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comparison libgcc/offloadstuff.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 /* Specialized bits of code needed for the offloading tables.
2 Copyright (C) 2014-2017 Free Software Foundation, Inc.
3
4 This file is part of GCC.
5
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
9 version.
10
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
15
16 Under Section 7 of GPL version 3, you are granted additional
17 permissions described in the GCC Runtime Library Exception, version
18 3.1, as published by the Free Software Foundation.
19
20 You should have received a copy of the GNU General Public License and
21 a copy of the GCC Runtime Library Exception along with this program;
22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 <http://www.gnu.org/licenses/>. */
24
25 /* Target machine header files require this define. */
26 #define IN_LIBGCC2
27
28 /* FIXME: Including auto-host is incorrect, but until we have
29 identified the set of defines that need to go into auto-target.h,
30 this will have to do. */
31 #include "auto-host.h"
32 #undef caddr_t
33 #undef pid_t
34 #undef rlim_t
35 #undef ssize_t
36 #undef vfork
37 #include "tconfig.h"
38 #include "tsystem.h"
39 #include "coretypes.h"
40 #include "tm.h"
41 #include "libgcc_tm.h"
42
43 #if defined(HAVE_GAS_HIDDEN) && ENABLE_OFFLOADING == 1
44
45 #define OFFLOAD_FUNC_TABLE_SECTION_NAME ".gnu.offload_funcs"
46 #define OFFLOAD_VAR_TABLE_SECTION_NAME ".gnu.offload_vars"
47
48 #ifdef CRT_BEGIN
49
50 const void *const __offload_func_table[0]
51 __attribute__ ((__used__, visibility ("hidden"),
52 section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { };
53 const void *const __offload_var_table[0]
54 __attribute__ ((__used__, visibility ("hidden"),
55 section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { };
56
57 #elif defined CRT_END
58
59 const void *const __offload_funcs_end[0]
60 __attribute__ ((__used__, visibility ("hidden"),
61 section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { };
62 const void *const __offload_vars_end[0]
63 __attribute__ ((__used__, visibility ("hidden"),
64 section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { };
65
66 #elif defined CRT_TABLE
67
68 extern const void *const __offload_func_table[];
69 extern const void *const __offload_var_table[];
70 extern const void *const __offload_funcs_end[];
71 extern const void *const __offload_vars_end[];
72
73 const void *const __OFFLOAD_TABLE__[]
74 __attribute__ ((__visibility__ ("hidden"))) =
75 {
76 &__offload_func_table, &__offload_funcs_end,
77 &__offload_var_table, &__offload_vars_end
78 };
79
80 #else /* ! CRT_BEGIN && ! CRT_END && ! CRT_TABLE */
81 #error "One of CRT_BEGIN, CRT_END or CRT_TABLE must be defined."
82 #endif
83
84 #endif