gcc/config/arm/uclinux-elf.h

   1 /* Definitions for ARM running ucLinux using ELF
   2    Copyright (C) 1999, 2001, 2004, 2005 Free Software Foundation, Inc.
   3    Contributed by Philip Blundell <pb@nexus.co.uk>
   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 this program; see the file COPYING.  If not, write to
  19    the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  20    Boston, MA 02110-1301, USA.  */
  21
  22 /* We don't want a PLT.  */
  23 #undef  NEED_PLT_RELOC
  24 #define NEED_PLT_RELOC 0
  25
  26 #undef  TARGET_VERSION
  27 #define TARGET_VERSION fputs (" (ARM/ELF ucLinux)", stderr);
  28
  29 #undef  TARGET_DEFAULT
  30 #define TARGET_DEFAULT (MASK_SINGLE_PIC_BASE)
  31
  32 /* NOTE: The remaining definitions in this file are needed because uclinux
  33    does not use config/linux.h.  */
  34
  35 /* Do not assume anything about header files.  */
  36 #define NO_IMPLICIT_EXTERN_C
  37
  38 /* The GNU C++ standard library requires that these macros be defined.  */
  39 #undef CPLUSPLUS_CPP_SPEC
  40 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
  41
  42 /* Provide a STARTFILE_SPEC appropriate for GNU/Linux.  Here we add
  43    the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
  44    provides part of the support for getting C++ file-scope static
  45    object constructed before entering `main'.  */
  46
  47 #undef  STARTFILE_SPEC
  48 #define STARTFILE_SPEC \
  49   "%{!shared: \
  50      %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
  51                        %{!p:%{profile:gcrt1.o%s} \
  52                          %{!profile:crt1.o%s}}}} \
  53    crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
  54
  55 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
  56    the GNU/Linux magical crtend.o file (see crtstuff.c) which
  57    provides part of the support for getting C++ file-scope static
  58    object constructed before entering `main', followed by a normal
  59    GNU/Linux "finalizer" file, `crtn.o'.  */
  60
  61 #undef  ENDFILE_SPEC
  62 #define ENDFILE_SPEC \
  63   "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
  64
  65 #undef  CC1_SPEC
  66 #define CC1_SPEC "%{profile:-p}"
  67
  68 #define LINK_GCC_C_SEQUENCE_SPEC \
  69   "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
  70
  71 /* Use --as-needed -lgcc_s for eh support.  */
  72 #ifdef HAVE_LD_AS_NEEDED
  73 #define USE_LD_AS_NEEDED 1
  74 #endif