Mercurial > hg > CbC > CbC_gcc

annotate gcc/config/arm/linux-eabi.h @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
parents a06113de4d67
children f6334be47118
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1 /* Configuration file for ARM GNU/Linux EABI targets.
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2 Copyright (C) 2004, 2005, 2006, 2007
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3 Free Software Foundation, Inc.
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4 Contributed by CodeSourcery, LLC
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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 /* On EABI GNU/Linux, we want both the BPABI builtins and the
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23 GNU/Linux builtins. */
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24 #undef TARGET_OS_CPP_BUILTINS
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25 #define TARGET_OS_CPP_BUILTINS() \
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26 do \
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27 { \
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28 TARGET_BPABI_CPP_BUILTINS(); \
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29 LINUX_TARGET_OS_CPP_BUILTINS(); \
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30 } \
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31 while (false)
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32
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33 /* We default to a soft-float ABI so that binaries can run on all
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34 target hardware. */
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35 #undef TARGET_DEFAULT_FLOAT_ABI
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36 #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT
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37
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38 /* We default to the "aapcs-linux" ABI so that enums are int-sized by
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39 default. */
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40 #undef ARM_DEFAULT_ABI
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41 #define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX
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42
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43 /* Default to armv5t so that thumb shared libraries work.
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44 The ARM10TDMI core is the default for armv5t, so set
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45 SUBTARGET_CPU_DEFAULT to achieve this. */
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46 #undef SUBTARGET_CPU_DEFAULT
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47 #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
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48
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49 /* TARGET_BIG_ENDIAN_DEFAULT is set in
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50 config.gcc for big endian configurations. */
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51 #undef TARGET_LINKER_EMULATION
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52 #if TARGET_BIG_ENDIAN_DEFAULT
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53 #define TARGET_LINKER_EMULATION "armelfb_linux_eabi"
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54 #else
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55 #define TARGET_LINKER_EMULATION "armelf_linux_eabi"
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56 #endif
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57
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58 #undef SUBTARGET_EXTRA_LINK_SPEC
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59 #define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION
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60
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61 /* Use ld-linux.so.3 so that it will be possible to run "classic"
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62 GNU/Linux binaries on an EABI system. */
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63 #undef GLIBC_DYNAMIC_LINKER
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64 #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3"
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65
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66 /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
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67 use the GNU/Linux version, not the generic BPABI version. */
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68 #undef LINK_SPEC
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69 #define LINK_SPEC LINUX_TARGET_LINK_SPEC BE8_LINK_SPEC
0
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70
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71 /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
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72 do not use -lfloat. */
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73 #undef LIBGCC_SPEC
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74
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75 /* Clear the instruction cache from `beg' to `end'. This is
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76 implemented in lib1funcs.asm, so ensure an error if this definition
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77 is used. */
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78 #undef CLEAR_INSN_CACHE
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79 #define CLEAR_INSN_CACHE(BEG, END) not_used