kc3-lang/libffi/testsuite/lib/libffi-dg.exp

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• Hash : 01c78756
  Author :
  Date : 2009-12-26T10:05:18
  

  3.0.9rc9

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• testsuite/lib/libffi-dg.exp

• #   Copyright (C) 2003, 2005, 2008, 2009 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.
  
  proc load_gcc_lib { filename } {
      global srcdir
      load_file $srcdir/lib/$filename
  }
  
  load_lib dg.exp
  load_lib libgloss.exp
  load_gcc_lib target-libpath.exp
  load_gcc_lib wrapper.exp
  
  
  # Define libffi callbacks for dg.exp.
  
  proc libffi-dg-test-1 { target_compile prog do_what extra_tool_flags } {
  
      # To get all \n in dg-output test strings to match printf output
      # in a system that outputs it as \015\012 (i.e. not just \012), we
      # need to change all \n into \r?\n.  As there is no dejagnu flag
      # or hook to do that, we simply change the text being tested.
      # Unfortunately, we have to know that the variable is called
      # dg-output-text and lives in the caller of libffi-dg-test, which
      # is two calls up.  Overriding proc dg-output would be longer and
      # would necessarily have the same assumption.
      upvar 2 dg-output-text output_match
  
      if { [llength $output_match] > 1 } {
  	regsub -all "\n" [lindex $output_match 1] "\r?\n" x
  	set output_match [lreplace $output_match 1 1 $x]
      }
  
      # Set up the compiler flags, based on what we're going to do.
  
      set options [list]
      switch $do_what {
  	"compile" {
  	    set compile_type "assembly"
  	    set output_file "[file rootname [file tail $prog]].s"
  	}
  	"link" {
  	    set compile_type "executable"
  	    set output_file "[file rootname [file tail $prog]].exe"
  	    # The following line is needed for targets like the i960 where
  	    # the default output file is b.out.  Sigh.
  	}
  	"run" {
  	    set compile_type "executable"
  	    # FIXME: "./" is to cope with "." not being in $PATH.
  	    # Should this be handled elsewhere?
  	    # YES.
  	    set output_file "./[file rootname [file tail $prog]].exe"
  	    # This is the only place where we care if an executable was
  	    # created or not.  If it was, dg.exp will try to run it.
  	    remote_file build delete $output_file;
  	}
  	default {
  	    perror "$do_what: not a valid dg-do keyword"
  	    return ""
  	}
      }
  
      if { $extra_tool_flags != "" } {
  	lappend options "additional_flags=$extra_tool_flags"
      }
  
      set comp_output [libffi_target_compile "$prog" "$output_file" "$compile_type" $options];
  
  
      return [list $comp_output $output_file]
  }
  
  
  proc libffi-dg-test { prog do_what extra_tool_flags } {
      return [libffi-dg-test-1 target_compile $prog $do_what $extra_tool_flags]
  }
  
  proc libffi-init { args } {
      global gluefile wrap_flags;
      global srcdir
      global blddirffi
      global objdir
      global TOOL_OPTIONS
      global tool
      global libffi_include
      global libffi_link_flags
      global tool_root_dir
      global ld_library_path
  
      set blddirffi [pwd]/..
      verbose "libffi $blddirffi"
  
      set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a]
      if {$gccdir != ""} {
  	set gccdir [file dirname $gccdir]
      }
      verbose "gccdir $gccdir"
  
      set ld_library_path "."
      append ld_library_path ":${gccdir}"
  
      set compiler "${gccdir}/xgcc"
      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 ld_library_path ":${gccdir}/${mldir}"
  	    }
  	}
      }
      # add the library path for libffi.
      append ld_library_path ":${blddirffi}/.libs"
  
      verbose "ld_library_path: $ld_library_path"
  
      # Point to the Libffi headers in libffi.
      set libffi_include "${blddirffi}/include"
      verbose "libffi_include $libffi_include"
  
      set libffi_dir  "${blddirffi}/.libs"
      verbose "libffi_dir $libffi_dir"
      if { $libffi_dir != "" } {
  	set libffi_dir [file dirname ${libffi_dir}]
  	set libffi_link_flags "-L${libffi_dir}/.libs"
      }
  
      set_ld_library_path_env_vars
      libffi_maybe_build_wrapper "${objdir}/testglue.o"
  }
  
  proc libffi_exit { } {
      global gluefile;
  
      if [info exists gluefile] {
  	file_on_build delete $gluefile;
  	unset gluefile;
      }
  }
  
  proc libffi_target_compile { source dest type options } {
      global gluefile wrap_flags;
      global srcdir
      global blddirffi
      global TOOL_OPTIONS
      global libffi_link_flags
      global libffi_include
      global target_triplet
  
  
      if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
  	lappend options "libs=${gluefile}"
  	lappend options "ldflags=$wrap_flags"
      }
  
      # TOOL_OPTIONS must come first, so that it doesn't override testcase
      # specific options.
      if [info exists TOOL_OPTIONS] {
  	lappend  options [concat "additional_flags=$TOOL_OPTIONS" $options];
      }
  
      # search for ffi_mips.h in srcdir, too
      lappend options "additional_flags=-I${libffi_include} -I${srcdir}/../include  -I${libffi_include}/.."
      lappend options "additional_flags=${libffi_link_flags}"
  
      # Darwin needs a stack execution allowed flag.
  
      if { [istarget "*-*-darwin9*"] || [istarget "*-*-darwin1*"]
  	 || [istarget "*-*-darwin2*"] } {
  	lappend options "additional_flags=-Wl,-allow_stack_execute"
      }
  
      # If you're building the compiler with --prefix set to a place
      # where it's not yet installed, then the linker won't be able to
      # find the libgcc used by libffi.dylib.  We could pass the
      # -dylib_file option, but that's complicated, and it's much easier
      # to just make the linker find libgcc using -L options.
      if { [string match "*-*-darwin*" $target_triplet] } {
  	lappend options "libs= -shared-libgcc"
      }
  
      if { [string match "*-*-openbsd*" $target_triplet] } {
  	lappend options "libs= -lpthread"
      }
  
      lappend options "libs= -lffi"
  
      verbose "options: $options"
      return [target_compile $source $dest $type $options]
  }
  
  # Utility routines.
  
  #
  # search_for -- looks for a string match in a file
  #
  proc search_for { file pattern } {
      set fd [open $file r]
      while { [gets $fd cur_line]>=0 } {
  	if [string match "*$pattern*" $cur_line] then {
  	    close $fd
  	    return 1
  	}
      }
      close $fd
      return 0
  }
  
  # Modified dg-runtest that can cycle through a list of optimization options
  # as c-torture does.
  proc libffi-dg-runtest { testcases default-extra-flags } {
      global runtests
  
      foreach test $testcases {
  	# If we're only testing specific files and this isn't one of
  	# them, skip it.
  	if ![runtest_file_p $runtests $test] {
  	    continue
  	}
  
  	# Look for a loop within the source code - if we don't find one,
  	# don't pass -funroll[-all]-loops.
  	global torture_with_loops torture_without_loops
  	if [expr [search_for $test "for*("]+[search_for $test "while*("]] {
  	    set option_list $torture_with_loops
  	} else {
  	    set option_list $torture_without_loops
  	}
  
  	set nshort [file tail [file dirname $test]]/[file tail $test]
  
  	foreach flags $option_list {
  	    verbose "Testing $nshort, $flags" 1
  	    dg-test $test $flags ${default-extra-flags}
  	}
      }
  }
  
  
  # Like check_conditional_xfail, but callable from a dg test.
  
  proc dg-xfail-if { args } {
      set args [lreplace $args 0 0]
      set selector "target [join [lindex $args 1]]"
      if { [dg-process-target $selector] == "S" } {
  	global compiler_conditional_xfail_data
  	set compiler_conditional_xfail_data $args
      }
  }
  
  
  # We need to make sure that additional_files and additional_sources
  # are both cleared out after every test.  It is not enough to clear
  # them out *before* the next test run because gcc-target-compile gets
  # run directly from some .exp files (outside of any test).  (Those
  # uses should eventually be eliminated.)
  
  # Because the DG framework doesn't provide a hook that is run at the
  # end of a test, we must replace dg-test with a wrapper.
  
  if { [info procs saved-dg-test] == [list] } {
      rename dg-test saved-dg-test
  
      proc dg-test { args } {
  	global additional_files
  	global additional_sources
  	global errorInfo
  
  	if { [ catch { eval saved-dg-test $args } errmsg ] } {
  	    set saved_info $errorInfo
  	    set additional_files ""
  	    set additional_sources ""
  	    error $errmsg $saved_info
  	}
  	set additional_files ""
  	set additional_sources ""
      }
  }
  
  # Local Variables:
  # tcl-indent-level:4
  # End:
  

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