# Copyright (C) 1992 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 2 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu

# This file was written by Jeff Law. (law@cs.utah.edu)

if $tracelevel then {
    strace $tracelevel
}

set prms_id 0
set bug_id 0

set binfile "recurse"
set srcfile $binfile.c

if ![file exists $objdir/$subdir/$binfile] then {
    perror "$objdir/$subdir/$binfile does not exist."
    return 0
}


# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $objdir/$subdir/$binfile

# For now we only run this on PAs running BSD.
if {[istarget "sparc*-*-sunos4*"] || [istarget "hppa*-*-bsd*"]} then {

    # Preserve the old timeout, and set a new one that should be
    # sufficient to avoid timing out during this test.

    set timeoutsave $timeout
    set timeout 60

    if [runto recurse] then {
	gdb_test "watch b" ".*\[Ww\]atchpoint \[0-9]*: b"

	# Continue until initial set of b.
	send "cont\n"
	expect {
	    -re "Continuing.*\[Ww\]atchpoint.*: b.*Old value = 0.*New value = 10.*$prompt $" { pass "watchpoint hit, first time" }
	    -re ".*$prompt $" { fail "missed first watchpoint" ; return }
	    timeout { fail "missed first watchpoint (timeout)" ; return }
	}

	# Continue inward for a few iterations
	gdb_test "continue" "Breakpoint.* recurse \\(+a=9\\).*"
	gdb_test "continue" "Breakpoint.* recurse \\(+a=8\\).*"
	gdb_test "continue" "Breakpoint.* recurse \\(+a=7\\).*"
	gdb_test "continue" "Breakpoint.* recurse \\(+a=6\\).*"
	gdb_test "continue" "Breakpoint.* recurse \\(+a=5\\).*"

	# Put a watchpoint on another instance of b
	gdb_test "watch b" ".*\[Ww\]atchpoint \[0-9]*: b"

	# Continue until initial set of b (second instance).
	send "cont\n"
	expect {
	    -re "Continuing.*\[Ww\]atchpoint.*: b.*Old value = 0.*New value = 5.*$prompt $" { pass "watchpoint hit (second instance)" }
	    -re ".*$prompt $" {
		fail "missed watchpoint (second instance)"
		return
	    }
	    timeout {
		fail "missed watchpoint (second instance) (timeout)"
		return
	    }
	}

	# Continue inward for a few iterations
	gdb_test "continue" "Breakpoint.* recurse \\(+a=4\\).*"
	gdb_test "continue" "Breakpoint.* recurse \\(+a=3\\).*"
	gdb_test "continue" "Breakpoint.* recurse \\(+a=2\\).*"
	gdb_test "continue" "Breakpoint.* recurse \\(+a=1\\).*"

	# Continue until second set of b (second instance).
	send "cont\n"
	setup_xfail "sparc*-*-sunos4*"
	expect {
	    -re "Continuing.*\[Ww\]atchpoint.*: b.*Old value = 5.*New value = 120.*return.*$prompt $" { pass "watchpoint hit, second time (second instance)" }
	    -re ".*$prompt $" {
		fail "missed watchpoint, second time (second instance)"
		return
	    }
	    timeout {
		fail "missed watchpoint, second time (second instance)(timeout)"
		return
	    }
	}

	# Continue again.  We should have a watchpoint go out of scope now
	send "cont\n"
	expect {
	    -re "Continuing.*\[Ww\]atchpoint.*deleted.*recurse \[(\]+a=6\[)\]+ .*$prompt $" {pass "watchpoint deleted when leaving scope (second instance)" }
	    -re ".*prompt $" {
		fail "watchpoint not deleted when leaving scope (second instance)"
		return
	    }
	    timeout {
		fail "watchpoint not deleted when leaving scope (second instance) (timeout)"
		return
	    }
	}

	# Continue until second set of b (first instance).
	send "cont\n"
	expect {
	    -re "Continuing.*\[Ww\]atchpoint.*b.*Old value = 10.*New value = 3628800.*return.*$prompt $" { pass "watchpoint hit, second time" }
	    -re ".*$prompt $" {
		fail "missed watchpoint, second time)"
		return
	    }
	    timeout {
		fail "missed watchpoint, second time (timeout)"
		return
	    }
	}

	# Continue again.  We should have a watchpoint go out of scope now
	send "cont\n"
	expect {
	    -re "Continuing.*\[Ww\]atchpoint.*deleted.*main \[(\]+\[)\]+ .*$prompt $" {pass "watchpoint deleted when leaving scope" }
	    -re ".*prompt $" {
		fail "watchpoint not deleted when leaving scope"
		return
	    }
	    timeout {
		fail "watchpoint not deleted when leaving scope (timeout)"
		return
	    }
	}
    }

    # Restore the preserved old timeout value.
    set timeout $timeoutsave
}