Implement pahole-like 'ptype /o' option

[deliverable/binutils-gdb.git] / gdb / typeprint.h

diff --git a/gdb/typeprint.h b/gdb/typeprint.h
index c57cc58c7ef37f2f3bbff2feb2fca7552811aad5..2e19006f2259ecc2ceb608e36fdb78558f9de50f 100644 (file)
--- a/gdb/typeprint.h
+++ b/gdb/typeprint.h
@@ -1,12 +1,11 @@
 /* Language independent support for printing types for GDB, the GNU debugger.
-   Copyright 1986, 1988, 1989, 1991-1993, 1999, 2000
-   Free Software Foundation, Inc.
+   Copyright (C) 1986-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    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 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -15,15 +14,97 @@
    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.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef TYPEPRINT_H
 #define TYPEPRINT_H
 
+enum language;
+struct ui_file;
+struct typedef_hash_table;
+struct ext_lang_type_printers;
+
+struct print_offset_data
+{
+  /* The offset to be applied to bitpos when PRINT_OFFSETS is true.
+     This is needed for when we are printing nested structs and want
+     to make sure that the printed offset for each field carries over
+     the offset of the outter struct.  */
+  unsigned int offset_bitpos = 0;
+
+  /* END_BITPOS is the one-past-the-end bit position of the previous
+     field (where we expect the current field to be if there is no
+     hole).  */
+  unsigned int end_bitpos = 0;
+};
+
+struct type_print_options
+{
+  /* True means that no special printing flags should apply.  */
+  unsigned int raw : 1;
+
+  /* True means print methods in a class.  */
+  unsigned int print_methods : 1;
+
+  /* True means print typedefs in a class.  */
+  unsigned int print_typedefs : 1;
+
+  /* True means to print offsets, a la 'pahole'.  */
+  unsigned int print_offsets : 1;
+
+  /* The number of nested type definitions to print.  -1 == all.  */
+  int print_nested_type_limit;
+
+  /* If not NULL, a local typedef hash table used when printing a
+     type.  */
+  struct typedef_hash_table *local_typedefs;
+
+  /* If not NULL, a global typedef hash table used when printing a
+     type.  */
+  struct typedef_hash_table *global_typedefs;
+
+  /* The list of type printers associated with the global typedef
+     table.  This is intentionally opaque.  */
+  struct ext_lang_type_printers *global_printers;
+};
+
+extern const struct type_print_options type_print_raw_options;
+
+void recursively_update_typedef_hash (struct typedef_hash_table *,
+                                     struct type *);
+
+void add_template_parameters (struct typedef_hash_table *, struct type *);
+
+struct typedef_hash_table *create_typedef_hash (void);
+
+void free_typedef_hash (struct typedef_hash_table *);
+
+struct cleanup *make_cleanup_free_typedef_hash (struct typedef_hash_table *);
+
+struct typedef_hash_table *copy_typedef_hash (struct typedef_hash_table *);
+
+const char *find_typedef_in_hash (const struct type_print_options *,
+                                 struct type *);
+
 void print_type_scalar (struct type * type, LONGEST, struct ui_file *);
 
 void c_type_print_varspec_suffix (struct type *, struct ui_file *, int,
-                                 int, int);
+                                 int, int, const struct type_print_options *);
+
+void c_type_print_args (struct type *, struct ui_file *, int, enum language,
+                       const struct type_print_options *);
+
+/* Print <unknown return type> to stream STREAM.  */
+
+void type_print_unknown_return_type (struct ui_file *stream);
+
+/* Throw an error indicating that the user tried to use a symbol that
+   has unknown type.  SYM_PRINT_NAME is the name of the symbol, to be
+   included in the error message.  */
+extern void error_unknown_type (const char *sym_print_name);
+
+extern void val_print_not_allocated (struct ui_file *stream);
+
+extern void val_print_not_associated (struct ui_file *stream);
+
 #endif