1/* Glibc support needed only by D front-end.
2   Copyright (C) 2017-2020 Free Software Foundation, Inc.
3
4GCC is free software; you can redistribute it and/or modify it under
5the terms of the GNU General Public License as published by the Free
6Software Foundation; either version 3, or (at your option) any later
7version.
8
9GCC is distributed in the hope that it will be useful, but WITHOUT ANY
10WARRANTY; without even the implied warranty of MERCHANTABILITY or
11FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12for more details.
13
14You should have received a copy of the GNU General Public License
15along with GCC; see the file COPYING3.  If not see
16<http://www.gnu.org/licenses/>.  */
17
18#include "config.h"
19#include "system.h"
20#include "coretypes.h"
21#include "tm.h"
22#include "memmodel.h"
23#include "tm_p.h"
24#include "d/d-target.h"
25#include "d/d-target-def.h"
26
27/* Implement TARGET_D_OS_VERSIONS for Glibc targets.  */
28
29static void
30glibc_d_os_builtins (void)
31{
32  d_add_builtin_version ("Posix");
33
34#define builtin_version(TXT) d_add_builtin_version (TXT)
35
36#ifdef GNU_USER_TARGET_D_OS_VERSIONS
37  GNU_USER_TARGET_D_OS_VERSIONS ();
38#endif
39
40#ifdef EXTRA_TARGET_D_OS_VERSIONS
41  EXTRA_TARGET_D_OS_VERSIONS ();
42#endif
43}
44
45/* Implement TARGET_D_CRITSEC_SIZE for Glibc targets.  */
46
47static unsigned
48glibc_d_critsec_size (void)
49{
50  /* This is the sizeof pthread_mutex_t.  */
51#ifdef GNU_USER_TARGET_D_CRITSEC_SIZE
52  return GNU_USER_TARGET_D_CRITSEC_SIZE;
53#else
54  return (POINTER_SIZE == 64) ? 40 : 24;
55#endif
56}
57
58#undef TARGET_D_OS_VERSIONS
59#define TARGET_D_OS_VERSIONS glibc_d_os_builtins
60
61#undef TARGET_D_CRITSEC_SIZE
62#define TARGET_D_CRITSEC_SIZE glibc_d_critsec_size
63
64struct gcc_targetdm targetdm = TARGETDM_INITIALIZER;
65