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# Copyright 2010-2012 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. If not, see <http://www.gnu.org/licenses/>.
#
# Contributed by Ken Werner <ken.werner@de.ibm.com>.
#
# 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 ${objdir}/${subdir}/${executable}
set compile_flags [concat additional_flags=-I${srcdir}/lib/ additional_flags=-DCL_SOURCE=$clsource]
set options_opencl [concat {debug} $compile_flags $options [list libs=-lOpenCL]]
return [gdb_compile ${src} ${binfile} "executable" ${options_opencl}]
}
# Run a test on the target to check if it supports OpenCL. Return 0 if so, 1 if
# it does not.
proc skip_opencl_tests {} {
global skip_opencl_tests_saved srcdir objdir subdir gdb_prompt
global inferior_exited_re
# Use the cached value, if it exists. Cache value per "board" to handle
# runs with multiple options (e.g. unix/{-m32,-64}) correctly.
set me "skip_opencl_tests"
set board [target_info name]
if [info exists skip_opencl_tests_saved($board)] {
verbose "$me: returning saved $skip_opencl_tests_saved($board)" 2
return $skip_opencl_tests_saved($board)
}
# 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 ${srcdir}/lib/opencl_kernel.cl]
set executable opencltest[pid].x
verbose "$me: compiling OpenCL test app" 2
set compile_flags {debug nowarnings quiet}
if { [gdb_compile_opencl_hostapp "${clprogram}" "${executable}" "${compile_flags}" ] != "" } {
verbose "$me: compiling OpenCL binary failed, returning 1" 2
return [set skip_opencl_tests_saved($board) 1]
}
# Compilation succeeded so now run it via gdb.
clean_restart "$executable"
gdb_run_cmd
gdb_expect 30 {
-re ".*$inferior_exited_re normally.*${gdb_prompt} $" {
verbose -log "\n$me: OpenCL support detected"
set skip_opencl_tests_saved($board) 0
}
-re ".*$inferior_exited_re code.*${gdb_prompt} $" {
verbose -log "\n$me: OpenCL support not detected"
set skip_opencl_tests_saved($board) 1
}
default {
verbose -log "\n$me OpenCL support not detected (default case)"
set skip_opencl_tests_saved($board) 1
}
}
gdb_exit
remote_file build delete $executable
# Delete the OpenCL program source file.
remote_file target delete ${clprogram}
verbose "$me: returning $skip_opencl_tests_saved($board)" 2
return $skip_opencl_tests_saved($board)
}
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