# thr-lib.exp -- Expect script to test thread-local storage in lib
# 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

# Thread stuff is _slow_; prepare for long waits.
#
# 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: this command undoes any up/down stuff!
#
proc pre_timeout {} {
    global timeout

    set timeout [expr "$timeout + 100"]
}

proc post_timeout {} {
    global timeout
    global oldtimeout

    set timeout $oldtimeout
    gdb_test "p \$pc" ".*" ""
}

if $tracelevel then {
    strace $tracelevel
}

if { [skip_hp_tests] } then { continue }

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 thr-lib
set srcfile ${srcdir}/${subdir}/${testfile}.c
set libsrc  ${srcdir}/${subdir}/${testfile}lib.c
set mainobj ${objdir}/${testfile}.o
set libobj  ${objdir}/${testfile}lib.o
set libsl   ${objdir}/${subdir}/${testfile}lib.sl
set binfile ${objdir}/${subdir}/${testfile}

# To build the executable we need to do this:
#
#   cc -c -Aa -g -D_HPUX_SOURCE -D_REENTRANT +DA1.0 ./gdb.hp/thr-lib.c
#   cc -c -Aa -g -D_HPUX_SOURCE -D_REENTRANT +DA1.0 +z ./gdb.hp/thr-liblib.c
#   ld -o thread_local_in_lib.lib.sl -b ./gdb.hp/thr-liblib.o
#   ld -a archive /opt/langtools/lib/crt0.o /opt/langtools/lib/end.o \
#   > thr-lib.o ./gdb.hp/thr-liblib.sl \
#   > -o thr-lib -lpthread -lc
#
remote_exec build  "$CC ${srcfile} -c -Aa -g -D_HPUX_SOURCE -D_REENTRANT +DA1.0"
remote_exec build  "$CC ${libsrc}  -c -Aa -g -D_HPUX_SOURCE -D_REENTRANT +DA1.0 +z"
remote_exec build "ld -o ${libsl} -b ${libobj}"
remote_exec build "ld -a archive /opt/langtools/lib/crt0.o /opt/langtools/lib/end.o ${mainobj} ${libsl} -lpthread -lc -o ${binfile}"

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

set oldtimeout $timeout
#set timeout [expr "$timeout + 200"]
set oldverbose $verbose

gdb_load ${binfile}

# Here we go: test various things.
#
gdb_test "b adder" ".*Cannot break on adder without a running program.*" "shared loc, needs to run"
gdb_test "b main" ".*" ""
gdb_test "run"    ".*Breakpoint 1, main.*" ""

# Set a bp to inspect the results
#
gdb_test "b 67" ".*Breakpoint 2.*" ""

# get to a point where we can set the collection breakpoint.
#
gdb_test "tb adder" ".*Breakpoint 3.*line 47.*"  "set bp in shared lib"
gdb_test "c"       ".*Switched to.*adder.*"     "run to shared lib rtn"

# Check locations of things
#
gdb_test "i ad sum" ".*Symbol \"sum\" is a thread-local variable.*offset.*from the thread base register mpsfu_high.*" "find sum"
gdb_test "i add x"      ".*Symbol \"x\" is a thread-local variable.*"  "find x"

# Set a breakpoint later on in "adder" and
# collect the thread local's value.  
#
gdb_test "b 61" ".*Breakpoint 4.*61.*"   "Set collection bp"

# extra check for grins, expect to hit "adder" in thread 2 first
# but could be wrong...
#
gdb_test "info thread" ".*\\\* 2.*thread.*thread.*" "two threads"

# Can't use "gdb_test", as it uses "$gdb_prompt $" in
# testing the result.  Our new prompt is ">", with
# no trailing space, so we can't do this just by
# changing "prompt". 
#
# Anyway, I couldn't get expect to see the ">" prompt,
# during the command addition, so I just punted.
# _You_ are welcome to try, if you want!
#
send_gdb "commands 4\n"
gdb_expect {
    -re "(.*Type commands.*\"end\"\.\r\n\>)" {
        pass "start commands"
    }
    -re ".*$gdb_prompt $" {
        fail "start commands"
    }
}

# Assume we're in commands-input mode.  (Self-debug stuff turned off)
#
send_gdb "silent\n"
#send_gdb "p id\n"
#send_gdb "p j\n"
#send_gdb "p x\[j\]\n"
send_gdb "set debugger_saw\[id\]\[j\] = x\[j\]\n"
send_gdb "continue\n"
send_gdb "end\n"

gdb_expect {
    -re ".*set.*cont.*$gdb_prompt $" {
        pass "add commands"
    }
    -re ".*$gdb_prompt $" {
        fail "add commands"
    }
}

# Check out of paranoia.
#
send_gdb "info break 4\n"
gdb_expect {
    -re ".*breakpoint.*set debugger_saw.*continue.*$gdb_prompt $" {
        pass "Commands added"
    }
    -re ".*$gdb_prompt $" {
        fail "Commands not added."
    }
}

# We now expect to run through the whole application
# Since this'll run for while, set a generous timeout.
#
set timeout [expr "$timeout + 30"]
send_gdb "c\n"
gdb_expect {
    -re ".*Program exited normally.*$gdb_prompt $" {
        fail "program runaway"
    }
    -re ".*Breakpoint 2.*67.*$gdb_prompt $" {
        pass "get to end"
    }
    -re ".*$gdb_prompt $" {
        fail "No progress?"
    }
    timeout { fail "timeout" }
}
set timeout $oldtimeout

gdb_test "p debugger_saw" ".*5, 1, 9.*4, 6, 10.*3, 7, 12.*2, 8, 11.*" "check results"

# Often only one misses; let's get detailed!
#
gdb_test "p debugger_saw\[0\]\[0\]" ".*= 5.*" "1"
gdb_test "p debugger_saw\[0\]\[1\]" ".*= 1.*" "2"
gdb_test "p debugger_saw\[0\]\[2\]" ".*= 9.*" "3"
gdb_test "p debugger_saw\[1\]\[0\]" ".*= 4.*" "4"
gdb_test "p debugger_saw\[1\]\[1\]" ".*= 6.*" "5"
gdb_test "p debugger_saw\[1\]\[2\]" ".*= 10.*" "6"
gdb_test "p debugger_saw\[2\]\[0\]" ".*= 3.*" "7"
gdb_test "p debugger_saw\[2\]\[1\]" ".*= 7.*" "8"
gdb_test "p debugger_saw\[2\]\[2\]" ".*= 12.*" "9"
gdb_test "p debugger_saw\[3\]\[0\]" ".*= 2.*" "10"
gdb_test "p debugger_saw\[3\]\[1\]" ".*= 8.*" "11"
gdb_test "p debugger_saw\[3\]\[2\]" ".*= 11.*" "12"

send_gdb "i th\n" 
gdb_expect {
    -re ".* 1.*system thread.* 2.*system thread.*$gdb_prompt $" {
        fail "Too many threads left"
    }
    -re ".*\\\* 1.*system thread.*main.*$gdb_prompt $" {
        pass "Expect only base thread"
    }
    -re ".*No stack.*$gdb_prompt $" {
        fail "runaway"
    }
    -re ".*$gdb_prompt $" {
        fail "Hunh?"
    }
    timeout { fail "timeout" }
}

gdb_test "c" ".*exited normally.*" "run to completion"

# Done!
#
gdb_exit

set timeout $oldtimeout
set verbose $oldverbose

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