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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [config/] [netbsd-elf.h] - Rev 816

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/* Common configuration file for NetBSD ELF targets.
   Copyright (C) 2002, 2007 Free Software Foundation, Inc.
   Contributed by Wasabi Systems, 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 3, 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 COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */
 
/* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets.  */
#define NETBSD_OS_CPP_BUILTINS_ELF()		\
  do						\
    {						\
      NETBSD_OS_CPP_BUILTINS_COMMON();		\
    }						\
  while (0)
 
/* This defines which switch letters take arguments.  On NetBSD, most
   of the normal cases (defined by gcc.c) apply, and we also have -h*
   and -z* options (for the linker) (coming from SVR4).  */
 
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR)			\
  (DEFAULT_SWITCH_TAKES_ARG (CHAR)		\
   || (CHAR) == 'h'				\
   || (CHAR) == 'z'				\
   || (CHAR) == 'R')
 
 
/* Provide a STARTFILE_SPEC appropriate for NetBSD ELF.  Here we
   provide support for the special GCC option -static.  On ELF
   targets, we also add the crtbegin.o file, which provides part
   of the support for getting C++ file-scope static objects
   constructed before entering "main".  */
 
#define NETBSD_STARTFILE_SPEC	\
  "%{!shared:			\
     %{pg:gcrt0%O%s}		\
     %{!pg:			\
       %{p:gcrt0%O%s}		\
       %{!p:crt0%O%s}}}		\
   %:if-exists(crti%O%s)	\
   %{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \
   %{!static: \
     %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}}"
 
#undef STARTFILE_SPEC
#define STARTFILE_SPEC NETBSD_STARTFILE_SPEC
 
 
/* Provide an ENDFILE_SPEC appropriate for NetBSD ELF.  Here we
   add crtend.o, which provides part of the support for getting
   C++ file-scope static objects deconstructed after exiting "main".  */
 
#define NETBSD_ENDFILE_SPEC	\
  "%{!shared:crtend%O%s} %{shared:crtendS%O%s} \
   %:if-exists(crtn%O%s)"
 
#undef ENDFILE_SPEC
#define ENDFILE_SPEC NETBSD_ENDFILE_SPEC
 
/* Provide a LINK_SPEC appropriate for NetBSD ELF.  Here we provide
   support for the special GCC options -assert, -R, -rpath, -shared,
   -nostdlib, -static, -rdynamic, and -dynamic-linker.
 
   Target-specific code can use this in conjunction with any other
   target-specific LINK_SPEC options.
 
   Target-specific code must provide the %(netbsd_entry_point) spec.  */
 
#define NETBSD_LINK_SPEC_ELF \
  "%{assert*} %{R*} %{rpath*} \
   %{shared:-shared} \
   %{!shared: \
     -dc -dp \
     %{!nostdlib: \
       %{!r*: \
	 %{!e*:-e %(netbsd_entry_point)}}} \
     %{!static: \
       %{rdynamic:-export-dynamic} \
       %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
     %{static:-static}}"
 

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