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annotate gcc/config/frv/linux.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 a06113de4d67
children 04ced10e8804
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1 /* Target macros for the FRV Linux port of GCC.
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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2 Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2010
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3 Free Software Foundation, Inc.
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4 Contributed by Red Hat Inc.
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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 #ifndef __FRV_LINUX_H__
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23 #define __FRV_LINUX_H__
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24
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25 #undef SUBTARGET_DRIVER_SELF_SPECS
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26 #define SUBTARGET_DRIVER_SELF_SPECS \
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27 "%{!mno-fdpic:-mfdpic}",
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29 #undef STARTFILE_SPEC
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30 #define STARTFILE_SPEC \
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31 "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
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32 crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
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33
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34 #undef ENDFILE_SPEC
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35 #define ENDFILE_SPEC \
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36 "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
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38 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
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40 #undef LINK_SPEC
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41 #define LINK_SPEC "\
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42 %{mfdpic: -m elf32frvfd -z text} %{shared} %{pie} \
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43 %{!shared: %{!static: \
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44 %{rdynamic:-export-dynamic} \
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45 -dynamic-linker " LINUX_DYNAMIC_LINKER "} \
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46 %{static}}"
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47
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48 /* Support for compile-time default CPU. */
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49 #define OPTION_DEFAULT_SPECS \
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50 {"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }
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51
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52 /* Define OS-specific predefined preprocessor macros. */
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53 #define TARGET_OS_CPP_BUILTINS() \
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54 do { \
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55 builtin_define ("__gnu_linux__"); \
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56 builtin_define_std ("linux"); \
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57 builtin_define_std ("unix"); \
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58 builtin_assert ("system=linux"); \
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59 } while (0)
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60
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61 #define HAS_INIT_SECTION 1
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62 #define INIT_SECTION_ASM_OP "\t.section .init,\"ax\""
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63 #define FINI_SECTION_ASM_OP "\t.section .fini,\"ax\""
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65 #define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
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66 asm (SECTION_OP); \
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67 asm ("ldi.p @(fp,4), gr15 ! call " #FUNC); \
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68 asm (TEXT_SECTION_ASM_OP);
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69
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70 #undef INVOKE__main
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71
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72 #undef Twrite
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73 #define Twrite __write
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75 #endif /* __FRV_LINUX_H__ */