/* 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.
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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"
#endif
static enum section_type sectype;
+static lang_memory_region_type *region;
-lang_memory_region_type *region;
-
-bfd_boolean ldgram_want_filename = TRUE;
-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;
}
%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
%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 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 '{' '}'
%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 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 AS_NEEDED
+%token ALIGNMOD AT SUBALIGN PROVIDE PROVIDE_HIDDEN 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
%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
+%token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL
%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
;
| 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
+ | extern_name_list_body NAME
{ ldlang_add_undef ($2); }
- | extern_name_list ',' NAME
+ | extern_name_list_body ',' NAME
{ ldlang_add_undef ($3); }
;
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); }
;
input_list:
{
lang_add_fill ($3);
}
+ | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' end
+ { ldlex_popstate ();
+ lang_add_assignment (exp_assert ($4, $6)); }
;
statement_list:
fill_exp:
mustbe_exp
{
- $$ = exp_get_fill ($1,
- 0,
- "fill value",
- lang_first_phase_enum);
+ $$ = exp_get_fill ($1, 0, "fill value");
}
;
}
| 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));
}
;
origin_spec:
ORIGIN '=' mustbe_exp
- { region->current =
- region->origin =
- exp_get_vma($3, 0L,"origin", lang_first_phase_enum);
-}
+ {
+ region->origin = exp_get_vma ($3, 0, "origin");
+ region->current = region->origin;
+ }
;
length_spec:
LENGTH '=' mustbe_exp
- { region->length = exp_get_vma($3,
- ~((bfd_vma)0),
- "length",
- lang_first_phase_enum);
+ {
+ region->length = exp_get_vma ($3, -1, "length");
}
;
| 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 ')'
{ $$ = exp_unop (ABSOLUTE, $3); }
| ALIGN_K '(' exp ')'
| { $$ = 0; }
;
+opt_align:
+ ALIGN_K '(' exp ')' { $$ = $3; }
+ | { $$ = 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_subalign { ldlex_popstate (); ldlex_script (); }
sect_constraint
'{'
{
lang_enter_output_section_statement($1, $3,
sectype,
- 0, $5, $4, $7);
+ $5, $6, $4, $8);
}
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 ($17, $14, $16, $15);
}
opt_comma
{}
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:
}
;
+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 '{'
{
}
vers_defns opt_semicolon '}'
{
+ struct bfd_elf_version_expr *pat;
+ for (pat = $7; pat->next != NULL; pat = pat->next);
+ pat->next = $1;
$$ = $7;
ldgram_vers_current_lang = $<name>6;
}
$$ = $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:
projects / platform / upstream / binutils.git / blobdiff