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annotate gcc/config/gnu-user.h @ 68:561a7518be6b

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update gcc-4.6
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Sun, 21 Aug 2011 07:07:55 +0900
parents
children 04ced10e8804
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68
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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1 /* Definitions for systems using, at least optionally, a GNU
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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2 (glibc-based) userspace or other userspace with libc derived from
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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3 glibc (e.g. uClibc) or for which similar specs are appropriate.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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4 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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5 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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6 Contributed by Eric Youngdale.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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7 Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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8
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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9 This file is part of GCC.
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10
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11 GCC is free software; you can redistribute it and/or modify
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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12 it under the terms of the GNU General Public License as published by
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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13 the Free Software Foundation; either version 3, or (at your option)
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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14 any later version.
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15
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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16 GCC is distributed in the hope that it will be useful,
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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17 but WITHOUT ANY WARRANTY; without even the implied warranty of
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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19 GNU General Public License for more details.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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20
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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21 Under Section 7 of GPL version 3, you are granted additional
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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22 permissions described in the GCC Runtime Library Exception, version
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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23 3.1, as published by the Free Software Foundation.
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24
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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25 You should have received a copy of the GNU General Public License and
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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26 a copy of the GCC Runtime Library Exception along with this program;
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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27 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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28 <http://www.gnu.org/licenses/>. */
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29
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30 /* Don't assume anything about the header files. */
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31 #define NO_IMPLICIT_EXTERN_C
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32
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33 #undef ASM_APP_ON
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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34 #define ASM_APP_ON "#APP\n"
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35
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36 #undef ASM_APP_OFF
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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37 #define ASM_APP_OFF "#NO_APP\n"
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38
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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39 /* Provide a STARTFILE_SPEC appropriate for GNU userspace. Here we add
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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40 the GNU userspace magical crtbegin.o file (see crtstuff.c) which
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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41 provides part of the support for getting C++ file-scope static
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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42 object constructed before entering `main'. */
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43
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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44 #if defined HAVE_LD_PIE
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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45 #define GNU_USER_TARGET_STARTFILE_SPEC \
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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46 "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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47 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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48 #else
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49 #define GNU_USER_TARGET_STARTFILE_SPEC \
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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50 "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
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51 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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52 #endif
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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53 #undef STARTFILE_SPEC
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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54 #define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC
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55
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56 /* Provide a ENDFILE_SPEC appropriate for GNU userspace. Here we tack on
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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57 the GNU userspace magical crtend.o file (see crtstuff.c) which
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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58 provides part of the support for getting C++ file-scope static
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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59 object constructed before entering `main', followed by a normal
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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60 GNU userspace "finalizer" file, `crtn.o'. */
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61
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62 #define GNU_USER_TARGET_ENDFILE_SPEC \
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63 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
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64 #undef ENDFILE_SPEC
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65 #define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC
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66
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67 /* This is for -profile to use -lc_p instead of -lc. */
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68 #define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}"
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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69 #ifndef CC1_SPEC
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70 #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
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71 #endif
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72
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73 /* The GNU C++ standard library requires that these macros be defined. */
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74 #undef CPLUSPLUS_CPP_SPEC
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75 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
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76
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77 #define GNU_USER_TARGET_LIB_SPEC \
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78 "%{pthread:-lpthread} \
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79 %{shared:-lc} \
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80 %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
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81 #undef LIB_SPEC
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82 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
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83
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84 #if defined(HAVE_LD_EH_FRAME_HDR)
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85 #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
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86 #endif
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87
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88 #undef LINK_GCC_C_SEQUENCE_SPEC
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89 #define LINK_GCC_C_SEQUENCE_SPEC \
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90 "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
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91
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92 /* Use --as-needed -lgcc_s for eh support. */
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93 #ifdef HAVE_LD_AS_NEEDED
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94 #define USE_LD_AS_NEEDED 1
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95 #endif
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96
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97 #define TARGET_POSIX_IO