/* A YACC grammar to parse a superset of the AT&T linker scripting language.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
-This file is part of GNU ld.
+ This file is part of GNU ld.
-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 2 of the License, or
-(at your option) any later version.
+ 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 2 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
%{
/*
%token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
%token INHIBIT_COMMON_ALLOCATION
%token SIZEOF_HEADERS
+%token SEGMENT_START
%token INCLUDE
%token MEMORY DEFSYMEND
%token NOLOAD DSECT COPY INFO OVERLAY
%token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS
%token ORIGIN FILL
%token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS
-%token ALIGNMOD AT SUBALIGN PROVIDE
+%token ALIGNMOD AT SUBALIGN PROVIDE AS_NEEDED
%type <token> assign_op atype attributes_opt sect_constraint
%type <name> filename
%token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K
| input_list LNAME
{ lang_add_input_file($2,lang_input_file_is_l_enum,
(char *)NULL); }
+ | AS_NEEDED '('
+ { $<integer>$ = as_needed; as_needed = TRUE; }
+ input_list ')'
+ { as_needed = $<integer>3; }
+ | input_list ',' AS_NEEDED '('
+ { $<integer>$ = as_needed; as_needed = TRUE; }
+ input_list ')'
+ { as_needed = $<integer>5; }
+ | input_list AS_NEEDED '('
+ { $<integer>$ = as_needed; as_needed = TRUE; }
+ input_list ')'
+ { as_needed = $<integer>4; }
;
sections:
}
;
-mustbe_exp: { ldlex_expression(); }
+mustbe_exp: { ldlex_expression (); }
exp
- { ldlex_popstate(); $$=$2;}
+ { ldlex_popstate (); $$=$2;}
;
exp :
'-' exp %prec UNARY
- { $$ = exp_unop('-', $2); }
+ { $$ = exp_unop ('-', $2); }
| '(' exp ')'
{ $$ = $2; }
| NEXT '(' exp ')' %prec UNARY
- { $$ = exp_unop((int) $1,$3); }
+ { $$ = exp_unop ((int) $1,$3); }
| '!' exp %prec UNARY
- { $$ = exp_unop('!', $2); }
+ { $$ = exp_unop ('!', $2); }
| '+' exp %prec UNARY
{ $$ = $2; }
| '~' exp %prec UNARY
- { $$ = exp_unop('~', $2);}
+ { $$ = exp_unop ('~', $2);}
| exp '*' exp
- { $$ = exp_binop('*', $1, $3); }
+ { $$ = exp_binop ('*', $1, $3); }
| exp '/' exp
- { $$ = exp_binop('/', $1, $3); }
+ { $$ = exp_binop ('/', $1, $3); }
| exp '%' exp
- { $$ = exp_binop('%', $1, $3); }
+ { $$ = exp_binop ('%', $1, $3); }
| exp '+' exp
- { $$ = exp_binop('+', $1, $3); }
+ { $$ = exp_binop ('+', $1, $3); }
| exp '-' exp
- { $$ = exp_binop('-' , $1, $3); }
+ { $$ = exp_binop ('-' , $1, $3); }
| exp LSHIFT exp
- { $$ = exp_binop(LSHIFT , $1, $3); }
+ { $$ = exp_binop (LSHIFT , $1, $3); }
| exp RSHIFT exp
- { $$ = exp_binop(RSHIFT , $1, $3); }
+ { $$ = exp_binop (RSHIFT , $1, $3); }
| exp EQ exp
- { $$ = exp_binop(EQ , $1, $3); }
+ { $$ = exp_binop (EQ , $1, $3); }
| exp NE exp
- { $$ = exp_binop(NE , $1, $3); }
+ { $$ = exp_binop (NE , $1, $3); }
| exp LE exp
- { $$ = exp_binop(LE , $1, $3); }
+ { $$ = exp_binop (LE , $1, $3); }
| exp GE exp
- { $$ = exp_binop(GE , $1, $3); }
+ { $$ = exp_binop (GE , $1, $3); }
| exp '<' exp
- { $$ = exp_binop('<' , $1, $3); }
+ { $$ = exp_binop ('<' , $1, $3); }
| exp '>' exp
- { $$ = exp_binop('>' , $1, $3); }
+ { $$ = exp_binop ('>' , $1, $3); }
| exp '&' exp
- { $$ = exp_binop('&' , $1, $3); }
+ { $$ = exp_binop ('&' , $1, $3); }
| exp '^' exp
- { $$ = exp_binop('^' , $1, $3); }
+ { $$ = exp_binop ('^' , $1, $3); }
| exp '|' exp
- { $$ = exp_binop('|' , $1, $3); }
+ { $$ = exp_binop ('|' , $1, $3); }
| exp '?' exp ':' exp
- { $$ = exp_trinop('?' , $1, $3, $5); }
+ { $$ = exp_trinop ('?' , $1, $3, $5); }
| exp ANDAND exp
- { $$ = exp_binop(ANDAND , $1, $3); }
+ { $$ = exp_binop (ANDAND , $1, $3); }
| exp OROR exp
- { $$ = exp_binop(OROR , $1, $3); }
+ { $$ = exp_binop (OROR , $1, $3); }
| DEFINED '(' NAME ')'
- { $$ = exp_nameop(DEFINED, $3); }
+ { $$ = exp_nameop (DEFINED, $3); }
| INT
{ $$ = exp_bigintop ($1.integer, $1.str); }
| SIZEOF_HEADERS
- { $$ = exp_nameop(SIZEOF_HEADERS,0); }
+ { $$ = exp_nameop (SIZEOF_HEADERS,0); }
| SIZEOF '(' NAME ')'
- { $$ = exp_nameop(SIZEOF,$3); }
+ { $$ = exp_nameop (SIZEOF,$3); }
| ADDR '(' NAME ')'
- { $$ = exp_nameop(ADDR,$3); }
+ { $$ = exp_nameop (ADDR,$3); }
| LOADADDR '(' NAME ')'
- { $$ = exp_nameop(LOADADDR,$3); }
+ { $$ = exp_nameop (LOADADDR,$3); }
| ABSOLUTE '(' exp ')'
- { $$ = exp_unop(ABSOLUTE, $3); }
+ { $$ = exp_unop (ABSOLUTE, $3); }
| ALIGN_K '(' exp ')'
- { $$ = exp_unop(ALIGN_K,$3); }
+ { $$ = exp_unop (ALIGN_K,$3); }
| ALIGN_K '(' exp ',' exp ')'
- { $$ = exp_binop(ALIGN_K,$3,$5); }
+ { $$ = exp_binop (ALIGN_K,$3,$5); }
| DATA_SEGMENT_ALIGN '(' exp ',' exp ')'
{ $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); }
| DATA_SEGMENT_RELRO_END '(' exp ',' exp ')'
{ $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); }
| DATA_SEGMENT_END '(' exp ')'
- { $$ = exp_unop(DATA_SEGMENT_END, $3); }
+ { $$ = exp_unop (DATA_SEGMENT_END, $3); }
+ | SEGMENT_START '(' NAME ',' exp ')'
+ { /* The operands to the expression node are
+ placed in the opposite order from the way
+ in which they appear in the script as
+ that allows us to reuse more code in
+ fold_binary. */
+ $$ = exp_binop (SEGMENT_START,
+ $5,
+ exp_nameop (NAME, $3)); }
| BLOCK '(' exp ')'
- { $$ = exp_unop(ALIGN_K,$3); }
+ { $$ = exp_unop (ALIGN_K,$3); }
| NAME
- { $$ = exp_nameop(NAME,$1); }
+ { $$ = exp_nameop (NAME,$1); }
| MAX_K '(' exp ',' exp ')'
{ $$ = exp_binop (MAX_K, $3, $5 ); }
| MIN_K '(' exp ',' exp ')'
{ $$ = exp_binop (MIN_K, $3, $5 ); }
| ASSERT_K '(' exp ',' NAME ')'
{ $$ = exp_assert ($3, $5); }
+ | ORIGIN '(' NAME ')'
+ { $$ = exp_nameop (ORIGIN, $3); }
+ | LENGTH '(' NAME ')'
+ { $$ = exp_nameop (LENGTH, $3); }
;
projects / deliverable / binutils-gdb.git / blobdiff