1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/* Definitions of target machine for GNU compiler, for MIPS NetBSD systems.
Copyright (C) 1993-2020 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* Define default target values. */
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
NETBSD_OS_CPP_BUILTINS_ELF(); \
builtin_define ("__NO_LEADING_UNDERSCORES__"); \
builtin_define ("__GP_SUPPORT__"); \
if (TARGET_LONG64) \
builtin_define ("__LONG64"); \
\
if (TARGET_ABICALLS) \
builtin_define ("__ABICALLS__"); \
\
if (mips_abi == ABI_32) \
builtin_define ("__mips_o32"); \
else if (mips_abi == ABI_EABI) \
builtin_define ("__mips_eabi"); \
else if (mips_abi == ABI_N32) \
builtin_define ("__mips_n32"); \
else if (mips_abi == ABI_64) \
builtin_define ("__mips_n64"); \
else if (mips_abi == ABI_O64) \
builtin_define ("__mips_o64"); \
} \
while (0)
/* The generic MIPS TARGET_CPU_CPP_BUILTINS are incorrect for NetBSD.
Specifically, they define too many namespace-invasive macros. Override
them here. Note this is structured for easy comparison to the version
in mips.h.
FIXME: This probably isn't the best solution. But in the absence
of something better, it will have to do, for now. */
#undef TARGET_CPU_CPP_BUILTINS
#define TARGET_CPU_CPP_BUILTINS() \
do \
{ \
builtin_assert ("cpu=mips"); \
builtin_define ("__mips__"); \
builtin_define ("_mips"); \
\
/* No _R3000 or _R4000. */ \
if (TARGET_64BIT) \
builtin_define ("__mips64"); \
\
if (TARGET_FLOAT64) \
builtin_define ("__mips_fpr=64"); \
else \
builtin_define ("__mips_fpr=32"); \
\
if (TARGET_MIPS16) \
builtin_define ("__mips16"); \
\
MIPS_CPP_SET_PROCESSOR ("_MIPS_ARCH", mips_arch_info); \
MIPS_CPP_SET_PROCESSOR ("_MIPS_TUNE", mips_tune_info); \
\
if (ISA_MIPS1) \
builtin_define ("__mips=1"); \
else if (ISA_MIPS2) \
builtin_define ("__mips=2"); \
else if (ISA_MIPS3) \
builtin_define ("__mips=3"); \
else if (ISA_MIPS4) \
builtin_define ("__mips=4"); \
else if (mips_isa >= 32 && mips_isa < 64) \
builtin_define ("__mips=32"); \
else if (mips_isa >= 64) \
builtin_define ("__mips=64"); \
if (mips_isa_rev > 0) \
builtin_define_with_int_value ("__mips_isa_rev", \
mips_isa_rev); \
\
if (TARGET_HARD_FLOAT) \
builtin_define ("__mips_hard_float"); \
else if (TARGET_SOFT_FLOAT) \
builtin_define ("__mips_soft_float"); \
\
if (TARGET_SINGLE_FLOAT) \
builtin_define ("__mips_single_float"); \
\
if (TARGET_BIG_ENDIAN) \
builtin_define ("__MIPSEB__"); \
else \
builtin_define ("__MIPSEL__"); \
\
/* No language dialect defines. */ \
\
/* ABIs handled in TARGET_OS_CPP_BUILTINS. */ \
} \
while (0)
/* Extra specs we need. */
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
{ "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
{ "netbsd_entry_point", NETBSD_ENTRY_POINT },
/* Provide a SUBTARGET_CPP_SPEC appropriate for NetBSD. */
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC "%(netbsd_cpp_spec)"
/* Provide a LINK_SPEC appropriate for a NetBSD/mips target.
This is a copy of LINK_SPEC from <netbsd-elf.h> tweaked for
the MIPS target. */
#undef LINK_SPEC
#define LINK_SPEC \
"%{EL:-m elf32lmip} \
%{EB:-m elf32bmip} \
%(endian_spec) \
%{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips32r2} \
%{mips32r6} %{mips64} %{mips64r6} \
%(netbsd_link_spec)"
#define NETBSD_ENTRY_POINT "__start"
#undef SUBTARGET_ASM_SPEC
#define SUBTARGET_ASM_SPEC \
"%{!mno-abicalls: \
%{!fno-PIC:%{!fno-pic:-KPIC}}}"
/* -G is incompatible with -KPIC which is the default, so only allow objects
in the small data section if the user explicitly asks for it. */
#undef MIPS_DEFAULT_GVALUE
#define MIPS_DEFAULT_GVALUE 0
#undef ASM_FINAL_SPEC
#undef SET_ASM_OP
/* NetBSD hasn't historically provided _flush_cache(), but rather
_cacheflush(), which takes the same arguments as the former. */
#undef CACHE_FLUSH_FUNC
#define CACHE_FLUSH_FUNC "_cacheflush"
/* Make gcc agree with <machine/ansi.h> */
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
#undef WINT_TYPE
#define WINT_TYPE "int"
|
