text: $NetBSD: patch-gcc_config_i386_dragonfly.h,v 1.1 2013/05/20 05:47:34 adam Exp $
  
  DragonFly BSD support.
  
  --- /dev/null	2011-02-01 20:59:25 +0100
  +++ ../gcc-4.1.2/gcc/config/i386/dragonfly.h	2011-02-01 19:38:39 +0100
  @@ -0,0 +1,145 @@
  +/* Definitions for Intel 386 running DragonFly with ELF format
  +   Copyright (C) 1996, 2000, 2002, 2004 Free Software Foundation, Inc.
  +   Contributed by Eric Youngdale.
  +   Modified for stabs-in-ELF by H.J. Lu.
  +   Adapted from GNU/Linux version by John Polstra.
  +   Continued development by David O'Brien <obrien@freebsd.org>
  +
  +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, 59 Temple Place - Suite 330,
  +Boston, MA 02111-1307, USA.  */
  +
  +
  +#define TARGET_VERSION fprintf (stderr, " (i386 DragonFly/ELF)");
  +
  +/* Override the default comment-starter of "/".  */
  +#undef  ASM_COMMENT_START
  +#define ASM_COMMENT_START "#"
  +
  +#undef  ASM_APP_ON
  +#define ASM_APP_ON "#APP\n"
  +
  +#undef  ASM_APP_OFF
  +#define ASM_APP_OFF "#NO_APP\n"
  +
  +#undef  DBX_REGISTER_NUMBER
  +#define DBX_REGISTER_NUMBER(n) \
  +  (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
  +
  +#undef  NO_PROFILE_COUNTERS
  +#define NO_PROFILE_COUNTERS	1
  +
  +/* Tell final.c that we don't need a label passed to mcount.  */
  +
  +#undef  MCOUNT_NAME
  +#define MCOUNT_NAME ".mcount"
  +
  +/* Make gcc agree with <machine/ansi.h>.  */
  +
  +#if 0
  +#undef  SIZE_TYPE
  +#define SIZE_TYPE	(TARGET_64BIT ? "long unsigned int" : "unsigned int")
  + 
  +#undef  PTRDIFF_TYPE
  +#define PTRDIFF_TYPE	(TARGET_64BIT ? "long int" : "int")
  +  
  +#undef  WCHAR_TYPE_SIZE
  +#define WCHAR_TYPE_SIZE	(TARGET_64BIT ? 32 : BITS_PER_WORD)
  +#endif
  +
  +#undef  SUBTARGET_EXTRA_SPECS	/* i386.h bogusly defines it.  */
  +#define SUBTARGET_EXTRA_SPECS \
  +  { "dfly_dynamic_linker", DFLY_DYNAMIC_LINKER }
  +    
  +/* Provide a STARTFILE_SPEC appropriate for DragonFly.  Here we add
  +   the magical crtbegin.o file (see crtstuff.c) which provides part 
  +	of the support for getting C++ file-scope static object constructed 
  +	before entering `main'.  */
  +   
  +#undef	STARTFILE_SPEC
  +#define STARTFILE_SPEC \
  +  "%{!shared: \
  +     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
  +		       %{!p:%{profile:gcrt1.o%s} \
  +			 %{!profile:crt1.o%s}}}} \
  +   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
  +
  +/* Provide a ENDFILE_SPEC appropriate for DragonFly.  Here we tack on
  +   the magical crtend.o file (see crtstuff.c) which provides part of 
  +	the support for getting C++ file-scope static object constructed 
  +	before entering `main', followed by a normal "finalizer" file, 
  +	`crtn.o'.  */
  +
  +#undef	ENDFILE_SPEC
  +#define ENDFILE_SPEC \
  +  "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
  +
  +/* Provide a LINK_SPEC appropriate for DragonFly.
  +   Here we provide support for the special GCC options -static and
  +   -shared, which allow us to link things in one of these three modes
  +   by applying the appropriate combinations of options at link-time.
  +   We like to support here for as many of the other GNU linker
  +   options as possible. But I don't have the time to search for
  +   those flags. I am sure how to add support for -soname
  +   shared_object_name. H.J.
  +
  +   I took out %{v:%{!V:-V}}. It is too much :-(. They can use
  +   -Wl,-V.
  +
  +   When the -shared link option is used a final link is not being
  +   done.  */
  +
  +#undef	LINK_SPEC
  +#define LINK_SPEC "\
  +  %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
  +  %{Wl,*:%*} \
  +  %{v:-V} \
  +  %{assert*} %{R*} %{rpath*} %{defsym*} \
  +  %{shared:-Bshareable %{h*} %{soname*}} \
  +    %{!shared: \
  +      %{!static: \
  +        %{rdynamic:-export-dynamic} \
  +        %{!dynamic-linker:-dynamic-linker %(dfly_dynamic_linker) }} \
  +    %{static:-Bstatic}} \
  +  %{symbolic:-Bsymbolic}"
  +
  +/* A C statement to output to the stdio stream FILE an assembler
  +   command to advance the location counter to a multiple of 1<<LOG
  +   bytes if it is within MAX_SKIP bytes.
  +
  +   This is used to align code labels according to Intel recommendations.  */
  +
  +#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
  +#undef  ASM_OUTPUT_MAX_SKIP_ALIGN
  +#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP)					\
  +  if ((LOG) != 0) {														\
  +    if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG));	\
  +    else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP));	\
  +  }
  +#endif
  +
  +/* Don't default to pcc-struct-return, we want to retain compatibility with
  +   older gcc versions AND pcc-struct-return is nonreentrant.
  +   (even though the SVR4 ABI for the i386 says that records and unions are
  +   returned in memory).  */
  +
  +#undef  DEFAULT_PCC_STRUCT_RETURN
  +#define DEFAULT_PCC_STRUCT_RETURN 0
  +
  +/* DragonFly sets the rounding precision of the FPU to 53 bits.  Let the
  +   compiler get the contents of <float.h> and std::numeric_limits correct.  */
  +#undef TARGET_96_ROUND_53_LONG_DOUBLE
  +#define TARGET_96_ROUND_53_LONG_DOUBLE (!TARGET_64BIT)
  