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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [testsuite/] [gdb.reverse/] [until-precsave.exp] - Rev 227

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# 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 <http://www.gnu.org/licenses/>.  */

# This file is part of the GDB testsuite.  It tests 'until' and 
# 'advance' in precord logfile.

# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
    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 "record" "" "Turn on process record"
    # FIXME: command ought to acknowledge, so we can test if it succeeded.
}

set end_of_main [gdb_get_line_number "set breakpoint 10a here" ]
gdb_test "break $end_of_main" \
    "Breakpoint $decimal at .*/$srcfile, line $end_of_main\." \
    "BP at end of main"

gdb_test "continue" "Breakpoint .* set breakpoint 10a here .*" "run to end of main"

gdb_test "record save until.precsave" \
    "Saved core file until.precsave with execution log\."  \
    "save process recfile"

gdb_test "kill" "" "Kill process, prepare to debug log file" \
    "Kill the program being debugged\\? \\(y or n\\) " "y"

gdb_test "record restore until.precsave" \
    "Program terminated with signal .*" \
    "reload core file"

# Verify that plain vanilla "until <location>" 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
# FIXME: command needs to acknowledge, so we can test if it succeeded.

gdb_test "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"

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