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 <stdlib.h>
  29 #include <stdint.h>
  30
  31 #include "entry.h"
  32 #include "u_current.h"
  33 #include "util/u_endian.h"
  34
  35 #define _U_STRINGIFY(x) #x
  36 #define U_STRINGIFY(x) _U_STRINGIFY(x)
  37
  38 /* define macros for use by assembly dispatchers */
  39 #define ENTRY_CURRENT_TABLE U_STRINGIFY(u_current_table)
  40
  41 /* in bridge mode, mapi is a user of glapi */
  42 #ifdef MAPI_MODE_BRIDGE
  43 #define ENTRY_CURRENT_TABLE_GET "_glapi_get_dispatch"
  44 #else
  45 #define ENTRY_CURRENT_TABLE_GET U_STRINGIFY(u_current_get_table_internal)
  46 #endif
  47
  48 #if defined(USE_X86_ASM) && defined(__GNUC__)
  49 #   ifdef USE_ELF_TLS
  50 #      include "entry_x86_tls.h"
  51 #   else
  52 #      include "entry_x86_tsd.h"
  53 #   endif
  54 #elif defined(USE_X86_64_ASM) && defined(__GNUC__) && defined(USE_ELF_TLS)
  55 #   include "entry_x86-64_tls.h"
  56 #elif defined(USE_PPC64LE_ASM) && defined(__GNUC__) && defined(PIPE_ARCH_LITTLE_ENDIAN)
  57 #   ifdef USE_ELF_TLS
  58 #      include "entry_ppc64le_tls.h"
  59 #   else
  60 #      include "entry_ppc64le_tsd.h"
  61 #   endif
  62 #else
  63
  64 static inline const struct _glapi_table *
  65 entry_current_get(void)
  66 {
  67 #ifdef MAPI_MODE_BRIDGE
  68    return GET_DISPATCH();
  69 #else
  70    return u_current_get_table();
  71 #endif
  72 }
  73
  74 /* C version of the public entries */
  75 #define MAPI_TMP_DEFINES
  76 #define MAPI_TMP_PUBLIC_DECLARES
  77 #define MAPI_TMP_PUBLIC_ENTRIES
  78 #include "mapi_tmp.h"
  79
  80 #ifndef MAPI_MODE_BRIDGE
  81
  82 void
  83 entry_patch_public(void)
  84 {
  85 }
  86
  87 mapi_func
  88 entry_get_public(int slot)
  89 {
  90    /* pubic_entries are defined by MAPI_TMP_PUBLIC_ENTRIES */
  91    return public_entries[slot];
  92 }
  93
  94 mapi_func
  95 entry_generate(int slot)
  96 {
  97    return NULL;
  98 }
  99
 100 void
 101 entry_patch(mapi_func entry, int slot)
 102 {
 103 }
 104
 105 #endif /* MAPI_MODE_BRIDGE */
 106
 107 #endif /* asm */