gdb/testsuite/lib/opencl.exp

   1 # Copyright 2010-2013 Free Software Foundation, Inc.
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15 #
  16 # Contributed by Ken Werner <ken.werner@de.ibm.com>.
  17 #
  18 # Support library for testing OpenCL GDB features
  19
  20 # Compile OpenCL programs using a generic host app.
  21 proc gdb_compile_opencl_hostapp {clsource executable options} {
  22     global srcdir objdir subdir
  23     set src "${srcdir}/lib/cl_util.c ${srcdir}/lib/opencl_hostapp.c"
  24     set binfile ${objdir}/${subdir}/${executable}
  25     set compile_flags [concat additional_flags=-I${srcdir}/lib/ additional_flags=-DCL_SOURCE=$clsource]
  26     set options_opencl [concat {debug} $compile_flags $options [list libs=-lOpenCL]]
  27     return [gdb_compile ${src} ${binfile} "executable" ${options_opencl}]
  28 }
  29
  30 # Run a test on the target to check if it supports OpenCL. Return 0 if so, 1 if
  31 # it does not.
  32 proc skip_opencl_tests {} {
  33     global skip_opencl_tests_saved srcdir objdir subdir gdb_prompt
  34     global inferior_exited_re
  35
  36     # Use the cached value, if it exists.  Cache value per "board" to handle
  37     # runs with multiple options (e.g. unix/{-m32,-64}) correctly.
  38     set me "skip_opencl_tests"
  39     set board [target_info name]
  40     if [info exists skip_opencl_tests_saved($board)] {
  41         verbose "$me:  returning saved $skip_opencl_tests_saved($board)" 2
  42         return $skip_opencl_tests_saved($board)
  43     }
  44
  45     # Set up, compile, and execute an OpenCL program.  Include the current
  46     # process ID in the file name of the executable to prevent conflicts with
  47     # invocations for multiple testsuites.
  48     set clprogram [remote_download target ${srcdir}/lib/opencl_kernel.cl]
  49     set executable opencltest[pid].x
  50
  51     verbose "$me:  compiling OpenCL test app" 2
  52     set compile_flags {debug nowarnings quiet}
  53
  54     if { [gdb_compile_opencl_hostapp "${clprogram}" "${executable}" "${compile_flags}" ] != "" } {
  55         verbose "$me:  compiling OpenCL binary failed, returning 1" 2
  56         return [set skip_opencl_tests_saved($board) 1]
  57     }
  58
  59     # Compilation succeeded so now run it via gdb.
  60     clean_restart "$executable"
  61     gdb_run_cmd
  62     gdb_expect 30 {
  63         -re ".*$inferior_exited_re normally.*${gdb_prompt} $" {
  64             verbose -log "\n$me: OpenCL support detected"
  65             set skip_opencl_tests_saved($board) 0
  66         }
  67         -re ".*$inferior_exited_re code.*${gdb_prompt} $" {
  68             verbose -log "\n$me: OpenCL support not detected"
  69             set skip_opencl_tests_saved($board) 1
  70         }
  71         default {
  72             verbose -log "\n$me OpenCL support not detected (default case)"
  73             set skip_opencl_tests_saved($board) 1
  74         }
  75     }
  76     gdb_exit
  77     remote_file build delete $executable
  78
  79     # Delete the OpenCL program source file.
  80     remote_file target delete ${clprogram}
  81
  82     verbose "$me:  returning $skip_opencl_tests_saved($board)" 2
  83     return $skip_opencl_tests_saved($board)
  84 }