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# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

# Damn dejagnu for not having proper library search paths for load_lib.
# We have to explicitly load everything that gcc-dg.exp wants to load.

proc load_gcc_lib { filename } {
    global srcdir loaded_libs

    load_file $srcdir/../../gcc/testsuite/lib/$filename
    set loaded_libs($filename) ""
}

load_lib dg.exp
load_gcc_lib file-format.exp
load_gcc_lib target-supports.exp
load_gcc_lib target-supports-dg.exp
load_gcc_lib scanasm.exp
load_gcc_lib scandump.exp
load_gcc_lib scanrtl.exp
load_gcc_lib scantree.exp
load_gcc_lib scanipa.exp
load_gcc_lib prune.exp
load_gcc_lib target-libpath.exp
load_gcc_lib wrapper.exp
load_gcc_lib gcc-defs.exp
load_gcc_lib torture-options.exp
load_gcc_lib timeout.exp
load_gcc_lib timeout-dg.exp
load_gcc_lib gcc-dg.exp

set dg-do-what-default run

#
# GCC_UNDER_TEST is the compiler under test.
#

set libitm_compile_options ""

#
# libitm_init
#

if [info exists TOOL_OPTIONS] {
    set multilibs [get_multilibs $TOOL_OPTIONS]
} else {
    set multilibs [get_multilibs]
}

proc libitm_init { args } {
    global srcdir blddir objdir tool_root_dir
    global libitm_initialized
    global tmpdir
    global blddir
    global gluefile wrap_flags
    global ALWAYS_CFLAGS
    global CFLAGS
    global TOOL_EXECUTABLE TOOL_OPTIONS
    global GCC_UNDER_TEST
    global TESTING_IN_BUILD_TREE
    global target_triplet
    global always_ld_library_path

    set blddir [lookfor_file [get_multilibs] libitm]

    # We set LC_ALL and LANG to C so that we get the same error
    # messages as expected.
    setenv LC_ALL C
    setenv LANG C

    if ![info exists GCC_UNDER_TEST] then {
        if [info exists TOOL_EXECUTABLE] {
            set GCC_UNDER_TEST $TOOL_EXECUTABLE
        } else {
            set GCC_UNDER_TEST "[find_gcc]"
        }
    }

    if ![info exists tmpdir] {
        set tmpdir "/tmp"
    }

    if [info exists gluefile] {
        unset gluefile
    }

    if {![info exists CFLAGS]} {
        set CFLAGS ""
    }

    # Locate libgcc.a so we don't need to account for different values of
    # SHLIB_EXT on different platforms
    set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a]
    if {$gccdir != ""} {
        set gccdir [file dirname $gccdir]
    }

    # Compute what needs to be put into LD_LIBRARY_PATH
    set always_ld_library_path ".:${blddir}/.libs"

    # Compute what needs to be added to the existing LD_LIBRARY_PATH.
    if {$gccdir != ""} {
        # Add AIX pthread directory first.
        if { [llength [glob -nocomplain ${gccdir}/pthread/libgcc_s*.a]] >= 1 } {
            append always_ld_library_path ":${gccdir}/pthread"
        }
        append always_ld_library_path ":${gccdir}"
        set compiler [lindex $GCC_UNDER_TEST 0]

        if { [is_remote host] == 0 && [which $compiler] != 0 } {
          foreach i "[exec $compiler --print-multi-lib]" {
            set mldir ""
            regexp -- "\[a-z0-9=_/\.-\]*;" $i mldir
            set mldir [string trimright $mldir "\;@"]
            if { "$mldir" == "." } {
              continue
            }
            if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } {
              append always_ld_library_path ":${gccdir}/${mldir}"
            }
          }
        }
    }

    set ALWAYS_CFLAGS ""
    if { $blddir != "" } {
        lappend ALWAYS_CFLAGS "additional_flags=-B${blddir}/"
        lappend ALWAYS_CFLAGS "additional_flags=-I${blddir}"
        lappend ALWAYS_CFLAGS "ldflags=-L${blddir}/.libs"
    }
    lappend ALWAYS_CFLAGS "additional_flags=-I${srcdir}/.."

    # We use atomic operations in the testcases to validate results.
    if { ([istarget i?86-*-*] || [istarget x86_64-*-*])
         && [check_effective_target_ia32] } {
        lappend ALWAYS_CFLAGS "additional_flags=-march=i486"
    }

    if [istarget *-*-darwin*] {
        lappend ALWAYS_CFLAGS "additional_flags=-shared-libgcc"
    }

    if [istarget sparc*-*-*] {
        lappend ALWAYS_CFLAGS "additional_flags=-mcpu=v9"
    }

    if [info exists TOOL_OPTIONS] {
        lappend ALWAYS_CFLAGS "additional_flags=$TOOL_OPTIONS"
    }

    # Make sure that lines are not wrapped.  That can confuse the
    # error-message parsing machinery.
    lappend ALWAYS_CFLAGS "additional_flags=-fmessage-length=0"

    # Turn on transactional memory support.
    lappend ALWAYS_CFLAGS "additional_flags=-fgnu-tm"
}

#
# libitm_target_compile -- compile a source file
#

proc libitm_target_compile { source dest type options } {
    global blddir
    global libitm_compile_options
    global gluefile wrap_flags
    global ALWAYS_CFLAGS
    global GCC_UNDER_TEST
    global lang_test_file
    global lang_library_path
    global lang_link_flags

    if { [info exists lang_test_file] } {
        if { $blddir != "" } {
            lappend options "ldflags=-L${blddir}/${lang_library_path}"
        }
        lappend options "ldflags=${lang_link_flags}"
    }

    if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
        lappend options "libs=${gluefile}"
        lappend options "ldflags=${wrap_flags}"
    }

    lappend options "additional_flags=[libio_include_flags]"
    lappend options "timeout=[timeout_value]"
    lappend options "compiler=$GCC_UNDER_TEST"

    set options [concat $libitm_compile_options $options]

    if [info exists ALWAYS_CFLAGS] {
        set options [concat "$ALWAYS_CFLAGS" $options]
    }

    set options [dg-additional-files-options $options $source]

    set result [target_compile $source $dest $type $options]

    return $result
}

proc libitm_option_help { } {
    send_user " --additional_options,OPTIONS\t\tUse OPTIONS to compile the testcase files. OPTIONS should be comma-separated.\n"
}

proc libitm_option_proc { option } {
    if [regexp "^--additional_options," $option] {
        global libitm_compile_options
        regsub "--additional_options," $option "" option
        foreach x [split $option ","] {
            lappend libitm_compile_options "additional_flags=$x"
        }
        return 1
    } else {
        return 0
    }
}