# more-steps.exp -- Expect script to test gdb's ability to step threaded pgms
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

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

# use this to debug:
#
#log_user 1

if $tracelevel then {
    strace $tracelevel
}

#if { ![istarget "hppa*-*-hpux10.30"] && ![istarget "hppa*-*-hpux11.*"] } {
#    verbose "HPUX thread test ignored for non-hppa or pre-HP/UX-10.30 targets."
#    return 0
#}

set testfile more-steps
set srcfile ${srcdir}/${subdir}/${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

if [get_compiler_info ${binfile}] {
    return -1
}

# To build the executable we need to link against the thread library.
#
#     cc -Ae -g -o more-steps -lpthread more-steps.c
#
#compile "${srcfile} -Ae -g -lpthread -o ${binfile}"

if {$gcc_compiled == 0} {
    set additional_flags "additional_flags=-Ae"
} else {
    set additional_flags ""
}

if  { [gdb_compile "${srcdir}/${subdir}/${testfile}.c" "${binfile}.o" object [list debug $additional_flags]] != "" } {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}

if { ![istarget "hppa*-*-hpux10.30"] && ![istarget "hppa*-*-hpux11.*"] } {
    if { [gdb_compile "${binfile}.o" "${binfile}" executable  {debug "additional_flags=-lpthread"}] != ""} {
	gdb_suppress_entire_file "Testcase link failed, so all tests in this file will automatically fail."
    }
} else {
    remote_exec build "ld /usr/ccs/lib/crt0.o ${binfile}.o -lcl -lpthread  -lc /opt/langtools/lib/end.o -o ${binfile}"
}
#remote_exec build "ld /usr/ccs/lib/crt0.o ${binfile}.o -lcl -lpthread  -lc /opt/langtools/lib/end.o -o ${binfile}"



# Thread stuff is _slow_; prepare for long waits.
#
set oldtimeout $timeout
set timeout [expr "$timeout + 300"]
set oldverbose $verbose
#set verbose 40

# Further, this test has some "null" lines designed
# to consume output from gdb that was too late to be
# matched (sequence is "gdb_test" sends; timeout and
# on to next send; result finally comes in; mismatch).
#
# The null command is 'gdb_test "p \$pc" ".*" ""'
#
# NOTE: to pass a literal "$", "/" or "*" (etc.) to gdb_test, 
#       remember that the pattern will be escaped once and 
#       $-evaluated twice:
#
#          "\\\*" matches "\*"
#          "\$"  matches "$"
#
proc fix_timeout {} {
    gdb_test "p \$pc" ".*" ""
}

#=========================
#
# Simple sanity test first.
#
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

# First, step in the main thread.
#
gdb_test "b do_pass" ".*Breakpoint 1.*" ""
gdb_test "r" ".*Breakpoint 1.*do_pass.*" ""

# Breaks as well as nexts to make
# sure we can handle simultaneous hit
# of bpt and step, as well as stepping
# past bpts.
#
gdb_test "tb 87" ".*Breakpoint 2.*" ""
gdb_test "tb 91" ".*Breakpoint 3.*" ""
gdb_test "tb 96" ".*Breakpoint 4.*" ""
gdb_test "tb 113" ".*Breakpoint 5.*" ""
gdb_test "c" ".*do_pass.*87.*" "87"
gdb_test "n" ".*do_pass.*91.*" "n"

# This only gets a number, as it doesn't
# hit a bpt.
#
gdb_test "n" ".*95.*" "n"

gdb_test "n" ".*do_pass.*96.*" "n"
gdb_test "c" ".*do_pass.*113.*" "c"
gdb_test "c" ".*Program exited normally.*" "c"

# Now step in a thread
#
gdb_test "r" ".*Breakpoint.*do_pass.*" "do_pass"
gdb_test "until 87" ".*do_pass.*87.*" "until"
gdb_test "thr 4" ".*Switching to thread 4.*spin.*56.*" "switch"
gdb_test "tb 60 thr 4" ".*Breakpoint.*" ""

# If we do "next" now, all the other threads 
# can finish!
#
gdb_test "n"    ".*spin.*60.*" ""
gdb_test "i th" ".*\\\* 4 sys.*spin.*1 sys.*do_pass.*" "still in 4"

# Done!
#
gdb_exit

set timeout $oldtimeout
set verbose $oldverbose

# execute_anywhere "rm -f ${binfile}"
#
return 0