/* Definitions of target machine for GNU compiler.  Amiga powerpc version.
   Copyright (C) 1996 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC 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.

GNU CC 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 GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

#include "rs6000/sysv4.h"

/* Enable some special Amiga only features.  FIXME: This define should
   be eliminated in favor of more general ways to enable the features. */

#define TARGET_AMIGAOS

#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-DPPC -Damiga -Damigaos -DMCH_AMIGA -DAMIGA -Asystem(amigaos) --Acpu(powerpc) -Amachine(powerpc)"

/* Choose the right startup file, depending on whether we use base relative
   code, base relative code with automatic relocation (-resident), or plain
   crt0.o. 
  
   Profiling is currently only available for plain startup.
   mcrt0.o does not (yet) exist. */

#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
 "%{!noixemul:%{resident:rcrt0.o%s}%{!resident:%{!fbaserel:%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
%{fbaserel:%{pg:bgcrt0.o%s}%{!pg:%{p:bmcrt0.o%s}%{!p:bcrt0.o%s}}}}}\
%{noixemul:%{resident:libnix/nrcrt0.o%s}%{!resident:%{fbaserel:libnix/nbcrt0.o%s}%{!fbaserel:libnix/ncrt0.o%s}}}"

#undef ENDFILE_SPEC
#define ENDFILE_SPEC "%{noixemul:-lstubs}"

/* Automatically search libamiga.a for AmigaOS specific functions.  Note
   that we first search the standard C library to resolve as much as
   possible from there, since it has names that are duplicated in libamiga.a
   which we *don't* want from there.  Then search the standard C library
   again to resolve any references that libamiga.a might have generated.
   This may only be a temporary solution since it might be better to simply
   remove the things from libamiga.a that should be pulled in from libc.a
   instead, which would eliminate the first reference to libc.a. */

#undef LIB_SPEC
#define LIB_SPEC "%{!noixemul:%{!p:%{!pg:-lc -lamiga -lc}}%{p:-lc_p}%{pg:-lc_p}}%{noixemul:-lnixmain -lnix -lamiga}"

/* This is (almost;-)) BSD, so it wants DBX format.  */

#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
#define DBX_DEBUGGING_INFO
#define	DWARF_DEBUGGING_INFO

/* To maintain the binary compatibility with the m68k structures, we need
   to align 32-bit integers and pointers only to 16 bits in structures.  */

#undef ADJUST_FIELD_ALIGN
#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
  (DECL_MODE (FIELD) != SImode ? (COMPUTED) : MIN ((COMPUTED), 16))