gdb/testsuite/lib/cl_util.h

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2010-2013 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18    Contributed by Ken Werner <ken.werner@de.ibm.com>  */
  19
  20 /* Utility macros and functions for OpenCL applications.  */
  21
  22 #ifndef CL_UTIL_H
  23 #define CL_UTIL_H
  24
  25 #ifdef __cplusplus
  26 extern "C" {
  27 #endif
  28
  29 #ifdef __APPLE__
  30 #include <OpenCL/opencl.h>
  31 #else
  32 #include <CL/cl.h>
  33 #endif
  34 #include <stdio.h>
  35
  36 /* Executes the given OpenCL function and checks its return value.
  37    In case of failure (rc != CL_SUCCESS) an error string will be
  38    printed to stderr and the program will be terminated.  This Macro
  39    is only intended for OpenCL routines which return cl_int.  */
  40
  41 #define CHK(func)\
  42 {\
  43   int rc = (func);\
  44   CHK_ERR (#func, rc);\
  45 }
  46
  47 /* Macro that checks an OpenCL error code.  In case of failure
  48    (err != CL_SUCCESS) an error string will be printed to stderr
  49    including the prefix and the program will be terminated.  This
  50    Macro is only intended to use in conjunction with OpenCL routines
  51    which take a pointer to a cl_int as an argument to place their
  52    error code.  */
  53
  54 #define CHK_ERR(prefix, err)\
  55 if (err != CL_SUCCESS)\
  56   {\
  57     fprintf (stderr, "CHK_ERR (%s, %d)\n", prefix, err);\
  58     fprintf (stderr, "%s:%d error: %s\n", __FILE__, __LINE__,\
  59              get_clerror_string (err));\
  60     exit (EXIT_FAILURE);\
  61   };
  62
  63 /* Return a pointer to a string that describes the error code specified
  64    by the errcode argument.  */
  65
  66 extern const char *get_clerror_string (int errcode);
  67
  68 /* Prints OpenCL information to stdout.  */
  69
  70 extern void print_clinfo ();
  71
  72 /* Reads a given file into the memory and returns a pointer to the data or NULL
  73    if the file does not exist.  FILENAME specifies the location of the file to
  74    be read.  SIZE is an output parameter that returns the size of the  file in
  75    bytes.  */
  76
  77 extern const char *read_file (const char * const filename, size_t *size);
  78
  79 /* Saves all program binaries of the given OpenCL PROGRAM.  The file
  80    names are extracted from the devices.  */
  81
  82 extern void save_program_binaries (cl_program program);
  83
  84 #ifdef __cplusplus
  85 }
  86 #endif
  87
  88 #endif /* CL_UTIL_H */