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      1 #   Copyright (C) 2003, 2005, 2008 Free Software Foundation, Inc.
      2 
      3 # This program is free software; you can redistribute it and/or modify
      4 # it under the terms of the GNU General Public License as published by
      5 # the Free Software Foundation; either version 2 of the License, or
      6 # (at your option) any later version.
      7 #
      8 # This program is distributed in the hope that it will be useful,
      9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     11 # GNU General Public License for more details.
     12 #
     13 # You should have received a copy of the GNU General Public License
     14 # along with this program; if not, write to the Free Software
     15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
     16 
     17 proc load_gcc_lib { filename } {
     18     global srcdir
     19     load_file $srcdir/lib/$filename
     20 }
     21 
     22 load_lib dg.exp
     23 load_lib libgloss.exp
     24 load_gcc_lib target-libpath.exp
     25 load_gcc_lib wrapper.exp
     26 
     27 
     28 # Define libffi callbacks for dg.exp.
     29 
     30 proc libffi-dg-test-1 { target_compile prog do_what extra_tool_flags } {
     31 
     32     # To get all \n in dg-output test strings to match printf output
     33     # in a system that outputs it as \015\012 (i.e. not just \012), we
     34     # need to change all \n into \r?\n.  As there is no dejagnu flag
     35     # or hook to do that, we simply change the text being tested.
     36     # Unfortunately, we have to know that the variable is called
     37     # dg-output-text and lives in the caller of libffi-dg-test, which
     38     # is two calls up.  Overriding proc dg-output would be longer and
     39     # would necessarily have the same assumption.
     40     upvar 2 dg-output-text output_match
     41 
     42     if { [llength $output_match] > 1 } {
     43 	regsub -all "\n" [lindex $output_match 1] "\r?\n" x
     44 	set output_match [lreplace $output_match 1 1 $x]
     45     }
     46 
     47     # Set up the compiler flags, based on what we're going to do.
     48 
     49     set options [list]
     50     switch $do_what {
     51 	"compile" {
     52 	    set compile_type "assembly"
     53 	    set output_file "[file rootname [file tail $prog]].s"
     54 	}
     55 	"link" {
     56 	    set compile_type "executable"
     57 	    set output_file "[file rootname [file tail $prog]].exe"
     58 	    # The following line is needed for targets like the i960 where
     59 	    # the default output file is b.out.  Sigh.
     60 	}
     61 	"run" {
     62 	    set compile_type "executable"
     63 	    # FIXME: "./" is to cope with "." not being in $PATH.
     64 	    # Should this be handled elsewhere?
     65 	    # YES.
     66 	    set output_file "./[file rootname [file tail $prog]].exe"
     67 	    # This is the only place where we care if an executable was
     68 	    # created or not.  If it was, dg.exp will try to run it.
     69 	    remote_file build delete $output_file;
     70 	}
     71 	default {
     72 	    perror "$do_what: not a valid dg-do keyword"
     73 	    return ""
     74 	}
     75     }
     76 
     77     if { $extra_tool_flags != "" } {
     78 	lappend options "additional_flags=$extra_tool_flags"
     79     }
     80 
     81     set comp_output [libffi_target_compile "$prog" "$output_file" "$compile_type" $options];
     82 
     83 
     84     return [list $comp_output $output_file]
     85 }
     86 
     87 
     88 proc libffi-dg-test { prog do_what extra_tool_flags } {
     89     return [libffi-dg-test-1 target_compile $prog $do_what $extra_tool_flags]
     90 }
     91 
     92 proc libffi-init { args } {
     93     global gluefile wrap_flags;
     94     global srcdir
     95     global blddirffi
     96     global objdir
     97     global TOOL_OPTIONS
     98     global tool
     99     global libffi_include
    100     global libffi_link_flags
    101     global tool_root_dir
    102     global ld_library_path
    103 
    104     set blddirffi [pwd]/..
    105     verbose "libffi $blddirffi"
    106 
    107     set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a]
    108     if {$gccdir != ""} {
    109 	set gccdir [file dirname $gccdir]
    110     }
    111     verbose "gccdir $gccdir"
    112 
    113     set ld_library_path "."
    114     append ld_library_path ":${gccdir}"
    115 
    116     set compiler "${gccdir}/xgcc"
    117     if { [is_remote host] == 0 && [which $compiler] != 0 } {
    118 	foreach i "[exec $compiler --print-multi-lib]" {
    119 	    set mldir ""
    120 	    regexp -- "\[a-z0-9=_/\.-\]*;" $i mldir
    121 	    set mldir [string trimright $mldir "\;@"]
    122 	    if { "$mldir" == "." } {
    123 		continue
    124 	    }
    125 	    if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } {
    126 		append ld_library_path ":${gccdir}/${mldir}"
    127 	    }
    128 	}
    129     }
    130     # add the library path for libffi.
    131     append ld_library_path ":${blddirffi}/.libs"
    132 
    133     verbose "ld_library_path: $ld_library_path"
    134 
    135     # Point to the Libffi headers in libffi.
    136     set libffi_include "${blddirffi}/include"
    137     verbose "libffi_include $libffi_include"
    138 
    139     set libffi_dir  "${blddirffi}/.libs"
    140     verbose "libffi_dir $libffi_dir"
    141     if { $libffi_dir != "" } {
    142 	set libffi_dir [file dirname ${libffi_dir}]
    143 	set libffi_link_flags "-L${libffi_dir}/.libs"
    144     }
    145 
    146     set_ld_library_path_env_vars
    147     libffi_maybe_build_wrapper "${objdir}/testglue.o"
    148 }
    149 
    150 proc libffi_exit { } {
    151     global gluefile;
    152 
    153     if [info exists gluefile] {
    154 	file_on_build delete $gluefile;
    155 	unset gluefile;
    156     }
    157 }
    158 
    159 proc libffi_target_compile { source dest type options } {
    160     global gluefile wrap_flags;
    161     global srcdir
    162     global blddirffi
    163     global TOOL_OPTIONS
    164     global libffi_link_flags
    165     global libffi_include
    166     global target_triplet
    167 
    168 
    169     if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
    170 	lappend options "libs=${gluefile}"
    171 	lappend options "ldflags=$wrap_flags"
    172     }
    173 
    174     # TOOL_OPTIONS must come first, so that it doesn't override testcase
    175     # specific options.
    176     if [info exists TOOL_OPTIONS] {
    177 	lappend  options [concat "additional_flags=$TOOL_OPTIONS" $options];
    178     }
    179 
    180     # search for ffi_mips.h in srcdir, too
    181     lappend options "additional_flags=-I${libffi_include} -I${srcdir}/../include  -I${libffi_include}/.."
    182     lappend options "additional_flags=${libffi_link_flags}"
    183 
    184     # If you're building the compiler with --prefix set to a place
    185     # where it's not yet installed, then the linker won't be able to
    186     # find the libgcc used by libffi.dylib.  We could pass the
    187     # -dylib_file option, but that's complicated, and it's much easier
    188     # to just make the linker find libgcc using -L options.
    189     if { [string match "*-*-darwin*" $target_triplet] } {
    190 	lappend options "libs= -shared-libgcc"
    191     }
    192 
    193     lappend options "libs= -lffi"
    194 
    195     verbose "options: $options"
    196     return [target_compile $source $dest $type $options]
    197 }
    198 
    199 # Utility routines.
    200 
    201 #
    202 # search_for -- looks for a string match in a file
    203 #
    204 proc search_for { file pattern } {
    205     set fd [open $file r]
    206     while { [gets $fd cur_line]>=0 } {
    207 	if [string match "*$pattern*" $cur_line] then {
    208 	    close $fd
    209 	    return 1
    210 	}
    211     }
    212     close $fd
    213     return 0
    214 }
    215 
    216 # Modified dg-runtest that can cycle through a list of optimization options
    217 # as c-torture does.
    218 proc libffi-dg-runtest { testcases default-extra-flags } {
    219     global runtests
    220 
    221     foreach test $testcases {
    222 	# If we're only testing specific files and this isn't one of
    223 	# them, skip it.
    224 	if ![runtest_file_p $runtests $test] {
    225 	    continue
    226 	}
    227 
    228 	# Look for a loop within the source code - if we don't find one,
    229 	# don't pass -funroll[-all]-loops.
    230 	global torture_with_loops torture_without_loops
    231 	if [expr [search_for $test "for*("]+[search_for $test "while*("]] {
    232 	    set option_list $torture_with_loops
    233 	} else {
    234 	    set option_list $torture_without_loops
    235 	}
    236 
    237 	set nshort [file tail [file dirname $test]]/[file tail $test]
    238 
    239 	foreach flags $option_list {
    240 	    verbose "Testing $nshort, $flags" 1
    241 	    dg-test $test $flags ${default-extra-flags}
    242 	}
    243     }
    244 }
    245 
    246 
    247 # Like check_conditional_xfail, but callable from a dg test.
    248 
    249 proc dg-xfail-if { args } {
    250     set args [lreplace $args 0 0]
    251     set selector "target [join [lindex $args 1]]"
    252     if { [dg-process-target $selector] == "S" } {
    253 	global compiler_conditional_xfail_data
    254 	set compiler_conditional_xfail_data $args
    255     }
    256 }
    257 
    258 
    259 # We need to make sure that additional_files and additional_sources
    260 # are both cleared out after every test.  It is not enough to clear
    261 # them out *before* the next test run because gcc-target-compile gets
    262 # run directly from some .exp files (outside of any test).  (Those
    263 # uses should eventually be eliminated.)
    264 
    265 # Because the DG framework doesn't provide a hook that is run at the
    266 # end of a test, we must replace dg-test with a wrapper.
    267 
    268 if { [info procs saved-dg-test] == [list] } {
    269     rename dg-test saved-dg-test
    270 
    271     proc dg-test { args } {
    272 	global additional_files
    273 	global additional_sources
    274 	global errorInfo
    275 
    276 	if { [ catch { eval saved-dg-test $args } errmsg ] } {
    277 	    set saved_info $errorInfo
    278 	    set additional_files ""
    279 	    set additional_sources ""
    280 	    error $errmsg $saved_info
    281 	}
    282 	set additional_files ""
    283 	set additional_sources ""
    284     }
    285 }
    286 
    287 # Local Variables:
    288 # tcl-indent-level:4
    289 # End:
    290