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# Copyright 2002, 2003, 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 "generate-core-file".

if $tracelevel then {

        strace $tracelevel

}

set prms_id 0

set bug_id 0

# Single-threaded test case

set testfile "pthreads"

set srcfile  ${testfile}.c

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

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

    set target_cflags "-D_MIT_POSIX_THREADS"

} else {

    set target_cflags ""

}

if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {

    return -1

}

# Now we can proceed with the real testing.

# Start with a fresh gdb.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

# regexp for "horizontal" text (i.e. doesn't include newline or

# carriage return)

set horiz "\[^\n\r\]*"

# regexp for newline

set nl "\[\r\n\]+"

set prev_timeout $timeout

set timeout 30

send_gdb "help gcore\n"

gdb_expect {

    -re "Undefined command: .gcore.*$gdb_prompt $" {

        # gcore command not supported -- nothing to test here.

        unsupported "gdb does not support gcore on this target"

        return -1;

    }

    -re "Save a core file .*$gdb_prompt $" {

        pass "help gcore"

    }

    -re ".*$gdb_prompt $" {

        fail "help gcore"

    }

    timeout {

        fail "help gcore (timeout)"

    }

}

if { ! [ runto_main ] } then {

    untested gcore-thread.exp

    return -1

}

send_gdb "info threads\n"

gdb_expect {

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

        # OK, threads are supported.

    }

    -re "${nl}$gdb_prompt $" {

        unsupported "gdb does not support threads on this target"

        return -1;

    }

}

# Make sure thread 1 is running

delete_breakpoints

gdb_breakpoint "thread1"

gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running"

# Make sure thread 2 is running

delete_breakpoints

gdb_breakpoint "thread2"

gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running"

set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]

# Drop corefile

gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \

        "save a corefile" \

{

  -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {

    pass "save a corefile"

    global core_supported

    set core_supported 1

  }

  -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {

    unsupported "save a corefile"

    global core_supported

    set core_supported 0

  }

}

global core_supported

if {!$core_supported} {

  return -1

}

# Now restart gdb and load the corefile.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

send_gdb "core ${objdir}/${subdir}/gcore.test\n"

gdb_expect {

    -re ".* is not a core dump:.*$gdb_prompt $" {

        fail "re-load generated corefile (bad file format)"

        # No use proceeding from here.

        return;

    }

    -re ".*: No such file or directory.*$gdb_prompt $" {

        fail "re-load generated corefile (file not found)"

        # No use proceeding from here.

        return;

    }

    -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {

        fail "re-load generated corefile (incomplete note section)"

    }

    -re "Core was generated by .*$gdb_prompt $" {

        pass "re-load generated corefile"

    }

    -re ".*$gdb_prompt $" {

        fail "re-load generated corefile"

    }

    timeout {

        fail "re-load generated corefile (timeout)"

    }

}

# FIXME: now what can we test about the thread state?

# We do not know for certain that there should be at least

# three threads, because who knows what kind of many-to-one

# mapping various OS's may do?  Let's assume that there must

# be at least two threads:

gdb_test "info threads" ".*${nl}  2 ${horiz}${nl}\\* 1 .*" \

        "corefile contains at least two threads"

# One thread in the corefile should be in the "thread2" function.

gdb_test "info threads" ".* thread2 .*" \

        "a corefile thread is executing thread2"

# The thread2 thread should be marked as the current thread.

gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \

        "thread2 is current thread in corefile"

set timeout $prev_timeout