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1 /* Xtensa/Elf configuration.
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2 Derived from the configuration for GCC for Intel i386 running Linux.
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3 Copyright (C) 2001, 2003, 2006, 2007 Free Software Foundation, Inc.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it under
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8 the terms of the GNU General Public License as published by the Free
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9 Software Foundation; either version 3, or (at your option) any later
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10 version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #define TARGET_SECTION_TYPE_FLAGS xtensa_multibss_section_type_flags
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22
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23 /* Don't assume anything about the header files. */
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24 #define NO_IMPLICIT_EXTERN_C
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25
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26 #undef ASM_APP_ON
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27 #define ASM_APP_ON "#APP\n"
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28
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29 #undef ASM_APP_OFF
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30 #define ASM_APP_OFF "#NO_APP\n"
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31
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32 #undef MD_EXEC_PREFIX
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33 #undef MD_STARTFILE_PREFIX
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34
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35 #undef TARGET_VERSION
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36 #define TARGET_VERSION fputs (" (Xtensa/ELF)", stderr);
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37
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38 #undef WCHAR_TYPE
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39 #define WCHAR_TYPE "short unsigned int"
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40
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41 #undef WCHAR_TYPE_SIZE
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42 #define WCHAR_TYPE_SIZE 16
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43
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44 #undef ASM_SPEC
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45 #define ASM_SPEC \
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46 "%{v} \
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47 %{mtext-section-literals:--text-section-literals} \
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48 %{mno-text-section-literals:--no-text-section-literals} \
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49 %{mtarget-align:--target-align} \
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50 %{mno-target-align:--no-target-align} \
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51 %{mlongcalls:--longcalls} \
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52 %{mno-longcalls:--no-longcalls}"
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53
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54 #undef LIB_SPEC
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55 #define LIB_SPEC "-lc -lsim -lc -lhandlers-sim -lhal"
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56
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57 #undef STARTFILE_SPEC
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58 #define STARTFILE_SPEC \
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59 "crt1-sim%O%s crt0%O%s crti%O%s crtbegin%O%s _vectors%O%s"
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60
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61 #undef ENDFILE_SPEC
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62 #define ENDFILE_SPEC "crtend%O%s crtn%O%s"
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63
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64 #undef LINK_SPEC
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65 #define LINK_SPEC \
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66 "%{shared:-shared} \
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67 %{!shared: \
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68 %{!static: \
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69 %{rdynamic:-export-dynamic} \
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70 %{static:-static}}}"
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71
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72 #undef LOCAL_LABEL_PREFIX
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73 #define LOCAL_LABEL_PREFIX "."
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74
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75 /* Avoid dots for compatibility with VxWorks. */
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76 #undef NO_DOLLAR_IN_LABEL
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77 #define NO_DOT_IN_LABEL
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78
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79 /* Do not force "-fpic" for this target. */
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80 #define XTENSA_ALWAYS_PIC 0
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81
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82 /* Search for headers in $tooldir/arch/include and for libraries and
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83 startfiles in $tooldir/arch/lib. */
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84 #define GCC_DRIVER_HOST_INITIALIZATION \
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85 do \
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86 { \
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87 char *tooldir, *archdir; \
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88 tooldir = concat (tooldir_base_prefix, spec_machine, \
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89 dir_separator_str, NULL); \
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90 if (!IS_ABSOLUTE_PATH (tooldir)) \
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91 tooldir = concat (standard_exec_prefix, spec_machine, dir_separator_str, \
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92 spec_version, dir_separator_str, tooldir, NULL); \
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93 archdir = concat (tooldir, "arch", dir_separator_str, NULL); \
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94 add_prefix (&startfile_prefixes, \
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95 concat (archdir, "lib", dir_separator_str, NULL), \
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96 "GCC", PREFIX_PRIORITY_LAST, 0, 1); \
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97 add_prefix (&include_prefixes, archdir, \
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98 "GCC", PREFIX_PRIORITY_LAST, 0, 0); \
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99 } \
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100 while (0)
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101
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102 #define HANDLE_PRAGMA_PACK_PUSH_POP 1
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