Subversion Repositories openrisc_2011-10-31

# Copyright 2002, 2004, 2007, 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 was written by Michael Snyder (msnyder@redhat.com)

# This is a test for the gdb command "dump".

if $tracelevel then {

        strace $tracelevel

}

set prms_id 0

set bug_id 0

set testfile "dump"

set srcfile  ${testfile}.c

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

set options  {debug}

set is64bitonly "no"

set endian "auto"

if [istarget "alpha*-*-*"] then {

    # SREC etc cannot handle 64-bit addresses.  Force the test

    # program into the low 31 bits of the address space.

    lappend options "additional_flags=-Wl,-taso"

}

if {[istarget "ia64*-*-*"] || [istarget "hppa64-*-*"]} then {

    set is64bitonly "yes"

}

if {[istarget "spu*-*-*"]} then {

    # The internal address format used for the combined Cell/B.E.

    # debugger requires 64-bit.

    set is64bitonly "yes"

}

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

     untested dump.exp

     return -1

}

# Start with a fresh gdb.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_test "dump mem /dev/null 0x10 0x20" "Cannot access memory at address 0x10" \

         "inaccessible memory is reported"

gdb_load ${binfile}

# Clean up any stale output files from previous test runs

remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"

# Test help (FIXME:)

# Run target program until data structs are initialized.

if { ! [ runto checkpoint1 ] } then {

    untested dump.exp

    return -1

}

# Get the endianness for the later use with endianless formats.

send_gdb "show endian\n"

gdb_expect {

    -re ".* (big|little) endian.*$gdb_prompt $" {

        set endian $expect_out(1,string)

        pass "endianness: $endian"

    }

    default {

        fail "(timeout) getting target endianness"

    }

}

# Now generate some dump files.

proc make_dump_file { command msg } {

  global gdb_prompt

    send_gdb "${command}\n"

    gdb_expect {

        -re ".*\[Ee\]rror.*$gdb_prompt $"      { fail $msg }

        -re ".*\[Ww\]arning.*$gdb_prompt $"    { fail $msg }

        -re ".*\[Uu\]ndefined .*$gdb_prompt $" { fail $msg }

        -re ".*$gdb_prompt $" { pass $msg }

        timeout                                { fail "$msg (timeout)" }

    }

}

make_dump_file "dump val intarr1.bin intarray" \

        "dump array as value, default"

make_dump_file "dump val intstr1.bin intstruct" \

        "dump struct as value, default"

make_dump_file "dump bin val intarr1b.bin intarray" \

        "dump array as value, binary"

make_dump_file "dump bin val intstr1b.bin intstruct" \

        "dump struct as value, binary"

make_dump_file "dump srec val intarr1.srec intarray" \

        "dump array as value, srec"

make_dump_file "dump srec val intstr1.srec intstruct" \

        "dump struct as value, srec"

make_dump_file "dump ihex val intarr1.ihex intarray" \

        "dump array as value, intel hex"

make_dump_file "dump ihex val intstr1.ihex intstruct" \

        "dump struct as value, intel hex"

make_dump_file "dump tekhex val intarr1.tekhex intarray" \

        "dump array as value, tekhex"

make_dump_file "dump tekhex val intstr1.tekhex intstruct" \

        "dump struct as value, tekhex"

proc capture_value { expression args } {

    global gdb_prompt

    global expect_out

    set output_string ""

    if {[llength $args] > 0} {

        # Convert $args into a simple string.

        set test "[join $args]; capture $expression"

    } {

        set test "capture $expression"

    }

    gdb_test_multiple "print ${expression}" "$test" {

        -re "\\$\[0-9\]+ = (\[^\r\n\]+).*$gdb_prompt $" {

            set output_string "$expect_out(1,string)"

            pass "$test"

        }

        -re "(Cannot access memory at address \[^\r\n\]+).*$gdb_prompt $" {

            # Even a failed value is valid

            set output_string "$expect_out(1,string)"

            pass "$test"

        }

    }

    return $output_string

}

set array_start  [capture_value "/x &intarray\[0\]"]

set array_end    [capture_value "/x &intarray\[32\]"]

set struct_start [capture_value "/x &intstruct"]

set struct_end   [capture_value "/x &intstruct + 1"]

set array_val    [capture_value "intarray"]

set struct_val   [capture_value "intstruct"]

make_dump_file "dump mem intarr2.bin $array_start $array_end" \

        "dump array as memory, default"

make_dump_file "dump  mem intstr2.bin $struct_start $struct_end" \

        "dump struct as memory, default"

make_dump_file "dump bin mem intarr2b.bin $array_start $array_end" \

        "dump array as memory, binary"

make_dump_file "dump bin mem intstr2b.bin $struct_start $struct_end" \

        "dump struct as memory, binary"

make_dump_file "dump srec mem intarr2.srec $array_start $array_end" \

        "dump array as memory, srec"

make_dump_file "dump srec mem intstr2.srec $struct_start $struct_end" \

        "dump struct as memory, srec"

make_dump_file "dump ihex mem intarr2.ihex $array_start $array_end" \

        "dump array as memory, ihex"

make_dump_file "dump ihex mem intstr2.ihex $struct_start $struct_end" \

        "dump struct as memory, ihex"

make_dump_file "dump tekhex mem intarr2.tekhex $array_start $array_end" \

        "dump array as memory, tekhex"

make_dump_file "dump tekhex mem intstr2.tekhex $struct_start $struct_end" \

        "dump struct as memory, tekhex"

# test complex expressions

make_dump_file \

        "dump srec mem intarr3.srec &intarray \(char *\) &intarray + sizeof intarray" \

        "dump array as mem, srec, expressions"

# Now start a fresh gdb session, and reload the saved value files.

gdb_exit

gdb_start

gdb_file_cmd ${binfile}

# Now fix the endianness at the correct state.

send_gdb "set endian $endian\n"

gdb_expect {

    -re ".* (big|little) endian.*$gdb_prompt $" {

        pass "setting $endian endianness"

    }

    default {

        fail "(timeout) setting $endian endianness"

    }

}

# Reload saved values one by one, and compare.

if { ![string compare $array_val \

           [capture_value "intarray" "file binfile"]] } then {

    fail "start with intarray un-initialized"

} else {

    pass "start with intarray un-initialized"

}

if { ![string compare $struct_val \

           [capture_value "intstruct" "file binfile"]] } then {

    fail "start with intstruct un-initialized"

} else {

    pass "start with intstruct un-initialized"

}

proc test_reload_saved_value { filename msg oldval newval } {

    global gdb_prompt

    gdb_file_cmd $filename

    if { ![string compare $oldval \

               [capture_value $newval "$msg"]] } then {

        pass "$msg; value restored ok"

    } else {

        fail "$msg; value restored ok"

    }

}

proc test_restore_saved_value { restore_args msg oldval newval } {

    global gdb_prompt

    gdb_test "restore $restore_args" \

        "Restoring .*" \

        "$msg; file restored ok"

    if { ![string compare $oldval \

               [capture_value $newval "$msg"]] } then {

        pass "$msg; value restored ok"

    } else {

        fail "$msg; value restored ok"

    }

}

# srec format can not be loaded for 64-bit-only platforms

if ![string compare $is64bitonly "no"] then {

  test_reload_saved_value "intarr1.srec" "reload array as value, srec" \

        $array_val "intarray"

  test_reload_saved_value "intstr1.srec" "reload struct as value, srec" \

        $struct_val "intstruct"

  test_reload_saved_value "intarr2.srec" "reload array as memory, srec" \

        $array_val "intarray"

  test_reload_saved_value "intstr2.srec" "reload struct as memory, srec" \

        $struct_val "intstruct"

}

# ihex format can not be loaded for 64-bit-only platforms

if ![string compare $is64bitonly "no"] then {

  test_reload_saved_value "intarr1.ihex" "reload array as value, intel hex" \

        $array_val "intarray"

  test_reload_saved_value "intstr1.ihex" "reload struct as value, intel hex" \

        $struct_val "intstruct"

  test_reload_saved_value "intarr2.ihex" "reload array as memory, intel hex" \

        $array_val "intarray"

  test_reload_saved_value "intstr2.ihex" "reload struct as memory, intel hex" \

        $struct_val "intstruct"

}

# tekhex format can not be loaded for 64-bit-only platforms

if ![string compare $is64bitonly "no"] then {

  test_reload_saved_value "intarr1.tekhex" "reload array as value, tekhex" \

        $array_val "intarray"

  test_reload_saved_value "intstr1.tekhex" "reload struct as value, tekhex" \

        $struct_val "intstruct"

  test_reload_saved_value "intarr2.tekhex" "reload array as memory, tekhex" \

        $array_val "intarray"

  test_reload_saved_value "intstr2.tekhex" "reload struct as memory, tekhex" \

        $struct_val "intstruct"

}

# Start a fresh gdb session

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

# Run to main.

if { ! [ runto_main ] } then {

    untested dump.exp

    return -1

}

if { ![string compare $array_val \

           [capture_value "intarray" "load binfile"]] } then {

    fail "start with intarray un-initialized, runto main"

} else {

    pass "start with intarray un-initialized, runto main"

}

if { ![string compare $struct_val \

           [capture_value "intstruct" "load binfile"]] } then {

    fail "start with intstruct un-initialized, runto main"

} else {

    pass "start with intstruct un-initialized, runto main"

}

if ![string compare $is64bitonly "no"] then {

  test_restore_saved_value "intarr1.srec" "array as value, srec" \

        $array_val "intarray"

  test_restore_saved_value "intstr1.srec" "struct as value, srec" \

        $struct_val "intstruct"

  gdb_test "print zero_all ()" "void" "zero all"

  test_restore_saved_value "intarr2.srec" "array as memory, srec" \

        $array_val "intarray"

  test_restore_saved_value "intstr2.srec" "struct as memory, srec" \

        $struct_val "intstruct"

  gdb_test "print zero_all ()" ""

  test_restore_saved_value "intarr1.ihex" "array as value, ihex" \

        $array_val "intarray"

  test_restore_saved_value "intstr1.ihex" "struct as value, ihex" \

        $struct_val "intstruct"

  gdb_test "print zero_all ()" ""

  test_restore_saved_value "intarr2.ihex" "array as memory, ihex" \

        $array_val "intarray"

  test_restore_saved_value "intstr2.ihex" "struct as memory, ihex" \

        $struct_val "intstruct"

  gdb_test "print zero_all ()" ""

  test_restore_saved_value "intarr1.tekhex" "array as value, tekhex" \

        $array_val "intarray"

  test_restore_saved_value "intstr1.tekhex" "struct as value, tekhex" \

        $struct_val "intstruct"

  gdb_test "print zero_all ()" ""

  test_restore_saved_value "intarr2.tekhex" "array as memory, tekhex" \

        $array_val "intarray"

  test_restore_saved_value "intstr2.tekhex" "struct as memory, tekhex" \

        $struct_val "intstruct"

}

gdb_test "print zero_all ()" ""

test_restore_saved_value "intarr1.bin binary $array_start" \

        "array as value, binary" \

        $array_val "intarray"

test_restore_saved_value "intstr1.bin binary $struct_start" \

        "struct as value, binary" \

        $struct_val "intstruct"

gdb_test "print zero_all ()" ""

test_restore_saved_value "intarr2.bin binary $array_start" \

        "array as memory, binary" \

        $array_val "intarray"

test_restore_saved_value "intstr2.bin binary $struct_start" \

        "struct as memory, binary" \

        $struct_val "intstruct"

# test restore with offset.

set array2_start   [capture_value "/x &intarray2\[0\]"]

set struct2_start  [capture_value "/x &intstruct2"]

set array2_offset  \

        [capture_value "(char *) &intarray2 - (char *) &intarray"]

set struct2_offset \

        [capture_value "(char *) &intstruct2 - (char *) &intstruct"]

gdb_test "print zero_all ()" ""

if ![string compare $is64bitonly "no"] then {

  test_restore_saved_value "intarr1.srec $array2_offset" \

        "array copy, srec" \

        $array_val "intarray2"

  test_restore_saved_value "intstr1.srec $struct2_offset" \

        "struct copy, srec" \

        $struct_val "intstruct2"

  gdb_test "print zero_all ()" ""

  test_restore_saved_value "intarr1.ihex $array2_offset" \

        "array copy, ihex" \

        $array_val "intarray2"

  test_restore_saved_value "intstr1.ihex $struct2_offset" \

        "struct copy, ihex" \

        $struct_val "intstruct2"

  gdb_test "print zero_all ()" ""

  test_restore_saved_value "intarr1.tekhex $array2_offset" \

        "array copy, tekhex" \

        $array_val "intarray2"

  test_restore_saved_value "intstr1.tekhex $struct2_offset" \

        "struct copy, tekhex" \

        $struct_val "intstruct2"

}

gdb_test "print zero_all ()" ""

test_restore_saved_value "intarr1.bin binary $array2_start" \

        "array copy, binary" \

        $array_val "intarray2"

test_restore_saved_value "intstr1.bin binary $struct2_start" \

        "struct copy, binary" \

        $struct_val "intstruct2"

#

# test restore with start/stop addresses.

#

# For this purpose, we will restore just the third element of the array,

# and check to see that adjacent elements are not modified.

#

# We will need the address and offset of the third and fourth elements.

#

set element3_start  [capture_value "/x &intarray\[3\]"]

set element4_start  [capture_value "/x &intarray\[4\]"]

set element3_offset \

        [capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]

set element4_offset \

        [capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]

if ![string compare $is64bitonly "no"] then {

  gdb_test "print zero_all ()" ""

  test_restore_saved_value "intarr1.srec 0 $element3_start $element4_start" \

        "array partial, srec" 4 "intarray\[3\]"

  gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"

  gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"

  gdb_test "print zero_all ()" ""

  test_restore_saved_value "intarr1.ihex 0 $element3_start $element4_start" \

        "array partial, ihex" 4 "intarray\[3\]"

  gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"

  gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"

  gdb_test "print zero_all ()" ""

  test_restore_saved_value "intarr1.tekhex 0 $element3_start $element4_start" \

        "array partial, tekhex" 4 "intarray\[3\]"

  gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"

  gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"

}

gdb_test "print zero_all ()" ""

test_restore_saved_value \

    "intarr1.bin binary $array_start $element3_offset $element4_offset" \

    "array partial, binary" 4 "intarray\[3\]"

gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"

gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"

if ![string compare $is64bitonly "no"] then {

  gdb_test "print zero_all ()" "" ""

  # restore with expressions

  test_restore_saved_value \

        "intarr3.srec (char*)${array2_start}-(char*)${array_start} &intarray\[3\] &intarray\[4\]" \

        "array partial with expressions" 4 "intarray2\[3\]"

  gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"

  gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"

}

# clean up files

remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"