Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/mips/gnu-user.h @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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68:561a7518be6b | 111:04ced10e8804 |
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1 /* Definitions for MIPS systems using GNU userspace. | |
2 Copyright (C) 1998-2017 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 | |
7 it under the terms of the GNU General Public License as published by | |
8 the Free Software Foundation; either version 3, or (at your option) | |
9 any later version. | |
10 | |
11 GCC is distributed in the hope that it will be useful, | |
12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 GNU General Public License for more details. | |
15 | |
16 You should have received a copy of the GNU General Public License | |
17 along with GCC; see the file COPYING3. If not see | |
18 <http://www.gnu.org/licenses/>. */ | |
19 | |
20 #undef WCHAR_TYPE | |
21 #define WCHAR_TYPE "int" | |
22 | |
23 #undef WCHAR_TYPE_SIZE | |
24 #define WCHAR_TYPE_SIZE 32 | |
25 | |
26 #undef ASM_DECLARE_OBJECT_NAME | |
27 #define ASM_DECLARE_OBJECT_NAME mips_declare_object_name | |
28 | |
29 /* If we don't set MASK_ABICALLS, we can't default to PIC. */ | |
30 #undef TARGET_DEFAULT | |
31 #define TARGET_DEFAULT MASK_ABICALLS | |
32 | |
33 #define TARGET_OS_CPP_BUILTINS() \ | |
34 do { \ | |
35 GNU_USER_TARGET_OS_CPP_BUILTINS(); \ | |
36 /* The GNU C++ standard library requires this. */ \ | |
37 if (c_dialect_cxx ()) \ | |
38 builtin_define ("_GNU_SOURCE"); \ | |
39 } while (0) | |
40 | |
41 #undef SUBTARGET_CPP_SPEC | |
42 #define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" | |
43 | |
44 /* A standard GNU/Linux mapping. On most targets, it is included in | |
45 CC1_SPEC itself by config/linux.h, but mips.h overrides CC1_SPEC | |
46 and provides this hook instead. */ | |
47 #undef SUBTARGET_CC1_SPEC | |
48 #define SUBTARGET_CC1_SPEC GNU_USER_TARGET_CC1_SPEC | |
49 | |
50 /* -G is incompatible with -KPIC which is the default, so only allow objects | |
51 in the small data section if the user explicitly asks for it. */ | |
52 #undef MIPS_DEFAULT_GVALUE | |
53 #define MIPS_DEFAULT_GVALUE 0 | |
54 | |
55 #undef GNU_USER_TARGET_LINK_SPEC | |
56 #define GNU_USER_TARGET_LINK_SPEC "\ | |
57 %{G*} %{EB} %{EL} %{mips*} %{shared} \ | |
58 %{!shared: \ | |
59 %{!static: \ | |
60 %{rdynamic:-export-dynamic} \ | |
61 %{mabi=n32: -dynamic-linker " GNU_USER_DYNAMIC_LINKERN32 "} \ | |
62 %{mabi=64: -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ | |
63 %{mabi=32: -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \ | |
64 %{static}} \ | |
65 %{mabi=n32:-m" GNU_USER_LINK_EMULATIONN32 "} \ | |
66 %{mabi=64:-m" GNU_USER_LINK_EMULATION64 "} \ | |
67 %{mabi=32:-m" GNU_USER_LINK_EMULATION32 "}" | |
68 | |
69 #undef LINK_SPEC | |
70 #define LINK_SPEC GNU_USER_TARGET_LINK_SPEC | |
71 | |
72 #undef SUBTARGET_ASM_SPEC | |
73 #define SUBTARGET_ASM_SPEC \ | |
74 "%{!mno-abicalls:%{mplt:-call_nonpic;:-KPIC}}" | |
75 | |
76 /* The MIPS assembler has different syntax for .set. We set it to | |
77 .dummy to trap any errors. */ | |
78 #undef SET_ASM_OP | |
79 #define SET_ASM_OP "\t.dummy\t" | |
80 | |
81 #undef ASM_OUTPUT_DEF | |
82 #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ | |
83 do { \ | |
84 fputc ( '\t', FILE); \ | |
85 assemble_name (FILE, LABEL1); \ | |
86 fputs ( " = ", FILE); \ | |
87 assemble_name (FILE, LABEL2); \ | |
88 fputc ( '\n', FILE); \ | |
89 } while (0) | |
90 | |
91 /* The glibc _mcount stub will save $v0 for us. Don't mess with saving | |
92 it, since ASM_OUTPUT_REG_PUSH/ASM_OUTPUT_REG_POP do not work in the | |
93 presence of $gp-relative calls. */ | |
94 #undef ASM_OUTPUT_REG_PUSH | |
95 #undef ASM_OUTPUT_REG_POP | |
96 | |
97 #undef LIB_SPEC | |
98 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC | |
99 | |
100 #ifdef HAVE_AS_NO_SHARED | |
101 /* Default to -mno-shared for non-PIC. */ | |
102 # define NO_SHARED_SPECS \ | |
103 " %{mshared|mno-shared:;:%{" NO_FPIE_AND_FPIC_SPEC ":-mno-shared}}" | |
104 #else | |
105 # define NO_SHARED_SPECS "" | |
106 #endif | |
107 | |
108 /* -march=native handling only makes sense with compiler running on | |
109 a MIPS chip. */ | |
110 #if defined(__mips__) | |
111 extern const char *host_detect_local_cpu (int argc, const char **argv); | |
112 # define EXTRA_SPEC_FUNCTIONS \ | |
113 { "local_cpu_detect", host_detect_local_cpu }, | |
114 | |
115 # define MARCH_MTUNE_NATIVE_SPECS \ | |
116 " %{march=native:%<march=native %:local_cpu_detect(arch)}" \ | |
117 " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" | |
118 #else | |
119 # define MARCH_MTUNE_NATIVE_SPECS "" | |
120 #endif | |
121 | |
122 #define LINUX_DRIVER_SELF_SPECS \ | |
123 NO_SHARED_SPECS \ | |
124 MARCH_MTUNE_NATIVE_SPECS, \ | |
125 /* -mplt has no effect without -mno-shared. Simplify later \ | |
126 specs handling by removing a redundant option. */ \ | |
127 "%{!mno-shared:%<mplt}", \ | |
128 /* -mplt likewise has no effect for -mabi=64 without -msym32. */ \ | |
129 "%{mabi=64:%{!msym32:%<mplt}}", \ | |
130 "%{!EB:%{!EL:%(endian_spec)}}", \ | |
131 "%{!mabi=*: -" MULTILIB_ABI_DEFAULT "}" | |
132 | |
133 #undef DRIVER_SELF_SPECS | |
134 #define DRIVER_SELF_SPECS \ | |
135 MIPS_ISA_LEVEL_SPEC, \ | |
136 BASE_DRIVER_SELF_SPECS, \ | |
137 LINUX_DRIVER_SELF_SPECS | |
138 | |
139 /* Similar to standard Linux, but adding -ffast-math support. */ | |
140 #undef GNU_USER_TARGET_MATHFILE_SPEC | |
141 #define GNU_USER_TARGET_MATHFILE_SPEC \ | |
142 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" | |
143 #undef ENDFILE_SPEC | |
144 #define ENDFILE_SPEC \ | |
145 GNU_USER_TARGET_MATHFILE_SPEC " " \ | |
146 GNU_USER_TARGET_ENDFILE_SPEC | |
147 | |
148 #undef LOCAL_LABEL_PREFIX | |
149 #define LOCAL_LABEL_PREFIX (TARGET_OLDABI ? "$" : ".") |