-%{
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* A YACC grammer to parse a superset of the AT&T linker scripting languaue.
+ Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+ Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
-This file is part of GLD, the Gnu Linker.
+This file is part of GNU ld.
-GLD is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-GLD is distributed in the hope that it will be useful,
+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 GLD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+%{
/*
- * $Id$
- *
- *
-*/
-
-/*
- This is a YACC grammer intended to parse a superset of the AT&T
- linker scripting languaue.
+ */
- Written by Steve Chamberlain steve@cygnus.com
-*/
+#define DONTDECLARE_MALLOC
-
-/*SUPPRESS 166*/
-/*SUPPRESS 112*/
-
-#include "sysdep.h"
#include "bfd.h"
-
+#include "sysdep.h"
+#include "bfdlink.h"
#include "ld.h"
#include "ldexp.h"
-#include "ldversion.h"
+#include "ldver.h"
#include "ldlang.h"
-#include "ld-emul.h"
+#include "ldemul.h"
#include "ldfile.h"
#include "ldmisc.h"
-#define YYDEBUG 1
-
-boolean option_v;
-
-
-extern unsigned int lineno;
-extern boolean trace_files;
-extern boolean write_map;
-
-boolean hex_mode;
+#include "ldmain.h"
+#include "mri.h"
+#include "ldlex.h"
+#define YYDEBUG 1
+static int typebits;
+static char *dirlist_ptr;
lang_memory_region_type *region;
-lang_memory_region_type *lang_memory_region_lookup();
-lang_output_section_statement_type *lang_output_section_statement_lookup();
-
-#ifdef __STDC__
-
-void lang_add_data(int type, union etree_union *exp);
-void lang_enter_output_section_statement(char *output_section_statement_name, etree_type *address_exp, bfd_vma block_value);
-
-#else
-
-void lang_add_data();
-void lang_enter_output_section_statement();
-
-#endif /* __STDC__ */
-
-extern args_type command_line;
char *current_file;
boolean ldgram_want_filename = true;
boolean had_script = false;
boolean force_make_executable = false;
-boolean ldgram_has_inputfile = false;
-
-boolean ldgram_in_expression = false;
-
-boolean ldgram_in_defsym = false;
-/* LOCALS */
-
+boolean ldgram_in_script = false;
+boolean ldgram_had_equals = false;
+#define ERROR_NAME_MAX 20
+static char *error_names[ERROR_NAME_MAX];
+static int error_index;
+#define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++;
+#define POP_ERROR() error_index--;
%}
%union {
bfd_vma integer;
char *name;
int token;
union etree_union *etree;
- asection *section;
+ struct sec *section;
struct lang_output_section_statement_struct *output_section_statement;
union lang_statement_union **statement_ptr;
int lineno;
}
-%type <etree> exp opt_exp exp_head
-%type <integer> fill_opt opt_block
+%type <etree> exp opt_exp_with_type mustbe_exp opt_at
+%type <integer> fill_opt
%type <name> memspec_opt
-%token <integer> INT CHAR
+%token <integer> INT
%token <name> NAME
%type <integer> length
-%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> EQ NE
%left <token> '<' '>' LE GE
%left <token> LSHIFT RSHIFT
+
%left <token> '+' '-'
%left <token> '*' '/' '%'
+
+/*%token <token> '+' '-' '*' '/' '%'*/
%right UNARY
+%token END
%left <token> '('
%token <token> ALIGN_K BLOCK LONG SHORT BYTE
%token SECTIONS
%token '{' '}'
-%token ALIGNMENT SIZEOF_HEADERS
-%token NEXT SIZEOF ADDR
-%token MEMORY
-%token DSECT NOLOAD COPY INFO OVERLAY
+%token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH
+%token SIZEOF_HEADERS
+%token INCLUDE
+%token MEMORY DEFSYMEND
+%token NOLOAD DSECT COPY INFO OVERLAY
%token NAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY
-%token OPTION_e OPTION_c OPTION_noinhibit_exec OPTION_s OPTION_S
-%token OPTION_format OPTION_F
-
-%token OPTION_d OPTION_dc OPTION_dp OPTION_x OPTION_X
-%token OPTION_v OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT OPTION_defsym
-%token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_A
-%token <name> OPTION_l OPTION_L OPTION_T OPTION_Aarch OPTION_Tfile OPTION_Texp
+%token OPTION_e OPTION_c OPTION_noinhibit_exec OPTION_s OPTION_S OPTION_sort_common OPTION_warn_common
+%token OPTION_EB OPTION_EL OPTION_G OPTION_Gval OPTION_help
+%token OPTION_format OPTION_oformat OPTION_F OPTION_u OPTION_Bstatic OPTION_N
+%token <integer> SIZEOF NEXT ADDR
+%token OPTION_d OPTION_dc OPTION_dp OPTION_x OPTION_X OPTION_defsym
+%token OPTION_v OPTION_V OPTION_m OPTION_memul OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT
+%token OPTION_L OPTION_Map
+%token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_R OPTION_relax OPTION_version
+%token <name> OPTION_l OPTION_Lfile OPTION_T OPTION_Aarch OPTION_Tfile
+%token <name> OPTION_Texp OPTION_y
%token OPTION_Ur
%token ORIGIN FILL OPTION_g
-%token LENGTH BIND SUBSECTION_ALIGN CREATE_OBJECT_SYMBOLS INPUT OUTPUT
-%type <token> assign_op SIZEOF NEXT ADDR
-%type <etree> assignment
+%token LENGTH CREATE_OBJECT_SYMBOLS INPUT OUTPUT CONSTRUCTORS
+%token OPTION_RETAIN_SYMBOLS_FILE ALIGNMOD AT
+%token OPTION_Qy OPTION_Y OPTION_dn OPTION_call_shared OPTION_non_shared
+%token OPTION_Oval OPTION_stats OPTION_no_keep_memory
+%token <name> OPTION_YP
+
+%type <token> assign_op
+
%type <name> filename
-%{
-ld_config_type config;
-%}
-%%
+%token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD
+%token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL
+%%
+file: command_line
-file: command_line { lang_final(); };
+filename: NAME;
-filename:
- NAME;
command_line:
command_line command_line_option
;
command_line_option:
- OPTION_v
+ OPTION_Bstatic { }
+ | OPTION_help
{
- ldversion();
- option_v = true;
+ help ();
+ exit (0);
+ }
+ | OPTION_v
+ {
+ ldversion(0);
+ }
+ | OPTION_V
+ {
+ ldversion(1);
+ trace_file_tries = true;
+ }
+ | OPTION_version
+ {
+ ldversion(0);
+ exit(0);
}
| OPTION_t {
trace_files = true;
}
- | OPTION_M {
- write_map = true;
- }
+ | OPTION_Map NAME
+ {
+ write_map = true;
+ config.map_filename = $2;
+ }
+ | OPTION_m NAME
+ {
+ /* Ignore. */
+ }
+ | OPTION_memul
+ {
+ /* Ignore. */
+ }
+ | OPTION_M
+ {
+ config.map_filename = "-";
+ }
| OPTION_n {
config.magic_demand_paged = false;
- config.make_executable = false;
}
+ | OPTION_N {
+ config.text_read_only = false;
+ config.magic_demand_paged = false;
+ }
| OPTION_s {
- strip_symbols = STRIP_ALL;
+ link_info.strip = strip_all;
}
| OPTION_S {
- strip_symbols = STRIP_DEBUGGER;
+ link_info.strip = strip_debugger;
}
-
+ | OPTION_stats {
+ config.stats = true;
+ }
+ | OPTION_no_keep_memory {
+ link_info.keep_memory = false;
+ }
+ | OPTION_u NAME {
+ ldlang_add_undef($2);
+ }
| OPTION_r {
- config.relocateable_output = true;
+ link_info.relocateable = true;
config.build_constructors = false;
config.magic_demand_paged = false;
+ config.text_read_only = false;
}
| OPTION_Ur {
- config.relocateable_output = true;
+ link_info.relocateable = true;
config.build_constructors = true;
config.magic_demand_paged = false;
+ config.text_read_only = false;
}
| OPTION_o filename
{
- lang_add_output($2);
+ lang_add_output($2, 0);
}
| OPTION_e NAME
{ lang_add_entry($2);
}
| OPTION_X {
- discard_locals = DISCARD_L;
+ link_info.discard = discard_l;
}
| OPTION_x {
- discard_locals = DISCARD_ALL;
+ link_info.discard = discard_all;
}
| OPTION_noinhibit_exec
{
force_make_executable = true;
}
- | OPTION_d {
+ | OPTION_sort_common
+ {
+ config.sort_common = true;
+ }
+ | OPTION_warn_common
+ {
+ config.warn_common = true;
+ }
+ | OPTION_d {
command_line.force_common_definition = true;
}
- | OPTION_dc
+
+ | OPTION_relax {
+ command_line.relax = true;
+ }
+ | OPTION_dc
{
command_line.force_common_definition = true;
}
{
/* Ignored */
}
- | OPTION_dp
+ | OPTION_dp
{
command_line.force_common_definition = true;
}
- | OPTION_format NAME
+ | OPTION_format NAME
{
lang_add_target($2);
}
-
- | OPTION_Texp { hex_mode =true; }
- exp
- { lang_section_start($1, $3);
- hex_mode = false; }
-
+ | OPTION_oformat NAME
+ {
+ lang_add_output_format($2, 0);
+ }
+ | OPTION_Texp
+ { ldlex_expression();
+ hex_mode = 16;
+ }
+ INT
+ { ldlex_popstate();
+ lang_section_start($1,exp_intop($3));
+ hex_mode = 0;
+ }
+ | OPTION_y
+ {
+ add_ysym($1);
+ }
| OPTION_Aarch
- { ldfile_add_arch($1); }
+ {
+ ldfile_add_arch($1);
+ }
| OPTION_b NAME
{
lang_add_target($2);
}
- | OPTION_L
+ | OPTION_L NAME
+ {
+ ldfile_add_library_path($2);
+ }
+ | OPTION_Lfile
{
ldfile_add_library_path($1);
- }
+ }
| OPTION_F
{
/* Ignore */
}
+ | OPTION_c filename
+ {ldfile_open_command_file($2); }
+ mri_script_file END { ldlex_command();}
- | ifile_p1
- | input_list
- | OPTION_c filename
- { ldfile_open_command_file($2); }
- | OPTION_Tfile
- { ldfile_open_command_file($1); }
+ | OPTION_Tfile
+ { ldfile_open_command_file($1); } script_file
+ END { ldlex_command();}
- | OPTION_T filename
- { ldfile_open_command_file($2); }
+ | OPTION_T filename
+ { ldfile_open_command_file($2); } script_file
+ END { ldlex_command();}
| OPTION_l
{
lang_input_file_is_l_enum,
(char *)NULL);
}
- | OPTION_A filename
+ | OPTION_R filename
{
lang_add_input_file($2,
lang_input_file_is_symbols_only_enum,
(char *)NULL);
}
- | OPTION_defsym
- {
- ldgram_in_defsym = true;
+
+ | OPTION_defsym { ldlex_defsym(); }
+ NAME '=' exp DEFSYMEND { ldlex_popstate();
+ lang_add_assignment(exp_assop($4,$3,$5));
}
- assignment
+ | OPTION_RETAIN_SYMBOLS_FILE filename
+ { add_keepsyms_file ($2); }
+ | OPTION_EB
+ {
+ /* FIXME: This is currently ignored. It means
+ ``produce a big-endian object file''. It could
+ be used to select an output format. */
+ }
+ | OPTION_EL
+ {
+ /* FIXME: This is currently ignored. It means
+ ``produce a little-endian object file''. It could
+ be used to select an output format. */
+ }
+ | OPTION_G NAME
+ {
+ g_switch_value = atoi ($2);
+ }
+ | OPTION_Gval
+ {
+ g_switch_value = yylval.integer;
+ }
+ | OPTION_Qy
+ | OPTION_dn
+ | OPTION_non_shared
+ | OPTION_call_shared
+ | OPTION_Oval
+ | OPTION_YP
+ {
+ dirlist_ptr = $1;
+ goto set_default_dirlist;
+ }
+ | OPTION_Y NAME
+ {
+ if (strncmp ($2, "P,", 2))
+ einfo ("%P%F: unknown -Y option -- %s\n", $2);
+ else
+ {
+ char *p;
+ dirlist_ptr = $2;
+ set_default_dirlist:
+ while (1)
{
- ldgram_in_defsym = false;
- }
-
+ p = strchr (dirlist_ptr, ':');
+ if (p != NULL)
+ *p = 0;
+ if (*dirlist_ptr)
+ ldfile_add_library_path (dirlist_ptr);
+ if (p == NULL)
+ break;
+ *p = ':';
+ dirlist_ptr = p + 1;
+ }
+ }
+ }
+ | '{' script_file '}' { /* This parses compiled-in scripts. */ }
+ | NAME
+ {
+ if (*$1 == '-')
+ einfo("%P%F: illegal option -- %s\n", $1);
+ else
+ lang_add_input_file($1,lang_input_file_is_file_enum,
+ (char *)NULL);
+ }
;
-input_section_spec:
- NAME
- {
- lang_add_wild((char *)NULL, $1);
+/* SYNTAX WITHIN AN MRI SCRIPT FILE */
+mri_script_file:
+ { ldlex_mri_script();
+ PUSH_ERROR("MRI style script");
}
- | '['
- {
- current_file = (char *)NULL;
+ mri_script_lines
+ { ldlex_popstate();
+ POP_ERROR();
+ }
+ ;
+
+mri_script_lines:
+ mri_script_lines mri_script_command NEWLINE
+ |
+ ;
+
+mri_script_command:
+ CHIP exp
+ | CHIP exp ',' exp
+ | NAME {
+ einfo("%P%F: unrecognised keyword in MRI style script '%s'\n",$1);
}
- file_NAME_list
- ']'
- | NAME
- {
- current_file =$1;
- }
- '(' file_NAME_list ')'
- | '*'
- {
- current_file = (char *)NULL;
- }
- '(' file_NAME_list ')'
+ | LIST {
+ write_map = true;
+ 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
+ { mri_format($2); }
+ | SECT NAME ',' exp
+ { mri_output_section($2, $4);}
+ | SECT NAME exp
+ { mri_output_section($2, $3);}
+ | SECT NAME '=' exp
+ { mri_output_section($2, $4);}
+ | ALIGN_K NAME '=' exp
+ { mri_align($2,$4); }
+ | ALIGNMOD NAME '=' exp
+ { mri_alignmod($2,$4); }
+ | ABSOLUTE mri_abs_name_list
+ | LOAD mri_load_name_list
+ | 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_base($2); }
+ | TRUNCATE INT
+ { mri_truncate((unsigned int) $2); }
+ |
+ ;
+
+ordernamelist:
+ ordernamelist ',' NAME { mri_order($3); }
+ | ordernamelist NAME { mri_order($2); }
+ |
+ ;
+
+mri_load_name_list:
+ NAME
+ { mri_load($1); }
+ | mri_load_name_list ',' NAME { mri_load($3); }
;
+mri_abs_name_list:
+ NAME
+ { mri_only_load($1); }
+ | mri_abs_name_list ',' NAME
+ { mri_only_load($3); }
+ ;
+script_file:
+ {
+ ldlex_both();
+ }
+ ifile_list
+ {
+ ldlex_popstate();
+ }
+ ;
-file_NAME_list:
- NAME
- { lang_add_wild($1, current_file); }
- | file_NAME_list opt_comma NAME
- { lang_add_wild($3, current_file); }
+
+ifile_list:
+ ifile_list ifile_p1
+ |
;
| high_level_library
| low_level_library
| floating_point_support
- | assignment end
+ | statement_anywhere
+ | ';'
| TARGET_K '(' NAME ')'
{ lang_add_target($3); }
| SEARCH_DIR '(' filename ')'
{ ldfile_add_library_path($3); }
| OUTPUT '(' filename ')'
- { lang_add_output($3); }
+ { lang_add_output($3, 1); }
+ | OUTPUT_FORMAT '(' NAME ')'
+ { lang_add_output_format($3, 1); }
+ | OUTPUT_ARCH '(' NAME ')'
+ { ldfile_set_output_arch($3); }
+ | FORCE_COMMON_ALLOCATION
+ { command_line.force_common_definition = true ; }
| INPUT '(' input_list ')'
| MAP '(' filename ')'
{ lang_add_map($3); }
+ | INCLUDE filename
+ { ldfile_open_command_file($2); } ifile_list END
;
input_list:
NAME
- { lang_add_input_file($1,lang_input_file_is_file_enum,
+ { lang_add_input_file($1,lang_input_file_is_search_file_enum,
(char *)NULL); }
| input_list ',' NAME
- { lang_add_input_file($3,lang_input_file_is_file_enum,
+ { lang_add_input_file($3,lang_input_file_is_search_file_enum,
(char *)NULL); }
- | input_list NAME
- { lang_add_input_file($2, lang_input_file_is_file_enum,
+ | input_list NAME
+ { lang_add_input_file($2,lang_input_file_is_search_file_enum,
(char *)NULL); }
;
sections:
- SECTIONS '{'sec_or_group_p1 '}'
+ SECTIONS '{' sec_or_group_p1 '}'
;
sec_or_group_p1:
| assignment end
;
+file_NAME_list:
+ NAME
+ { lang_add_wild($1, current_file); }
+ | file_NAME_list opt_comma NAME
+ { lang_add_wild($3, current_file); }
+ ;
+
+input_section_spec:
+ NAME
+ {
+ lang_add_wild((char *)NULL, $1);
+ }
+ | '['
+ {
+ current_file = (char *)NULL;
+ }
+ file_NAME_list
+ ']'
+ | NAME
+ {
+ current_file =$1;
+ }
+ '(' file_NAME_list ')'
+ | '*'
+ {
+ current_file = (char *)NULL;
+ }
+ '(' file_NAME_list ')'
+ ;
+
statement:
- statement assignment end
- | statement CREATE_OBJECT_SYMBOLS
- { lang_add_attribute(lang_object_symbols_statement_enum); }
- | statement input_section_spec
- | statement length '(' exp_head ')'
+ assignment end
+ | CREATE_OBJECT_SYMBOLS
+ {
+ lang_add_attribute(lang_object_symbols_statement_enum);
+ }
+ | ';'
+ | CONSTRUCTORS
+ {
+
+ lang_add_attribute(lang_constructors_statement_enum);
+ }
+ | input_section_spec
+ | length '(' exp ')'
{
- lang_add_data($2,$4);
+ lang_add_data((int) $1,$3);
}
- | statement FILL '(' exp_head ')'
+ | FILL '(' exp ')'
{
lang_add_fill
- (exp_get_value_int($4,
+ (exp_get_value_int($3,
0,
"fill value",
lang_first_phase_enum));
}
- |
+ ;
+
+statement_list:
+ statement_list statement
+ | statement
+ ;
+
+statement_list_opt:
+ /* empty */
+ | statement_list
;
length:
- LONG
+ LONG
{ $$ = $1; }
- | SHORT
+ | SHORT
{ $$ = $1; }
- | BYTE
+ | BYTE
{ $$ = $1; }
;
fill_opt:
- '=' exp_head
+ '=' mustbe_exp
{
$$ = exp_get_value_int($2,
0,
"fill value",
- lang_first_phase_enum);
+ lang_first_phase_enum);
}
- | { $$ = 0; }
+ | { $$ = 0; }
;
assign_op:
PLUSEQ
{ $$ = '+'; }
- | MINUSEQ
+ | MINUSEQ
{ $$ = '-'; }
| MULTEQ
{ $$ = '*'; }
assignment:
-
- NAME '=' exp_head
+ NAME '=' mustbe_exp
{
lang_add_assignment(exp_assop($2,$1,$3));
}
- | NAME assign_op exp_head
+ | NAME assign_op mustbe_exp
{
- lang_add_assignment(exp_assop('=',$1,exp_binop($2,exp_nameop(NAME,$1),$3)));
+
+lang_add_assignment(exp_assop('=',$1,exp_binop($2,exp_nameop(NAME,$1),$3)));
}
;
;
memory_spec_list:
- memory_spec_list memory_spec
+ memory_spec_list memory_spec
| memory_spec_list ',' memory_spec
|
;
-memory_spec:
- NAME
+memory_spec: NAME
{ region = lang_memory_region_lookup($1); }
- attributes_opt ':' origin_spec opt_comma length_spec
+ attributes_opt ':'
+ origin_spec opt_comma length_spec
- {
-
-
- }
- ;
-origin_spec:
- ORIGIN '=' exp
+ ; origin_spec:
+ ORIGIN '=' mustbe_exp
{ region->current =
region->origin =
- exp_get_vma($3, 0L,"origin", lang_first_phase_enum); }
- ;
-length_spec:
- LENGTH '=' exp
- { region->length = exp_get_vma($3,
+ exp_get_vma($3, 0L,"origin", lang_first_phase_enum);
+}
+ ; length_spec:
+ LENGTH '=' mustbe_exp
+ { region->length = exp_get_vma($3,
~((bfd_vma)0),
"length",
lang_first_phase_enum);
;
high_level_library:
- HLL '(' high_level_library_NAME_list ')'
- | HLL '(' ')'
+ HLL '(' high_level_library_NAME_list ')'
+ | HLL '(' ')'
{ ldemul_hll((char *)NULL); }
;
high_level_library_NAME_list:
- high_level_library_NAME_list opt_comma filename
+ high_level_library_NAME_list opt_comma filename
{ ldemul_hll($3); }
| filename
{ ldemul_hll($1); }
low_level_library:
SYSLIB '(' low_level_library_NAME_list ')'
- ;
-low_level_library_NAME_list:
+ ; low_level_library_NAME_list:
low_level_library_NAME_list opt_comma filename
- { ldemul_syslib($3); }
+ { ldemul_syslib($3); }
|
;
FLOAT
{ lang_float(true); }
| NOFLOAT
- { lang_float(false); }
+ { lang_float(false); }
;
-
+mustbe_exp: { ldlex_expression(); }
+ exp
+ { ldlex_popstate(); $$=$2;}
+ ;
exp :
- '-' exp %prec UNARY
+ '-' exp %prec UNARY
{ $$ = exp_unop('-', $2); }
| '(' exp ')'
{ $$ = $2; }
| NEXT '(' exp ')' %prec UNARY
- { $$ = exp_unop($1,$3); }
- | '!' exp %prec UNARY
+ { $$ = exp_unop((int) $1,$3); }
+ | '!' exp %prec UNARY
{ $$ = exp_unop('!', $2); }
- | '+' exp %prec UNARY
+ | '+' exp %prec UNARY
{ $$ = $2; }
- | '~' exp %prec UNARY
+ | '~' exp %prec UNARY
{ $$ = exp_unop('~', $2);}
| exp '*' exp
| exp '+' exp
{ $$ = exp_binop('+', $1, $3); }
| exp '-' exp
- { $$ = exp_binop('-' , $1, $3); }
+ { $$ = exp_binop('-' , $1, $3); }
| exp LSHIFT exp
{ $$ = exp_binop(LSHIFT , $1, $3); }
| exp RSHIFT exp
{ $$ = exp_binop(NE , $1, $3); }
| exp LE exp
{ $$ = exp_binop(LE , $1, $3); }
- | exp GE exp
+ | exp GE exp
{ $$ = exp_binop(GE , $1, $3); }
| exp '<' exp
{ $$ = exp_binop('<' , $1, $3); }
{ $$ = exp_nameop(DEFINED, $3); }
| INT
{ $$ = exp_intop($1); }
+ | SIZEOF_HEADERS
+ { $$ = exp_nameop(SIZEOF_HEADERS,0); }
- | SIZEOF '(' NAME ')'
- { $$ = exp_nameop($1,$3); }
+ | SIZEOF '(' NAME ')'
+ { $$ = exp_nameop(SIZEOF,$3); }
| ADDR '(' NAME ')'
- { $$ = exp_nameop($1,$3); }
+ { $$ = exp_nameop(ADDR,$3); }
+ | ABSOLUTE '(' exp ')'
+ { $$ = exp_unop(ABSOLUTE, $3); }
| ALIGN_K '(' exp ')'
- { $$ = exp_unop($1,$3); }
+ { $$ = exp_unop(ALIGN_K,$3); }
| NAME
{ $$ = exp_nameop(NAME,$1); }
;
+opt_at:
+ AT '(' exp ')' { $$ = $3; }
+ | { $$ = 0; }
+ ;
-
-section: NAME opt_exp opt_block ':' opt_things'{'
- {
- lang_enter_output_section_statement($1,$2,$3);
- }
- statement '}' fill_opt memspec_opt
+section: NAME { ldlex_expression(); }
+ opt_exp_with_type
+ opt_at { ldlex_popstate(); }
+ '{'
+ {
+ lang_enter_output_section_statement($1,$3,typebits,0,0,0,$4);
+ }
+ statement_list_opt
+ '}' {ldlex_expression();} fill_opt memspec_opt
{
- lang_leave_output_section_statement($10, $11);
+ ldlex_popstate();
+ lang_leave_output_section_statement($11, $12);
}
+opt_comma
;
-opt_things:
- {
-
- }
+type:
+ NOLOAD { typebits = SEC_NEVER_LOAD; }
+ | DSECT { typebits = 0; }
+ | COPY { typebits = 0; }
+ | INFO { typebits = 0; }
+ | OVERLAY { typebits = 0; }
+ | { typebits = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS; }
;
-exp_head:
- {
- ldgram_in_expression = true;
- }
- exp
- {
- ldgram_in_expression = false;
- $$ = $2;
- }
- ;
-opt_exp:
- exp_head
- { $$ = $1; }
- | { $$= (etree_type *)NULL; }
+opt_exp_with_type:
+ exp ':' { $$ = $1; typebits =0;}
+ | exp '(' type ')' ':' { $$ = $1; }
+ | ':' { $$= (etree_type *)NULL; typebits = 0; }
+ | '(' type ')' ':' { $$= (etree_type *)NULL; }
;
-opt_block:
- BLOCK '(' exp_head ')'
- { $$ = exp_get_value_int($3,
- 1L,
- "block",
- lang_first_phase_enum);
- }
- | { $$ = 1; }
- ;
-
memspec_opt:
'>' NAME
{ $$ = $2; }
| { $$ = "*default*"; }
;
-
+%%
+void
+yyerror(arg)
+char *arg;
+{
+ if (error_index> 0 && error_index < ERROR_NAME_MAX)
+ einfo("%P%F: %S syntax error in %s\n",error_names[error_index-1]);
+ else
+ einfo("%P%F: %S syntax error\n");
+}
projects / deliverable / binutils-gdb.git / blobdiff