Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sparc/linux.h @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
rev | line source |
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0 | 1 /* Definitions for SPARC running Linux-based GNU systems with ELF. |
131 | 2 Copyright (C) 1996-2018 Free Software Foundation, Inc. |
0 | 3 Contributed by Eddie C. Dost (ecd@skynet.be) |
4 | |
5 This file is part of GCC. | |
6 | |
7 GCC is free software; you can redistribute it and/or modify | |
8 it under the terms of the GNU General Public License as published by | |
9 the Free Software Foundation; either version 3, or (at your option) | |
10 any later version. | |
11 | |
12 GCC is distributed in the hope that it will be useful, | |
13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 GNU General Public License for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
18 along with GCC; see the file COPYING3. If not see | |
19 <http://www.gnu.org/licenses/>. */ | |
20 | |
21 #define TARGET_OS_CPP_BUILTINS() \ | |
22 do \ | |
23 { \ | |
111 | 24 GNU_USER_TARGET_OS_CPP_BUILTINS(); \ |
0 | 25 if (TARGET_LONG_DOUBLE_128) \ |
26 builtin_define ("__LONG_DOUBLE_128__"); \ | |
27 } \ | |
28 while (0) | |
29 | |
30 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on | |
31 the GNU/Linux magical crtend.o file (see crtstuff.c) which | |
32 provides part of the support for getting C++ file-scope static | |
33 object constructed before entering `main', followed by a normal | |
34 GNU/Linux "finalizer" file, `crtn.o'. */ | |
35 | |
36 #undef ENDFILE_SPEC | |
37 #define ENDFILE_SPEC \ | |
38 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\ | |
111 | 39 %{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" |
40 | |
41 /* -mcpu=native handling only makes sense with compiler running on | |
42 a SPARC chip. */ | |
43 #if defined(__sparc__) && defined(__linux__) | |
44 extern const char *host_detect_local_cpu (int argc, const char **argv); | |
45 # define EXTRA_SPEC_FUNCTIONS \ | |
46 { "local_cpu_detect", host_detect_local_cpu }, | |
47 | |
48 # define MCPU_MTUNE_NATIVE_SPECS \ | |
49 " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \ | |
50 " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" | |
51 #else | |
52 # define MCPU_MTUNE_NATIVE_SPECS "" | |
53 #endif | |
54 | |
55 #define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS | |
0 | 56 |
57 /* This is for -profile to use -lc_p instead of -lc. */ | |
58 #undef CC1_SPEC | |
59 #define CC1_SPEC "%{profile:-p} \ | |
60 " | |
61 | |
62 #undef SIZE_TYPE | |
63 #define SIZE_TYPE "unsigned int" | |
64 | |
65 #undef PTRDIFF_TYPE | |
66 #define PTRDIFF_TYPE "int" | |
67 | |
68 #undef WCHAR_TYPE | |
69 #define WCHAR_TYPE "int" | |
70 | |
71 #undef WCHAR_TYPE_SIZE | |
72 #define WCHAR_TYPE_SIZE 32 | |
73 | |
74 #undef CPP_SUBTARGET_SPEC | |
75 #define CPP_SUBTARGET_SPEC \ | |
76 "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" | |
77 | |
78 /* Provide a LINK_SPEC appropriate for GNU/Linux. Here we provide support | |
79 for the special GCC options -static and -shared, which allow us to | |
80 link things in one of these three modes by applying the appropriate | |
67
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81 combinations of options at link-time. |
0 | 82 |
83 When the -shared link option is used a final link is not being | |
84 done. */ | |
85 | |
86 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" | |
87 | |
88 #undef LINK_SPEC | |
111 | 89 #define LINK_SPEC "-m elf32_sparc %{shared:-shared} \ |
0 | 90 %{!mno-relax:%{!r:-relax}} \ |
91 %{!shared: \ | |
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92 %{!static: \ |
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93 %{rdynamic:-export-dynamic} \ |
111 | 94 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ |
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95 %{static:-static}}" |
0 | 96 |
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97 /* It's safe to pass -s always, even if -g is not used. */ |
0 | 98 #undef ASM_SPEC |
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99 #define ASM_SPEC "\ |
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100 -s \ |
111 | 101 %{" FPIE_OR_FPIC_SPEC ":-K PIC} \ |
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102 %{!.c:%{findirect-dispatch:-K PIC}} \ |
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103 %(asm_cpu) %(asm_relax)" |
0 | 104 |
105 #undef ASM_OUTPUT_ALIGNED_LOCAL | |
106 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ | |
107 do { \ | |
108 fputs ("\t.local\t", (FILE)); \ | |
109 assemble_name ((FILE), (NAME)); \ | |
110 putc ('\n', (FILE)); \ | |
111 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ | |
112 } while (0) | |
113 | |
114 #undef COMMON_ASM_OP | |
115 #define COMMON_ASM_OP "\t.common\t" | |
116 | |
117 #undef LOCAL_LABEL_PREFIX | |
118 #define LOCAL_LABEL_PREFIX "." | |
119 | |
120 | |
121 /* Define for support of TFmode long double. | |
122 SPARC ABI says that long double is 4 words. */ | |
123 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) | |
124 | |
125 #undef DITF_CONVERSION_LIBFUNCS | |
126 #define DITF_CONVERSION_LIBFUNCS 1 | |
127 | |
128 #ifdef HAVE_AS_TLS | |
129 #undef TARGET_SUN_TLS | |
130 #undef TARGET_GNU_TLS | |
131 #define TARGET_SUN_TLS 0 | |
132 #define TARGET_GNU_TLS 1 | |
133 #endif | |
134 | |
135 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */ | |
136 #undef CTORS_SECTION_ASM_OP | |
137 #undef DTORS_SECTION_ASM_OP | |
138 | |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
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139 /* Static stack checking is supported by means of probes. */ |
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parents:
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140 #define STACK_CHECK_STATIC_BUILTIN 1 |
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parents:
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141 |
0 | 142 #undef NEED_INDICATE_EXEC_STACK |
143 #define NEED_INDICATE_EXEC_STACK 1 | |
144 | |
145 #ifdef TARGET_LIBC_PROVIDES_SSP | |
146 /* sparc glibc provides __stack_chk_guard in [%g7 + 0x14]. */ | |
147 #define TARGET_THREAD_SSP_OFFSET 0x14 | |
148 #endif | |
149 | |
150 /* Define if long doubles should be mangled as 'g'. */ | |
151 #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING | |
152 | |
153 /* We use glibc _mcount for profiling. */ | |
154 #undef NO_PROFILE_COUNTERS | |
155 #define NO_PROFILE_COUNTERS 1 |