gcc/libgomp/testsuite/lib/libgomp.exp
Thomas Schwinge be9f71435f libgcc_s is required by libstdc++
libgomp/
	* testsuite/lib/libgomp.exp (libgomp_init): Potentially append to
	always_ld_library_path the path to libgcc_s.

From-SVN: r234170
2016-03-13 20:08:21 +01:00

453 lines
13 KiB
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# 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
# Required to use gcc-dg.exp - however, the latter should NOT be
# loaded until ${tool}_target_compile is defined since it uses that
# to determine default LTO options.
load_gcc_lib multiline.exp
load_gcc_lib prune.exp
load_gcc_lib target-libpath.exp
load_gcc_lib wrapper.exp
load_gcc_lib target-supports.exp
load_gcc_lib target-utils.exp
load_gcc_lib gcc-defs.exp
load_gcc_lib timeout.exp
load_gcc_lib file-format.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 timeout-dg.exp
load_gcc_lib torture-options.exp
load_gcc_lib fortran-modules.exp
# Try to load a test support file, built during libgomp configuration.
load_file libgomp-test-support.exp
# Populate offload_targets_s (offloading targets separated by a space), and
# offload_targets_s_openacc (the same, but with OpenACC names; OpenACC spells
# some of them a little differently).
set offload_targets_s [split $offload_targets ","]
set offload_targets_s_openacc {}
foreach offload_target_openacc $offload_targets_s {
# Translate to OpenACC names, or skip if not yet supported.
switch $offload_target_openacc {
intelmic {
continue
}
nvptx {
set offload_target_openacc "nvidia"
}
hsa {
continue
}
}
lappend offload_targets_s_openacc "$offload_target_openacc"
}
lappend offload_targets_s_openacc "host"
set dg-do-what-default run
#
# GCC_UNDER_TEST is the compiler under test.
#
set libgomp_compile_options ""
#
# libgomp_init
#
if [info exists TOOL_OPTIONS] {
set multilibs [get_multilibs $TOOL_OPTIONS]
} else {
set multilibs [get_multilibs]
}
proc libgomp_init { args } {
global srcdir blddir objdir tool_root_dir
global libgomp_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] libgomp]
# 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
# Many hosts now default to a non-ASCII C locale, however, so
# they can set a charset encoding here if they need.
if { [ishost "*-*-cygwin*"] } {
setenv LC_ALL C.ASCII
setenv LANG C.ASCII
}
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"
# Add liboffloadmic build directory in LD_LIBRARY_PATH to support
# non-fallback testing for Intel MIC targets
global offload_targets
if { [string match "*,intelmic,*" ",$offload_targets,"] } {
append always_ld_library_path ":${blddir}/../liboffloadmic/.libs"
append always_ld_library_path ":${blddir}/../liboffloadmic/plugin/.libs"
# libstdc++ is required by liboffloadmic
append always_ld_library_path ":${blddir}/../libstdc++-v3/src/.libs"
# libgcc_s is required by libstdc++
append always_ld_library_path ":${blddir}/../libgcc"
}
global offload_additional_lib_paths
if { $offload_additional_lib_paths != "" } {
append always_ld_library_path "${offload_additional_lib_paths}"
}
# 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}/"
# targets that use libgomp.a%s in their specs need a -B option
# for uninstalled testing.
lappend ALWAYS_CFLAGS "additional_flags=-B${blddir}/.libs"
lappend ALWAYS_CFLAGS "additional_flags=-I${blddir}"
lappend ALWAYS_CFLAGS "ldflags=-L${blddir}/.libs"
# The top-level include directory, for gomp-constants.h.
lappend ALWAYS_CFLAGS "additional_flags=-I${srcdir}/../../include"
}
lappend ALWAYS_CFLAGS "additional_flags=-I${srcdir}/.."
# For build-tree testing, also consider the library paths used for builing.
# For installed testing, we assume all that to be provided in the sysroot.
if { $blddir != "" } {
global cuda_driver_include
global cuda_driver_lib
if { $cuda_driver_include != "" } {
# Stop gfortran from freaking out:
# Warning: Nonexistent include directory "[...]"
if {[file exists $cuda_driver_include]} {
lappend ALWAYS_CFLAGS "additional_flags=-I$cuda_driver_include"
}
}
if { $cuda_driver_lib != "" } {
lappend ALWAYS_CFLAGS "additional_flags=-L$cuda_driver_lib"
append always_ld_library_path ":$cuda_driver_lib"
}
global hsa_runtime_lib
global hsa_kmt_lib
if { $hsa_runtime_lib != "" } {
append always_ld_library_path ":$hsa_runtime_lib"
}
if { $hsa_kmt_lib != "" } {
append always_ld_library_path ":$hsa_kmt_lib"
}
}
# 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"
# Disable caret
lappend ALWAYS_CFLAGS "additional_flags=-fno-diagnostics-show-caret"
# Disable HSA warnings by default.
lappend ALWAYS_CFLAGS "additional_flags=-Wno-hsa"
# Disable color diagnostics
lappend ALWAYS_CFLAGS "additional_flags=-fdiagnostics-color=never"
# Used for support non-fallback offloading.
# Help GCC to find target mkoffload.
global offload_additional_options
if { $offload_additional_options != "" } {
lappend ALWAYS_CFLAGS "additional_flags=${offload_additional_options}"
}
}
#
# libgomp_target_compile -- compile a source file
#
proc libgomp_target_compile { source dest type options } {
global blddir
global libgomp_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
global lang_include_flags
global lang_source_re
if { [info exists lang_test_file] } {
if { $blddir != "" } {
# Some targets use libgfortran.a%s in their specs, so they need
# a -B option for uninstalled testing.
lappend options "additional_flags=-B${blddir}/${lang_library_path}"
lappend options "ldflags=-L${blddir}/${lang_library_path}"
}
lappend options "ldflags=${lang_link_flags}"
if { [info exists lang_include_flags] \
&& [regexp ${lang_source_re} ${source}] } {
lappend options "additional_flags=${lang_include_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 $libgomp_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 libgomp_option_help { } {
send_user " --additional_options,OPTIONS\t\tUse OPTIONS to compile the testcase files. OPTIONS should be comma-separated.\n"
}
proc libgomp_option_proc { option } {
if [regexp "^--additional_options," $option] {
global libgomp_compile_options
regsub "--additional_options," $option "" option
foreach x [split $option ","] {
lappend libgomp_compile_options "additional_flags=$x"
}
return 1
} else {
return 0
}
}
# Return 1 if offload device is available.
proc check_effective_target_offload_device { } {
return [check_runtime_nocache offload_device_available_ {
#include <omp.h>
int main ()
{
int a;
#pragma omp target map(from: a)
a = omp_is_initial_device ();
return a;
}
} ]
}
# Return 1 if offload device is available and it has non-shared address space.
proc check_effective_target_offload_device_nonshared_as { } {
return [check_runtime_nocache offload_device_nonshared_as {
int main ()
{
int a = 8;
#pragma omp target map(to: a)
a++;
return a != 8;
}
} ]
}
# Return 1 if offload device is available and it has shared address space.
proc check_effective_target_offload_device_shared_as { } {
return [check_runtime_nocache offload_device_shared_as {
int main ()
{
int x = 10;
#pragma omp target map(to: x)
x++;
return x == 10;
}
} ]
}
# Return 1 if at least one nvidia board is present.
proc check_effective_target_openacc_nvidia_accel_present { } {
return [check_runtime openacc_nvidia_accel_present {
#include <openacc.h>
int main () {
return !(acc_get_num_devices (acc_device_nvidia) > 0);
}
} "" ]
}
# Return 1 if at least one nvidia board is present, and the nvidia device type
# is selected by default by means of setting the environment variable
# ACC_DEVICE_TYPE.
proc check_effective_target_openacc_nvidia_accel_selected { } {
if { ![check_effective_target_openacc_nvidia_accel_present] } {
return 0;
}
global offload_target_openacc
if { $offload_target_openacc == "nvidia" } {
return 1;
}
return 0;
}
# Return 1 if the host target is selected for offloaded
proc check_effective_target_openacc_host_selected { } {
global offload_target_openacc
if { $offload_target_openacc == "host" } {
return 1;
}
return 0;
}
# Return 1 if the selected OMP device is actually a HSA device
proc check_effective_target_hsa_offloading_selected_nocache {} {
global tool
set src {
int main () {
int v = 1;
#pragma omp target map(from:v)
v = 0;
return v;
}
}
set result [eval [list check_compile hsa_offloading_src executable $src] ""]
set lines [lindex $result 0]
set output [lindex $result 1]
set ok 0
if { [string match "" $lines] } {
# No error messages, let us switch on HSA debugging output and run it
set prev_HSA_DEBUG [getenv HSA_DEBUG]
setenv HSA_DEBUG "1"
set result [remote_load target "./$output" "2>&1" ""]
if { [string match "" $prev_HSA_DEBUG] } {
unsetenv HSA_DEBUG
} else {
setenv HSA_DEBUG $prev_HSA_DEBUG
}
set status [lindex $result 0]
if { $status != "pass" } {
verbose "HSA availability test failed"
return 0
}
set output [lindex $result 1]
if { [string match "*HSA debug: Going to dispatch kernel*" $output] } {
verbose "HSA availability detected"
set ok 1
}
}
remote_file build delete $output
return $ok
}
# Return 1 if the selected OMP device is actually a HSA device and
# cache the result
proc check_effective_target_hsa_offloading_selected {} {
return [check_cached_effective_target hsa_offloading_selected {
check_effective_target_hsa_offloading_selected_nocache
}]
}