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# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 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 <http://www.gnu.org/licenses/>.

# This file was written by Fred Fish. (fnf@cygnus.com)

if $tracelevel then {
        strace $tracelevel
}

set prms_id 0
set bug_id 0

# are we on a target board
if ![isnative] then {
    return
}

set testfile "coremaker"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
     untested corefile.exp
     return -1
}

# Create and source the file that provides information about the compiler
# used to compile the test case.
if [get_compiler_info ${binfile}] {
    return -1;
}

set corefile [core_find $binfile {coremmap.data}]
if {$corefile == ""} {
    return 0
}

# Test that we can simply startup with a "-core=$corefile" command line arg
# and recognize that the core file is a valid, usable core file.
# To do this, we must shutdown the currently running gdb and restart
# with the -core args.  We can't use gdb_start because it looks for
# the first gdb prompt, and the message we are looking for occurs
# before the first prompt.
#
# Another problem is that on some systems (solaris for example), there
# is apparently a limit on the length of a fully specified path to 
# the coremaker executable, at about 80 chars.  For this case, consider
# it a pass, but note that the program name is bad.

gdb_exit
if $verbose>1 then {
    send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile\n"
}

set oldtimeout $timeout
set timeout [expr "$timeout + 60"]
verbose "Timeout is now $timeout seconds" 2
eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile"
expect {
    -re "Couldn't find .* registers in core file.*$gdb_prompt $" {
        fail "args: -core=[file tail $corefile] (couldn't find regs)"
    }
    -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
        pass "args: -core=[file tail $corefile]"
    }
    -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
        pass "args: -core=[file tail $corefile] (with bad program name)"
    }
    -re ".*registers from core file: File in wrong format.* $" {
        fail "args: -core=[file tail $corefile] (could not read registers from core file)"
    }
    -re ".*$gdb_prompt $"       { fail "args: -core=[file tail $corefile]" }
    timeout             { fail "(timeout) starting with -core" }
}


#
# Test that startup with both an executable file and -core argument.
# See previous comments above, they are still applicable.
#

close;

if $verbose>1 then {
    send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile\n"
}


eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile";
expect {
    -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
        pass "args: execfile -core=[file tail $corefile]"
    }
    -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $"     {
        pass "args: execfile -core=[file tail $corefile] (with bad program name)"
    }
    -re ".*registers from core file: File in wrong format.* $" {
        fail "args: execfile -core=[file tail $corefile] (could not read registers from core file)"
    }
    -re ".*$gdb_prompt $"       { fail "args: execfile -core=[file tail $corefile]" }
    timeout             { fail "(timeout) starting with -core" }
}
set timeout $oldtimeout
verbose "Timeout is now $timeout seconds" 2

close;

# Now restart normally.

gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

# Test basic corefile recognition via core-file command.

send_gdb "core-file $corefile\n"
gdb_expect {
    -re ".* program is being debugged already.*y or n. $" {
        # gdb_load may connect us to a gdbserver.
        send_gdb "y\n"
        exp_continue;
    }
    -re "Core was generated by .*coremaker.*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
        pass "core-file command"
    }
    -re "Core was generated by .*\r\n\#0  .*\(\).*\r\n$gdb_prompt $" {
        pass "core-file command (with bad program name)"
    }
    -re ".*registers from core file: File in wrong format.* $" {
        fail "core-file command (could not read registers from core file)"
    }
    -re ".*$gdb_prompt $"       { fail "core-file command" }
    timeout             { fail "(timeout) core-file command" }
}

# Test correct mapping of corefile sections by printing some variables.

gdb_test "print coremaker_data" "\\\$$decimal = 202"
gdb_test "print coremaker_bss" "\\\$$decimal = 10"
gdb_test "print coremaker_ro" "\\\$$decimal = 201"

gdb_test "print func2::coremaker_local" "\\\$$decimal = \\{0, 1, 2, 3, 4\\}"

# Somehow we better test the ability to read the registers out of the core
# file correctly.  I don't think the other tests do this.

gdb_test "bt" "abort.*func2.*func1.*main.*" "backtrace in corefile.exp"
gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp"

# Test ability to read mmap'd data

gdb_test "x/8bd buf1" ".*:.*0.*1.*2.*3.*4.*5.*6.*7" "accessing original mmap data in core file"
setup_xfail "*-*-sunos*" "*-*-ultrix*" "*-*-aix*"
set test "accessing mmapped data in core file"
gdb_test_multiple "x/8bd buf2" "$test" {
    -re ".*:.*0.*1.*2.*3.*4.*5.*6.*7.*$gdb_prompt $" {
        pass "$test"
    }
    -re "0x\[f\]*:.*Cannot access memory at address 0x\[f\]*.*$gdb_prompt $" {
        fail "$test (mapping failed at runtime)"
    }
    -re "0x.*:.*Cannot access memory at address 0x.*$gdb_prompt $" {
        fail "$test (mapping address not found in core file)"
    }
}

# test reinit_frame_cache

gdb_load ${binfile}
gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp (reinit)"

gdb_test "core" "No core file now."