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-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/ada-valprint.c34
-rw-r--r--gdb/testsuite/ChangeLog5
-rw-r--r--gdb/testsuite/gdb.ada/arr_enum_idx_w_gap.exp33
-rw-r--r--gdb/testsuite/gdb.ada/arr_enum_idx_w_gap/foo_q418_043.adb24
5 files changed, 102 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 16b0f43..af35cb5 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2018-01-08 Xavier Roirand <roirand@adacore.com>
+
+ * ada-valprint.c (val_print_packed_array_elements): Use
+ proper number of elements when printing an array indexed
+ by an enumeration type.
+
2018-01-07 Simon Marchi <simon.marchi@polymtl.ca>
* dwarf2read.c (struct dwarf2_cu) <dwarf2_per_objfile>: Remove.
diff --git a/gdb/ada-valprint.c b/gdb/ada-valprint.c
index f5a2c3c..a486919 100644
--- a/gdb/ada-valprint.c
+++ b/gdb/ada-valprint.c
@@ -141,11 +141,45 @@ val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr,
{
LONGEST high;
+ struct type *base_index_type;
if (get_discrete_bounds (index_type, &low, &high) < 0)
len = 1;
else
len = high - low + 1;
+
+ if (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
+ base_index_type = TYPE_TARGET_TYPE (index_type);
+ else
+ base_index_type = index_type;
+
+ if (TYPE_CODE (base_index_type) == TYPE_CODE_ENUM)
+ {
+ LONGEST low_pos, high_pos;
+
+ /* Non-contiguous enumerations types can by used as index types
+ so the array length is computed from the positions of the
+ first and last literal in the enumeration type, and not from
+ the values of these literals. */
+
+ if (!discrete_position (base_index_type, low, &low_pos)
+ || !discrete_position (base_index_type, high, &high_pos))
+ {
+ warning (_("unable to get positions in array, use bounds instead"));
+ low_pos = low;
+ high_pos = high;
+ }
+
+ /* The array length should normally be HIGH_POS - LOW_POS + 1.
+ But in Ada we allow LOW_POS to be greater than HIGH_POS for
+ empty arrays. In that situation, the array length is just zero,
+ not negative! */
+
+ if (low_pos > high_pos)
+ len = 0;
+ else
+ len = high_pos - low_pos + 1;
+ }
}
i = 0;
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index e87099b..baa0104 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-08 Joel Brobecker <brobecker@adacore.com>
+
+ * gdb.ada/arr_enum_idx_w_gap.exp
+ * gdb.ada/arr_enum_idx_w_gap/foo_q418_043.adb
+
2018-01-05 Pedro Alves <palves@redhat.com>
PR gdb/18653
diff --git a/gdb/testsuite/gdb.ada/arr_enum_idx_w_gap.exp b/gdb/testsuite/gdb.ada/arr_enum_idx_w_gap.exp
new file mode 100644
index 0000000..ad706d4
--- /dev/null
+++ b/gdb/testsuite/gdb.ada/arr_enum_idx_w_gap.exp
@@ -0,0 +1,33 @@
+# Copyright 2018 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/>.
+
+load_lib "ada.exp"
+
+standard_ada_testfile foo_q418_043
+
+if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug ]] != "" } {
+ return -1
+}
+
+clean_restart ${testfile}
+
+set bp_location [gdb_get_line_number "BREAK" ${testdir}/foo_q418_043.adb]
+if ![runto "foo_q418_043.adb:$bp_location" ] then {
+ perror "Couldn't run ${testfile}"
+ return
+}
+
+gdb_test "print A" \
+ " = \\(42, 42\\)"
diff --git a/gdb/testsuite/gdb.ada/arr_enum_idx_w_gap/foo_q418_043.adb b/gdb/testsuite/gdb.ada/arr_enum_idx_w_gap/foo_q418_043.adb
new file mode 100644
index 0000000..66ed5b4
--- /dev/null
+++ b/gdb/testsuite/gdb.ada/arr_enum_idx_w_gap/foo_q418_043.adb
@@ -0,0 +1,24 @@
+-- Copyright 2018 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/>.
+
+procedure Foo_Q418_043 is
+ type Index is (Index1, Index2);
+ Size : constant Integer := 10;
+ for Index use (Index1 => 1, Index2 => Size);
+ type Array_Index_Enum is array (Index) of Integer;
+ A : Array_Index_Enum :=(others => 42);
+begin
+ A(Index2) := 4242; --BREAK
+end Foo_Q418_043;