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