src/mapi/entry.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2010 LunarG Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #include "entry.h"
  29 #include "u_current.h"
  30
  31 #define _U_STRINGIFY(x) #x
  32 #define U_STRINGIFY(x) _U_STRINGIFY(x)
  33
  34 /* define macros for use by assembly dispatchers */
  35 #define ENTRY_CURRENT_TABLE U_STRINGIFY(u_current_table)
  36
  37 /* in bridge mode, mapi is a user of glapi */
  38 #ifdef MAPI_MODE_BRIDGE
  39 #define ENTRY_CURRENT_TABLE_GET "_glapi_get_dispatch"
  40 #else
  41 #define ENTRY_CURRENT_TABLE_GET U_STRINGIFY(u_current_get_table_internal)
  42 #endif
  43
  44 #if defined(USE_X86_ASM) && defined(__GNUC__)
  45 #   ifdef GLX_USE_TLS
  46 #      include "entry_x86_tls.h"
  47 #   else
  48 #      include "entry_x86_tsd.h"
  49 #   endif
  50 #elif defined(USE_X86_64_ASM) && defined(__GNUC__) && defined(GLX_USE_TLS)
  51 #   include "entry_x86-64_tls.h"
  52 #else
  53
  54 #include <stdlib.h>
  55
  56 static inline const struct mapi_table *
  57 entry_current_get(void)
  58 {
  59 #ifdef MAPI_MODE_BRIDGE
  60    return GET_DISPATCH();
  61 #else
  62    return u_current_get_table();
  63 #endif
  64 }
  65
  66 /* C version of the public entries */
  67 #define MAPI_TMP_DEFINES
  68 #define MAPI_TMP_PUBLIC_DECLARES
  69 #define MAPI_TMP_PUBLIC_ENTRIES
  70 #include "mapi_tmp.h"
  71
  72 #ifndef MAPI_MODE_BRIDGE
  73
  74 void
  75 entry_patch_public(void)
  76 {
  77 }
  78
  79 mapi_func
  80 entry_get_public(int slot)
  81 {
  82    /* pubic_entries are defined by MAPI_TMP_PUBLIC_ENTRIES */
  83    return public_entries[slot];
  84 }
  85
  86 mapi_func
  87 entry_generate(int slot)
  88 {
  89    return NULL;
  90 }
  91
  92 void
  93 entry_patch(mapi_func entry, int slot)
  94 {
  95 }
  96
  97 #endif /* MAPI_MODE_BRIDGE */
  98
  99 #endif /* asm */