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1 /* Definitions for Renesas M32R running Linux-based GNU systems using ELF.
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2 Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published
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8 by the Free Software Foundation; either version 3, or (at your
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9 option) any later version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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14 License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #define LINUX_DEFAULT_ELF
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21
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22 /* A lie, I guess, but the general idea behind linux/ELF is that we are
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23 supposed to be outputting something that will assemble under SVr4.
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24 This gets us pretty close. */
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25
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26 #define HANDLE_SYSV_PRAGMA
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27
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28 #undef HANDLE_PRAGMA_PACK
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29
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30 #undef TARGET_VERSION
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31 #define TARGET_VERSION fprintf (stderr, " (M32R GNU/Linux with ELF)");
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32
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33 #undef SIZE_TYPE
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34 #define SIZE_TYPE "unsigned int"
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35
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36 #undef PTRDIFF_TYPE
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37 #define PTRDIFF_TYPE "int"
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38
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39 #undef WCHAR_TYPE
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40 #define WCHAR_TYPE "long int"
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41
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42 #undef WCHAR_TYPE_SIZE
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43 #define WCHAR_TYPE_SIZE BITS_PER_WORD
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44
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45 /* Provide a LINK_SPEC appropriate for Linux. Here we provide support
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46 for the special GCC options -static and -shared, which allow us to
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47 link things in one of these three modes by applying the appropriate
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48 combinations of options at link-time. We like to support here for
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49 as many of the other GNU linker options as possible. But I don't
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50 have the time to search for those flags. I am sure how to add
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51 support for -soname shared_object_name. H.J.
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52
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53 I took out %{v:%{!V:-V}}. It is too much :-(. They can use
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54 -Wl,-V.
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55
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56 When the -shared link option is used a final link is not being
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57 done. */
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58
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59 /* If ELF is the default format, we should not use /lib/elf. */
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60
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61 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
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62
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63 #undef LINK_SPEC
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64 #if TARGET_LITTLE_ENDIAN
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65 #define LINK_SPEC "%(link_cpu) -m m32rlelf_linux %{shared:-shared} \
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66 %{!shared: \
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67 %{!ibcs: \
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68 %{!static: \
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69 %{rdynamic:-export-dynamic} \
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70 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
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71 %{static:-static}}}"
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72 #else
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73 #define LINK_SPEC "%(link_cpu) -m m32relf_linux %{shared:-shared} \
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74 %{!shared: \
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75 %{!ibcs: \
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76 %{!static: \
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77 %{rdynamic:-export-dynamic} \
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78 %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
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79 %{static:-static}}}"
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80 #endif
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81
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82 #undef LIB_SPEC
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83 #define LIB_SPEC \
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84 "%{pthread:-lpthread} \
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85 %{shared: -lc} \
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86 %{!shared: \
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87 %{mieee-fp:-lieee} \
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88 %{profile:-lc_p} %{!profile: -lc}}"
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89
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90 #undef STARTFILE_SPEC
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91 #if defined HAVE_LD_PIE
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92 #define STARTFILE_SPEC \
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93 "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
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94 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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95 #else
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96 #define STARTFILE_SPEC \
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97 "%{!shared: \
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98 %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\
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99 crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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100 #endif
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101
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102 #undef ENDFILE_SPEC
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103 #define ENDFILE_SPEC \
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104 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
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105
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106 #undef SUBTARGET_CPP_SPEC
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107 #define SUBTARGET_CPP_SPEC "\
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108 %{posix:-D_POSIX_SOURCE} \
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109 %{pthread:-D_REENTRANT -D_PTHREADS} \
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110 "
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111
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112 #define TARGET_OS_CPP_BUILTINS() LINUX_TARGET_OS_CPP_BUILTINS()
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113
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114 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
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