/* 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 Free Software Foundation, Inc.
+ Copyright (C) 1991-2015 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 the 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 2 of the License, or
+ 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,
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
%{
/*
#define DONTDECLARE_MALLOC
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "bfdlink.h"
#include "ld.h"
#include "ldexp.h"
static enum section_type sectype;
static lang_memory_region_type *region;
-FILE *saved_script_handle = NULL;
-bfd_boolean force_make_executable = FALSE;
-
-bfd_boolean ldgram_in_script = FALSE;
-bfd_boolean ldgram_had_equals = FALSE;
bfd_boolean ldgram_had_keep = FALSE;
char *ldgram_vers_current_lang = NULL;
struct wildcard_spec wildcard;
struct wildcard_list *wildcard_list;
struct name_list *name_list;
+ struct flag_info_list *flag_info_list;
+ struct flag_info *flag_info;
int token;
union etree_union *etree;
struct phdr_info
}
%type <etree> exp opt_exp_with_type mustbe_exp opt_at phdr_type phdr_val
-%type <etree> opt_exp_without_type opt_subalign
+%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 <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
%token END
%left <token> '('
%token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE
-%token SECTIONS PHDRS DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END
-%token SORT_BY_NAME SORT_BY_ALIGNMENT
+%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 SORT_NONE
+%token SORT_BY_INIT_PRIORITY
%token '{' '}'
%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 MEMORY
+%token REGION_ALIAS
+%token LD_FEATURE
%token NOLOAD DSECT COPY INFO OVERLAY
-%token NAME LNAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY
+%token DEFINED TARGET_K SEARCH_DIR MAP ENTRY
%token <integer> NEXT
-%token SIZEOF ADDR LOADADDR MAX_K MIN_K
+%token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K
%token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS
%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
+%token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL INPUT_SECTION_FLAGS ALIGN_WITH_INPUT
%token EXCLUDE_FILE
+%token CONSTANT
%type <versyms> vers_defns
%type <versnode> vers_tag
%type <deflist> verdep
+%token INPUT_DYNAMIC_LIST
%%
INPUT_SCRIPT script_file
| INPUT_MRI_SCRIPT mri_script_file
| INPUT_VERSION_SCRIPT version_script_file
+ | INPUT_DYNAMIC_LIST dynamic_list_file
| INPUT_DEFSYM defsym_expr
;
NAME '=' exp
{
ldlex_popstate();
- lang_add_assignment(exp_assop($3,$2,$4));
+ lang_add_assignment (exp_defsym ($2, $4));
}
;
| casesymlist ',' NAME
;
+/* Parsed as expressions so that commas separate entries */
extern_name_list:
+ { ldlex_expression (); }
+ extern_name_list_body
+ { ldlex_popstate (); }
+
+extern_name_list_body:
NAME
- { ldlang_add_undef ($1); }
- | extern_name_list NAME
- { ldlang_add_undef ($2); }
- | extern_name_list ',' NAME
- { ldlang_add_undef ($3); }
+ { ldlang_add_undef ($1, FALSE); }
+ | extern_name_list_body NAME
+ { ldlang_add_undef ($2, FALSE); }
+ | extern_name_list_body ',' NAME
+ { ldlang_add_undef ($3, FALSE); }
;
script_file:
- {
- ldlex_both();
- }
- ifile_list
- {
- ldlex_popstate();
- }
+ { ldlex_both(); }
+ ifile_list
+ { ldlex_popstate(); }
;
-
ifile_list:
- ifile_list ifile_p1
+ ifile_list ifile_p1
|
;
-
ifile_p1:
memory
| sections
lang_add_nocrossref ($3);
}
| EXTERN '(' extern_name_list ')'
+ | INSERT_K AFTER NAME
+ { lang_add_insert ($3, 0); }
+ | INSERT_K BEFORE NAME
+ { lang_add_insert ($3, 1); }
+ | REGION_ALIAS '(' NAME ',' NAME ')'
+ { lang_memory_region_alias ($3, $5); }
+ | LD_FEATURE '(' NAME ')'
+ { lang_ld_feature ($3); }
;
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 '('
- { $<integer>$ = 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; }
+ { $<integer>$ = input_flags.add_DT_NEEDED_for_regular;
+ input_flags.add_DT_NEEDED_for_regular = TRUE; }
+ input_list1 ')'
+ { input_flags.add_DT_NEEDED_for_regular = $<integer>3; }
+ | input_list1 ',' AS_NEEDED '('
+ { $<integer>$ = input_flags.add_DT_NEEDED_for_regular;
+ input_flags.add_DT_NEEDED_for_regular = TRUE; }
+ input_list1 ')'
+ { input_flags.add_DT_NEEDED_for_regular = $<integer>5; }
+ | input_list1 AS_NEEDED '('
+ { $<integer>$ = input_flags.add_DT_NEEDED_for_regular;
+ input_flags.add_DT_NEEDED_for_regular = TRUE; }
+ input_list1 ')'
+ { input_flags.add_DT_NEEDED_for_regular = $<integer>4; }
;
sections:
$$.name = $1;
$$.sorted = none;
$$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
}
| EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name
{
$$.name = $5;
$$.sorted = none;
$$.exclude_name_list = $3;
+ $$.section_flag_list = NULL;
}
| SORT_BY_NAME '(' wildcard_name ')'
{
$$.name = $3;
$$.sorted = by_name;
$$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
}
| SORT_BY_ALIGNMENT '(' wildcard_name ')'
{
$$.name = $3;
$$.sorted = by_alignment;
$$.exclude_name_list = NULL;
+ $$.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 ')' ')'
{
$$.name = $5;
$$.sorted = by_name_alignment;
$$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
}
| SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_name ')' ')'
{
$$.name = $5;
$$.sorted = by_name;
$$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
}
| SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_name ')' ')'
{
$$.name = $5;
$$.sorted = by_alignment_name;
$$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
}
| SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')'
{
$$.name = $5;
$$.sorted = by_alignment;
$$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
}
| SORT_BY_NAME '(' EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name ')'
{
$$.name = $7;
$$.sorted = by_name;
$$.exclude_name_list = $5;
+ $$.section_flag_list = NULL;
+ }
+ | SORT_BY_INIT_PRIORITY '(' wildcard_name ')'
+ {
+ $$.name = $3;
+ $$.sorted = by_init_priority;
+ $$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
+ }
+ ;
+
+sect_flag_list: NAME
+ {
+ struct flag_info_list *n;
+ n = ((struct flag_info_list *) xmalloc (sizeof *n));
+ if ($1[0] == '!')
+ {
+ n->with = without_flags;
+ n->name = &$1[1];
+ }
+ else
+ {
+ n->with = with_flags;
+ n->name = $1;
+ }
+ n->valid = FALSE;
+ n->next = NULL;
+ $$ = n;
+ }
+ | sect_flag_list '&' NAME
+ {
+ struct flag_info_list *n;
+ n = ((struct flag_info_list *) xmalloc (sizeof *n));
+ if ($3[0] == '!')
+ {
+ n->with = without_flags;
+ n->name = &$3[1];
+ }
+ else
+ {
+ n->with = with_flags;
+ n->name = $3;
+ }
+ n->valid = FALSE;
+ n->next = $1;
+ $$ = n;
+ }
+ ;
+
+sect_flags:
+ INPUT_SECTION_FLAGS '(' sect_flag_list ')'
+ {
+ struct flag_info *n;
+ n = ((struct flag_info *) xmalloc (sizeof *n));
+ n->flag_list = $3;
+ n->flags_initialized = FALSE;
+ n->not_with_flags = 0;
+ n->only_with_flags = 0;
+ $$ = n;
}
;
tmp.name = $1;
tmp.exclude_name_list = NULL;
tmp.sorted = none;
+ tmp.section_flag_list = NULL;
+ lang_add_wild (&tmp, NULL, ldgram_had_keep);
+ }
+ | sect_flags NAME
+ {
+ struct wildcard_spec tmp;
+ tmp.name = $2;
+ tmp.exclude_name_list = NULL;
+ tmp.sorted = none;
+ tmp.section_flag_list = $1;
lang_add_wild (&tmp, NULL, ldgram_had_keep);
}
| '[' file_NAME_list ']'
{
lang_add_wild (NULL, $2, ldgram_had_keep);
}
+ | sect_flags '[' file_NAME_list ']'
+ {
+ struct wildcard_spec tmp;
+ tmp.name = NULL;
+ tmp.exclude_name_list = NULL;
+ tmp.sorted = none;
+ tmp.section_flag_list = $1;
+ lang_add_wild (&tmp, $3, ldgram_had_keep);
+ }
| wildcard_spec '(' file_NAME_list ')'
{
lang_add_wild (&$1, $3, ldgram_had_keep);
}
+ | sect_flags wildcard_spec '(' file_NAME_list ')'
+ {
+ $2.section_flag_list = $1;
+ lang_add_wild (&$2, $4, ldgram_had_keep);
+ }
;
input_section_spec:
{
lang_add_fill ($3);
}
+ | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' end
+ { ldlex_popstate ();
+ lang_add_assignment (exp_assert ($4, $6)); }
+ | INCLUDE filename
+ { ldlex_script (); ldfile_open_command_file($2); }
+ statement_list_opt END
+ { ldlex_popstate (); }
;
statement_list:
assignment:
NAME '=' mustbe_exp
{
- lang_add_assignment (exp_assop ($2, $1, $3));
+ lang_add_assignment (exp_assign ($1, $3, FALSE));
}
| NAME assign_op mustbe_exp
{
- lang_add_assignment (exp_assop ('=', $1,
- exp_binop ($2,
- exp_nameop (NAME,
- $1),
- $3)));
+ lang_add_assignment (exp_assign ($1,
+ exp_binop ($2,
+ exp_nameop (NAME,
+ $1),
+ $3), FALSE));
+ }
+ | HIDDEN '(' NAME '=' mustbe_exp ')'
+ {
+ lang_add_assignment (exp_assign ($3, $5, TRUE));
}
| PROVIDE '(' NAME '=' mustbe_exp ')'
{
memory:
- MEMORY '{' memory_spec memory_spec_list '}'
+ MEMORY '{' memory_spec_list_opt '}'
;
+memory_spec_list_opt: memory_spec_list | ;
+
memory_spec_list:
- memory_spec_list memory_spec
- | memory_spec_list ',' memory_spec
- |
+ memory_spec_list opt_comma memory_spec
+ | memory_spec
;
attributes_opt ':'
origin_spec opt_comma length_spec
{}
+ | INCLUDE filename
+ { ldlex_script (); ldfile_open_command_file($2); }
+ memory_spec_list_opt END
+ { ldlex_popstate (); }
;
origin_spec:
| SIZEOF_HEADERS
{ $$ = exp_nameop (SIZEOF_HEADERS,0); }
+ | ALIGNOF '(' NAME ')'
+ { $$ = exp_nameop (ALIGNOF,$3); }
| SIZEOF '(' NAME ')'
{ $$ = exp_nameop (SIZEOF,$3); }
| ADDR '(' NAME ')'
{ $$ = exp_nameop (ADDR,$3); }
| LOADADDR '(' NAME ')'
{ $$ = exp_nameop (LOADADDR,$3); }
+ | CONSTANT '(' NAME ')'
+ { $$ = exp_nameop (CONSTANT,$3); }
| ABSOLUTE '(' exp ')'
{ $$ = exp_unop (ABSOLUTE, $3); }
| ALIGN_K '(' exp ')'
{ $$ = exp_nameop (ORIGIN, $3); }
| LENGTH '(' NAME ')'
{ $$ = exp_nameop (LENGTH, $3); }
+ | LOG2CEIL '(' exp ')'
+ { $$ = exp_unop (LOG2CEIL, $3); }
;
| { $$ = 0; }
;
+opt_align:
+ ALIGN_K '(' exp ')' { $$ = $3; }
+ | { $$ = 0; }
+ ;
+
+opt_align_with_input:
+ ALIGN_WITH_INPUT { $$ = ALIGN_WITH_INPUT; }
+ | { $$ = 0; }
+ ;
+
opt_subalign:
SUBALIGN '(' exp ')' { $$ = $3; }
| { $$ = 0; }
section: NAME { ldlex_expression(); }
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,
- 0, $5, $4, $7);
+ $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 ($16, $13, $15, $14);
+ lang_leave_output_section_statement ($18, $15, $17, $16);
}
opt_comma
{}
opt_exp_with_type
{
ldlex_popstate ();
- lang_add_assignment (exp_assop ('=', ".", $3));
+ lang_add_assignment (exp_assign (".", $3, FALSE));
}
'{' sec_or_group_p1 '}'
+ | INCLUDE filename
+ { ldlex_script (); ldfile_open_command_file($2); }
+ sec_or_group_p1 END
+ { ldlex_popstate (); }
;
type:
NOLOAD { sectype = noload_section; }
- | DSECT { sectype = dsect_section; }
- | COPY { sectype = copy_section; }
- | INFO { sectype = info_section; }
- | OVERLAY { sectype = overlay_section; }
+ | DSECT { sectype = noalloc_section; }
+ | COPY { sectype = noalloc_section; }
+ | INFO { sectype = noalloc_section; }
+ | OVERLAY { sectype = noalloc_section; }
;
atype:
{
einfo (_("\
%X%P:%S: unknown phdr type `%s' (try integer literal)\n"),
- s);
+ NULL, s);
$$ = exp_intop (0);
}
}
else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL)
$$.flags = $2;
else
- einfo (_("%X%P:%S: PHDRS syntax error at `%s'\n"), $1);
+ einfo (_("%X%P:%S: PHDRS syntax error at `%s'\n"),
+ NULL, $1);
}
| AT '(' exp ')' phdr_qualifiers
{
}
;
+dynamic_list_file:
+ {
+ ldlex_version_file ();
+ PUSH_ERROR (_("dynamic list"));
+ }
+ dynamic_list_nodes
+ {
+ ldlex_popstate ();
+ POP_ERROR ();
+ }
+ ;
+
+dynamic_list_nodes:
+ dynamic_list_node
+ | dynamic_list_nodes dynamic_list_node
+ ;
+
+dynamic_list_node:
+ '{' dynamic_list_tag '}' ';'
+ ;
+
+dynamic_list_tag:
+ vers_defns ';'
+ {
+ lang_append_dynamic_list ($1);
+ }
+ ;
+
/* This syntax is used within an external version script file. */
version_script_file:
vers_defns:
VERS_IDENTIFIER
{
- $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang);
+ $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, FALSE);
+ }
+ | NAME
+ {
+ $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, TRUE);
}
| vers_defns ';' VERS_IDENTIFIER
{
- $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang);
+ $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, FALSE);
+ }
+ | vers_defns ';' NAME
+ {
+ $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, TRUE);
}
| vers_defns ';' EXTERN NAME '{'
{
}
| GLOBAL
{
- $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang);
+ $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, FALSE);
}
| vers_defns ';' GLOBAL
{
- $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang);
+ $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, FALSE);
}
| LOCAL
{
- $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang);
+ $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, FALSE);
}
| vers_defns ';' LOCAL
{
- $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang);
+ $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, FALSE);
}
| EXTERN
{
- $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang);
+ $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, FALSE);
}
| vers_defns ';' EXTERN
{
- $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang);
+ $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, FALSE);
}
;
{
if (ldfile_assumed_script)
einfo (_("%P:%s: file format not recognized; treating as linker script\n"),
- ldfile_input_filename);
+ ldlex_filename ());
if (error_index > 0 && error_index < ERROR_NAME_MAX)
- einfo ("%P%F:%S: %s in %s\n", arg, error_names[error_index-1]);
+ einfo ("%P%F:%S: %s in %s\n", NULL, arg, error_names[error_index - 1]);
else
- einfo ("%P%F:%S: %s\n", arg);
+ einfo ("%P%F:%S: %s\n", NULL, arg);
}
projects / deliverable / binutils-gdb.git / blobdiff