Fix segfault when .plt section does not exist

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

diff --git a/ld/ldgram.y b/ld/ldgram.y
index e76a0a3079f6f2fdc83b4a240a0f7fcd9a7195c2..849f272f99a8df1fda61d9e75d54a43832012165 100644 (file)
--- a/ld/ldgram.y
+++ b/ld/ldgram.y
@@ -1,5 +1,5 @@
 /* A YACC grammar to parse a superset of the AT&T linker scripting language.
-   Copyright (C) 1991-2014 Free Software Foundation, Inc.
+   Copyright (C) 1991-2017 Free Software Foundation, Inc.
    Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com).
 
    This file is part of the GNU Binutils.
@@ -92,7 +92,7 @@ static int error_index;
 %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
+%type <wildcard_list> section_NAME_list
 %type <flag_info_list> sect_flag_list
 %type <flag_info> sect_flags
 %type <name> memspec_opt casesymlist
@@ -141,7 +141,7 @@ static int error_index;
 %token DEFINED TARGET_K SEARCH_DIR MAP ENTRY
 %token <integer> NEXT
 %token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K
-%token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS
+%token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS NOCROSSREFS_TO
 %token ORIGIN FILL
 %token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS
 %token ALIGNMOD AT SUBALIGN HIDDEN PROVIDE PROVIDE_HIDDEN AS_NEEDED
@@ -353,6 +353,10 @@ ifile_p1:
                {
                  lang_add_nocrossref ($3);
                }
+       |       NOCROSSREFS_TO '(' nocrossref_list ')'
+               {
+                 lang_add_nocrossref_to ($3);
+               }
        |       EXTERN '(' extern_name_list ')'
        |       INSERT_K AFTER NAME
                { lang_add_insert ($3, 0); }
@@ -592,8 +596,8 @@ exclude_name_list:
                        }
        ;
 
-file_NAME_list:
-               file_NAME_list opt_comma wildcard_spec
+section_NAME_list:
+               section_NAME_list opt_comma wildcard_spec
                        {
                          struct wildcard_list *tmp;
                          tmp = (struct wildcard_list *) xmalloc (sizeof *tmp);
@@ -631,11 +635,11 @@ input_section_spec_no_keep:
                          tmp.section_flag_list = $1;
                          lang_add_wild (&tmp, NULL, ldgram_had_keep);
                        }
-        |      '[' file_NAME_list ']'
+        |      '[' section_NAME_list ']'
                        {
                          lang_add_wild (NULL, $2, ldgram_had_keep);
                        }
-        |      sect_flags '[' file_NAME_list ']'
+        |      sect_flags '[' section_NAME_list ']'
                        {
                          struct wildcard_spec tmp;
                          tmp.name = NULL;
@@ -644,11 +648,11 @@ input_section_spec_no_keep:
                          tmp.section_flag_list = $1;
                          lang_add_wild (&tmp, $3, ldgram_had_keep);
                        }
-       |       wildcard_spec '(' file_NAME_list ')'
+       |       wildcard_spec '(' section_NAME_list ')'
                        {
                          lang_add_wild (&$1, $3, ldgram_had_keep);
                        }
-       |       sect_flags wildcard_spec '(' file_NAME_list ')'
+       |       sect_flags wildcard_spec '(' section_NAME_list ')'
                        {
                          $2.section_flag_list = $1;
                          lang_add_wild (&$2, $4, ldgram_had_keep);
@@ -817,7 +821,7 @@ memory_spec:        NAME
 origin_spec:
        ORIGIN '=' mustbe_exp
                {
-                 region->origin = exp_get_vma ($3, 0, "origin");
+                 region->origin_exp = $3;
                  region->current = region->origin;
                }
        ;
@@ -825,7 +829,7 @@ origin_spec:
 length_spec:
              LENGTH '=' mustbe_exp
                {
-                 region->length = exp_get_vma ($3, -1, "length");
+                 region->length_exp = $3;
                }
        ;