* p-valprint.c (pascal_val_print): Use TYPE_ERROR_NAME.

	* p-typeprint.c (pascal_type_print_base): Use TYPE_ERROR_NAME.
	* m2-valprint.c (m2_val_print): Use TYPE_ERROR_NAME.
	* gdbtypes.h (TYPE_ERROR_NAME): New macro.
	* f-valprint.c (f_val_print): Use TYPE_ERROR_NAME.
	* f-typeprint.c (f_type_print_base): Use TYPE_ERROR_NAME.
	* dwarf2read.c (tag_type_to_type): Create a new error type on
	failure.
	* c-valprint.c (c_val_print): Use TYPE_ERROR_NAME.
	* c-typeprint.c (c_type_print_base): Use TYPE_ERROR_NAME.

10 files changed, 37 insertions, 10 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index fd7dd5a..de7d59b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,16 @@
+2010-06-21  Tom Tromey  <tromey@redhat.com>
+
+	* p-valprint.c (pascal_val_print): Use TYPE_ERROR_NAME.
+	* p-typeprint.c (pascal_type_print_base): Use TYPE_ERROR_NAME.
+	* m2-valprint.c (m2_val_print): Use TYPE_ERROR_NAME.
+	* gdbtypes.h (TYPE_ERROR_NAME): New macro.
+	* f-valprint.c (f_val_print): Use TYPE_ERROR_NAME.
+	* f-typeprint.c (f_type_print_base): Use TYPE_ERROR_NAME.
+	* dwarf2read.c (tag_type_to_type): Create a new error type on
+	failure.
+	* c-valprint.c (c_val_print): Use TYPE_ERROR_NAME.
+	* c-typeprint.c (c_type_print_base): Use TYPE_ERROR_NAME.
+
 2010-06-21  Michael Snyder  <msnyder@vmware.com>
 
 	* breakpoint.c (_initialize_breakpoint): Use add_prefix_cmd, 
diff --git a/gdb/c-typeprint.c b/gdb/c-typeprint.c
index 9a6bc6d..d07fb8f 100644
--- a/gdb/c-typeprint.c
+++ b/gdb/c-typeprint.c
@@ -1121,7 +1121,7 @@ c_type_print_base (struct type *type, struct ui_file *stream, int show,
       break;
 
     case TYPE_CODE_ERROR:
-      fprintf_filtered (stream, _("<unknown type>"));
+      fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
       break;
 
     case TYPE_CODE_RANGE:
diff --git a/gdb/c-valprint.c b/gdb/c-valprint.c
index e2a5b95..e205705 100644
--- a/gdb/c-valprint.c
+++ b/gdb/c-valprint.c
@@ -557,7 +557,7 @@ c_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
       break;
 
     case TYPE_CODE_ERROR:
-      fprintf_filtered (stream, _("<error type>"));
+      fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
       break;
 
     case TYPE_CODE_UNDEF:
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 613f021..f9abf0a 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -9173,9 +9173,18 @@ tag_type_to_type (struct die_info *die, struct dwarf2_cu *cu)
   this_type = read_type_die (die, cu);
   if (!this_type)
     {
-      dump_die_for_error (die);
-      error (_("Dwarf Error: Cannot find type of die [in module %s]"), 
-	     cu->objfile->name);
+      char *message, *saved;
+
+      /* read_type_die already issued a complaint.  */
+      message = xstrprintf (_("<unknown type in %s, CU 0x%x, DIE 0x%x>"),
+			    cu->objfile->name,
+			    cu->header.offset,
+			    die->offset);
+      saved = obstack_copy0 (&cu->objfile->objfile_obstack,
+			     message, strlen (message));
+      xfree (message);
+
+      this_type = init_type (TYPE_CODE_ERROR, 0, 0, saved, cu->objfile);
     }
   return this_type;
 }
diff --git a/gdb/f-typeprint.c b/gdb/f-typeprint.c
index ff013d0..d35a255 100644
--- a/gdb/f-typeprint.c
+++ b/gdb/f-typeprint.c
@@ -312,7 +312,7 @@ f_type_print_base (struct type *type, struct ui_file *stream, int show,
       break;
 
     case TYPE_CODE_ERROR:
-      fprintfi_filtered (level, stream, "<unknown type>");
+      fprintfi_filtered (level, stream, "%s", TYPE_ERROR_NAME (type));
       break;
 
     case TYPE_CODE_RANGE:
diff --git a/gdb/f-valprint.c b/gdb/f-valprint.c
index 4db0b27..85f698d 100644
--- a/gdb/f-valprint.c
+++ b/gdb/f-valprint.c
@@ -398,7 +398,7 @@ f_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
       break;
 
     case TYPE_CODE_ERROR:
-      fprintf_filtered (stream, "<error type>");
+      fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
       break;
 
     case TYPE_CODE_RANGE:
diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h
index 32e5f04..ce79dc2 100644
--- a/gdb/gdbtypes.h
+++ b/gdb/gdbtypes.h
@@ -1054,6 +1054,11 @@ extern void allocate_gnat_aux_type (struct type *);
 				   || TYPE_NFN_FIELDS (thistype) == 0) &&		\
                                   (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
 
+/* A helper macro that returns the name of an error type.  If the type
+   has a name, it is used; otherwise, a default is used.  */
+#define TYPE_ERROR_NAME(type) \
+  (TYPE_NAME (type) ? TYPE_NAME (type) : _("<error type>"))
+
 struct builtin_type
 {
   /* Integral types.  */
diff --git a/gdb/m2-valprint.c b/gdb/m2-valprint.c
index 95a7a93..e27ce8c 100644
--- a/gdb/m2-valprint.c
+++ b/gdb/m2-valprint.c
@@ -652,7 +652,7 @@ m2_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
       break;
 
     case TYPE_CODE_ERROR:
-      fprintf_filtered (stream, _("<error type>"));
+      fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
       break;
 
     case TYPE_CODE_UNDEF:
diff --git a/gdb/p-typeprint.c b/gdb/p-typeprint.c
index 1792cf8..c0752b7 100644
--- a/gdb/p-typeprint.c
+++ b/gdb/p-typeprint.c
@@ -758,7 +758,7 @@ pascal_type_print_base (struct type *type, struct ui_file *stream, int show,
       break;
 
     case TYPE_CODE_ERROR:
-      fprintf_filtered (stream, "<unknown type>");
+      fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
       break;
 
       /* this probably does not work for enums */
diff --git a/gdb/p-valprint.c b/gdb/p-valprint.c
index 3d00a69..4d39bed 100644
--- a/gdb/p-valprint.c
+++ b/gdb/p-valprint.c
@@ -540,7 +540,7 @@ pascal_val_print (struct type *type, const gdb_byte *valaddr,
       break;
 
     case TYPE_CODE_ERROR:
-      fprintf_filtered (stream, "<error type>");
+      fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
       break;
 
     case TYPE_CODE_UNDEF: