/* 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) 1991-2017 Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
This file is part of the GNU Binutils.
static enum section_type sectype;
static lang_memory_region_type *region;
-bfd_boolean ldgram_had_keep = FALSE;
-char *ldgram_vers_current_lang = NULL;
+static bfd_boolean ldgram_had_keep = FALSE;
+static char *ldgram_vers_current_lang = NULL;
#define ERROR_NAME_MAX 20
static char *error_names[ERROR_NAME_MAX];
%type <etree> opt_exp_without_type opt_subalign opt_align
%type <fill> fill_opt fill_exp
%type <name_list> exclude_name_list
-%type <wildcard_list> file_NAME_list
+%type <wildcard_list> section_name_list
%type <flag_info_list> sect_flag_list
%type <flag_info> sect_flags
%type <name> memspec_opt casesymlist
%type <name> memspec_at_opt
%type <cname> wildcard_name
-%type <wildcard> wildcard_spec
+%type <wildcard> section_name_spec filename_spec wildcard_maybe_exclude
%token <bigint> INT
%token <name> NAME LNAME
%type <integer> length
%token SORT_BY_INIT_PRIORITY
%token '{' '}'
%token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
-%token INHIBIT_COMMON_ALLOCATION
+%token INHIBIT_COMMON_ALLOCATION FORCE_GROUP_ALLOCATION
%token SEGMENT_START
%token INCLUDE
%token MEMORY
%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
{ ldfile_set_output_arch ($3, bfd_arch_unknown); }
| FORCE_COMMON_ALLOCATION
{ command_line.force_common_definition = TRUE ; }
+ | FORCE_GROUP_ALLOCATION
+ { command_line.force_group_allocation = TRUE ; }
| INHIBIT_COMMON_ALLOCATION
- { command_line.inhibit_common_definition = TRUE ; }
+ { link_info.inhibit_common_definition = TRUE ; }
| INPUT '(' input_list ')'
| GROUP
{ lang_enter_group (); }
{
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; }
;
}
;
-wildcard_spec:
+wildcard_maybe_exclude:
wildcard_name
{
$$.name = $1;
$$.exclude_name_list = $3;
$$.section_flag_list = NULL;
}
- | SORT_BY_NAME '(' wildcard_name ')'
+ ;
+
+filename_spec:
+ wildcard_maybe_exclude
+ | SORT_BY_NAME '(' wildcard_maybe_exclude ')'
{
- $$.name = $3;
+ $$ = $3;
$$.sorted = by_name;
- $$.exclude_name_list = NULL;
- $$.section_flag_list = NULL;
}
- | SORT_BY_ALIGNMENT '(' wildcard_name ')'
+ | SORT_NONE '(' wildcard_maybe_exclude ')'
+ {
+ $$ = $3;
+ $$.sorted = by_none;
+ }
+ ;
+
+section_name_spec:
+ wildcard_maybe_exclude
+ | SORT_BY_NAME '(' wildcard_maybe_exclude ')'
{
- $$.name = $3;
+ $$ = $3;
+ $$.sorted = by_name;
+ }
+ | SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')'
+ {
+ $$ = $3;
$$.sorted = by_alignment;
- $$.exclude_name_list = NULL;
- $$.section_flag_list = NULL;
}
- | SORT_NONE '(' wildcard_name ')'
+ | SORT_NONE '(' wildcard_maybe_exclude ')'
{
- $$.name = $3;
+ $$ = $3;
$$.sorted = by_none;
- $$.exclude_name_list = NULL;
- $$.section_flag_list = NULL;
}
- | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')'
+ | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')'
{
- $$.name = $5;
+ $$ = $5;
$$.sorted = by_name_alignment;
- $$.exclude_name_list = NULL;
- $$.section_flag_list = NULL;
}
- | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_name ')' ')'
+ | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')'
{
- $$.name = $5;
+ $$ = $5;
$$.sorted = by_name;
- $$.exclude_name_list = NULL;
- $$.section_flag_list = NULL;
}
- | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_name ')' ')'
+ | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')'
{
- $$.name = $5;
+ $$ = $5;
$$.sorted = by_alignment_name;
- $$.exclude_name_list = NULL;
- $$.section_flag_list = NULL;
}
- | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')'
+ | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')'
{
- $$.name = $5;
+ $$ = $5;
$$.sorted = by_alignment;
- $$.exclude_name_list = NULL;
- $$.section_flag_list = NULL;
}
- | SORT_BY_NAME '(' EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name ')'
+ | SORT_BY_INIT_PRIORITY '(' wildcard_maybe_exclude ')'
{
- $$.name = $7;
- $$.sorted = by_name;
- $$.exclude_name_list = $5;
- $$.section_flag_list = NULL;
- }
- | SORT_BY_INIT_PRIORITY '(' wildcard_name ')'
- {
- $$.name = $3;
+ $$ = $3;
$$.sorted = by_init_priority;
- $$.exclude_name_list = NULL;
- $$.section_flag_list = NULL;
}
;
}
;
-file_NAME_list:
- file_NAME_list opt_comma wildcard_spec
+section_name_list:
+ section_name_list opt_comma section_name_spec
{
struct wildcard_list *tmp;
tmp = (struct wildcard_list *) xmalloc (sizeof *tmp);
$$ = tmp;
}
|
- wildcard_spec
+ section_name_spec
{
struct wildcard_list *tmp;
tmp = (struct wildcard_list *) xmalloc (sizeof *tmp);
tmp.section_flag_list = $1;
lang_add_wild (&tmp, NULL, ldgram_had_keep);
}
- | '[' file_NAME_list ']'
+ | '[' section_name_list ']'
{
lang_add_wild (NULL, $2, ldgram_had_keep);
}
- | sect_flags '[' file_NAME_list ']'
+ | sect_flags '[' section_name_list ']'
{
struct wildcard_spec tmp;
tmp.name = NULL;
tmp.section_flag_list = $1;
lang_add_wild (&tmp, $3, ldgram_had_keep);
}
- | wildcard_spec '(' file_NAME_list ')'
+ | filename_spec '(' section_name_list ')'
{
lang_add_wild (&$1, $3, ldgram_had_keep);
}
- | sect_flags wildcard_spec '(' file_NAME_list ')'
+ | sect_flags filename_spec '(' section_name_list ')'
{
$2.section_flag_list = $1;
lang_add_wild (&$2, $4, ldgram_had_keep);
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
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