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# Copyright 2010-2021 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
# 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, see <>.
# Contributed by Ken Werner <>.
# Support library for testing OpenCL GDB features
# Compile OpenCL programs using a generic host app.
proc gdb_compile_opencl_hostapp {clsource executable options} {
global srcdir objdir subdir
set src "${srcdir}/lib/cl_util.c ${srcdir}/lib/opencl_hostapp.c"
set binfile [standard_output_file ${executable}]
set compile_flags [concat additional_flags=-I${srcdir}/lib/ additional_flags=-DCL_SOURCE=$clsource]
set options_opencl [concat {debug} $compile_flags $options [list libs=-lOpenCL]]
return [gdb_compile ${src} ${binfile} "executable" ${options_opencl}]
# Run a test on the target to check if it supports OpenCL. Return 0 if so, 1 if
# it does not.
gdb_caching_proc skip_opencl_tests {
global srcdir objdir subdir gdb_prompt
global inferior_exited_re
set me "skip_opencl_tests"
# Set up, compile, and execute an OpenCL program. Include the current
# process ID in the file name of the executable to prevent conflicts with
# invocations for multiple testsuites.
set clprogram [remote_download target ${srcdir}/lib/]
set executable opencltest[pid].x
verbose "$me: compiling OpenCL test app" 2
set compile_flags {debug nowarnings quiet}
if { [gdb_compile_opencl_hostapp "${clprogram}" "${executable}" "${compile_flags}" ] != "" } {
remote_file target delete ${clprogram}
verbose "$me: compiling OpenCL binary failed, returning 1" 2
return 1
# Compilation succeeded so now run it via gdb.
clean_restart "$executable"
gdb_expect 30 {
-re ".*$inferior_exited_re normally.*${gdb_prompt} $" {
verbose -log "\n$me: OpenCL support detected"
set result 0
-re ".*$inferior_exited_re with code.*${gdb_prompt} $" {
verbose -log "\n$me: OpenCL support not detected"
set result 1
default {
verbose -log "\n$me OpenCL support not detected (default case)"
set result 1
remote_file build delete $executable
# Delete the OpenCL program source file.
remote_file target delete ${clprogram}
verbose "$me: returning $result" 2
return $result