gdb: add target_ops::supports_displaced_step

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

diff --git a/gdb/cp-abi.h b/gdb/cp-abi.h
index 53c8f93c43bd2aa28d3f5281d50f57f950249e7d..5e9ffbe3d24672d8867f0f2c6f6416489de515aa 100644 (file)
--- a/gdb/cp-abi.h
+++ b/gdb/cp-abi.h
@@ -3,8 +3,7 @@
 
    Contributed by Daniel Berlin <dberlin@redhat.com>
 
-   Copyright (C) 2001, 2005, 2006, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2001-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -21,8 +20,8 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#ifndef CP_ABI_H_
-#define CP_ABI_H_ 1
+#ifndef CP_ABI_H
+#define CP_ABI_H
 
 struct fn_field;
 struct type;
@@ -136,21 +135,21 @@ extern struct value *value_virtual_fn_field (struct value **valuep,
    FULL, TOP, and USING_ENC can each be zero, in which case we don't
    provide the corresponding piece of information.  */
 extern struct type *value_rtti_type (struct value *value,
-                                     int *full, int *top,
+                                     int *full, LONGEST *top,
                                     int *using_enc);
 
-/* Compute the offset of the baseclass which is
-   the INDEXth baseclass of class TYPE,
-   for value at VALADDR (in host) at ADDRESS (in target).
-   The result is the offset of the baseclass value relative
-   to (the address of)(ARG) + OFFSET.
+/* Compute the offset of the baseclass which is the INDEXth baseclass
+   of class TYPE, for value at VALADDR (in host) at ADDRESS (in
+   target), offset by EMBEDDED_OFFSET.  VALADDR points to the raw
+   contents of VAL.  The result is the offset of the baseclass value
+   relative to (the address of)(ARG) + OFFSET.  */
 
-   -1 is returned on error.  */
+extern int baseclass_offset (struct type *type,
+                            int index, const gdb_byte *valaddr,
+                            LONGEST embedded_offset,
+                            CORE_ADDR address,
+                            const struct value *val);
 
-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.  */
@@ -174,6 +173,33 @@ struct value *cplus_method_ptr_to_value (struct value **this_p,
 void cplus_make_method_ptr (struct type *type, gdb_byte *CONTENTS,
                            CORE_ADDR address, int is_virtual);
 
+/* Print the vtable for VALUE, if there is one.  If there is no
+   vtable, print a message, but do not throw.  */
+
+void cplus_print_vtable (struct value *value);
+
+/* Implement 'typeid': find the type info for VALUE, if possible.  If
+   the type info cannot be found, throw an exception.  */
+
+extern struct value *cplus_typeid (struct value *value);
+
+/* Return the type of 'typeid' for the current C++ ABI on the given
+   architecture.  */
+
+extern struct type *cplus_typeid_type (struct gdbarch *gdbarch);
+
+/* Given a value which holds a pointer to a std::type_info, return the
+   type which that type_info represents.  Throw an exception if the
+   type cannot be found.  */
+
+extern struct type *cplus_type_from_type_info (struct value *value);
+
+/* Given a value which holds a pointer to a std::type_info, return the
+   name of the type which that type_info represents.  Throw an
+   exception if the type name cannot be found.  */
+
+extern std::string cplus_typename_from_type_info (struct value *value);
+
 /* 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.  */
@@ -181,9 +207,11 @@ void cplus_make_method_ptr (struct type *type, gdb_byte *CONTENTS,
 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);
+/* Return a struct that provides pass-by-reference information
+   about the given TYPE.  */
+
+extern struct language_pass_by_ref_info cp_pass_by_reference
+  (struct type *type);
 
 struct cp_abi_ops
 {
@@ -202,10 +230,10 @@ 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);
+                            LONGEST *top, int *using_enc);
   int (*baseclass_offset) (struct type *type, int index,
-                          const bfd_byte *valaddr,
-                          CORE_ADDR address);
+                          const bfd_byte *valaddr, LONGEST embedded_offset,
+                          CORE_ADDR address, const struct value *val);
   void (*print_method_ptr) (const gdb_byte *contents,
                            struct type *type,
                            struct ui_file *stream);
@@ -214,13 +242,17 @@ struct cp_abi_ops
                           CORE_ADDR, int);
   struct value * (*method_ptr_to_value) (struct value **,
                                         struct value *);
+  void (*print_vtable) (struct value *);
+  struct value *(*get_typeid) (struct value *value);
+  struct type *(*get_typeid_type) (struct gdbarch *gdbarch);
+  struct type *(*get_type_from_type_info) (struct value *value);
+  std::string (*get_typename_from_type_info) (struct value *value);
   CORE_ADDR (*skip_trampoline) (struct frame_info *, CORE_ADDR);
-  int (*pass_by_reference) (struct type *type);
+  struct language_pass_by_ref_info (*pass_by_reference) (struct type *type);
 };
 
 
 extern int register_cp_abi (struct cp_abi_ops *abi);
 extern void set_cp_abi_as_auto_default (const char *short_name);
 
-#endif
-
+#endif /* CP_ABI_H */