Subversion Repositories openrisc_2011-10-31

# Copyright 2008, 2009, 2010 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 .  */

# This file is part of the GDB testsuite.  It tests 'until' and

# 'advance' in reverse debugging.

if ![target_info exists gdb,can_reverse] {

    return

}

set testfile "until-reverse"

set srcfile ${testfile}.c

set srcfile1 ur1.c

if { [prepare_for_testing $testfile.exp $testfile {until-reverse.c ur1.c} ] } {

    return -1

}

set bp_location1  [gdb_get_line_number "set breakpoint 1 here"]

set bp_location7  [gdb_get_line_number "set breakpoint 7 here"]

set bp_location9  [gdb_get_line_number "set breakpoint 9 here" "$srcfile1"]

set bp_location19 [gdb_get_line_number "set breakpoint 19 here"]

set bp_location20 [gdb_get_line_number "set breakpoint 20 here"]

set bp_location21 [gdb_get_line_number "set breakpoint 21 here"]

runto main

if [target_info exists gdb,use_precord] {

    # Activate process record/replay

    gdb_test_no_output "record" "Turn on process record"

}

# Verify that plain vanilla "until " works.

#

gdb_test "until $bp_location1" \

    "main .* at .*:$bp_location1.*" \

    "until line number"

# Advance up to factorial, outer invocation

#

gdb_test "advance factorial" \

    "factorial .value=6..*$srcfile:$bp_location7.*" \

    "advance to factorial"

# At this point, 'until' should continue the inferior up to when all the

# inner invocations of factorial() are completed and we are back at this

# frame.

#

gdb_test "until $bp_location19" \

    "factorial .value=720.*${srcfile}:$bp_location19.*" \

    "until factorial, recursive function"

# Finish out to main scope

#

gdb_test "finish" \

    " in main .*$srcfile:$bp_location1.*" \

    "finish to main"

# Advance to a function called by main (marker2)

#

gdb_test "advance marker2" \

    "marker2 .a=43.*$srcfile1:$bp_location9.*" \

    "advance to marker2"

# Now issue an until with another function, not called by the current

# frame, as argument. This should not work, i.e. the program should

# stop at main, the caller, where we put the 'guard' breakpoint.

#

set test_msg "until func, not called by current frame"

gdb_test_multiple "until marker3" "$test_msg" {

    -re "main .*at .*${srcfile}:$bp_location20.*$gdb_prompt $" {

        pass "$test_msg"

    }

    -re "main .*at .*${srcfile}:$bp_location21.*$gdb_prompt $" {

        pass "$test_msg"

    }

}

###

###

###

# Set reverse execution direction

gdb_test_no_output "set exec-dir reverse" "set reverse execution"

#

# We should now be at main, after the return from marker2.

# "Advance" backward into marker2.

#

gdb_test "advance marker2" \

    "marker2 .a=43.*$srcfile1:$bp_location9.*" \

    "reverse-advance to marker2"

# Finish out to main scope (backward)

gdb_test "finish" \

    " in main .*$srcfile:$bp_location20.*" \

    "reverse-finish from marker2"

# Advance backward to last line of factorial (outer invocation)

gdb_test "advance $bp_location19" \

    "factorial .value=720.*${srcfile}:$bp_location19.*" \

    "reverse-advance to final return of factorial"

# Now do "until" across the recursive calls,

# ending up in the same frame where we are now.

gdb_test "until $bp_location7" \

    "factorial .value=6..*$srcfile:$bp_location7.*" \

    "reverse-until to entry of factorial"