclist
        |       IMPORTS implist
        |       VERSIONK NUMBER { def_version ($2,0);}
        |       VERSIONK NUMBER '.' NUMBER { def_version ($2,$4);}
        ;


explist:
                /* EMPTY */
        |       explist expline
        ;

expline:
                ID opt_equal_name opt_ordinal opt_NONAME opt_CONSTANT opt_DATA opt_PRIVATE
                        { def_exports ($1, $2, $3, $4, $5, $6, $7);}
        ;
implist:        
                implist impline
        |       impline
        ;

impline:
               ID '=' ID '.' ID '.' ID     { def_import ($1,$3,$5,$7, 0); }
       |       ID '=' ID '.' ID '.' NUMBER { def_import ($1,$3,$5, 0,$7); }
       |       ID '=' ID '.' ID            { def_import ($1,$3, 0,$5, 0); }
       |       ID '=' ID '.' NUMBER        { def_import ($1,$3, 0, 0,$5); }
       |       ID '.' ID '.' ID            { def_import ( 0,$1,$3,$5, 0); }
       |       ID '.' ID '.' NUMBER        { def_import ( 0,$1,$3, 0,$5); }
       |       ID '.' ID                   { def_import ( 0,$1, 0,$3, 0); }
       |       ID '.' NUMBER               { def_import ( 0,$1, 0, 0,$3); }
;

seclist:
                seclist secline
        |       secline
        ;

secline:
        ID attr_list { def_section ($1,$2);}
        ;

attr_list:
        attr_list opt_comma attr
        | attr
        ;

opt_comma:
        ','
        | 
        ;
opt_number: ',' NUMBER { $$=$2;}
        |          { $$=-1;}
        ;
        
attr:
                READ { $$ = 1; }
        |       WRITE { $$ = 2; }
        |       EXECUTE { $$ = 4; }
        |       SHARED { $$ = 8; }
        |       NONSHARED { $$ = 0; }
        |       SINGLE { $$ = 0; }
        |       MULTIPLE { $$ = 0; }
        ;

opt_CONSTANT:
                CONSTANT {$$=1;}
        |                {$$=0;}
        ;

opt_NONAME:
                NONAME {$$=1;}
        |                {$$=0;}
        ;

opt_DATA:
                DATA { $$ = 1; }
        |            { $$ = 0; }
        ;

opt_PRIVATE:
                PRIVATE { $$ = 1; }
        |               { $$ = 0; }
        ;

opt_name: ID            { $$ =$1; }
        | ID '.' ID     
          { 
            char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1);
            sprintf (name, "%s.%s", $1, $3);
            $$ = name;
          }
        |               { $$=""; }
        ;

opt_ordinal: 
          '@' NUMBER     { $$=$2;}
        |                { $$=-1;}
        ;

opt_equal_name:
          '=' ID        { $$ = $2; }
        | '=' ID '.' ID 
          { 
            char *name = xmalloc (strlen ($2) + 1 + strlen ($4) + 1);
            sprintf (name, "%s.%s", $2, $4);
            $$ = name;
          }
        |               { $$ =  0; }                     
        ;

opt_base: BASE  '=' NUMBER      { $$= $3;}
        |       { $$=-1;}
        ;

option_list:
                /* empty */
        |       option_list opt_comma option
        ;

option:
                INITINSTANCE
        |       INITGLOBAL
        |       TERMINSTANCE
        |       TERMGLOBAL
        ;