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[deliverable/binutils-gdb.git] / gdb / cp-abi.h

diff --git a/gdb/cp-abi.h b/gdb/cp-abi.h
index 7c1e9521e033fbadbf3bc399f107deffe1b7aa75..18b5201645f1620478b5ed9e333c21cf79f31087 100644 (file)
--- a/gdb/cp-abi.h
+++ b/gdb/cp-abi.h
@@ -1,15 +1,15 @@
 /* Abstraction of various C++ ABI's we support, and the info we need
    to get from them.
+
    Contributed by Daniel Berlin <dberlin@redhat.com>
-   Copyright 2001 Free Software Foundation, Inc.
+
+   Copyright (C) 2001, 2005, 2006, 2007, 2008 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
+   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 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -18,14 +18,16 @@
    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 CP_ABI_H_
 #define CP_ABI_H_ 1
 
+struct fn_field;
+struct type;
 struct value;
+struct ui_file;
+struct frame_info;
 
 /* The functions here that attempt to determine what sort of thing a
    mangled name refers to may well be revised in the future.  It would
@@ -119,7 +121,7 @@ extern struct value *value_virtual_fn_field (struct value **valuep,
        of the complete object to the start of the embedded subobject
        VALUE represents.  In other words, the enclosing object starts
        at VALUE_ADDR (VALUE) + VALUE_OFFSET (VALUE) +
-       VALUE_EMBEDDED_OFFSET (VALUE) + *TOP
+       value_embedded_offset (VALUE) + *TOP
      - If *USING_ENC is non-zero, then *TOP is the offset from the
        address of the complete object to the enclosing object stored
        in VALUE.  In other words, the enclosing object starts at
@@ -140,9 +142,40 @@ extern struct type *value_rtti_type (struct value *value,
 
    -1 is returned on error. */
 
-extern int baseclass_offset (struct type *type, int index, char *valaddr,
-                            CORE_ADDR address);
+extern int baseclass_offset (struct type *type, int index,
+                            const bfd_byte *valaddr, CORE_ADDR address);
                   
+/* Describe the target of a pointer to method.  CONTENTS is the byte
+   pattern representing the pointer to method.  TYPE is the pointer to
+   method type.  STREAM is the stream to print it to.  */
+void cplus_print_method_ptr (const gdb_byte *contents, struct type *type,
+                            struct ui_file *stream);
+
+/* Return the size of a pointer to member function for the current
+   architecture.  */
+int cplus_method_ptr_size (void);
+
+/* Return the method which should be called by applying METHOD_PTR
+   to *THIS_P, and adjust *THIS_P if necessary.  */
+struct value *cplus_method_ptr_to_value (struct value **this_p,
+                                        struct value *method_ptr);
+
+/* Create the byte pattern in CONTENTS representing a pointer to
+   member function at ADDRESS (if IS_VIRTUAL is 0) or with virtual
+   table offset ADDRESS (if IS_VIRTUAL is 1).  This is the opposite
+   of cplus_method_ptr_to_value.  */
+void cplus_make_method_ptr (gdb_byte *CONTENTS, CORE_ADDR address,
+                           int is_virtual);
+
+/* Determine if we are currently in a C++ thunk.  If so, get the address
+   of the routine we are thunking to and continue to there instead.  */
+
+CORE_ADDR cplus_skip_trampoline (struct frame_info *frame, CORE_ADDR stop_pc);
+
+/* Return non-zero if an argument of type TYPE should be passed by reference
+   instead of value.  */
+extern int cp_pass_by_reference (struct type *type);
+
 struct cp_abi_ops
 {
   const char *shortname;
@@ -158,16 +191,20 @@ struct cp_abi_ops
                                     int j, struct type * type, int offset);
   struct type *(*rtti_type) (struct value *v, int *full, int *top,
                             int *using_enc);
-  int (*baseclass_offset) (struct type *type, int index, char *valaddr,
-                          CORE_ADDR address);
+  int (*baseclass_offset) (struct type *type, int index,
+                          const bfd_byte *valaddr, CORE_ADDR address);
+  void (*print_method_ptr) (const gdb_byte *contents, struct type *type,
+                           struct ui_file *stream);
+  int (*method_ptr_size) (void);
+  void (*make_method_ptr) (gdb_byte *, CORE_ADDR, int);
+  struct value * (*method_ptr_to_value) (struct value **, struct value *);
+  CORE_ADDR (*skip_trampoline) (struct frame_info *, CORE_ADDR);
+  int (*pass_by_reference) (struct type *type);
 };
 
 
-extern struct cp_abi_ops *cp_abis;
-extern int num_cp_abis;
-extern struct cp_abi_ops current_cp_abi;
-extern int register_cp_abi (struct cp_abi_ops abi);
-extern int switch_to_cp_abi (const char *short_name);
+extern int register_cp_abi (struct cp_abi_ops *abi);
+extern void set_cp_abi_as_auto_default (const char *short_name);
 
 #endif