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__) && UTIL_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 *
entry_current_get(void)65 entry_current_get(void)
66 {
67 #ifdef MAPI_MODE_BRIDGE
68 return GET_DISPATCH();
69 #else
70 return u_current_get_table_internal();
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
entry_patch_public(void)83 entry_patch_public(void)
84 {
85 }
86
87 mapi_func
entry_get_public(int slot)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
entry_generate(int slot)95 entry_generate(int slot)
96 {
97 return NULL;
98 }
99
100 void
entry_patch(mapi_func entry,int slot)101 entry_patch(mapi_func entry, int slot)
102 {
103 }
104
105 #endif /* MAPI_MODE_BRIDGE */
106
107 #endif /* asm */
108