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# Copyright 2003, 2007, 2008 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/>.  */

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

# tls-shared.exp -- Expect script to test thread local storage in gdb, with
# shared libraries.

if $tracelevel then {
    strace $tracelevel
}

set testfile tls-main
set libfile tls-shared
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

remote_exec build "rm -f ${binfile}"

# get the value of gcc_compiled
if [get_compiler_info ${binfile}] {
    return -1
}

if  { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}.o" object {debug}] != "" } {
    return -1
}

# Build the shared libraries this test case needs.
#

if {$gcc_compiled == 0} {
    if [istarget "hppa*-hp-hpux*"] then {
        set additional_flags "additional_flags=+z"
    } elseif { [istarget "mips-sgi-irix*"] } {
        # Disable SGI compiler's implicit -Dsgi
        set additional_flags "additional_flags=-Usgi"
    } else {
        # don't know what the compiler is...
        set additional_flags ""
    }
} else {
    if { ([istarget "powerpc*-*-aix*"]
    || [istarget "rs6000*-*-aix*"]) } {
        set additional_flags ""
    } else {
        set additional_flags "additional_flags=-fpic"
    }
}

set additional_flags "$additional_flags -shared"
if {[gdb_compile_pthreads "${srcdir}/${subdir}/${libfile}.c" "${objdir}/${subdir}/${libfile}.so" executable [list debug $additional_flags "incdir=${objdir}"]] != ""} {
    return -1
}

if { ($gcc_compiled 
&&  ([istarget "powerpc*-*-aix*"]
|| [istarget "rs6000*-*-aix*"] )) } {
    set additional_flags "additional_flags=-L${objdir}/${subdir}"
} elseif { [istarget "mips-sgi-irix*"] } {
    set additional_flags "additional_flags=-rpath ${objdir}/${subdir}"
} else {
    set additional_flags ""
}

if {[gdb_compile_pthreads "${objdir}/${subdir}/${testfile}.o ${objdir}/${subdir}/${libfile}.so" "${binfile}" executable [list debug $additional_flags]] != ""} {
    return -1
}


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

if ![runto_main] then {
    fail "Can't run to main"
    return 0
}

gdb_test "print i_tls" "2" "print thread local storage variable"

gdb_test "ptype i_tls" "int" "ptype of thread local storage variable"

gdb_test "info address i_tls" \
        "Symbol \\\"i_tls\\\" is a thread-local variable at offset 0 in the thread-local storage for .*tls-main.." \
        "print storage info for thread local storage variable"

set line_number [gdb_get_line_number "break here to check result"]

gdb_test "break $line_number" \
        "Breakpoint.*at.*file.*tls-main.c.*line ${line_number}." \
        "break at and of main"
gdb_test "continue" \
        "main .* at .*:.*return 0.*break here to check result.*" \
        "continue to break"
# This is more of a gcc/glibc test, really. 
#
gdb_test "print result" "3" "print result"