Subversion Repositories openrisc_me

#   Copyright 1997, 1998, 1999, 2000, 2001, 2003, 2007, 2008

#   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 .

# Please email any bugs, comments, and/or additions to this file to:

# bug-gdb@prep.ai.mit.edu

# display.exp   Test display commands

#               Also do some printing stuff for coverage's sake.

#

if $tracelevel then {

        strace $tracelevel

}

set testfile display

set srcfile  ${testfile}.c

set binfile  ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {

    untested display.exp

    return -1

}

if [target_info exists gdb_stub] {

    gdb_step_for_stub;

}

# Preserve the old timeout, and set a new one that should be

# sufficient to avoid timing out during this test.

set oldtimeout $timeout

set timeout [expr "$timeout + 60"]

verbose "Timeout is now $timeout seconds" 2

# use this to debug:

#log_user 1

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

# Some coverage stuff

#

if ![target_info exists use_gdb_stub] {

    gdb_test "kill" ".*The program is not being run.*"

    gdb_test "detach" ".*"

    gdb_test "run" ".*"

    gdb_load ${binfile}

    gdb_test "kill" ".*" "kill again"

    gdb_test "detach" ".*" "detach again"

    gdb_exit

    gdb_start

    gdb_reinitialize_dir $srcdir/$subdir

    gdb_load ${binfile}

}

# Ok, on to real life

#

if ![runto_main] then {

    fail "Could not run to main - other tests will fail."

    continue

}

# Disable hardware watchpoints if necessary.

if [target_info exists gdb,no_hardware_watchpoints] {

    gdb_test "set can-use-hw-watchpoints 0" "" ""

}

gdb_test "break 14" ".*Breakpoint 2.*"           "break  do_loops"

gdb_test "cont"     ".*Breakpoint 2, do_loops.*" "get to do_loops"

# Create stopping points.

#

gdb_test "watch sum"    ".*\[Ww\]atchpoint 3: sum.*" "set watch"

gdb_test "break 19"     ".*Breakpoint 4.*" "break 19"

# Create displays for those points

#

gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"

gdb_test "disp i" ".*1: i = 0.*" "display i"

gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"

gdb_test "disp/i &k" ".*3: x/i &k(\r\n|  )$hex:.*" "display &k"

gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f"

gdb_test "disp/s &sum" ".*5: x/s &sum  $hex.*sum.:.*" "display/s &sum"

# Hit the displays

#

gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f f = 3.1415\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0\r\n\[1-9\]*: i = 0.*" "first disp"

gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f f = 4.1415\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0.*\[1-9\]*: i = 0.*" "second disp"

gdb_test "enab  disp 6" ".*No display number 6..*" "catch err"

gdb_test "disab disp 1" ".*" "disab disp 1"

gdb_test "disab disp 2" ".*" "disab disp 2"

gdb_test "enab disp 1"  ".*" "re-enab"

gdb_test "enab disp 1"  ".*" "re-enab of enab"

gdb_test "undisp 5"     ".*" "undisp"

gdb_test "info disp"    ".*Auto-display expressions now in effect.*y  /f f.*y  /1bi &k.*n  /x j.*y  i.*" "info disp"

gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit"

send_gdb "undisp\n"

gdb_expect {

    -re ".*Delete all auto-display expressions.*y or n. $" {

        send_gdb "y\n"

        gdb_expect {

            -re "y\r\n$gdb_prompt $" {

                pass "undisp all"

            }

            -re ".*$gdb_prompt $" {

                fail "some un-helpful response"

            }

            -re ".*Delete all.*$" {

                fail "re-ask question"

            }

            timeout { fail "timeout" }

        }

    }

    -re ".*$gdb_prompt $" {

        fail "undisp all"

    }

    timeout { fail "timeout" }

}

gdb_test "disab 3" ".*.*" "disab 3"

gdb_test "cont" ".*Breakpoint 4.*" "watch off"

# Now the printf tests

#

# The "finish" command may leave us mid-line in the caller on some

# targets, including but not limited to the m68k, i386 & PA.  So we

# have to arrange to step until we hit the line with the call to

# "do_vars".

send_gdb "finish\n"

gdb_expect {

    -re ".*do_loops\\(\\);.*$gdb_prompt $" {

        send_gdb "step\n"

        exp_continue

    }

    -re ".*do_vars.*$gdb_prompt $" {

        pass "finish"

    }

    -re ".*$gdb_prompt $" {

        fail "finish"

        gdb_suppress_tests

    }

    timeout  {

        fail "(timeout) finish"

        gdb_suppress_tests

    }

}

gdb_test "step"      ".*do_vars.*.*27.*"

gdb_test "tbreak 37" ".*Breakpoint 5 a.*"

gdb_test "cont"      ".*do_vars.*37.*37.*"

# Beat on printf a bit

#

gdb_test "printf" ".*Argument required.*"

gdb_test "printf %d" ".*Bad format string, missing.*"

gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"

gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"

gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"

gdb_test "printf \"\"" ".*" "re-set term"

gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"

gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"

gdb_test "printf \"%p\\n\", 0" "\\(nil\\)"

gdb_test "printf \"%p\\n\", 1" "0x1"

# play with "print", too

#

gdb_test "print/r j" ".*Undefined output format.*"

gdb_test "print j"   ".*" "debug test output"

# x/0 j doesn't produce any output and terminates PA64 process when testing

if [istarget "hppa2.0w-hp-hpux11*"] {

    xfail "'x/0 j' terminates PA64 process - skipped test point"

} else {

    gdb_test "x/0 j" ".*"

}

if [istarget "hppa*-hp-hpux*"] {

    # on HP-UX you could access the first page without getting an error

    gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"

}

gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"

gdb_test "print/s sum" " = 1000" "ignored s"

gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"

gdb_test "print/a &sum" ".*= $hex.*.*"

# If the constant below is larger than the length of main, then

# this test will (incorrectly) fail.  So use a small number.

gdb_test "print/a main+4" ".*= $hex.*<.*>.*"

gdb_test "print/a \$pc" ".*= $hex.*.*"

gdb_test "print/a &&j" ".*A .* error in expression.*"

# Done!

#

gdb_exit

# Restore the preserved old timeout value.

set timeout $oldtimeout

verbose "Timeout is now $timeout seconds" 2

return 0