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authorSteve Chamberlain <sac@cygnus>1993-01-08 22:42:42 +0000
committerSteve Chamberlain <sac@cygnus>1993-01-08 22:42:42 +0000
commitdadd414a8917bf3d2e813d7ff0706fa7aaa8958c (patch)
tree968784951f9941e3a8e160bd3a33269ccea5fb06 /ld/ldgram.y
parentc1d53021aecaa2fcb8421ee90b508b635aed1802 (diff)
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Fix support for NOLOAD, add INCLUDE
* ldfile.c (ldfile_open_command_file): pass file name to lex_push_file. * ldlex.l, ldgram.y: tidy up, parse INCLUDE and NOLOAD * ldlang.c (wild_doit): make output sections inherit NEVER_LOAD attribute.
Diffstat (limited to 'ld/ldgram.y')
-rw-r--r--ld/ldgram.y84
1 files changed, 44 insertions, 40 deletions
diff --git a/ld/ldgram.y b/ld/ldgram.y
index 12acc19..eb9000a 100644
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -44,7 +44,7 @@ extern boolean trace_files;
extern boolean write_map;
extern boolean option_longmap;
boolean hex_mode;
-
+static int typebits;
strip_symbols_type strip_symbols=STRIP_NONE;
discard_locals_type discard_locals=DISCARD_NONE;
@@ -58,7 +58,7 @@ 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, int flags, bfd_vma block_value);
+void lang_enter_output_section_statement(char *output_section_statement_name, etree_type *address_exp, int flags, bfd_vma block_value,etree_type*,etree_type*);
#else
@@ -103,8 +103,8 @@ struct sec *section;
}
-%type <etree> exp opt_exp mustbe_exp
-%type <integer> fill_opt opt_block opt_type
+%type <etree> exp opt_exp_with_type mustbe_exp
+%type <integer> fill_opt
%type <name> memspec_opt
%token <integer> INT
%token <name> NAME
@@ -133,6 +133,7 @@ struct sec *section;
%token '{' '}'
%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
@@ -143,17 +144,20 @@ struct sec *section;
%token OPTION_v OPTION_V OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT
%token OPTION_Map
%token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_R OPTION_relax
-%token <name> OPTION_l OPTION_L OPTION_T OPTION_Aarch OPTION_Tfile OPTION_Texp
+%token <name> OPTION_l OPTION_L OPTION_T OPTION_Aarch OPTION_Tfile OPTION_Texp
+%token <name> OPTION_y
%token OPTION_Ur
%token ORIGIN FILL OPTION_g
-%token LENGTH CREATE_OBJECT_SYMBOLS INPUT OUTPUT CONSTRUCTORS
+%token LENGTH CREATE_OBJECT_SYMBOLS INPUT OUTPUT CONSTRUCTORS
+%token OPTION_RETAIN_SYMBOLS_FILE ALIGNMOD
+
%type <token> assign_op
%type <name> filename
%token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD
-%token FORMAT PUBLIC DEFSYMEND BASE ALIAS
+%token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE
%{
ld_config_type config;
@@ -278,7 +282,10 @@ command_line_option:
lang_section_start($1,exp_intop($3));
hex_mode = 0;
}
-
+ | OPTION_y
+ {
+ add_ysym($1);
+ }
| OPTION_Aarch
{
ldfile_add_arch($1);
@@ -307,7 +314,7 @@ command_line_option:
| OPTION_T filename
{ ldfile_open_command_file($2); } script_file
-END { ldlex_command();}
+ END { ldlex_command();}
| OPTION_l
{
@@ -325,7 +332,9 @@ END { ldlex_command();}
| OPTION_defsym { ldlex_defsym(); }
NAME '=' exp DEFSYMEND { ldlex_popstate();
lang_add_assignment(exp_assop($4,$3,$5));
- }
+ }
+ | OPTION_RETAIN_SYMBOLS_FILE filename
+ { lang_add_keepsyms_file ($2); }
| '-' NAME
{ info("%P%F Unrecognized option -%s\n", $2); }
@@ -375,6 +384,10 @@ mri_script_command:
{ 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
@@ -385,6 +398,8 @@ mri_script_command:
{ mri_alias($2,0,$4);}
| BASE exp
{ mri_base($2); }
+ | TRUNCATE INT
+ { mri_truncate($2); }
|
;
@@ -449,6 +464,8 @@ ifile_p1:
| INPUT '(' input_list ')'
| MAP '(' filename ')'
{ lang_add_map($3); }
+ | INCLUDE filename
+ { ldfile_open_command_file($2); } ifile_list END
;
input_list:
@@ -759,50 +776,37 @@ exp :
section: NAME { ldlex_expression(); }
- opt_exp { ldlex_popstate(); }
- opt_type opt_block ':' opt_things'{'
+ opt_exp_with_type { ldlex_popstate(); }
+ '{'
{
- lang_enter_output_section_statement($1,$3,$5,$6);
+ lang_enter_output_section_statement($1,$3,typebits,0,0,0);
}
- statement '}' {ldlex_expression();} fill_opt memspec_opt
+ statement
+ '}' {ldlex_expression();} fill_opt memspec_opt
{
ldlex_popstate();
- lang_leave_output_section_statement($14, $15);
+ lang_leave_output_section_statement($10, $11);
}
opt_comma
;
-opt_type:
- NOLOAD { $$ = SEC_NEVER_LOAD; }
- | DSECT { $$ = 0; }
- | COPY { $$ = 0; }
- | INFO { $$ = 0; }
- | OVERLAY { $$ = 0; }
- | { $$ = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS; }
+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; }
;
-opt_things:
- {
- };
-
-opt_exp:
- exp
- { $$ = $1; }
- | { $$= (etree_type *)NULL; }
+opt_exp_with_type:
+ exp ':' { $$ = $1; typebits =0;}
+ | exp '(' type ')' ':' { $$ = $1; }
+ | ':' { $$= (etree_type *)NULL; typebits = 0}
;
-opt_block:
- BLOCK '(' exp ')'
- { $$ = exp_get_value_int($3,
- 1L,
- "block",
- lang_first_phase_enum);
- }
- | { $$ = 1; }
- ;
-
memspec_opt:
'>' NAME
{ $$ = $2; }