X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Fcp-abi.c;h=14552d1e6d95309685eb13feb2a6ad72147ba7d5;hb=809df4465f01277ab689fb82b3f16ff79f9a2606;hp=b9dac53df523700a50824ae3b6daeb444009fc73;hpb=e933e53888498476dd40ce8e87fb18d8909499b2;p=binutils-gdb.git

diff --git a/gdb/cp-abi.c b/gdb/cp-abi.c
index b9dac53df52..14552d1e6d9 100644
--- a/gdb/cp-abi.c
+++ b/gdb/cp-abi.c
@@ -1,11 +1,13 @@
 /* Generic code for supporting multiple C++ ABI's
-   Copyright 2001 Free Software Foundation, Inc.
+
+   Copyright (C) 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2010
+   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,
@@ -14,25 +16,32 @@
    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/>.  */
 
 #include "defs.h"
 #include "value.h"
 #include "cp-abi.h"
+#include "command.h"
+#include "exceptions.h"
+#include "gdbcmd.h"
+#include "ui-out.h"
+
+#include "gdb_string.h"
 
-struct cp_abi_ops current_cp_abi;
+static struct cp_abi_ops *find_cp_abi (const char *short_name);
 
-struct cp_abi_ops *cp_abis;
+static struct cp_abi_ops current_cp_abi = { "", NULL };
+static struct cp_abi_ops auto_cp_abi = { "auto", NULL };
 
-int num_cp_abis = 0;
+#define CP_ABI_MAX 8
+static struct cp_abi_ops *cp_abis[CP_ABI_MAX];
+static int num_cp_abis = 0;
 
 enum ctor_kinds
 is_constructor_name (const char *name)
 {
   if ((current_cp_abi.is_constructor_name) == NULL)
-    error ("ABI doesn't define required function is_constructor_name");
+    error (_("ABI doesn't define required function is_constructor_name"));
   return (*current_cp_abi.is_constructor_name) (name);
 }
 
@@ -40,7 +49,7 @@ enum dtor_kinds
 is_destructor_name (const char *name)
 {
   if ((current_cp_abi.is_destructor_name) == NULL)
-    error ("ABI doesn't define required function is_destructor_name");
+    error (_("ABI doesn't define required function is_destructor_name"));
   return (*current_cp_abi.is_destructor_name) (name);
 }
 
@@ -48,7 +57,7 @@ int
 is_vtable_name (const char *name)
 {
   if ((current_cp_abi.is_vtable_name) == NULL)
-    error ("ABI doesn't define required function is_vtable_name");
+    error (_("ABI doesn't define required function is_vtable_name"));
   return (*current_cp_abi.is_vtable_name) (name);
 }
 
@@ -56,44 +65,245 @@ int
 is_operator_name (const char *name)
 {
   if ((current_cp_abi.is_operator_name) == NULL)
-    error ("ABI doesn't define required function is_operator_name");
+    error (_("ABI doesn't define required function is_operator_name"));
   return (*current_cp_abi.is_operator_name) (name);
 }
 
+int
+baseclass_offset (struct type *type, int index, const bfd_byte *valaddr,
+		  CORE_ADDR address)
+{
+  if (current_cp_abi.baseclass_offset == NULL)
+    error (_("ABI doesn't define required function baseclass_offset"));
+  return (*current_cp_abi.baseclass_offset) (type, index, valaddr, address);
+}
+
 struct value *
-value_virtual_fn_field (struct value **arg1p, struct fn_field * f, int j,
-			struct type * type, int offset)
+value_virtual_fn_field (struct value **arg1p, struct fn_field *f, int j,
+			struct type *type, int offset)
 {
   if ((current_cp_abi.virtual_fn_field) == NULL)
     return NULL;
   return (*current_cp_abi.virtual_fn_field) (arg1p, f, j, type, offset);
 }
+
 struct type *
 value_rtti_type (struct value *v, int *full, int *top, int *using_enc)
 {
+  struct type *ret = NULL;
+  struct gdb_exception e;
+
   if ((current_cp_abi.rtti_type) == NULL)
     return NULL;
-  return (*current_cp_abi.rtti_type) (v, full, top, using_enc);
+  TRY_CATCH (e, RETURN_MASK_ERROR)
+    {
+      ret = (*current_cp_abi.rtti_type) (v, full, top, using_enc);
+    }
+  if (e.reason < 0)
+    return NULL;
+  return ret;
+}
+
+void
+cplus_print_method_ptr (const gdb_byte *contents, struct type *type,
+			struct ui_file *stream)
+{
+  if (current_cp_abi.print_method_ptr == NULL)
+    error (_("GDB does not support pointers to methods on this target"));
+  (*current_cp_abi.print_method_ptr) (contents, type, stream);
 }
 
 int
-register_cp_abi (struct cp_abi_ops abi)
+cplus_method_ptr_size (struct type *to_type)
 {
-  cp_abis =
-    xrealloc (cp_abis, (num_cp_abis + 1) * sizeof (struct cp_abi_ops));
-  cp_abis[num_cp_abis++] = abi;
+  if (current_cp_abi.method_ptr_size == NULL)
+    error (_("GDB does not support pointers to methods on this target"));
+  return (*current_cp_abi.method_ptr_size) (to_type);
+}
 
-  return 1;
+void
+cplus_make_method_ptr (struct type *type, gdb_byte *contents,
+		       CORE_ADDR value, int is_virtual)
+{
+  if (current_cp_abi.make_method_ptr == NULL)
+    error (_("GDB does not support pointers to methods on this target"));
+  (*current_cp_abi.make_method_ptr) (type, contents, value, is_virtual);
+}
+
+CORE_ADDR
+cplus_skip_trampoline (struct frame_info *frame, CORE_ADDR stop_pc)
+{
+  if (current_cp_abi.skip_trampoline == NULL)
+    return 0;
+  return (*current_cp_abi.skip_trampoline) (frame, stop_pc);
+}
 
+struct value *
+cplus_method_ptr_to_value (struct value **this_p, struct value *method_ptr)
+{
+  if (current_cp_abi.method_ptr_to_value == NULL)
+    error (_("GDB does not support pointers to methods on this target"));
+  return (*current_cp_abi.method_ptr_to_value) (this_p, method_ptr);
 }
 
 int
+cp_pass_by_reference (struct type *type)
+{
+  if ((current_cp_abi.pass_by_reference) == NULL)
+    return 0;
+  return (*current_cp_abi.pass_by_reference) (type);
+}
+
+/* Set the current C++ ABI to SHORT_NAME.  */
+
+static int
 switch_to_cp_abi (const char *short_name)
+{
+  struct cp_abi_ops *abi;
+
+  abi = find_cp_abi (short_name);
+  if (abi == NULL)
+    return 0;
+
+  current_cp_abi = *abi;
+  return 1;
+}
+
+/* Add ABI to the list of supported C++ ABI's.  */
+
+int
+register_cp_abi (struct cp_abi_ops *abi)
+{
+  if (num_cp_abis == CP_ABI_MAX)
+    internal_error (__FILE__, __LINE__,
+		    _("Too many C++ ABIs, please increase CP_ABI_MAX in cp-abi.c"));
+
+  cp_abis[num_cp_abis++] = abi;
+
+  return 1;
+}
+
+/* Set the ABI to use in "auto" mode to SHORT_NAME.  */
+
+void
+set_cp_abi_as_auto_default (const char *short_name)
+{
+  char *new_longname, *new_doc;
+  struct cp_abi_ops *abi = find_cp_abi (short_name);
+
+  if (abi == NULL)
+    internal_error (__FILE__, __LINE__,
+		    _("Cannot find C++ ABI \"%s\" to set it as auto default."),
+		    short_name);
+
+  if (auto_cp_abi.longname != NULL)
+    xfree ((char *) auto_cp_abi.longname);
+  if (auto_cp_abi.doc != NULL)
+    xfree ((char *) auto_cp_abi.doc);
+
+  auto_cp_abi = *abi;
+
+  auto_cp_abi.shortname = "auto";
+  new_longname = xstrprintf ("currently \"%s\"", abi->shortname);
+  auto_cp_abi.longname = new_longname;
+
+  new_doc = xstrprintf ("Automatically selected; currently \"%s\"",
+	     abi->shortname);
+  auto_cp_abi.doc = new_doc;
+
+  /* Since we copy the current ABI into current_cp_abi instead of
+     using a pointer, if auto is currently the default, we need to
+     reset it.  */
+  if (strcmp (current_cp_abi.shortname, "auto") == 0)
+    switch_to_cp_abi ("auto");
+}
+
+/* Return the ABI operations associated with SHORT_NAME.  */
+
+static struct cp_abi_ops *
+find_cp_abi (const char *short_name)
 {
   int i;
+
   for (i = 0; i < num_cp_abis; i++)
-    if (strcmp (cp_abis[i].shortname, short_name) == 0)
-      current_cp_abi = cp_abis[i];
-  return 1;
+    if (strcmp (cp_abis[i]->shortname, short_name) == 0)
+      return cp_abis[i];
+
+  return NULL;
+}
+
+/* Display the list of registered C++ ABIs.  */
+
+static void
+list_cp_abis (int from_tty)
+{
+  struct cleanup *cleanup_chain;
+  int i;
+
+  ui_out_text (uiout, "The available C++ ABIs are:\n");
+  cleanup_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "cp-abi-list");
+  for (i = 0; i < num_cp_abis; i++)
+    {
+      char pad[14];
+      int padcount;
+
+      ui_out_text (uiout, "  ");
+      ui_out_field_string (uiout, "cp-abi", cp_abis[i]->shortname);
+
+      padcount = 16 - 2 - strlen (cp_abis[i]->shortname);
+      pad[padcount] = 0;
+      while (padcount > 0)
+	pad[--padcount] = ' ';
+      ui_out_text (uiout, pad);
+
+      ui_out_field_string (uiout, "doc", cp_abis[i]->doc);
+      ui_out_text (uiout, "\n");
+    }
+  do_cleanups (cleanup_chain);
+}
+
+/* Set the current C++ ABI, or display the list of options if no
+   argument is given.  */
+
+static void
+set_cp_abi_cmd (char *args, int from_tty)
+{
+  if (args == NULL)
+    {
+      list_cp_abis (from_tty);
+      return;
+    }
+
+  if (!switch_to_cp_abi (args))
+    error (_("Could not find \"%s\" in ABI list"), args);
 }
 
+/* Show the currently selected C++ ABI.  */
+
+static void
+show_cp_abi_cmd (char *args, int from_tty)
+{
+  ui_out_text (uiout, "The currently selected C++ ABI is \"");
+
+  ui_out_field_string (uiout, "cp-abi", current_cp_abi.shortname);
+  ui_out_text (uiout, "\" (");
+  ui_out_field_string (uiout, "longname", current_cp_abi.longname);
+  ui_out_text (uiout, ").\n");
+}
+
+extern initialize_file_ftype _initialize_cp_abi; /* -Wmissing-prototypes */
+
+void
+_initialize_cp_abi (void)
+{
+  register_cp_abi (&auto_cp_abi);
+  switch_to_cp_abi ("auto");
+
+  add_cmd ("cp-abi", class_obscure, set_cp_abi_cmd, _("\
+Set the ABI used for inspecting C++ objects.\n\
+\"set cp-abi\" with no arguments will list the available ABIs."),
+	   &setlist);
+
+  add_cmd ("cp-abi", class_obscure, show_cp_abi_cmd,
+	   _("Show the ABI used for inspecting C++ objects."), &showlist);
+}