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|
%{ /* defparse.y - parser for .def files */
/* Copyright (C) 1995-2024 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;
const char *id_const;
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 EQUAL
%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_name2 opt_equal_name opt_import_name
%type <id_const> keyword_as_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
opt_import_name
{ def_exports ($1, $2, $3, $4, $5, $6, $7, $8);}
;
implist:
implist impline
| impline
;
impline:
ID '=' ID '.' ID '.' ID opt_import_name
{ def_import ($1,$3,$5,$7, 0, $8); }
| ID '=' ID '.' ID '.' NUMBER opt_import_name
{ def_import ($1,$3,$5, 0,$7, $8); }
| ID '=' ID '.' ID opt_import_name
{ def_import ($1,$3, 0,$5, 0, $6); }
| ID '=' ID '.' NUMBER opt_import_name
{ def_import ($1,$3, 0, 0,$5, $6); }
| ID '.' ID '.' ID opt_import_name
{ def_import ( 0,$1,$3,$5, 0, $6); }
| ID '.' ID '.' NUMBER opt_import_name
{ def_import ( 0,$1,$3, 0,$5, $6); }
| ID '.' ID opt_import_name
{ def_import ( 0,$1, 0,$3, 0, $4); }
| ID '.' NUMBER opt_import_name
{ def_import ( 0,$1, 0, 0,$3, $4); }
;
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; }
| { $$ = 0; }
;
keyword_as_name: NAME { $$ = "NAME"; }
/* Disabled LIBRARY keyword for a quirk in libtool. It places LIBRARY
command after EXPORTS list, which is illegal by specification.
See PR binutils/13710
| LIBRARY { $$ = "LIBRARY"; } */
| DESCRIPTION { $$ = "DESCRIPTION"; }
| STACKSIZE { $$ = "STACKSIZE"; }
| HEAPSIZE { $$ = "HEAPSIZE"; }
| CODE { $$ = "CODE"; }
| DATA { $$ = "DATA"; }
| SECTIONS { $$ = "SECTIONS"; }
| EXPORTS { $$ = "EXPORTS"; }
| IMPORTS { $$ = "IMPORTS"; }
| VERSIONK { $$ = "VERSION"; }
| BASE { $$ = "BASE"; }
| CONSTANT { $$ = "CONSTANT"; }
| NONAME { $$ = "NONAME"; }
| PRIVATE { $$ = "PRIVATE"; }
| READ { $$ = "READ"; }
| WRITE { $$ = "WRITE"; }
| EXECUTE { $$ = "EXECUTE"; }
| SHARED { $$ = "SHARED"; }
| NONSHARED { $$ = "NONSHARED"; }
| SINGLE { $$ = "SINGLE"; }
| MULTIPLE { $$ = "MULTIPLE"; }
| INITINSTANCE { $$ = "INITINSTANCE"; }
| INITGLOBAL { $$ = "INITGLOBAL"; }
| TERMINSTANCE { $$ = "TERMINSTANCE"; }
| TERMGLOBAL { $$ = "TERMGLOBAL"; }
;
opt_name2: ID { $$ = $1; }
| '.' keyword_as_name
{
char *name = xmalloc (strlen ($2) + 2);
sprintf (name, ".%s", $2);
$$ = name;
}
| '.' opt_name2
{
char *name = xmalloc (strlen ($2) + 2);
sprintf (name, ".%s", $2);
$$ = name;
}
| keyword_as_name '.' opt_name2
{
char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1);
sprintf (name, "%s.%s", $1, $3);
$$ = name;
}
| ID '.' opt_name2
{
char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1);
sprintf (name, "%s.%s", $1, $3);
$$ = name;
}
;
opt_name: opt_name2 { $$ =$1; }
| { $$=""; }
;
opt_ordinal:
'@' NUMBER { $$=$2;}
| { $$=-1;}
;
opt_import_name:
EQUAL opt_name2 { $$ = $2; }
| { $$ = 0; }
;
opt_equal_name:
'=' opt_name2 { $$ = $2; }
| { $$ = 0; }
;
opt_base: BASE '=' NUMBER { $$= $3;}
| { $$=-1;}
;
option_list:
/* empty */
| option_list opt_comma option
;
option:
INITINSTANCE
| INITGLOBAL
| TERMINSTANCE
| TERMGLOBAL
;
|
