rtems-elf.h

来自「linux下编程用 编译软件」· C头文件 代码 · 共 47 行

/* Definitions for RTEMS based ARM systems using ELF
   Copyright (C) 2000, 2002, 2005 Free Software Foundation, Inc.
 
   This file is part of GCC.
 
   GCC is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published
   by the Free Software Foundation; either version 2, or (at your
   option) any later version.
 
   GCC is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
   License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.  */

/* Run-time Target Specification.  */
#undef TARGET_VERSION
#define TARGET_VERSION  fputs (" (ARM/ELF RTEMS)", stderr);

#define HAS_INIT_SECTION

#define TARGET_OS_CPP_BUILTINS()		\
    do {					\
	builtin_define ("__rtems__");		\
	builtin_assert ("system=rtems");	\
    } while (0)

/*
 * The default in gcc now is soft-float, but gcc misses it to 
 * pass it to the assembler.
 */
#undef SUBTARGET_EXTRA_ASM_SPEC
#define SUBTARGET_EXTRA_ASM_SPEC "\
  %{!mhard-float: %{!msoft-float:-mfpu=softfpa}}"

/*
 *  The default includes --start-group and --end-group which conflicts
 *  with how this used to be defined.
 */
#undef LINK_GCC_C_SEQUENCE_SPEC
#define LINK_GCC_C_SEQUENCE_SPEC "%G %L"