gdb: resume ongoing step after handling fork or vfork

[deliverable/binutils-gdb.git] / include / hashtab.h

diff --git a/include/hashtab.h b/include/hashtab.h
index 657652250159bd554b6d125f6b9e9335128502f6..77c5eec7905515e1da6dce423d41d9b6cf37b525 100644 (file)
--- a/include/hashtab.h
+++ b/include/hashtab.h
@@ -1,5 +1,5 @@
 /* An expandable hash tables datatype.  
-   Copyright (C) 1999, 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1999-2021 Free Software Foundation, Inc.
    Contributed by Vladimir Makarov (vmakarov@cygnus.com).
 
 This program is free software; you can redistribute it and/or modify
@@ -14,7 +14,7 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 /* This package implements basic hash table functionality.  It is possible
    to search for an entry, create an entry and destroy an entry.
@@ -38,10 +38,6 @@ extern "C" {
 
 #include "ansidecl.h"
 
-#ifndef GTY
-#define GTY(X)
-#endif
-
 /* The type for a hash code.  */
 typedef unsigned int hashval_t;
 
@@ -81,14 +77,22 @@ typedef void (*htab_free) (void *);
 typedef void *(*htab_alloc_with_arg) (void *, size_t, size_t);
 typedef void (*htab_free_with_arg) (void *, void *);
 
+/* This macro defines reserved value for empty table entry.  */
+
+#define HTAB_EMPTY_ENTRY    ((PTR) 0)
+
+/* This macro defines reserved value for table entry which contained
+   a deleted element. */
+
+#define HTAB_DELETED_ENTRY  ((PTR) 1)
+
 /* Hash tables are of the following type.  The structure
    (implementation) of this type is not needed for using the hash
    tables.  All work with hash table should be executed only through
    functions mentioned below.  The size of this structure is subject to
    change.  */
 
-struct htab GTY(())
-{
+struct htab {
   /* Pointer to hash function.  */
   htab_hash hash_f;
 
@@ -99,7 +103,7 @@ struct htab GTY(())
   htab_del del_f;
 
   /* Table itself.  */
-  void ** GTY ((use_param, length ("%h.size"))) entries;
+  void **entries;
 
   /* Current size (in entries) of the hash table.  */
   size_t size;
@@ -123,7 +127,7 @@ struct htab GTY(())
   htab_free free_f;
 
   /* Alternate allocate/free functions, which take an extra argument.  */
-  void * GTY((skip)) alloc_arg;
+  void *alloc_arg;
   htab_alloc_with_arg alloc_with_arg_f;
   htab_free_with_arg free_with_arg_f;
 
@@ -148,6 +152,9 @@ extern htab_t       htab_create_alloc_ex (size_t, htab_hash,
                                       void *, htab_alloc_with_arg,
                                       htab_free_with_arg);
 
+extern htab_t  htab_create_typed_alloc (size_t, htab_hash, htab_eq, htab_del,
+                                       htab_alloc, htab_alloc, htab_free);
+
 /* Backward-compatibility functions.  */
 extern htab_t htab_create (size_t, htab_hash, htab_eq, htab_del);
 extern htab_t htab_try_create (size_t, htab_hash, htab_eq, htab_del);
@@ -166,8 +173,8 @@ extern void *       htab_find_with_hash (htab_t, const void *, hashval_t);
 extern void ** htab_find_slot_with_hash (htab_t, const void *,
                                          hashval_t, enum insert_option);
 extern void    htab_clear_slot (htab_t, void **);
-extern void    htab_remove_elt (htab_t, void *);
-extern void    htab_remove_elt_with_hash (htab_t, void *, hashval_t);
+extern void    htab_remove_elt (htab_t, const void *);
+extern void    htab_remove_elt_with_hash (htab_t, const void *, hashval_t);
 
 extern void    htab_traverse (htab_t, htab_trav, void *);
 extern void    htab_traverse_noresize (htab_t, htab_trav, void *);
@@ -185,6 +192,9 @@ extern htab_eq htab_eq_pointer;
 /* A hash function for null-terminated strings.  */
 extern hashval_t htab_hash_string (const void *);
 
+/* An equality function for null-terminated strings.  */
+extern int htab_eq_string (const void *, const void *);
+
 /* An iterative hash function for arbitrary data.  */
 extern hashval_t iterative_hash (const void *, size_t, hashval_t);
 /* Shorthand for hashing something with an intrinsic size.  */