liboffloadmic/runtime/offload_myo_host.h

   1 /*
   2     Copyright (c) 2014 Intel Corporation.  All Rights Reserved.
   3
   4     Redistribution and use in source and binary forms, with or without
   5     modification, are permitted provided that the following conditions
   6     are met:
   7
   8       * Redistributions of source code must retain the above copyright
   9         notice, this list of conditions and the following disclaimer.
  10       * Redistributions in binary form must reproduce the above copyright
  11         notice, this list of conditions and the following disclaimer in the
  12         documentation and/or other materials provided with the distribution.
  13       * Neither the name of Intel Corporation nor the names of its
  14         contributors may be used to endorse or promote products derived
  15         from this software without specific prior written permission.
  16
  17     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  19     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  20     A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  21     HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23     LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27     OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 */
  29
  30
  31 #ifndef OFFLOAD_MYO_HOST_H_INCLUDED
  32 #define OFFLOAD_MYO_HOST_H_INCLUDED
  33
  34 #include <myotypes.h>
  35 #include <myoimpl.h>
  36 #include <myo.h>
  37 #include "offload.h"
  38
  39 typedef MyoiSharedVarEntry      SharedTableEntry;
  40 //typedef MyoiHostSharedFptrEntry FptrTableEntry;
  41 typedef struct {
  42     //! Function Name
  43     const char *funcName;
  44     //! Function Address
  45     void *funcAddr;
  46     //! Local Thunk Address
  47     void *localThunkAddr;
  48 #ifdef TARGET_WINNT
  49     // Dummy to pad up to 32 bytes
  50     void *dummy;
  51 #endif // TARGET_WINNT
  52 } FptrTableEntry;
  53
  54 struct InitTableEntry {
  55 #ifdef TARGET_WINNT
  56     // Dummy to pad up to 16 bytes
  57     // Function Name
  58     const char *funcName;
  59 #endif // TARGET_WINNT
  60     void (*func)(void);
  61 };
  62
  63 #ifdef TARGET_WINNT
  64 #define OFFLOAD_MYO_SHARED_TABLE_SECTION_START          ".MyoSharedTable$a"
  65 #define OFFLOAD_MYO_SHARED_TABLE_SECTION_END            ".MyoSharedTable$z"
  66
  67 #define OFFLOAD_MYO_SHARED_INIT_TABLE_SECTION_START     ".MyoSharedInitTable$a"
  68 #define OFFLOAD_MYO_SHARED_INIT_TABLE_SECTION_END       ".MyoSharedInitTable$z"
  69
  70 #define OFFLOAD_MYO_FPTR_TABLE_SECTION_START            ".MyoFptrTable$a"
  71 #define OFFLOAD_MYO_FPTR_TABLE_SECTION_END              ".MyoFptrTable$z"
  72 #else  // TARGET_WINNT
  73 #define OFFLOAD_MYO_SHARED_TABLE_SECTION_START          ".MyoSharedTable."
  74 #define OFFLOAD_MYO_SHARED_TABLE_SECTION_END            ".MyoSharedTable."
  75
  76 #define OFFLOAD_MYO_SHARED_INIT_TABLE_SECTION_START     ".MyoSharedInitTable."
  77 #define OFFLOAD_MYO_SHARED_INIT_TABLE_SECTION_END       ".MyoSharedInitTable."
  78
  79 #define OFFLOAD_MYO_FPTR_TABLE_SECTION_START            ".MyoFptrTable."
  80 #define OFFLOAD_MYO_FPTR_TABLE_SECTION_END              ".MyoFptrTable."
  81 #endif // TARGET_WINNT
  82
  83 #pragma section(OFFLOAD_MYO_SHARED_TABLE_SECTION_START, read, write)
  84 #pragma section(OFFLOAD_MYO_SHARED_TABLE_SECTION_END, read, write)
  85
  86 #pragma section(OFFLOAD_MYO_SHARED_INIT_TABLE_SECTION_START, read, write)
  87 #pragma section(OFFLOAD_MYO_SHARED_INIT_TABLE_SECTION_END, read, write)
  88
  89 #pragma section(OFFLOAD_MYO_FPTR_TABLE_SECTION_START, read, write)
  90 #pragma section(OFFLOAD_MYO_FPTR_TABLE_SECTION_END, read, write)
  91
  92 extern "C" void __offload_myoRegisterTables(
  93     InitTableEntry *init_table,
  94     SharedTableEntry *shared_table,
  95     FptrTableEntry *fptr_table
  96 );
  97
  98 extern void __offload_myoFini(void);
  99
 100 #endif // OFFLOAD_MYO_HOST_H_INCLUDED