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annotate gcc/config/lm32/uclinux-elf.h @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents 77e2b8dfacca
children 04ced10e8804
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1 /* Definitions for LM32 running Linux-based GNU systems using ELF
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2 Copyright (C) 1993, 1994, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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3 2009, 2010, 2011 Free Software Foundation, Inc.
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4 Contributed by Philip Blundell <philb@gnu.org>
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published
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10 by the Free Software Foundation; either version 3, or (at your
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11 option) any later version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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16 License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 /* elfos.h should have already been included. Now just override
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23 any conflicting definitions and add any extras. */
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24
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25 /* Run-time Target Specification. */
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26 #undef TARGET_VERSION
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27 #define TARGET_VERSION fputs (" (LM32 GNU/Linux with ELF)", stderr);
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28
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29 /* Do not assume anything about header files. */
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30 #undef NO_IMPLICIT_EXTERN_C
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31 #define NO_IMPLICIT_EXTERN_C
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32
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33 /* The GNU C++ standard library requires that these macros be defined. */
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34 #undef CPLUSPLUS_CPP_SPEC
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35 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
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36
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37 /* Now we define the strings used to build the spec file. */
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38 #undef LIB_SPEC
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39 #define LIB_SPEC \
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40 "%{pthread:-lpthread} \
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41 %{shared:-lc} \
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42 %{!shared:-lc} "
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43
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44 #define LIBGCC_SPEC "-lgcc"
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45
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46 /* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add
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47 the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
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48 provides part of the support for getting C++ file-scope static
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49 object constructed before entering `main'. */
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50
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51 #undef STARTFILE_SPEC
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52 #define STARTFILE_SPEC \
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53 "%{!shared: \
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54 %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
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55 %{!p:%{profile:gcrt1.o%s} \
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56 %{!profile:crt1.o%s}}}} \
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57 crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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58
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59 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
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60 the GNU/Linux magical crtend.o file (see crtstuff.c) which
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61 provides part of the support for getting C++ file-scope static
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62 object constructed before entering `main', followed by a normal
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63 GNU/Linux "finalizer" file, `crtn.o'. */
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64
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65 #undef ENDFILE_SPEC
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66 #define ENDFILE_SPEC \
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67 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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68
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69 #undef LINK_SPEC
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70 #define LINK_SPEC "%{h*} \
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71 %{static:-Bstatic} \
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72 %{shared:-shared} \
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73 %{symbolic:-Bsymbolic} \
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74 %{rdynamic:-export-dynamic} \
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75 -dynamic-linker /lib/ld-linux.so.2"
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76
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77 #define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
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78
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79 #define LINK_GCC_C_SEQUENCE_SPEC \
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80 "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
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81
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82 #undef CC1_SPEC
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83 #define CC1_SPEC "%{G*} %{!fno-PIC:-fPIC}"
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84