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1 /* Definitions of target machine for GNU compiler. ARM on semi-hosted platform
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2 Copyright (C) 1994, 1995, 1996, 1997, 2001, 2004, 2005, 2007
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3 Free Software Foundation, Inc.
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4 Contributed by Richard Earnshaw (richard.earnshaw@arm.com)
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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 #define STARTFILE_SPEC "crt0.o%s"
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23
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24 #ifndef LIB_SPEC
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25 #define LIB_SPEC "-lc"
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26 #endif
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27
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28 #ifndef SUBTARGET_CPP_SPEC
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29 #define SUBTARGET_CPP_SPEC "-D__semi__"
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30 #endif
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31
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32 #ifndef LINK_SPEC
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33 #define LINK_SPEC "%{mbig-endian:-EB} -X"
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34 #endif
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35
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36 #ifndef TARGET_VERSION
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37 #define TARGET_VERSION fputs (" (ARM/semi-hosted)", stderr);
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38 #endif
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39
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40 #ifndef TARGET_DEFAULT_FLOAT_ABI
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41 #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD
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42 #endif
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43
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44 #ifndef TARGET_DEFAULT
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45 #define TARGET_DEFAULT (MASK_APCS_FRAME)
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46 #endif
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47
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48 #ifndef SUBTARGET_EXTRA_SPECS
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49 #define SUBTARGET_EXTRA_SPECS \
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50 { "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC },
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51 #endif
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52
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53 #ifndef SUBTARGET_EXTRA_ASM_SPEC
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54 #define SUBTARGET_EXTRA_ASM_SPEC ""
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55 #endif
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56
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57 /* The compiler supports PIC code generation, even though the binutils
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58 may not. If we are asked to compile position independent code, we
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59 always pass -k to the assembler. If it doesn't recognize it, then
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60 it will barf, which probably means that it doesn't know how to
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61 assemble PIC code. This is what we want, since otherwise tools
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62 may incorrectly assume we support PIC compilation even if the
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63 binutils can't. */
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64 #ifndef ASM_SPEC
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65 #define ASM_SPEC "\
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66 %{fpic|fpie: -k} %{fPIC|fPIE: -k} \
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67 %{mbig-endian:-EB} \
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68 %{mcpu=*:-mcpu=%*} \
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69 %{march=*:-march=%*} \
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70 %{mapcs-float:-mfloat} \
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71 %{msoft-float:-mfloat-abi=soft} %{mhard-float:-mfloat-abi=hard} \
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72 %{mfloat-abi=*} %{mfpu=*} \
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73 %{mthumb-interwork:-mthumb-interwork} \
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74 %(subtarget_extra_asm_spec)"
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75 #endif
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