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1 | /* Copyright (C) 2017-2020 Free Software Foundation, Inc. | |
2 | ||
3 | This file is free software; you can redistribute it and/or modify it | |
4 | under the terms of the GNU General Public License as published by the | |
5 | Free Software Foundation; either version 3, or (at your option) any | |
6 | later version. | |
7 | ||
8 | This file is distributed in the hope that it will be useful, but | |
9 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | General Public License for more details. | |
12 | ||
13 | Under Section 7 of GPL version 3, you are granted additional | |
14 | permissions described in the GCC Runtime Library Exception, version | |
15 | 3.1, as published by the Free Software Foundation. | |
16 | ||
17 | You should have received a copy of the GNU General Public License and | |
18 | a copy of the GCC Runtime Library Exception along with this program; | |
19 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
20 | <http://www.gnu.org/licenses/>. */ | |
21 | ||
22 | typedef long long size_t; | |
23 | ||
24 | /* Provide an entry point symbol to silence a linker warning. */ | |
25 | void _start() {} | |
26 | ||
27 | #ifdef USE_NEWLIB_INITFINI | |
28 | ||
29 | extern void __libc_init_array (void) __attribute__((weak)); | |
30 | extern void __libc_fini_array (void) __attribute__((weak)); | |
31 | ||
32 | __attribute__((amdgpu_hsa_kernel ())) | |
33 | void _init_array() | |
34 | { | |
35 | __libc_init_array (); | |
36 | } | |
37 | ||
38 | __attribute__((amdgpu_hsa_kernel ())) | |
39 | void _fini_array() | |
40 | { | |
41 | __libc_fini_array (); | |
42 | } | |
43 | ||
44 | #endif | |
45 | ||
46 | /* These magic symbols are provided by the linker. */ | |
47 | extern void (*__preinit_array_start []) (void) __attribute__((weak)); | |
48 | extern void (*__preinit_array_end []) (void) __attribute__((weak)); | |
49 | extern void (*__init_array_start []) (void) __attribute__((weak)); | |
50 | extern void (*__init_array_end []) (void) __attribute__((weak)); | |
51 | extern void (*__fini_array_start []) (void) __attribute__((weak)); | |
52 | extern void (*__fini_array_end []) (void) __attribute__((weak)); | |
53 | ||
54 | __attribute__((amdgpu_hsa_kernel ())) | |
55 | void _init_array() | |
56 | { | |
57 | /* Iterate over all the init routines. */ | |
58 | size_t count; | |
59 | size_t i; | |
60 | ||
61 | count = __preinit_array_end - __preinit_array_start; | |
62 | for (i = 0; i < count; i++) | |
63 | __preinit_array_start[i] (); | |
64 | ||
65 | count = __init_array_end - __init_array_start; | |
66 | for (i = 0; i < count; i++) | |
67 | __init_array_start[i] (); | |
68 | } | |
69 | ||
70 | __attribute__((amdgpu_hsa_kernel ())) | |
71 | void _fini_array() | |
72 | { | |
73 | size_t count; | |
74 | size_t i; | |
75 | ||
76 | count = __fini_array_end - __fini_array_start; | |
77 | for (i = count; i > 0; i--) | |
78 | __fini_array_start[i-1] (); | |
79 | } |