1 files changed, 251 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.reverse/step-reverse.exp b/gdb/testsuite/gdb.reverse/step-reverse.exp
new file mode 100644
index 0000000..050b750
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/step-reverse.exp
@@ -0,0 +1,251 @@
+# Copyright 2008, 2009 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/>.  */
+
+# This file is part of the GDB testsuite.  It tests reverse stepping.
+# Lots of code borrowed from "step-test.exp".
+
+#
+# Test step and next in reverse
+#
+
+if ![target_info exists gdb,can_reverse] {
+    return
+}
+
+set testfile "step-reverse"
+set srcfile  ${testfile}.c
+
+if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
+    return -1
+}
+
+runto main
+
+if [target_info exists gdb,use_precord] {
+    # Activate process record/replay
+    gdb_test "record" "" "Turn on process record"
+    # FIXME: command ought to acknowledge, so we can test if it succeeded.
+}
+
+# plain vanilla step/next (no count)
+
+gdb_test "next" ".*NEXT TEST 1.*" "next test 1"
+gdb_test "step" ".*STEP TEST 1.*" "step test 1"
+
+# step/next with count
+
+gdb_test "next 2" ".*NEXT TEST 2.*" "next test 2"
+gdb_test "step 3" ".*STEP TEST 2.*" "step test 2"
+
+# step over call
+
+gdb_test "step" ".*NEXT OVER THIS CALL.*" "step up to call"
+gdb_test "next" ".*STEP INTO THIS CALL.*" "next over call"
+
+# step into call
+
+gdb_test "step" ".*ARRIVED IN CALLEE.*" "step into call"
+
+# finish out of call
+
+set test_message "finish out of fn call"
+gdb_test_multiple "finish" "$test_message" {
+    -re "FINISH TEST.*$gdb_prompt $" {
+	pass "$test_message"
+    }
+    -re "STEP INTO THIS CALL.*$gdb_prompt $" {
+	send_gdb "step\n"
+	exp_continue
+    }
+}
+
+# stepi over flat code (no calls)
+
+set test_message "simple stepi"
+gdb_test_multiple "stepi" "$test_message" {
+    -re "STEPI TEST.*$gdb_prompt $" {
+	pass "$test_message"
+    }
+    -re "FINISH TEST.*$gdb_prompt $" {
+	send_gdb "stepi\n"
+	exp_continue
+    }
+    -re "NEXTI TEST.*$gdb_prompt $" {
+	fail "$test_message (too far)"
+    }
+}
+
+# stepi into a function call
+
+set test_message "stepi into function call"
+gdb_test_multiple "stepi" "$test_message" {
+    -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
+	pass "$test_message"
+    }
+    -re "NEXTI TEST.*$gdb_prompt $" {
+	fail "$test_message (too far)"
+    }
+    -re "RETURN FROM CALLEE.*$gdb_prompt $" {
+	fail "$test_message (too far)"
+    }
+    -re "ENTER CALLEE.*$gdb_prompt $" {
+	send_gdb "stepi\n"
+	exp_continue
+    }
+}
+
+# stepi thru return of a function call
+
+set test_message "stepi back from function call"
+gdb_test_multiple "stepi" "$test_message" {
+    -re "NEXTI TEST.*$gdb_prompt $" {
+	pass "$test_message"
+    }
+    -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
+	send_gdb "stepi\n"
+	exp_continue
+    }
+    -re "RETURN FROM CALLEE.*$gdb_prompt $" {
+	send_gdb "stepi\n"
+	exp_continue
+    }
+    -re "STEPI TEST.*$gdb_prompt $" {
+	send_gdb "stepi\n"
+	exp_continue
+    }
+    -re "ENTER CALLEE.*$gdb_prompt $" {
+	fail "$test_message (too far)"
+    }
+}
+
+###
+###
+###
+
+# Set reverse execution direction
+# FIXME: command needs to acknowledge, so we can test if it succeeded.
+
+gdb_test "set exec-dir reverse" "" "set reverse execution"
+
+# stepi backward thru return and into a function
+
+set stepi_location  [gdb_get_line_number "ARRIVED IN CALLEE" "$srcfile"]
+set test_message "reverse stepi thru function return"
+gdb_test_multiple "stepi" "$test_message" {
+    -re "NEXTI TEST.*$gdb_prompt $" {
+	fail "$test_message (start statement)"
+    }
+    -re "RETURN FROM CALLEE.*$gdb_prompt $" {
+	send_gdb "stepi\n"
+	exp_continue
+    }
+    -re "$hex\[ \t\]*$stepi_location.*ARRIVED IN CALLEE.*$gdb_prompt $" {
+	send_gdb "stepi\n"
+	exp_continue
+    }
+    -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
+	pass "$test_message"
+    }
+    -re "ENTER CALLEE.*$gdb_prompt $" {
+	fail "$test_message (too far)"
+    }
+    -re "STEPI TEST.*$gdb_prompt $" {
+	fail "$test_message (too far)"
+    }
+}
+
+# stepi backward out of a function call
+
+set stepi_location  [gdb_get_line_number "FINISH TEST" "$srcfile"]
+set test_message "reverse stepi from a function call"
+gdb_test_multiple "stepi" "$test_message" {
+    -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
+	fail "$test_message (start statement)"
+    }
+    -re "ENTER CALLEE.*$gdb_prompt $" {
+	send_gdb "stepi\n" 
+	exp_continue
+    }
+    -re "${hex}\[ \t\]*$stepi_location.*STEPI TEST.*$gdb_prompt $" {
+	send_gdb "stepi\n"
+	exp_continue
+    }
+    -re "STEPI TEST.*$gdb_prompt $" {
+	pass "$test_message"
+    }
+    -re "STEP INTO THIS CALL.*$gdb_prompt $" {
+	fail "$test_message (too far)"
+    }
+}
+
+# stepi backward over flat code (no calls)
+
+set stepi_location  [gdb_get_line_number "FINISH TEST" "$srcfile"]
+set test_message "simple reverse stepi"
+gdb_test_multiple "stepi" "$test_message" {
+    -re "STEPI TEST.*$gdb_prompt $" {
+	fail "$test_message (start statement)"
+    }
+    -re "$hex\[ \t\]*$stepi_location.* FINISH TEST.*$gdb_prompt $" {
+	send_gdb "stepi\n"
+	exp_continue
+    }
+    -re "$stepi_location.* FINISH TEST.*$gdb_prompt $" {
+	pass "$test_message"
+    }
+    -re "STEP INTO THIS CALL.*$gdb_prompt $" {
+	fail "$test_message (too far)"
+    }
+}
+
+# step backward into function (thru return)
+
+set test_message "reverse step into fn call"
+gdb_test_multiple "step" "$test_message" {
+    -re "RETURN FROM CALLEE.*$gdb_prompt $" {
+	send_gdb "step\n"
+	exp_continue
+    }
+    -re "ARRIVED IN CALLEE.*$gdb_prompt $" {
+	pass "$test_message"
+    }
+}
+
+# step backward out of called function (thru call)
+
+gdb_test "step" ".*STEP INTO THIS CALL.*" "reverse step out of called fn"
+
+# next backward over call
+
+gdb_test "next" ".*NEXT OVER THIS CALL.*" "reverse next over call"
+
+# step/next backward with count
+
+gdb_test "step 3" ".*REVERSE STEP TEST 1.*" "reverse step test 1"
+gdb_test "next 2" ".*REVERSE NEXT TEST 1.*" "reverse next test 1"
+
+# step/next backward without count
+
+gdb_test "step" ".*STEP TEST 1.*" "reverse step test 2"
+gdb_test "next" ".*NEXT TEST 1.*" "reverse next test 2"
+
+
+
+# Finish test by running forward to the end.
+# FIXME return to this later...
+# gdb_test "set exec-dir forward" "" "set forward execution"
+# gdb_continue_to_end "step-reverse.exp"
+
+return 0