1 /* Subroutines for the D front end on the x86 architecture.
2 Copyright (C) 2017-2021 Free Software Foundation, Inc.
3
4 GCC is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3, or (at your option)
7 any later version.
8
9 GCC is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with GCC; see the file COPYING3. If not see
16 <http://www.gnu.org/licenses/>. */
17
18 #define IN_TARGET_CODE 1
19
20 #include "config.h"
21 #include "system.h"
22 #include "coretypes.h"
23 #include "tm.h"
24 #include "d/d-target.h"
25 #include "d/d-target-def.h"
26
27 /* Implement TARGET_D_CPU_VERSIONS for x86 targets. */
28
29 void
ix86_d_target_versions(void)30 ix86_d_target_versions (void)
31 {
32 if (TARGET_64BIT)
33 {
34 d_add_builtin_version ("X86_64");
35
36 if (TARGET_X32)
37 d_add_builtin_version ("D_X32");
38 }
39 else
40 d_add_builtin_version ("X86");
41
42 if (TARGET_80387)
43 d_add_builtin_version ("D_HardFloat");
44 else
45 d_add_builtin_version ("D_SoftFloat");
46 }
47
48 /* Handle a call to `__traits(getTargetInfo, "floatAbi")'. */
49
50 static tree
ix86_d_handle_target_float_abi(void)51 ix86_d_handle_target_float_abi (void)
52 {
53 const char *abi;
54
55 if (! (TARGET_80387 || TARGET_FLOAT_RETURNS_IN_80387))
56 abi = "soft";
57 else
58 abi = "hard";
59
60 return build_string_literal (strlen (abi) + 1, abi);
61 }
62
63 /* Handle a call to `__traits(getTargetInfo, "objectFormat")'. */
64
65 static tree
ix86_d_handle_target_object_format(void)66 ix86_d_handle_target_object_format (void)
67 {
68 const char *objfmt = NULL;
69
70 if (TARGET_MACHO)
71 objfmt = "macho";
72 else if (TARGET_COFF || TARGET_PECOFF)
73 objfmt = "coff";
74
75 if (objfmt == NULL)
76 return NULL_TREE;
77
78 return build_string_literal (strlen (objfmt) + 1, objfmt);
79 }
80
81 /* Implement TARGET_D_REGISTER_CPU_TARGET_INFO. */
82
83 void
ix86_d_register_target_info(void)84 ix86_d_register_target_info (void)
85 {
86 const struct d_target_info_spec handlers[] = {
87 { "floatAbi", ix86_d_handle_target_float_abi },
88 { "objectFormat", ix86_d_handle_target_object_format },
89 { NULL, NULL },
90 };
91
92 d_add_target_info_handlers (handlers);
93 }
94
95 /* Implement TARGET_D_HAS_STDCALL_CONVENTION for x86 targets. */
96
97 bool
ix86_d_has_stdcall_convention(unsigned int * link_system,unsigned int * link_windows)98 ix86_d_has_stdcall_convention (unsigned int *link_system,
99 unsigned int *link_windows)
100 {
101 if (ix86_abi == MS_ABI)
102 {
103 *link_system = 1;
104 *link_windows = (!TARGET_64BIT) ? 1 : 0;
105 }
106 else
107 {
108 *link_system = 0;
109 *link_windows = 0;
110 }
111
112 return true;
113 }
114