# Copyright (C) 2003, 2005, 2008, 2009, 2010, 2011 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; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
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
}
}
proc check-flags { args } {
# The args are within another list; pull them out.
set args [lindex $args 0]
# The next two arguments are optional. If they were not specified,
# use the defaults.
if { [llength $args] == 2 } {
lappend $args [list "*"]
}
if { [llength $args] == 3 } {
lappend $args [list ""]
}
# If the option strings are the defaults, or the same as the
# defaults, there is no need to call check_conditional_xfail to
# compare them to the actual options.
if { [string compare [lindex $args 2] "*"] == 0
&& [string compare [lindex $args 3] "" ] == 0 } {
set result 1
} else {
# The target list might be an effective-target keyword, so replace
# the original list with "*-*-*", since we already know it matches.
set result [check_conditional_xfail [lreplace $args 1 1 "*-*-*"]]
}
return $result
}
proc dg-skip-if { args } {
# Verify the number of arguments. The last two are optional.
set args [lreplace $args 0 0]
if { [llength $args] < 2 || [llength $args] > 4 } {
error "dg-skip-if 2: need 2, 3, or 4 arguments"
}
# Don't bother if we're already skipping the test.
upvar dg-do-what dg-do-what
if { [lindex ${dg-do-what} 1] == "N" } {
return
}
set selector [list target [lindex $args 1]]
if { [dg-process-target $selector] == "S" } {
if [check-flags $args] {
upvar dg-do-what dg-do-what
set dg-do-what [list [lindex ${dg-do-what} 0] "N" "P"]
}
}
}
# 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 ""
}
}
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