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 Free Software Foundation, Inc.
   3    Contributed by Richard Earnshaw (richard.earnshaw@arm.com)
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published
   9    by the Free Software Foundation; either version 2, or (at your
  10    option) any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING.  If not, write to
  19    the Free Software Foundation, 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #define STARTFILE_SPEC  "crt0.o%s"
  23
  24 #ifndef LIB_SPEC
  25 #define LIB_SPEC "-lc"
  26 #endif
  27
  28 #ifndef SUBTARGET_CPP_SPEC
  29 #define SUBTARGET_CPP_SPEC "-D__semi__"
  30 #endif
  31
  32 #ifndef LINK_SPEC
  33 #define LINK_SPEC "%{mbig-endian:-EB} -X"
  34 #endif
  35
  36 #ifndef TARGET_VERSION
  37 #define TARGET_VERSION fputs (" (ARM/semi-hosted)", stderr);
  38 #endif
  39
  40 #ifndef TARGET_DEFAULT
  41 #define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME)
  42 #endif
  43
  44 #ifndef SUBTARGET_EXTRA_SPECS
  45 #define SUBTARGET_EXTRA_SPECS \
  46   { "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC },
  47 #endif
  48
  49 #ifndef SUBTARGET_EXTRA_ASM_SPEC
  50 #define SUBTARGET_EXTRA_ASM_SPEC ""
  51 #endif
  52
  53 /* The compiler supports PIC code generation, even though the binutils
  54    may not.  If we are asked to compile position independent code, we
  55    always pass -k to the assembler.  If it doesn't recognize it, then
  56    it will barf, which probably means that it doesn't know how to
  57    assemble PIC code.  This is what we want, since otherwise tools
  58    may incorrectly assume we support PIC compilation even if the
  59    binutils can't.  */
  60 #ifndef ASM_SPEC
  61 #define ASM_SPEC "\
  62 %{fpic: -k} %{fPIC: -k} \
  63 %{mbig-endian:-EB} \
  64 %{mcpu=*:-mcpu=%*} \
  65 %{march=*:-march=%*} \
  66 %{mapcs-float:-mfloat} \
  67 %{msoft-float:-mno-fpu} \
  68 %{mthumb-interwork:-mthumb-interwork} \
  69 %(subtarget_extra_asm_spec)"
  70 #endif
  71
  72 #undef  CPP_APCS_PC_DEFAULT_SPEC
  73 #define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__"