Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/alpha/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 of target machine for GNU compiler, |
2 for Alpha Linux-based GNU systems. | |
131 | 3 Copyright (C) 1996-2018 Free Software Foundation, Inc. |
0 | 4 Contributed by Richard Henderson. |
5 | |
6 This file is part of GCC. | |
7 | |
8 GCC is free software; you can redistribute it and/or modify | |
9 it under the terms of the GNU General Public License as published by | |
10 the Free Software Foundation; either version 3, or (at your option) | |
11 any later version. | |
12 | |
13 GCC is distributed in the hope that it will be useful, | |
14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 GNU General Public License for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with GCC; see the file COPYING3. If not see | |
20 <http://www.gnu.org/licenses/>. */ | |
21 | |
22 #define TARGET_OS_CPP_BUILTINS() \ | |
23 do { \ | |
24 builtin_define ("__gnu_linux__"); \ | |
25 builtin_define ("_LONGLONG"); \ | |
26 builtin_define_std ("linux"); \ | |
27 builtin_define_std ("unix"); \ | |
28 builtin_assert ("system=linux"); \ | |
29 builtin_assert ("system=unix"); \ | |
30 builtin_assert ("system=posix"); \ | |
31 /* The GNU C++ standard library requires this. */ \ | |
32 if (c_dialect_cxx ()) \ | |
33 builtin_define ("_GNU_SOURCE"); \ | |
34 } while (0) | |
35 | |
36 #undef LIB_SPEC | |
37 #define LIB_SPEC \ | |
38 "%{pthread:-lpthread} \ | |
39 %{shared:-lc} \ | |
40 %{!shared: %{profile:-lc_p}%{!profile:-lc}}" | |
41 | |
42 #undef CPP_SPEC | |
43 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" | |
44 | |
45 /* Show that we need a GP when profiling. */ | |
46 #undef TARGET_PROFILING_NEEDS_GP | |
47 #define TARGET_PROFILING_NEEDS_GP 1 | |
48 | |
49 /* Don't care about faults in the prologue. */ | |
50 #undef TARGET_CAN_FAULT_IN_PROLOGUE | |
51 #define TARGET_CAN_FAULT_IN_PROLOGUE 1 | |
52 | |
53 /* OS fixes up EV5 data fault on prefetch. */ | |
54 #undef TARGET_FIXUP_EV5_PREFETCH | |
55 #define TARGET_FIXUP_EV5_PREFETCH 1 | |
56 | |
57 #undef WCHAR_TYPE | |
58 #define WCHAR_TYPE "int" | |
59 | |
67
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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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60 #ifdef SINGLE_LIBC |
f6334be47118
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parents:
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changeset
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61 #define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC) |
111 | 62 #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC) |
63 #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC) | |
64 #undef OPTION_MUSL | |
65 #define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL) | |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
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66 #else |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
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changeset
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67 #define OPTION_GLIBC (linux_libc == LIBC_GLIBC) |
111 | 68 #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC) |
69 #define OPTION_BIONIC (linux_libc == LIBC_BIONIC) | |
70 #undef OPTION_MUSL | |
71 #define OPTION_MUSL (linux_libc == LIBC_MUSL) | |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
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72 #endif |
0 | 73 |
111 | 74 /* Determine what functions are present at the runtime; |
75 this includes full c99 runtime and sincos. */ | |
76 #undef TARGET_LIBC_HAS_FUNCTION | |
77 #define TARGET_LIBC_HAS_FUNCTION linux_libc_has_function | |
0 | 78 |
79 #define TARGET_POSIX_IO | |
80 | |
131 | 81 /* Provide a STARTFILE_SPEC appropriate for ELF. Here we add the |
82 (even more) magical crtbegin.o file which provides part of the | |
83 support for getting C++ file-scope static object constructed | |
84 before entering `main'. */ | |
85 | |
86 #undef STARTFILE_SPEC | |
87 #ifdef HAVE_LD_PIE | |
88 #define STARTFILE_SPEC \ | |
89 "%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\ | |
90 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" | |
91 #else | |
92 #define STARTFILE_SPEC \ | |
93 "%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}}\ | |
94 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" | |
95 #endif | |
96 | |
97 /* Provide a ENDFILE_SPEC appropriate for ELF. Here we tack on the | |
98 magical crtend.o file which provides part of the support for | |
99 getting C++ file-scope static object constructed before entering | |
100 `main', followed by a normal ELF "finalizer" file, `crtn.o'. */ | |
101 | |
102 #undef ENDFILE_SPEC | |
103 #define ENDFILE_SPEC \ | |
104 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ | |
105 %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" | |
106 | |
0 | 107 #define LINK_GCC_C_SEQUENCE_SPEC \ |
131 | 108 "%{static|static-pie:--start-group} %G %{!nolibc:%L} \ |
111 | 109 %{static|static-pie:--end-group}%{!static:%{!static-pie:%G}}" |
0 | 110 |
111 /* Use --as-needed -lgcc_s for eh support. */ | |
112 #ifdef HAVE_LD_AS_NEEDED | |
113 #define USE_LD_AS_NEEDED 1 | |
114 #endif | |
115 | |
116 /* Define if long doubles should be mangled as 'g'. */ | |
117 #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING | |
118 | |
119 /* -mcpu=native handling only makes sense with compiler running on | |
120 an Alpha chip. */ | |
121 #if defined(__alpha__) || defined(__alpha) | |
122 extern const char *host_detect_local_cpu (int argc, const char **argv); | |
123 # define EXTRA_SPEC_FUNCTIONS \ | |
124 { "local_cpu_detect", host_detect_local_cpu }, | |
125 | |
126 # define MCPU_MTUNE_NATIVE_SPECS \ | |
127 " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \ | |
128 " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" | |
129 #else | |
130 # define MCPU_MTUNE_NATIVE_SPECS "" | |
131 #endif | |
132 | |
133 #define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS |