Merge GDB 7.5.1

gdb/testsuite/gdb.ada/mi_task_arg.exp

Index: gdb/testsuite/gdb.ada/mi_task_arg.exp
diff --git a/gdb/testsuite/gdb.ada/mi_task_arg.exp b/gdb/testsuite/gdb.ada/mi_task_arg.exp
new file mode 100644
index 0000000000000000000000000000000000000000..0b2013cecd369ca9de1c46318abed5c645906c66
--- /dev/null
+++ b/gdb/testsuite/gdb.ada/mi_task_arg.exp
@@ -0,0 +1,54 @@
+# Copyright 2011-2012 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"
+
+set testdir "mi_task_arg"
+set testfile "${testdir}/task_switch"
+set srcfile ${srcdir}/${subdir}/${testfile}.adb
+set binfile ${objdir}/${subdir}/${testfile}
+
+file mkdir ${objdir}/${subdir}/${testdir}
+if {[gdb_compile_ada "${srcfile}" "${binfile}" executable [list debug additional_flags=-gnata ]] != "" } {
+  return -1
+}
+
+load_lib mi-support.exp
+set MIFLAGS "-i=mi"
+
+gdb_exit
+if [mi_gdb_start] {
+    continue
+}
+
+mi_delete_breakpoints
+mi_gdb_reinitialize_dir $srcdir/$subdir
+mi_gdb_load ${binfile}
+
+# This test won't work properly if system debuginfo is installed.
+mi_gdb_test "-gdb-set debug-file-directory \"\"" ".*"
+
+if ![mi_runto "task_switch.break_me"] then {
+   fail "Cannot run to main, testcase aborted"
+   return 0
+}
+
+# Verify that "-stack-list-arguments" does not cause the debugger to
+# crash when printing the arguments of frame 1 (due to the internally-
+# generated argument "_task").
+mi_gdb_test "-stack-list-arguments 1" \
+            "\\^done,stack-args=\\\[frame=\{level=\"0\",args=\\\[\\\]\},frame=\{level=\"1\",args=\\\[\{name=\"<_task>\",value=\"$hex\"\}\\\]\},frame=\{level=\"2\",args=\\\[\\\]\}.*" \
+            "-stack-list-arguments 1"
+