llvm-gcc-4.2/gcc/config/frv/linux.h

/* Target macros for the FRV Linux port of GCC.
   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2006
   Free Software Foundation, Inc.
   Contributed by Red Hat 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 GCC; see the file COPYING.  If not, write to the Free
   Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
   02110-1301, USA.  */

#ifndef __FRV_LINUX_H__
#define __FRV_LINUX_H__

#undef SUBTARGET_DRIVER_SELF_SPECS
#define SUBTARGET_DRIVER_SELF_SPECS \
  "%{!mno-fdpic:-mfdpic}",

#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
  "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"

#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
  "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"

#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"

#undef LINK_SPEC
#define LINK_SPEC "\
  %{mfdpic: -m elf32frvfd -z text} %{shared} %{pie} \
  %{!shared: %{!static: \
   %{rdynamic:-export-dynamic} \
   %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}} \
   %{static}}"

/* Support for compile-time default CPU.  */
#define OPTION_DEFAULT_SPECS \
  {"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }

/* Define OS-specific predefined preprocessor macros.  */
#define TARGET_OS_CPP_BUILTINS()	\
  do {					\
    builtin_define ("__gnu_linux__");	\
    builtin_define_std ("linux");	\
    builtin_define_std ("unix");	\
    builtin_assert ("system=linux");	\
  } while (0)

#define HAS_INIT_SECTION 1
#define INIT_SECTION_ASM_OP	"\t.section .init,\"ax\""
#define FINI_SECTION_ASM_OP	"\t.section .fini,\"ax\""

#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)	\
asm (SECTION_OP); \
asm ("ldi.p @(fp,4), gr15 ! call " #FUNC); \
asm (TEXT_SECTION_ASM_OP);

#undef INVOKE__main

#undef Twrite
#define Twrite __write

#endif /* __FRV_LINUX_H__ */