Merge GDB 7.5.1

gdb/testsuite/gdb.base/valgrind-infcall.exp

+# Copyright 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/>.
+
+if [is_remote target] {
+    # The test always runs locally.
+    return 0
+}
+
+set test valgrind-infcall
+set srcfile $test.c
+set executable $test
+set binfile ${objdir}/${subdir}/${executable}
+if {[build_executable $test.exp $executable $srcfile {debug}] == -1} {
+    return -1
+}
+
+set test "spawn valgrind"
+set cmd "valgrind --vgdb-error=0 $binfile"
+set res [remote_spawn host $cmd];
+if { $res < 0 || $res == "" } {
+    verbose -log "Spawning $cmd failed."
+    unsupported $test
+    return -1
+}
+pass $test
+# Declare GDB now as running.
+set gdb_spawn_id -1
+
+# GDB started by vgdb stops already after the startup is executed, like with
+# non-extended gdbserver.  It is also not correct to run/attach the inferior.
+set use_gdb_stub 1
+
+set test "valgrind started"
+# The trailing '.' differs for different memcheck versions.
+gdb_test_multiple "" $test {
+    -re "Memcheck, a memory error detector\\.?\r\n" {
+        pass $test
+    }
+    -re "valgrind: failed to start tool 'memcheck' for platform '.*': No such file or directory" {
+        unsupported $test
+        return -1
+    }
+    -re "valgrind: wrong ELF executable class" {
+        unsupported $test
+        return -1
+    }
+    -re "command not found" {
+        # The spawn succeeded, but then valgrind was not found - e.g. if
+        # we spawned SSH to a remote system.
+        unsupported $test
+        return -1
+    }
+    -re "valgrind: Bad option.*--vgdb-error=0" {
+        # valgrind is not >= 3.7.0.
+        unsupported $test
+        return -1
+    }
+}
+
+set test "vgdb prompt"
+# The trailing '.' differs for different memcheck versions.
+gdb_test_multiple "" $test {
+    -re "  (target remote | \[^\r\n\]*/vgdb \[^\r\n\]*)\r\n" {
+        set vgdbcmd $expect_out(1,string)
+        pass $test
+    }
+}
+
+# Do not kill valgrind.
+unset gdb_spawn_id
+set board [host_info name]
+unset_board_info fileid
+
+clean_restart $executable
+
+gdb_test "$vgdbcmd" " in \\.?_start .*" "target remote for vgdb"
+
+gdb_test "monitor v.set gdb_output" "valgrind output will go to gdb.*"
+
+set continue_count 1
+set loop 1
+while {$loop && $continue_count < 100} {
+    set test "continue #$continue_count"
+    gdb_test_multiple "continue" "" {
+        -re "Invalid free\\(\\).*: main .*\r\n$gdb_prompt $" {
+            pass $test
+            set loop 0
+        }
+        -re "Remote connection closed.*\r\n$gdb_prompt $" {
+            fail "$test (remote connection closed)"
+            return -1
+        }
+        -re "The program is not being run\\.\r\n$gdb_prompt $" {
+            fail "$test (valgrind vgdb has terminated)"
+            return -1
+        }
+        -re "\r\n$gdb_prompt $" {
+            pass "$test (false warning)"
+        }
+    }
+    set continue_count [expr $continue_count + 1]
+}
+
+set test "p gdb_test_infcall ()"
+gdb_test_multiple $test $test {
+    -re "unhandled instruction bytes.*\r\n$gdb_prompt $" {
+        fail $test
+    }
+    -re "Continuing \\.\\.\\..*\r\n\\\$1 = 2\r\n$gdb_prompt $" {
+        pass $test
+    }
+}