/* 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 Free Software Foundation, Inc.
+ Copyright (C) 1991-2020 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
-(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 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.
+ 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., 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 "ctf-api.h"
+#include "ld.h"
#include "ldexp.h"
#include "ldver.h"
#include "ldlang.h"
#endif
static enum section_type sectype;
+static lang_memory_region_type *region;
-lang_memory_region_type *region;
-
-boolean ldgram_want_filename = true;
-FILE * saved_script_handle = NULL;
-boolean force_make_executable = false;
-
-boolean ldgram_in_script = false;
-boolean ldgram_had_equals = false;
-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];
%}
%union {
bfd_vma integer;
+ struct big_int
+ {
+ bfd_vma integer;
+ char *str;
+ } bigint;
+ fill_type *fill;
char *name;
const char *cname;
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
{
- boolean filehdr;
- boolean phdrs;
+ bfd_boolean filehdr;
+ bfd_boolean phdrs;
union etree_union *at;
union etree_union *flags;
} phdr;
}
%type <etree> exp opt_exp_with_type mustbe_exp opt_at phdr_type phdr_val
-%type <etree> opt_exp_without_type
-%type <integer> fill_opt
+%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
-%token <integer> INT
+%type <wildcard> section_name_spec filename_spec wildcard_maybe_exclude
+%token <bigint> INT
%token <name> NAME LNAME
%type <integer> length
%type <phdr> phdr_qualifiers
%type <section_phdr> phdr_opt
%type <integer> opt_nocrossrefs
-%right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ
+%right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ
%right <token> '?' ':'
%left <token> OROR
%left <token> ANDAND
%left <token> '*' '/' '%'
%right UNARY
-%token END
+%token END
%left <token> '('
%token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE
-%token SECTIONS PHDRS SORT DATA_SEGMENT_ALIGN DATA_SEGMENT_END
+%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 INHIBIT_COMMON_ALLOCATION FORCE_GROUP_ALLOCATION
+%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 STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS
+%token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K
+%token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS NOCROSSREFS_TO
%token ORIGIN FILL
%token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS
-%token ALIGNMOD AT PROVIDE
-%type <token> assign_op atype attributes_opt
+%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
+%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
%%
-file:
+file:
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));
}
+ ;
-/* SYNTAX WITHIN AN MRI SCRIPT FILE */
+/* SYNTAX WITHIN AN MRI SCRIPT FILE */
mri_script_file:
{
ldlex_mri_script ();
mri_script_lines:
mri_script_lines mri_script_command NEWLINE
- |
+ |
;
mri_script_command:
- CHIP exp
+ CHIP exp
| CHIP exp ',' exp
- | NAME {
- einfo(_("%P%F: unrecognised keyword in MRI style script '%s'\n"),$1);
+ | NAME {
+ einfo(_("%F%P: unrecognised keyword in MRI style script '%s'\n"),$1);
}
- | LIST {
+ | LIST {
config.map_filename = "-";
}
- | ORDER ordernamelist
- | ENDWORD
- | PUBLIC NAME '=' exp
- { mri_public($2, $4); }
- | PUBLIC NAME ',' exp
- { mri_public($2, $4); }
- | PUBLIC NAME exp
- { mri_public($2, $3); }
- | FORMAT NAME
+ | ORDER ordernamelist
+ | ENDWORD
+ | PUBLIC NAME '=' exp
+ { mri_public($2, $4); }
+ | PUBLIC NAME ',' exp
+ { mri_public($2, $4); }
+ | PUBLIC NAME exp
+ { mri_public($2, $3); }
+ | FORMAT NAME
{ mri_format($2); }
| SECT NAME ',' exp
{ mri_output_section($2, $4);}
{ mri_alignmod($2,$4); }
| ABSOLUTE mri_abs_name_list
| LOAD mri_load_name_list
- | NAMEWORD NAME
- { mri_name($2); }
+ | NAMEWORD NAME
+ { mri_name($2); }
| ALIAS NAME ',' NAME
{ mri_alias($2,$4,0);}
| ALIAS NAME ',' INT
- { mri_alias($2,0,(int) $4);}
- | BASE exp
+ { mri_alias ($2, 0, (int) $4.integer); }
+ | BASE exp
{ mri_base($2); }
- | TRUNCATE INT
- { mri_truncate((unsigned int) $2); }
+ | TRUNCATE INT
+ { mri_truncate ((unsigned int) $2.integer); }
| CASE casesymlist
| EXTERN extern_name_list
| INCLUDE filename
mri_script_lines END
{ ldlex_popstate (); }
| START NAME
- { lang_add_entry ($2, false); }
- |
+ { lang_add_entry ($2, FALSE); }
+ |
;
ordernamelist:
- ordernamelist ',' NAME { mri_order($3); }
- | ordernamelist NAME { mri_order($2); }
- |
+ ordernamelist ',' NAME { mri_order($3); }
+ | ordernamelist NAME { mri_order($2); }
+ |
;
mri_load_name_list:
;
mri_abs_name_list:
- NAME
- { mri_only_load($1); }
+ NAME
+ { mri_only_load($1); }
| mri_abs_name_list ',' NAME
- { mri_only_load($3); }
+ { mri_only_load($3); }
;
casesymlist:
| 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
| floating_point_support
| statement_anywhere
| version
- | ';'
+ | ';'
| TARGET_K '(' NAME ')'
{ lang_add_target($3); }
| SEARCH_DIR '(' filename ')'
- { ldfile_add_library_path ($3, false); }
+ { ldfile_add_library_path ($3, FALSE); }
| OUTPUT '(' filename ')'
{ lang_add_output($3, 1); }
- | OUTPUT_FORMAT '(' NAME ')'
+ | OUTPUT_FORMAT '(' NAME ')'
{ lang_add_output_format ($3, (char *) NULL,
(char *) NULL, 1); }
| OUTPUT_FORMAT '(' NAME ',' NAME ',' NAME ')'
{ lang_add_output_format ($3, $5, $7, 1); }
- | OUTPUT_ARCH '(' NAME ')'
- { ldfile_set_output_arch($3); }
+ | OUTPUT_ARCH '(' NAME ')'
+ { ldfile_set_output_arch ($3, bfd_arch_unknown); }
| FORCE_COMMON_ALLOCATION
- { command_line.force_common_definition = true ; }
+ { 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 (); }
'(' input_list ')'
{ lang_leave_group (); }
- | MAP '(' filename ')'
+ | MAP '(' filename ')'
{ lang_add_map($3); }
- | INCLUDE filename
+ | INCLUDE filename
{ ldlex_script (); ldfile_open_command_file($2); }
ifile_list END
{ ldlex_popstate (); }
{
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); }
+ | 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 '('
+ { $<integer>$ = 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:
statement_anywhere:
ENTRY '(' NAME ')'
- { lang_add_entry ($3, false); }
+ { lang_add_entry ($3, FALSE); }
| assignment end
+ | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')'
+ { ldlex_popstate ();
+ lang_add_assignment (exp_assert ($4, $6)); }
;
/* The '*' and '?' cases are there because the lexer returns them as
}
;
-wildcard_spec:
+wildcard_maybe_exclude:
wildcard_name
{
$$.name = $1;
- $$.sorted = false;
+ $$.sorted = none;
$$.exclude_name_list = NULL;
+ $$.section_flag_list = NULL;
}
- | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name
+ | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name
{
$$.name = $5;
- $$.sorted = false;
+ $$.sorted = none;
$$.exclude_name_list = $3;
+ $$.section_flag_list = NULL;
}
- | SORT '(' wildcard_name ')'
+ ;
+
+filename_spec:
+ wildcard_maybe_exclude
+ | SORT_BY_NAME '(' wildcard_maybe_exclude ')'
{
- $$.name = $3;
- $$.sorted = true;
- $$.exclude_name_list = NULL;
+ $$ = $3;
+ $$.sorted = by_name;
}
- | SORT '(' EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name ')'
+ | SORT_NONE '(' wildcard_maybe_exclude ')'
{
- $$.name = $7;
- $$.sorted = true;
- $$.exclude_name_list = $5;
+ $$ = $3;
+ $$.sorted = by_none;
+ }
+ ;
+
+section_name_spec:
+ wildcard_maybe_exclude
+ | SORT_BY_NAME '(' wildcard_maybe_exclude ')'
+ {
+ $$ = $3;
+ $$.sorted = by_name;
+ }
+ | SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')'
+ {
+ $$ = $3;
+ $$.sorted = by_alignment;
+ }
+ | SORT_NONE '(' wildcard_maybe_exclude ')'
+ {
+ $$ = $3;
+ $$.sorted = by_none;
+ }
+ | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')'
+ {
+ $$ = $5;
+ $$.sorted = by_name_alignment;
+ }
+ | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')'
+ {
+ $$ = $5;
+ $$.sorted = by_name;
+ }
+ | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')'
+ {
+ $$ = $5;
+ $$.sorted = by_alignment_name;
+ }
+ | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')'
+ {
+ $$ = $5;
+ $$.sorted = by_alignment;
+ }
+ | SORT_BY_INIT_PRIORITY '(' wildcard_maybe_exclude ')'
+ {
+ $$ = $3;
+ $$.sorted = by_init_priority;
+ }
+ ;
+
+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;
+ $$ = n;
}
;
tmp = (struct name_list *) xmalloc (sizeof *tmp);
tmp->name = $2;
tmp->next = $1;
- $$ = tmp;
+ $$ = tmp;
}
|
wildcard_name
}
;
-file_NAME_list:
- file_NAME_list opt_comma wildcard_spec
+section_name_list:
+ section_name_list opt_comma section_name_spec
{
struct wildcard_list *tmp;
tmp = (struct wildcard_list *) xmalloc (sizeof *tmp);
$$ = tmp;
}
|
- wildcard_spec
+ section_name_spec
{
struct wildcard_list *tmp;
tmp = (struct wildcard_list *) xmalloc (sizeof *tmp);
struct wildcard_spec tmp;
tmp.name = $1;
tmp.exclude_name_list = NULL;
- tmp.sorted = false;
+ 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 ']'
+ | '[' section_name_list ']'
{
lang_add_wild (NULL, $2, ldgram_had_keep);
}
- | wildcard_spec '(' file_NAME_list ')'
+ | sect_flags '[' section_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);
+ }
+ | filename_spec '(' section_name_list ')'
{
lang_add_wild (&$1, $3, ldgram_had_keep);
}
+ | sect_flags filename_spec '(' section_name_list ')'
+ {
+ $2.section_flag_list = $1;
+ lang_add_wild (&$2, $4, ldgram_had_keep);
+ }
;
input_section_spec:
input_section_spec_no_keep
| KEEP '('
- { ldgram_had_keep = true; }
+ { ldgram_had_keep = TRUE; }
input_section_spec_no_keep ')'
- { ldgram_had_keep = false; }
+ { ldgram_had_keep = FALSE; }
;
statement:
- assignment end
+ assignment end
| CREATE_OBJECT_SYMBOLS
{
- lang_add_attribute(lang_object_symbols_statement_enum);
- }
- | ';'
- | CONSTRUCTORS
+ lang_add_attribute(lang_object_symbols_statement_enum);
+ }
+ | ';'
+ | CONSTRUCTORS
{
-
- lang_add_attribute(lang_constructors_statement_enum);
+
+ lang_add_attribute(lang_constructors_statement_enum);
}
- | SORT '(' CONSTRUCTORS ')'
+ | SORT_BY_NAME '(' CONSTRUCTORS ')'
{
- constructors_sorted = true;
+ constructors_sorted = TRUE;
lang_add_attribute (lang_constructors_statement_enum);
}
| input_section_spec
- | length '(' mustbe_exp ')'
- {
- lang_add_data((int) $1,$3);
- }
-
- | FILL '(' mustbe_exp ')'
- {
- lang_add_fill
- (exp_get_value_int($3,
- 0,
- "fill value",
- lang_first_phase_enum));
- }
+ | length '(' mustbe_exp ')'
+ {
+ lang_add_data ((int) $1, $3);
+ }
+
+ | FILL '(' fill_exp ')'
+ {
+ 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:
statement_list statement
- | statement
+ | statement
;
-
+
statement_list_opt:
/* empty */
| statement_list
{ $$ = $1; }
| LONG
{ $$ = $1; }
- | SHORT
+ | SHORT
{ $$ = $1; }
| BYTE
{ $$ = $1; }
;
-fill_opt:
- '=' mustbe_exp
+fill_exp:
+ mustbe_exp
{
- $$ = exp_get_value_int($2,
- 0,
- "fill value",
- lang_first_phase_enum);
+ $$ = exp_get_fill ($1, 0, "fill value");
}
- | { $$ = 0; }
;
-
+fill_opt:
+ '=' fill_exp
+ { $$ = $2; }
+ | { $$ = (fill_type *) 0; }
+ ;
assign_op:
PLUSEQ
{ $$ = '+'; }
| MINUSEQ
{ $$ = '-'; }
- | MULTEQ
+ | MULTEQ
{ $$ = '*'; }
- | DIVEQ
+ | DIVEQ
{ $$ = '/'; }
- | LSHIFTEQ
+ | LSHIFTEQ
{ $$ = LSHIFT; }
- | RSHIFTEQ
+ | RSHIFTEQ
{ $$ = RSHIFT; }
- | ANDEQ
+ | ANDEQ
{ $$ = '&'; }
- | OREQ
+ | OREQ
{ $$ = '|'; }
;
assignment:
NAME '=' mustbe_exp
{
- lang_add_assignment (exp_assop ($2, $1, $3));
+ lang_add_assignment (exp_assign ($1, $3, FALSE));
}
| NAME assign_op mustbe_exp
{
- lang_add_assignment (exp_assop ('=', $1,
- exp_binop ($2,
- exp_nameop (NAME,
- $1),
- $3)));
+ lang_add_assignment (exp_assign ($1,
+ exp_binop ($2,
+ exp_nameop (NAME,
+ $1),
+ $3), FALSE));
+ }
+ | HIDDEN '(' NAME '=' mustbe_exp ')'
+ {
+ lang_add_assignment (exp_assign ($3, $5, TRUE));
}
| PROVIDE '(' NAME '=' mustbe_exp ')'
{
- lang_add_assignment (exp_provide ($3, $5));
+ lang_add_assignment (exp_provide ($3, $5, FALSE));
+ }
+ | PROVIDE_HIDDEN '(' NAME '=' mustbe_exp ')'
+ {
+ lang_add_assignment (exp_provide ($3, $5, TRUE));
}
;
memory:
- MEMORY '{' memory_spec memory_spec_list '}'
+ MEMORY '{' memory_spec_list_opt '}'
;
+memory_spec_list_opt: memory_spec_list | ;
+
memory_spec_list:
- memory_spec_list memory_spec
- | memory_spec_list ',' memory_spec
- |
+ memory_spec_list opt_comma memory_spec
+ | memory_spec
;
-memory_spec: NAME
- { region = lang_memory_region_lookup($1); }
+memory_spec: NAME
+ { region = lang_memory_region_lookup ($1, TRUE); }
attributes_opt ':'
origin_spec opt_comma length_spec
-
+ {}
+ | INCLUDE filename
+ { ldlex_script (); ldfile_open_command_file($2); }
+ memory_spec_list_opt END
+ { ldlex_popstate (); }
;
origin_spec:
ORIGIN '=' mustbe_exp
- { region->current =
- region->origin =
- exp_get_vma($3, 0L,"origin", lang_first_phase_enum);
-}
+ {
+ region->origin_exp = $3;
+ }
;
length_spec:
- LENGTH '=' mustbe_exp
- { region->length = exp_get_vma($3,
- ~((bfd_vma)0),
- "length",
- lang_first_phase_enum);
+ LENGTH '=' mustbe_exp
+ {
+ region->length_exp = $3;
}
;
floating_point_support:
FLOAT
- { lang_float(true); }
+ { lang_float(TRUE); }
| NOFLOAT
- { lang_float(false); }
+ { lang_float(FALSE); }
;
-
+
nocrossref_list:
/* empty */
{
}
;
-mustbe_exp: { ldlex_expression(); }
+mustbe_exp: { ldlex_expression (); }
exp
- { ldlex_popstate(); $$=$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 GE exp
- { $$ = exp_binop(GE , $1, $3); }
+ { $$ = exp_binop (LE , $1, $3); }
+ | exp GE exp
+ { $$ = exp_binop (GE , $1, $3); }
| exp '<' exp
- { $$ = 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_intop($1); }
- | SIZEOF_HEADERS
- { $$ = exp_nameop(SIZEOF_HEADERS,0); }
+ { $$ = exp_bigintop ($1.integer, $1.str); }
+ | SIZEOF_HEADERS
+ { $$ = exp_nameop (SIZEOF_HEADERS,0); }
+ | ALIGNOF '(' NAME ')'
+ { $$ = exp_nameop (ALIGNOF,$3); }
| 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); }
+ | CONSTANT '(' NAME ')'
+ { $$ = exp_nameop (CONSTANT,$3); }
| ABSOLUTE '(' exp ')'
- { $$ = 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); }
| 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); }
+ | LOG2CEIL '(' exp ')'
+ { $$ = exp_unop (LOG2CEIL, $3); }
;
memspec_at_opt:
- AT '>' NAME { $$ = $3; }
- | { $$ = "*default*"; }
- ;
+ AT '>' NAME { $$ = $3; }
+ | { $$ = 0; }
+ ;
opt_at:
AT '(' exp ')' { $$ = $3; }
| { $$ = 0; }
;
-section: NAME { ldlex_expression(); }
- opt_exp_with_type
- opt_at { ldlex_popstate (); ldlex_script (); }
+opt_align:
+ ALIGN_K '(' exp ')' { $$ = $3; }
+ | { $$ = 0; }
+ ;
+
+opt_align_with_input:
+ ALIGN_WITH_INPUT { $$ = ALIGN_WITH_INPUT; }
+ | { $$ = 0; }
+ ;
+
+opt_subalign:
+ SUBALIGN '(' exp ')' { $$ = $3; }
+ | { $$ = 0; }
+ ;
+
+sect_constraint:
+ ONLY_IF_RO { $$ = ONLY_IF_RO; }
+ | ONLY_IF_RW { $$ = ONLY_IF_RW; }
+ | SPECIAL { $$ = SPECIAL; }
+ | { $$ = 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, 0, 0, $4);
+ $5, $7, $4, $9, $6);
}
- statement_list_opt
- '}' { ldlex_popstate (); ldlex_expression (); }
+ statement_list_opt
+ '}' { ldlex_popstate (); ldlex_expression (); }
memspec_opt memspec_at_opt phdr_opt fill_opt
{
ldlex_popstate ();
- lang_leave_output_section_statement ($14, $11, $13, $12);
+ lang_leave_output_section_statement ($18, $15, $17, $16);
}
opt_comma
+ {}
| OVERLAY
{ ldlex_expression (); }
- opt_exp_without_type opt_nocrossrefs opt_at
+ opt_exp_without_type opt_nocrossrefs opt_at opt_subalign
{ ldlex_popstate (); ldlex_script (); }
- '{'
+ '{'
{
- lang_enter_overlay ($3, $5, (int) $4);
+ lang_enter_overlay ($3, $6);
}
overlay_section
'}'
memspec_opt memspec_at_opt phdr_opt fill_opt
{
ldlex_popstate ();
- lang_leave_overlay ($15, $12, $14, $13);
+ lang_leave_overlay ($5, (int) $4,
+ $16, $13, $15, $14);
}
opt_comma
| /* The GROUP case is just enough to support the gcc
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:
- '(' type ')'
- | /* EMPTY */ { sectype = normal_section; }
- | '(' ')' { sectype = normal_section; }
+ '(' type ')'
+ | /* EMPTY */ { sectype = normal_section; }
+ | '(' ')' { sectype = normal_section; }
;
opt_exp_with_type:
memspec_opt:
'>' NAME
{ $$ = $2; }
- | { $$ = "*default*"; }
+ | { $$ = DEFAULT_MEMORY_REGION; }
;
phdr_opt:
n = ((struct lang_output_section_phdr_list *)
xmalloc (sizeof *n));
n->name = $3;
- n->used = false;
+ n->used = FALSE;
n->next = $1;
$$ = n;
}
{
"PT_NULL", "PT_LOAD", "PT_DYNAMIC",
"PT_INTERP", "PT_NOTE", "PT_SHLIB",
- "PT_PHDR"
+ "PT_PHDR", "PT_TLS"
};
s = $1->name.name;
$$ = exp_intop (i);
break;
}
+ if (i == sizeof phdr_types / sizeof phdr_types[0])
+ {
+ if (strcmp (s, "PT_GNU_EH_FRAME") == 0)
+ $$ = exp_intop (0x6474e550);
+ else if (strcmp (s, "PT_GNU_STACK") == 0)
+ $$ = exp_intop (0x6474e551);
+ else
+ {
+ einfo (_("\
+%X%P:%pS: unknown phdr type `%s' (try integer literal)\n"),
+ NULL, s);
+ $$ = exp_intop (0);
+ }
+ }
}
}
;
{
$$ = $3;
if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL)
- $$.filehdr = true;
+ $$.filehdr = TRUE;
else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL)
- $$.phdrs = true;
+ $$.phdrs = TRUE;
else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL)
$$.flags = $2;
else
- einfo (_("%X%P:%S: PHDRS syntax error at `%s'\n"), $1);
+ einfo (_("%X%P:%pS: PHDRS syntax error at `%s'\n"),
+ NULL, $1);
}
| AT '(' exp ')' phdr_qualifiers
{
}
;
+dynamic_list_file:
+ {
+ ldlex_version_file ();
+ PUSH_ERROR (_("dynamic list"));
+ }
+ dynamic_list_nodes
+ {
+ ldlex_popstate ();
+ POP_ERROR ();
+ }
+ ;
+
+dynamic_list_nodes:
+ dynamic_list_node
+ | dynamic_list_nodes dynamic_list_node
+ ;
+
+dynamic_list_node:
+ '{' dynamic_list_tag '}' ';'
+ ;
+
+dynamic_list_tag:
+ vers_defns ';'
+ {
+ lang_append_dynamic_list (current_dynamic_list_p, $1);
+ }
+ ;
+
/* This syntax is used within an external version script file. */
version_script_file:
vers_defns:
VERS_IDENTIFIER
{
- $$ = 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
+ {
+ $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, TRUE);
}
+ | vers_defns ';' EXTERN NAME '{'
+ {
+ $<name>$ = ldgram_vers_current_lang;
+ ldgram_vers_current_lang = $4;
+ }
+ vers_defns opt_semicolon '}'
+ {
+ struct bfd_elf_version_expr *pat;
+ for (pat = $7; pat->next != NULL; pat = pat->next);
+ pat->next = $1;
+ $$ = $7;
+ ldgram_vers_current_lang = $<name>6;
+ }
| EXTERN NAME '{'
{
$<name>$ = ldgram_vers_current_lang;
ldgram_vers_current_lang = $2;
}
- vers_defns '}'
+ vers_defns opt_semicolon '}'
{
$$ = $5;
ldgram_vers_current_lang = $<name>4;
}
+ | GLOBAL
+ {
+ $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, FALSE);
+ }
+ | vers_defns ';' GLOBAL
+ {
+ $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, FALSE);
+ }
+ | LOCAL
+ {
+ $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, FALSE);
+ }
+ | vers_defns ';' LOCAL
+ {
+ $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, FALSE);
+ }
+ | EXTERN
+ {
+ $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, FALSE);
+ }
+ | vers_defns ';' EXTERN
+ {
+ $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, FALSE);
+ }
+ ;
+
+opt_semicolon:
+ /* empty */
+ | ';'
;
%%
void
-yyerror(arg)
+yyerror(arg)
const char *arg;
-{
+{
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 ("%F%P:%pS: %s in %s\n", NULL, arg, error_names[error_index - 1]);
else
- einfo ("%P%F:%S: %s\n", arg);
+ einfo ("%F%P:%pS: %s\n", NULL, arg);
}
projects / deliverable / binutils-gdb.git / blobdiff