gcc/config/arm/semi.h

   1 /* Definitions of target machine for GNU compiler.  ARM on semi-hosted platform
   2    Copyright (C) 1994, 1995, 1996, 1997, 2001, 2004, 2005
   3    Free Software Foundation, Inc.
   4    Contributed by Richard Earnshaw (richard.earnshaw@arm.com)
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 2, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING.  If not, write to
  20    the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  21    Boston, MA 02110-1301, USA.  */
  22
  23 #define STARTFILE_SPEC  "crt0.o%s"
  24
  25 #ifndef LIB_SPEC
  26 #define LIB_SPEC "-lc"
  27 #endif
  28
  29 #ifndef SUBTARGET_CPP_SPEC
  30 #define SUBTARGET_CPP_SPEC "-D__semi__"
  31 #endif
  32
  33 #ifndef LINK_SPEC
  34 #define LINK_SPEC "%{mbig-endian:-EB} -X"
  35 #endif
  36
  37 #ifndef TARGET_VERSION
  38 #define TARGET_VERSION fputs (" (ARM/semi-hosted)", stderr);
  39 #endif
  40
  41 #ifndef TARGET_DEFAULT_FLOAT_ABI
  42 #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD
  43 #endif
  44
  45 #ifndef TARGET_DEFAULT
  46 #define TARGET_DEFAULT (MASK_APCS_FRAME)
  47 #endif
  48
  49 #ifndef SUBTARGET_EXTRA_SPECS
  50 #define SUBTARGET_EXTRA_SPECS \
  51   { "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC },
  52 #endif
  53
  54 #ifndef SUBTARGET_EXTRA_ASM_SPEC
  55 #define SUBTARGET_EXTRA_ASM_SPEC ""
  56 #endif
  57
  58 /* The compiler supports PIC code generation, even though the binutils
  59    may not.  If we are asked to compile position independent code, we
  60    always pass -k to the assembler.  If it doesn't recognize it, then
  61    it will barf, which probably means that it doesn't know how to
  62    assemble PIC code.  This is what we want, since otherwise tools
  63    may incorrectly assume we support PIC compilation even if the
  64    binutils can't.  */
  65 #ifndef ASM_SPEC
  66 #define ASM_SPEC "\
  67 %{fpic|fpie: -k} %{fPIC|fPIE: -k} \
  68 %{mbig-endian:-EB} \
  69 %{mcpu=*:-mcpu=%*} \
  70 %{march=*:-march=%*} \
  71 %{mapcs-float:-mfloat} \
  72 %{msoft-float:-mfloat-abi=soft} %{mhard-float:-mfloat-abi=hard} \
  73 %{mfloat-abi=*} %{mfpu=*} \
  74 %{mthumb-interwork:-mthumb-interwork} \
  75 %(subtarget_extra_asm_spec)"
  76 #endif