-/* A YACC grammer to parse a superset of the AT&T linker scripting languaue.
- Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 1998
- Free Software Foundation, Inc.
+/* 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.
Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
This file is part of GNU ld.
#include "ldexp.h"
#include "ldver.h"
#include "ldlang.h"
-#include "ldemul.h"
#include "ldfile.h"
+#include "ldemul.h"
#include "ldmisc.h"
#include "ldmain.h"
#include "mri.h"
+#include "ldctor.h"
#include "ldlex.h"
#ifndef YYDEBUG
lang_memory_region_type *region;
-struct wildcard_spec current_file;
boolean ldgram_want_filename = true;
-boolean had_script = false;
+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;
#define ERROR_NAME_MAX 20
static char *error_names[ERROR_NAME_MAX];
char *name;
const char *cname;
struct wildcard_spec wildcard;
+ struct wildcard_list *wildcard_list;
+ struct name_list *name_list;
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
%type <integer> fill_opt
+%type <name_list> exclude_name_list
+%type <wildcard_list> file_NAME_list
%type <name> memspec_opt casesymlist
+%type <name> memspec_at_opt
%type <cname> wildcard_name
%type <wildcard> wildcard_spec
%token <integer> INT
%token END
%left <token> '('
%token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE
-%token SECTIONS PHDRS SORT
+%token SECTIONS PHDRS SORT DATA_SEGMENT_ALIGN DATA_SEGMENT_END
%token '{' '}'
%token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
+%token INHIBIT_COMMON_ALLOCATION
%token SIZEOF_HEADERS
%token INCLUDE
%token MEMORY DEFSYMEND
%token NOLOAD DSECT COPY INFO OVERLAY
%token NAME LNAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY
%token <integer> NEXT
-%token SIZEOF ADDR LOADADDR MAX MIN
+%token SIZEOF 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 PROVIDE
-%type <token> assign_op atype
+%type <token> assign_op atype attributes_opt
%type <name> filename
-%token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD
+%token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K
%token 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 EXCLUDE_FILE
%type <versyms> vers_defns
%type <versnode> vers_tag
%type <deflist> verdep
| CASE casesymlist
| EXTERN extern_name_list
| INCLUDE filename
- { ldfile_open_command_file ($2); } mri_script_lines END
+ { ldlex_script (); ldfile_open_command_file($2); }
+ mri_script_lines END
+ { ldlex_popstate (); }
| START NAME
{ lang_add_entry ($2, false); }
|
extern_name_list:
NAME
{ ldlang_add_undef ($1); }
+ | extern_name_list NAME
+ { ldlang_add_undef ($2); }
| extern_name_list ',' NAME
{ ldlang_add_undef ($3); }
;
{ ldfile_set_output_arch($3); }
| FORCE_COMMON_ALLOCATION
{ command_line.force_common_definition = true ; }
+ | INHIBIT_COMMON_ALLOCATION
+ { command_line.inhibit_common_definition = true ; }
| INPUT '(' input_list ')'
| GROUP
{ lang_enter_group (); }
| MAP '(' filename ')'
{ lang_add_map($3); }
| INCLUDE filename
- { ldfile_open_command_file($2); } ifile_list END
+ { ldlex_script (); ldfile_open_command_file($2); }
+ ifile_list END
+ { ldlex_popstate (); }
| NOCROSSREFS '(' nocrossref_list ')'
{
lang_add_nocrossref ($3);
}
+ | EXTERN '(' extern_name_list ')'
;
input_list:
{
$$.name = $1;
$$.sorted = false;
+ $$.exclude_name_list = NULL;
+ }
+ | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name
+ {
+ $$.name = $5;
+ $$.sorted = false;
+ $$.exclude_name_list = $3;
}
| SORT '(' wildcard_name ')'
{
$$.name = $3;
$$.sorted = true;
+ $$.exclude_name_list = NULL;
+ }
+ | SORT '(' EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name ')'
+ {
+ $$.name = $7;
+ $$.sorted = true;
+ $$.exclude_name_list = $5;
+ }
+ ;
+
+exclude_name_list:
+ exclude_name_list wildcard_name
+ {
+ struct name_list *tmp;
+ tmp = (struct name_list *) xmalloc (sizeof *tmp);
+ tmp->name = $2;
+ tmp->next = $1;
+ $$ = tmp;
+ }
+ |
+ wildcard_name
+ {
+ struct name_list *tmp;
+ tmp = (struct name_list *) xmalloc (sizeof *tmp);
+ tmp->name = $1;
+ tmp->next = NULL;
+ $$ = tmp;
}
;
file_NAME_list:
- wildcard_spec
+ file_NAME_list opt_comma wildcard_spec
{
- lang_add_wild ($1.name, $1.sorted,
- current_file.name,
- current_file.sorted,
- ldgram_had_keep);
+ struct wildcard_list *tmp;
+ tmp = (struct wildcard_list *) xmalloc (sizeof *tmp);
+ tmp->next = $1;
+ tmp->spec = $3;
+ $$ = tmp;
}
- | file_NAME_list opt_comma wildcard_spec
+ |
+ wildcard_spec
{
- lang_add_wild ($3.name, $3.sorted,
- current_file.name,
- current_file.sorted,
- ldgram_had_keep);
+ struct wildcard_list *tmp;
+ tmp = (struct wildcard_list *) xmalloc (sizeof *tmp);
+ tmp->next = NULL;
+ tmp->spec = $1;
+ $$ = tmp;
}
;
input_section_spec_no_keep:
NAME
{
- lang_add_wild (NULL, false, $1, false,
- ldgram_had_keep);
+ struct wildcard_spec tmp;
+ tmp.name = $1;
+ tmp.exclude_name_list = NULL;
+ tmp.sorted = false;
+ lang_add_wild (&tmp, NULL, ldgram_had_keep);
}
- | '['
+ | '[' file_NAME_list ']'
{
- current_file.name = NULL;
- current_file.sorted = false;
+ lang_add_wild (NULL, $2, ldgram_had_keep);
}
- file_NAME_list ']'
- | wildcard_spec
+ | wildcard_spec '(' file_NAME_list ')'
{
- current_file = $1;
- /* '*' matches any file name. */
- if (strcmp (current_file.name, "*") == 0)
- current_file.name = NULL;
+ lang_add_wild (&$1, $3, ldgram_had_keep);
}
- '(' file_NAME_list ')'
;
input_section_spec:
lang_add_attribute(lang_constructors_statement_enum);
}
+ | SORT '(' CONSTRUCTORS ')'
+ {
+ constructors_sorted = true;
+ lang_add_attribute (lang_constructors_statement_enum);
+ }
| input_section_spec
| length '(' mustbe_exp ')'
{
attributes_opt ':'
origin_spec opt_comma length_spec
- ; origin_spec:
+ ;
+
+origin_spec:
ORIGIN '=' mustbe_exp
{ region->current =
region->origin =
"length",
lang_first_phase_enum);
}
-
+ ;
attributes_opt:
- '(' NAME ')'
- {
- lang_set_flags(region, $2);
- }
- |
-
+ /* empty */
+ { /* dummy action to avoid bison 1.25 error message */ }
+ | '(' attributes_list ')'
+ ;
+
+attributes_list:
+ attributes_string
+ | attributes_list attributes_string
+ ;
+
+attributes_string:
+ NAME
+ { lang_set_flags (region, $1, 0); }
+ | '!' NAME
+ { lang_set_flags (region, $2, 1); }
;
startup:
{ $$ = exp_unop(ABSOLUTE, $3); }
| ALIGN_K '(' exp ')'
{ $$ = exp_unop(ALIGN_K,$3); }
+ | DATA_SEGMENT_ALIGN '(' exp ',' exp ')'
+ { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); }
+ | DATA_SEGMENT_END '(' exp ')'
+ { $$ = exp_unop(DATA_SEGMENT_END, $3); }
| BLOCK '(' exp ')'
{ $$ = exp_unop(ALIGN_K,$3); }
| NAME
{ $$ = exp_nameop(NAME,$1); }
- | MAX '(' exp ',' exp ')'
- { $$ = exp_binop (MAX, $3, $5 ); }
- | MIN '(' exp ',' exp ')'
- { $$ = exp_binop (MIN, $3, $5 ); }
+ | MAX_K '(' exp ',' exp ')'
+ { $$ = exp_binop (MAX_K, $3, $5 ); }
+ | MIN_K '(' exp ',' exp ')'
+ { $$ = exp_binop (MIN_K, $3, $5 ); }
+ | ASSERT_K '(' exp ',' NAME ')'
+ { $$ = exp_assert ($3, $5); }
;
+memspec_at_opt:
+ AT '>' NAME { $$ = $3; }
+ | { $$ = "*default*"; }
+ ;
+
opt_at:
AT '(' exp ')' { $$ = $3; }
| { $$ = 0; }
}
statement_list_opt
'}' { ldlex_popstate (); ldlex_expression (); }
- memspec_opt phdr_opt fill_opt
+ memspec_opt memspec_at_opt phdr_opt fill_opt
{
ldlex_popstate ();
- lang_leave_output_section_statement ($13, $11, $12);
+ lang_leave_output_section_statement ($14, $11, $13, $12);
}
opt_comma
| OVERLAY
overlay_section
'}'
{ ldlex_popstate (); ldlex_expression (); }
- memspec_opt phdr_opt fill_opt
+ memspec_opt memspec_at_opt phdr_opt fill_opt
{
ldlex_popstate ();
- lang_leave_overlay ($14, $12, $13);
+ lang_leave_overlay ($15, $12, $14, $13);
}
opt_comma
| /* The GROUP case is just enough to support the gcc
;
vers_node:
- VERS_TAG '{' vers_tag '}' ';'
+ '{' vers_tag '}' ';'
+ {
+ lang_register_vers_node (NULL, $2, NULL);
+ }
+ | VERS_TAG '{' vers_tag '}' ';'
{
lang_register_vers_node ($1, $3, NULL);
}
vers_defns:
VERS_IDENTIFIER
{
- $$ = lang_new_vers_regex (NULL, $1);
+ $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang);
}
| vers_defns ';' VERS_IDENTIFIER
{
- $$ = lang_new_vers_regex ($1, $3);
+ $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang);
}
+ | EXTERN NAME '{'
+ {
+ $<name>$ = ldgram_vers_current_lang;
+ ldgram_vers_current_lang = $2;
+ }
+ vers_defns '}'
+ {
+ $$ = $5;
+ ldgram_vers_current_lang = $<name>4;
+ }
;
%%
projects / deliverable / binutils-gdb.git / blobdiff