# Copyright © 2003, 2005, 2008, 2009, 2010, 2011, 2014, 2019, 2022 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 # <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
proc check_effective_target_gccbug { } {
global has_gccbug return $has_gccbug
}
# Return 1 if the target matches the effective target ‘arg’, 0 otherwise. # This can be used with any check_* proc that takes no argument and # returns only 1 or 0. It could be used with check_* procs that take # arguments with keywords that pass particular arguments.
proc is-effective-target { arg } {
global et_index
set selected 0
if { ![info exists et_index] } {
# Initialize the effective target index that is used in some
# check_effective_target_* procs.
set et_index 0
}
if { [info procs check_effective_target_${arg}] != [list] } {
set selected [check_effective_target_${arg}]
} else {
error "unknown effective target keyword `$arg'"
}
verbose "is-effective-target: $arg $selected" 2
return $selected
}
proc is-effective-target-keyword { arg } {
if { [info procs check_effective_target_${arg}] != [list] } {
return 1
} else {
return 0
}
}
# Intercept the call to the DejaGnu version of dg-process-target to # support use of an effective-target keyword in place of a list of # target triplets to xfail or skip a test. # # The argument to dg-process-target is the keyword “target” or “xfail” # followed by a selector: # target-triplet-1 … # effective-target-keyword # selector-expression # # For a target list the result is “S” if the target is selected, “N” otherwise. # For an xfail list the result is “F” if the target is affected, “P” otherwise.
# In contexts that allow either “target” or “xfail” the argument can be # target selector1 xfail selector2 # which returns “N” if selector1 is not selected, otherwise the result of # “xfail selector2”. # # A selector expression appears within curly braces and uses a single logical # operator: !, &&, or ||. An operand is another selector expression, an # effective-target keyword, or a list of target triplets within quotes or # curly braces.
if { [info procs saved-dg-process-target] == [list] } {
rename dg-process-target saved-dg-process-target
# Evaluate an operand within a selector expression.
proc selector_opd { op } {
set selector "target"
lappend selector $op
set answer [ expr { [dg-process-target $selector] == "S" } ]
verbose "selector_opd: `$op' $answer" 2
return $answer
}
# Evaluate a target triplet list within a selector expression.
# Unlike other operands, this needs to be expanded from a list to
# the same string as "target".
proc selector_list { op } {
set selector "target [join $op]"
set answer [ expr { [dg-process-target $selector] == "S" } ]
verbose "selector_list: `$op' $answer" 2
return $answer
}
# Evaluate a selector expression.
proc selector_expression { exp } {
if { [llength $exp] == 2 } {
if [string match "!" [lindex $exp 0]] {
set op1 [lindex $exp 1]
set answer [expr { ! [selector_opd $op1] }]
} else {
# Assume it's a list of target triplets.
set answer [selector_list $exp]
}
} elseif { [llength $exp] == 3 } {
set op1 [lindex $exp 0]
set opr [lindex $exp 1]
set op2 [lindex $exp 2]
if [string match "&&" $opr] {
set answer [expr { [selector_opd $op1] && [selector_opd $op2] }]
} elseif [string match "||" $opr] {
set answer [expr { [selector_opd $op1] || [selector_opd $op2] }]
} else {
# Assume it's a list of target triplets.
set answer [selector_list $exp]
}
} else {
# Assume it's a list of target triplets.
set answer [selector_list $exp]
}
verbose "selector_expression: `$exp' $answer" 2
return $answer
}
# Evaluate "target selector" or "xfail selector".
proc dg-process-target-1 { args } {
verbose "dg-process-target-1: `$args'" 2
# Extract the 'what' keyword from the argument list.
set selector [string trim [lindex $args 0]]
if [regexp "^xfail " $selector] {
set what "xfail"
} elseif [regexp "^target " $selector] {
set what "target"
} else {
error "syntax error in target selector \"$selector\""
}
# Extract the rest of the list, which might be a keyword.
regsub "^${what}" $selector "" rest
set rest [string trim $rest]
if [is-effective-target-keyword $rest] {
# The selector is an effective target keyword.
if [is-effective-target $rest] {
return [expr { $what == "xfail" ? "F" : "S" }]
} else {
return [expr { $what == "xfail" ? "P" : "N" }]
}
}
if [string match "{*}" $rest] {
if [selector_expression [lindex $rest 0]] {
return [expr { $what == "xfail" ? "F" : "S" }]
} else {
return [expr { $what == "xfail" ? "P" : "N" }]
}
}
# The selector is not an effective-target keyword, so process
# the list of target triplets.
return [saved-dg-process-target $selector]
}
# Intercept calls to the DejaGnu function. In addition to
# processing "target selector" or "xfail selector", handle
# "target selector1 xfail selector2".
proc dg-process-target { args } {
verbose "replacement dg-process-target: `$args'" 2
set selector [string trim [lindex $args 0]]
# If the argument list contains both 'target' and 'xfail',
# process 'target' and, if that succeeds, process 'xfail'.
if [regexp "^target .* xfail .*" $selector] {
set xfail_index [string first "xfail" $selector]
set xfail_selector [string range $selector $xfail_index end]
set target_selector [string range $selector 0 [expr $xfail_index-1]]
set target_selector [string trim $target_selector]
if { [dg-process-target-1 $target_selector] == "N" } {
return "N"
}
return [dg-process-target-1 $xfail_selector]
}
return [dg-process-target-1 $selector]
}
}
# 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]
}
if { [ istarget "wasm32-*-*" ] } {
# emscripten will get confused if told to build as .exe
set exec_suffix ""
} else {
set exec_suffix ".exe"
}
# 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 $prog]]$exec_suffix"
# 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 $prog]]$exec_suffix"
# 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-dg-prune { target_triplet text } {
# We get this with some qemu emulated systems (eg. ppc64le-linux-gnu) regsub -all "(^|\n)\[^\n\]*unable to perform all requested operations" $text "" text # We get this from sparc64 linux systems regsub -all "(^|\n)\[^\n\]*warning: .* has a LOAD segment with RWX permissions" $text "" text # Ignore Emscripten INFO messages regsub -all "(^|\n)(cache|shared):INFO:\[^\n\]*" $text "" text return $text
}
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
global compiler_vendor
if ![info exists blddirffi] {
set blddirffi [pwd]/..
}
verbose "libffi $blddirffi"
# Which compiler are we building with?
if { [string match $compiler_vendor "gnu"] } {
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 $gluefile;
unset gluefile;
}
}
proc libffi_target_compile { source dest type options } {
global gluefile wrap_flags;
global srcdir
global blddirffi
global TOOL_OPTIONS
global libffi_link_flags
global libffi_include
global target_triplet
global compiler_vendor
if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
lappend options "libs=${gluefile}"
lappend options "ldflags=$wrap_flags"
}
# TOOL_OPTIONS must come first, so that it doesn't override testcase
# specific options.
if [info exists TOOL_OPTIONS] {
lappend options "additional_flags=$TOOL_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"
lappend options "additional_flags=-Wno-unused-command-line-argument"
lappend options "additional_flags=-Wl,-search_paths_first"
}
# 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"
if { ![string match "*android*" $target_triplet] } {
if { [string match "aarch64*-*-linux*" $target_triplet] } {
lappend options "libs= -lpthread"
}
# this may be required for g++, but just confused clang.
if { [string match "*.cc" $source] } {
lappend options "c++"
if { [string match "*-*-darwin*" $target_triplet] } {
lappend options "libs= -lc++"
}
}
if { [string match "arc*-*-linux*" $target_triplet] } {
lappend options "libs= -lpthread"
}
}
# emscripten emits this warning while building the feature test
# which causes it to be seen as unsupported.
if { [string match "wasm32-*" $target_triplet] } {
lappend options "additional_flags=-Wno-unused-command-line-argument"
}
verbose "options: $options"
return [target_compile $source $dest $type $options]
}
# TEST should be a preprocessor condition. Returns true if it holds. proc libffi_feature_test { test } {
set src "ffitest[pid].c" set f [open $src "w"] puts $f "#include <ffi.h>" puts $f $test puts $f "/* OK */" puts $f "#else" puts $f "# error Failed $test" puts $f "#endif" close $f set lines [libffi_target_compile $src /dev/null assembly ""] file delete $src return [string match "" $lines]
}
# 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}
}
}
}
proc run-many-tests { testcases extra_flags } {
global compiler_vendor
global has_gccbug
global env
switch $compiler_vendor {
"clang" {
set common "-W -Wall"
if [info exists env(LIBFFI_TEST_OPTIMIZATION)] {
set optimizations [ list $env(LIBFFI_TEST_OPTIMIZATION) ]
} else {
set optimizations { "-O0" "-O2" }
}
}
"gnu" {
set common "-W -Wall -Wno-psabi"
if [info exists env(LIBFFI_TEST_OPTIMIZATION)] {
set optimizations [ list $env(LIBFFI_TEST_OPTIMIZATION) ]
} else {
set optimizations { "-O0" "-O2" }
}
}
default {
# Assume we are using the vendor compiler.
set common ""
if [info exists env(LIBFFI_TEST_OPTIMIZATION)] {
set optimizations [ list $env(LIBFFI_TEST_OPTIMIZATION) ]
} else {
set optimizations { "" }
}
}
}
info exists env(LD_LIBRARY_PATH)
set targetabis { "" }
if [string match $compiler_vendor "gnu"] {
if [libffi_feature_test "#ifdef __i386__"] {
set targetabis {
""
"-DABI_NUM=FFI_STDCALL -DABI_ATTR=__STDCALL__"
"-DABI_NUM=FFI_THISCALL -DABI_ATTR=__THISCALL__"
"-DABI_NUM=FFI_FASTCALL -DABI_ATTR=__FASTCALL__"
}
} elseif { [istarget "x86_64-*-*"] \
&& [libffi_feature_test "#if !defined __ILP32__ \
&& !defined __i386__"] } {
set targetabis {
""
"-DABI_NUM=FFI_GNUW64 -DABI_ATTR=__MSABI__"
}
}
}
set common [ concat $common $extra_flags ]
foreach test $testcases {
set testname [file tail $test]
if [search_for $test "ABI_NUM"] {
set abis $targetabis
} else {
set abis { "" }
}
foreach opt $optimizations {
foreach abi $abis {
set options [concat $common $opt $abi]
set has_gccbug false;
if { [string match $compiler_vendor "gnu"] \
&& [string match "*MSABI*" $abi] \
&& ( ( [string match "*DGTEST=57 *" $common] \
&& [string match "*call.c*" $testname] ) \
|| ( [string match "*DGTEST=54 *" $common] \
&& [string match "*callback*" $testname] ) \
|| [string match "*DGTEST=55 *" $common] \
|| [string match "*DGTEST=56 *" $common] ) } then {
if [libffi_feature_test "#if (__GNUC__ < 9) || ((__GNUC__ == 9) && (__GNUC_MINOR__ < 3))"] {
set has_gccbug true;
}
}
verbose "Testing $testname, $options" 1
verbose "has_gccbug = $has_gccbug" 1
dg-test $test $options ""
}
}
}
}
# 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 ""
}
}
# Local Variables: # tcl-indent-level:4 # End: