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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [testsuite/] [gdb.reverse/] [consecutive-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 stepping over
# consecutive instructions in a process record logfile.

# This test suitable only for process record-replay
if ![target_info exists gdb,use_precord] {
    return
}

set testfile "consecutive-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.
}

set end_location  [gdb_get_line_number "end of main"  ]
gdb_test "break $end_location" \
    "Breakpoint $decimal at .*/$srcfile, line $end_location\." \
    "BP at end of main"

gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"

gdb_test "record save consecutive.precsave" \
    "Saved core file consecutive.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 consecutive.precsave" \
    "Program terminated with signal .*" \
    "reload precord save file"

gdb_breakpoint foo
gdb_test "continue" "Breakpoint $decimal, foo .*" \
        "continue to breakpoint in foo"

set foo1_addr 0
set foo2_addr 0
set stop_addr 0

send_gdb "x /2i \$pc\n"
gdb_expect {
    global hex
    global foo1_addr
    global foo2_addr
    global gdb_prompt

    -re "=> ($hex).*\[\r\n\]+   ($hex).*$gdb_prompt $" {
        set foo1_addr $expect_out(1,string)
        set foo2_addr $expect_out(2,string)
        pass "get breakpoint address for foo"
    }
    -re ".*$gdb_prompt $" {
        fail "get breakpoint address for foo"
        return 0;
    }
    timeout {
        fail "get breakpoint address for foo (timeout)"
        return 0;
    }
}

gdb_test "break \*$foo2_addr" "Breakpoint $decimal at $foo2_addr: file .*" \
        "set bp, 2nd instr"

set testmsg "stopped at bp, 2nd instr"
gdb_test_multiple "step" $testmsg {
    -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
        set stop_addr $expect_out(1,string)
        if [eval expr "$foo2_addr == $stop_addr"] then {
            pass "stopped at bp, 2nd instr"
        } else {
            fail "stopped at bp, 2nd instr (wrong address)"
        }
    }
}

###
###
###

# 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"

# Now step backward and hope to hit the first breakpoint.

set test_msg "stopped at bp in reverse, 1st instr"
gdb_test_multiple "step" "$test_msg" {
    -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
        set stop_addr $expect_out(1,string)
        if [eval expr "$foo1_addr == $stop_addr"] then {
            pass "$test_msg"
        } else {
            fail "$test_msg (wrong address)"
        }
    }
    -re "Breakpoint $decimal, foo.*$gdb_prompt $" {
        send_gdb "print \$pc == $foo1_addr\n"
        gdb_expect {
            -re "$decimal = 1\[\r\n\]+$gdb_prompt $" {
                pass "$test_msg"
            }
            -re "$decimal = 0\[\r\n\]+$gdb_prompt $" {
                fail "$test_msg (wrong address)"
            }
        }
    }
    -re ".*$gdb_prompt $" {
        fail "$test_msg"
    }
}

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