/* 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, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 1991-2016 Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
This file is part of the GNU Binutils.
%token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE
%token SECTIONS PHDRS INSERT_K AFTER BEFORE
%token DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END
-%token SORT_BY_NAME SORT_BY_ALIGNMENT
+%token SORT_BY_NAME SORT_BY_ALIGNMENT SORT_NONE
%token SORT_BY_INIT_PRIORITY
%token '{' '}'
%token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
%token DEFINED TARGET_K SEARCH_DIR MAP ENTRY
%token <integer> NEXT
%token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K
-%token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS
+%token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS NOCROSSREFS_TO
%token ORIGIN FILL
%token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS
-%token ALIGNMOD AT SUBALIGN PROVIDE PROVIDE_HIDDEN AS_NEEDED
-%type <token> assign_op atype attributes_opt sect_constraint
+%token ALIGNMOD AT SUBALIGN HIDDEN PROVIDE PROVIDE_HIDDEN AS_NEEDED
+%type <token> assign_op atype attributes_opt sect_constraint opt_align_with_input
%type <name> filename
%token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K
-%token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL
+%token LOG2CEIL FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL
%token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START
%token <name> VERS_TAG VERS_IDENTIFIER
%token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT
-%token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL INPUT_SECTION_FLAGS
+%token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL INPUT_SECTION_FLAGS ALIGN_WITH_INPUT
%token EXCLUDE_FILE
%token CONSTANT
%type <versyms> vers_defns
{
lang_add_nocrossref ($3);
}
+ | NOCROSSREFS_TO '(' nocrossref_list ')'
+ {
+ lang_add_nocrossref_to ($3);
+ }
| EXTERN '(' extern_name_list ')'
| INSERT_K AFTER NAME
{ lang_add_insert ($3, 0); }
;
input_list:
+ { ldlex_inputlist(); }
+ input_list1
+ { ldlex_popstate(); }
+
+input_list1:
NAME
{ lang_add_input_file($1,lang_input_file_is_search_file_enum,
(char *)NULL); }
- | input_list ',' NAME
+ | input_list1 ',' NAME
{ lang_add_input_file($3,lang_input_file_is_search_file_enum,
(char *)NULL); }
- | input_list NAME
+ | input_list1 NAME
{ lang_add_input_file($2,lang_input_file_is_search_file_enum,
(char *)NULL); }
| LNAME
{ lang_add_input_file($1,lang_input_file_is_l_enum,
(char *)NULL); }
- | input_list ',' LNAME
+ | input_list1 ',' LNAME
{ lang_add_input_file($3,lang_input_file_is_l_enum,
(char *)NULL); }
- | input_list LNAME
+ | input_list1 LNAME
{ lang_add_input_file($2,lang_input_file_is_l_enum,
(char *)NULL); }
| AS_NEEDED '('
{ $<integer>$ = input_flags.add_DT_NEEDED_for_regular;
input_flags.add_DT_NEEDED_for_regular = TRUE; }
- input_list ')'
+ input_list1 ')'
{ input_flags.add_DT_NEEDED_for_regular = $<integer>3; }
- | input_list ',' AS_NEEDED '('
+ | input_list1 ',' AS_NEEDED '('
{ $<integer>$ = input_flags.add_DT_NEEDED_for_regular;
input_flags.add_DT_NEEDED_for_regular = TRUE; }
- input_list ')'
+ input_list1 ')'
{ input_flags.add_DT_NEEDED_for_regular = $<integer>5; }
- | input_list AS_NEEDED '('
+ | input_list1 AS_NEEDED '('
{ $<integer>$ = input_flags.add_DT_NEEDED_for_regular;
input_flags.add_DT_NEEDED_for_regular = TRUE; }
- input_list ')'
+ input_list1 ')'
{ input_flags.add_DT_NEEDED_for_regular = $<integer>4; }
;
$$.exclude_name_list = NULL;
$$.section_flag_list = NULL;
}
+ | SORT_NONE '(' wildcard_name ')'
+ {
+ $$.name = $3;
+ $$.sorted = by_none;
+ $$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
+ }
| SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')'
{
$$.name = $5;
assignment:
NAME '=' mustbe_exp
{
- lang_add_assignment (exp_assign ($1, $3));
+ lang_add_assignment (exp_assign ($1, $3, FALSE));
}
| NAME assign_op mustbe_exp
{
exp_binop ($2,
exp_nameop (NAME,
$1),
- $3)));
+ $3), FALSE));
+ }
+ | HIDDEN '(' NAME '=' mustbe_exp ')'
+ {
+ lang_add_assignment (exp_assign ($3, $5, TRUE));
}
| PROVIDE '(' NAME '=' mustbe_exp ')'
{
origin_spec:
ORIGIN '=' mustbe_exp
{
- region->origin = exp_get_vma ($3, 0, "origin");
+ region->origin_exp = $3;
region->current = region->origin;
}
;
length_spec:
LENGTH '=' mustbe_exp
{
- region->length = exp_get_vma ($3, -1, "length");
+ region->length_exp = $3;
}
;
{ $$ = exp_nameop (ORIGIN, $3); }
| LENGTH '(' NAME ')'
{ $$ = exp_nameop (LENGTH, $3); }
+ | LOG2CEIL '(' exp ')'
+ { $$ = exp_unop (LOG2CEIL, $3); }
;
| { $$ = 0; }
;
+opt_align_with_input:
+ ALIGN_WITH_INPUT { $$ = ALIGN_WITH_INPUT; }
+ | { $$ = 0; }
+ ;
+
opt_subalign:
SUBALIGN '(' exp ')' { $$ = $3; }
| { $$ = 0; }
opt_exp_with_type
opt_at
opt_align
+ opt_align_with_input
opt_subalign { ldlex_popstate (); ldlex_script (); }
sect_constraint
'{'
{
lang_enter_output_section_statement($1, $3,
sectype,
- $5, $6, $4, $8);
+ $5, $7, $4, $9, $6);
}
statement_list_opt
'}' { ldlex_popstate (); ldlex_expression (); }
memspec_opt memspec_at_opt phdr_opt fill_opt
{
ldlex_popstate ();
- lang_leave_output_section_statement ($17, $14, $16, $15);
+ lang_leave_output_section_statement ($18, $15, $17, $16);
}
opt_comma
{}
opt_exp_with_type
{
ldlex_popstate ();
- lang_add_assignment (exp_assign (".", $3));
+ lang_add_assignment (exp_assign (".", $3, FALSE));
}
'{' sec_or_group_p1 '}'
| INCLUDE filename