* cris/traps.c (TARGET_PIPE_BUF): New macro.

[deliverable/binutils-gdb.git] / ld / ldgram.y

diff --git a/ld/ldgram.y b/ld/ldgram.y
index cdb220919889a4b717b104ec2f7d8dbaee52ad9a..61ebf9eb4d5512a5e8c031eed9e29192204fdc46 100644 (file)
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -1,6 +1,6 @@
 /* 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 Free Software Foundation, Inc.
    Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
 
    This file is part of GNU ld.
@@ -48,7 +48,6 @@
 static enum section_type sectype;
 static lang_memory_region_type *region;
 
-static bfd_boolean ldgram_want_filename = TRUE;
 FILE *saved_script_handle = NULL;
 bfd_boolean force_make_executable = FALSE;
 
@@ -93,7 +92,7 @@ static int error_index;
 }
 
 %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
@@ -143,7 +142,7 @@ static int error_index;
 %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
@@ -153,9 +152,11 @@ static int error_index;
 %token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT
 %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
 
 %%
 
@@ -163,6 +164,7 @@ 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
        ;
 
@@ -649,7 +651,11 @@ assignment:
                }
        |       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));
                }
        ;
 
@@ -838,6 +844,8 @@ exp :
                        { $$ = exp_nameop (ADDR,$3); }
        |       LOADADDR '(' NAME ')'
                        { $$ = exp_nameop (LOADADDR,$3); }
+       |       CONSTANT '(' NAME ')'
+                       { $$ = exp_nameop (CONSTANT,$3); }
        |       ABSOLUTE '(' exp ')'
                        { $$ = exp_unop (ABSOLUTE, $3); }
        |       ALIGN_K '(' exp ')'
@@ -886,6 +894,11 @@ opt_at:
        |       { $$ = 0; }
        ;
 
+opt_align:
+               ALIGN_K '(' exp ')' { $$ = $3; }
+       |       { $$ = 0; }
+       ;
+
 opt_subalign:
                SUBALIGN '(' exp ')' { $$ = $3; }
        |       { $$ = 0; }
@@ -901,20 +914,21 @@ sect_constraint:
 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
                {}
@@ -951,10 +965,10 @@ section:  NAME            { ldlex_expression(); }
 
 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:
@@ -1127,6 +1141,34 @@ phdr_val:
                }
        ;
 
+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:
@@ -1210,11 +1252,19 @@ vers_tag:
 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 '{'
                        {
@@ -1223,6 +1273,9 @@ vers_defns:
                        }
                vers_defns opt_semicolon '}'
                        {
+                         struct bfd_elf_version_expr *pat;
+                         for (pat = $7; pat->next != NULL; pat = pat->next);
+                         pat->next = $1;
                          $$ = $7;
                          ldgram_vers_current_lang = $<name>6;
                        }
@@ -1236,6 +1289,30 @@ vers_defns:
                          $$ = $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: