gcc/config/sh/symbian-pre.h

   1 /* Definitions for the Symbian OS running on an SH part.
   2    This file is included before any other target specific headers.
   3
   4    Copyright (C) 2004 Free Software Foundation, Inc.
   5    Contributed by Red Hat.
   6
   7    This file is part of GCC.
   8
   9    GCC is free software; you can redistribute it and/or modify it
  10    under the terms of the GNU General Public License as published
  11    by the Free Software Foundation; either version 2, or (at your
  12    option) any later version.
  13
  14    GCC is distributed in the hope that it will be useful, but WITHOUT
  15    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  16    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  17    License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with GCC; see the file COPYING.  If not, write to the
  21    Free Software Foundation, 59 Temple Place - Suite 330,
  22    Boston, MA 02111-1307, USA.  */
  23
  24 /* Enable Symbian specific code.  */
  25 #define SYMBIAN         1
  26
  27 /* Default to using the Renesas ABI.  */
  28 #define TARGET_ABI_DEFAULT      RENESAS_BIT
  29
  30 /* Support the __declspec keyword by turning them into attributes.
  31    We currently only support: naked, dllimport, and dllexport.
  32    Note that the current way we do this may result in a collision with
  33    predefined attributes later on.  This can be solved by using one attribute,
  34    say __declspec__, and passing args to it.  The problem with that approach
  35    is that args are not accumulated: each new appearance would clobber any
  36    existing args.  */
  37 #define SUBTARGET_CPP_SPEC "-D__declspec(x)=__attribute__((x))"
  38
  39 /* Get tree.c to declare merge_dllimport_decl_attributes().  */
  40 #define TARGET_DLLIMPORT_DECL_ATTRIBUTES
  41
  42 /* The Symbian OS currently does not support exception handling.  */
  43 #define SUBTARGET_CC1PLUS_SPEC "-fno-exceptions"
  44
  45 /* Create constructor/destructor sections without the writable flag.
  46    Symbian puts them into the text segment and munges them later on.  */
  47 #define CTORS_SECTION_ASM_OP    "\t.section\t.ctors,\"ax\",@progbits"
  48 #define DTORS_SECTION_ASM_OP    "\t.section\t.dtors,\"ax\",@progbits"