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-rw-r--r--gdb/ChangeLog11
-rw-r--r--gdb/ada-lang.c17
-rw-r--r--gdb/cp-abi.c3
-rw-r--r--gdb/gdbtypes.h10
-rw-r--r--gdb/testsuite/ChangeLog5
-rw-r--r--gdb/testsuite/gdb.ada/ptype_union.c41
-rw-r--r--gdb/testsuite/gdb.ada/ptype_union.exp34
7 files changed, 116 insertions, 5 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 22f22b9..013d80b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,14 @@
+2019-04-19 Tom Tromey <tromey@adacore.com>
+
+ * ada-lang.c (ada_is_variant_part, ada_to_fixed_type_1):
+ Check ADA_TYPE_P.
+ (empty_record, ada_template_to_fixed_record_type_1)
+ (template_to_static_fixed_type)
+ (to_record_with_fixed_variant_part): Use INIT_NONE_SPECIFIC.
+ * cp-abi.c (value_rtti_type): Check HAVE_CPLUS_STRUCT.
+ * gdbtypes.h (INIT_NONE_SPECIFIC, ADA_TYPE_P): New
+ macros.
+
2019-04-19 Ilya Yu. Malakhov <malakhov@mcst.ru>
PR symtab/24423:
diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c
index ccf8ed8..250ce43 100644
--- a/gdb/ada-lang.c
+++ b/gdb/ada-lang.c
@@ -6961,6 +6961,10 @@ ada_is_wrapper_field (struct type *type, int field_num)
int
ada_is_variant_part (struct type *type, int field_num)
{
+ /* Only Ada types are eligible. */
+ if (!ADA_TYPE_P (type))
+ return 0;
+
struct type *field_type = TYPE_FIELD_TYPE (type, field_num);
return (TYPE_CODE (field_type) == TYPE_CODE_UNION
@@ -8258,7 +8262,7 @@ empty_record (struct type *templ)
TYPE_CODE (type) = TYPE_CODE_STRUCT;
TYPE_NFIELDS (type) = 0;
TYPE_FIELDS (type) = NULL;
- INIT_CPLUS_SPECIFIC (type);
+ INIT_NONE_SPECIFIC (type);
TYPE_NAME (type) = "<empty>";
TYPE_LENGTH (type) = 0;
return type;
@@ -8312,7 +8316,7 @@ ada_template_to_fixed_record_type_1 (struct type *type,
rtype = alloc_type_copy (type);
TYPE_CODE (rtype) = TYPE_CODE_STRUCT;
- INIT_CPLUS_SPECIFIC (rtype);
+ INIT_NONE_SPECIFIC (rtype);
TYPE_NFIELDS (rtype) = nfields;
TYPE_FIELDS (rtype) = (struct field *)
TYPE_ALLOC (rtype, nfields * sizeof (struct field));
@@ -8587,7 +8591,7 @@ template_to_static_fixed_type (struct type *type0)
{
TYPE_TARGET_TYPE (type0) = type = alloc_type_copy (type0);
TYPE_CODE (type) = TYPE_CODE (type0);
- INIT_CPLUS_SPECIFIC (type);
+ INIT_NONE_SPECIFIC (type);
TYPE_NFIELDS (type) = nfields;
TYPE_FIELDS (type) = (struct field *)
TYPE_ALLOC (type, nfields * sizeof (struct field));
@@ -8636,7 +8640,7 @@ to_record_with_fixed_variant_part (struct type *type, const gdb_byte *valaddr,
rtype = alloc_type_copy (type);
TYPE_CODE (rtype) = TYPE_CODE_STRUCT;
- INIT_CPLUS_SPECIFIC (rtype);
+ INIT_NONE_SPECIFIC (rtype);
TYPE_NFIELDS (rtype) = nfields;
TYPE_FIELDS (rtype) =
(struct field *) TYPE_ALLOC (rtype, nfields * sizeof (struct field));
@@ -9005,6 +9009,11 @@ ada_to_fixed_type_1 (struct type *type, const gdb_byte *valaddr,
CORE_ADDR address, struct value *dval, int check_tag)
{
type = ada_check_typedef (type);
+
+ /* Only un-fixed types need to be handled here. */
+ if (!HAVE_GNAT_AUX_INFO (type))
+ return type;
+
switch (TYPE_CODE (type))
{
default:
diff --git a/gdb/cp-abi.c b/gdb/cp-abi.c
index d95b140..bbb74d4 100644
--- a/gdb/cp-abi.c
+++ b/gdb/cp-abi.c
@@ -109,7 +109,8 @@ value_rtti_type (struct value *v, int *full,
{
struct type *ret = NULL;
- if ((current_cp_abi.rtti_type) == NULL)
+ if ((current_cp_abi.rtti_type) == NULL
+ || !HAVE_CPLUS_STRUCT (check_typedef (value_type (v))))
return NULL;
try
{
diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h
index 2125ed9..a5f6afc 100644
--- a/gdb/gdbtypes.h
+++ b/gdb/gdbtypes.h
@@ -1255,6 +1255,10 @@ extern void allocate_cplus_struct_type (struct type *);
(TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_CPLUS_STUFF \
&& TYPE_RAW_CPLUS_SPECIFIC (type) != &cplus_struct_default)
+#define INIT_NONE_SPECIFIC(type) \
+ (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_NONE, \
+ TYPE_MAIN_TYPE (type)->type_specific = {})
+
extern const struct gnat_aux_type gnat_aux_default;
extern void allocate_gnat_aux_type (struct type *);
@@ -1268,6 +1272,12 @@ extern void allocate_gnat_aux_type (struct type *);
#define HAVE_GNAT_AUX_INFO(type) \
(TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_GNAT_STUFF)
+/* * True if TYPE is known to be an Ada type of some kind. */
+#define ADA_TYPE_P(type) \
+ (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_GNAT_STUFF \
+ || (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_NONE \
+ && TYPE_FIXED_INSTANCE (type)))
+
#define INIT_FUNC_SPECIFIC(type) \
(TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_FUNC, \
TYPE_MAIN_TYPE (type)->type_specific.func_stuff = (struct func_type *) \
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 89058f4..aaa110c 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2019-04-19 Tom Tromey <tromey@adacore.com>
+ * gdb.ada/ptype_union.c: New file.
+ * gdb.ada/ptype_union.exp: New file.
+
+2019-04-19 Tom Tromey <tromey@adacore.com>
+
PR symtab/24423:
* gdb.base/list0.h (foo): Add a control-l character.
diff --git a/gdb/testsuite/gdb.ada/ptype_union.c b/gdb/testsuite/gdb.ada/ptype_union.c
new file mode 100644
index 0000000..eef9c5a
--- /dev/null
+++ b/gdb/testsuite/gdb.ada/ptype_union.c
@@ -0,0 +1,41 @@
+/* This test program is part of GDB, the GNU debugger.
+
+ Copyright 2019 Free Software Foundation, Inc.
+
+ 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,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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, see <http://www.gnu.org/licenses/>. */
+
+union a
+{
+ int l;
+ double m;
+};
+
+union b
+{
+ char *n;
+ float o;
+};
+
+struct s
+{
+ union a af;
+ union b bf;
+};
+
+struct s global;
+
+int main ()
+{
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.ada/ptype_union.exp b/gdb/testsuite/gdb.ada/ptype_union.exp
new file mode 100644
index 0000000..4f33721
--- /dev/null
+++ b/gdb/testsuite/gdb.ada/ptype_union.exp
@@ -0,0 +1,34 @@
+# Copyright 2019 Free Software Foundation, Inc.
+
+# 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,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# 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, see <http://www.gnu.org/licenses/>.
+
+standard_testfile .c
+
+if {[prepare_for_testing "failed to prepare" ${testfile} ${srcfile}]} {
+ return -1
+}
+
+# The test case is written in C, because it was easy to make the
+# required type there; but the bug itself only happens in Ada.
+gdb_test "set lang ada" ""
+
+gdb_test "ptype global" \
+ [multi_line \
+ "type = record" \
+ "\[ \t\]*af: a;" \
+ "\[ \t\]*bf: b;" \
+ "end record"]
+
+gdb_test "print global" \
+ " = \\(af => \\(l => 0, m => 0.0\\), bf => \\(n => 0x0, o => 0.0\\)\\)"