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annotate gcc/config/microblaze/linux.h @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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1 /* Definitions for MicroBlaze running Linux.
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2 Copyright (C) 2009-2018 Free Software Foundation, Inc.
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3
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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4 This file is part of GCC.
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5
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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6 Contributed by Michael Eager <eager@eagercon.com>.
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7
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8 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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9 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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10 the Free Software Foundation; either version 3, or (at your option)
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11 any later version.
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12
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13 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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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 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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16 GNU General Public 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 #undef TARGET_SUPPORTS_PIC
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23 #define TARGET_SUPPORTS_PIC 1
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24
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25 #undef CPP_SPEC
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26 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
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27
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28 #undef TLS_NEEDS_GOT
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29 #define TLS_NEEDS_GOT 1
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30
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31 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
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32 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
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33
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34 #if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */
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35 #define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:;:el}"
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36 #else
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37 #define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:el}"
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38 #endif
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39
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40 #undef MUSL_DYNAMIC_LINKER
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41 #define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1"
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42
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43 #undef SUBTARGET_EXTRA_SPECS
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44 #define SUBTARGET_EXTRA_SPECS \
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45 { "dynamic_linker", GNU_USER_DYNAMIC_LINKER }
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46
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47 #undef LINK_SPEC
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48 #define LINK_SPEC "%{shared:-shared} \
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49 %{!shared: \
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50 %{!static: \
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51 %{rdynamic:-export-dynamic} \
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52 -dynamic-linker %(dynamic_linker)} \
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53 %{static:-static}} \
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54 %{mbig-endian:-EB} \
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55 %{mlittle-endian:-EL}"
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56
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57 /* For the microblaze-*-linux* subtarget. */
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58 #undef TARGET_OS_CPP_BUILTINS
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59 #define TARGET_OS_CPP_BUILTINS() GNU_USER_TARGET_OS_CPP_BUILTINS()
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60
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61 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack