/* Definitions of target machine for GNU compiler, for HP PA-RISC
   Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2007
   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 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/>.  */

/* GCC always defines __STDC__.  HP C++ compilers don't define it.  This
   causes trouble when sys/stdsyms.h is included.  As a work around,
   we define __STDC_EXT__.  A similar situation exists with respect to
   the definition of __cplusplus.  We define _INCLUDE_LONGLONG
   to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
   support).  We define __STDCPP__ to get certain system headers
   (notably assert.h) to assume standard preprocessor behavior in C++.  */
#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS()					\
  do									\
    {									\
	builtin_assert ("system=hpux");					\
	builtin_assert ("system=unix");					\
	builtin_define ("__hp9000s800");				\
	builtin_define ("__hp9000s800__");				\
	builtin_define ("__hpux");					\
	builtin_define ("__hpux__");					\
	builtin_define ("__unix");					\
	builtin_define ("__unix__");					\
	if (c_dialect_cxx ())						\
	  {								\
	    builtin_define ("_HPUX_SOURCE");				\
	    builtin_define ("_INCLUDE_LONGLONG");			\
	    builtin_define ("__STDC_EXT__");				\
	    builtin_define ("__STDCPP__");				\
	  }								\
	else								\
	  {								\
	    if (!flag_iso)						\
	      {								\
		builtin_define ("_HPUX_SOURCE");			\
		if (preprocessing_trad_p ())				\
		  {							\
		    builtin_define ("hp9000s800");			\
		    builtin_define ("hppa");				\
		    builtin_define ("hpux");				\
		    builtin_define ("unix");				\
		    builtin_define ("__CLASSIC_C__");			\
		    builtin_define ("_PWB");				\
		    builtin_define ("PWB");				\
		  }							\
		else							\
		  builtin_define ("__STDC_EXT__");			\
	      }								\
	  }								\
	if (!TARGET_64BIT)						\
	  builtin_define ("_ILP32");					\
	if (flag_pa_unix >= 1995 && !flag_iso)				\
	  {								\
	    builtin_define ("_XOPEN_UNIX");				\
	    builtin_define ("_XOPEN_SOURCE_EXTENDED");			\
	  }								\
	if (TARGET_HPUX_11_11)						\
	  {								\
	    if (flag_pa_unix >= 1998)					\
	      {								\
		if (flag_isoc94 || flag_isoc99 || c_dialect_cxx()	\
		    || !flag_iso)					\
		  builtin_define ("_INCLUDE__STDC_A1_SOURCE");		\
		if (!flag_iso)						\
		  builtin_define ("_INCLUDE_XOPEN_SOURCE_500");		\
	      }								\
	    else if (flag_isoc94 || flag_isoc99 || c_dialect_cxx ())	\
	      warning (0, "-munix=98 option required for C89 "		\
		       "Amendment 1 features.\n");			\
	  }								\
	if (TARGET_SIO)							\
	  builtin_define ("_SIO");					\
	else								\
	  {								\
	    builtin_define ("__hp9000s700");				\
	    builtin_define ("__hp9000s700__");				\
	    builtin_define ("_WSIO");					\
	  }								\
    }									\
  while (0)

#undef CPP_SPEC
#define CPP_SPEC \
  "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
/* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD.  These
   affect only aCC's C++ library (Rogue Wave-derived) which we do not
   use, and they violate the user's name space.  */

/* We can debug dynamically linked executables on hpux11; we also
   want dereferencing of a NULL pointer to cause a SEGV.  */
#undef LINK_SPEC
#define LINK_SPEC \
  "%{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\
     %nWarning: consider linking with `-static' as system libraries with\n\
     %n  profiling support are only provided in archive format}}}\
   %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
     %nWarning: consider linking with `-static' as system libraries with\n\
     %n  profiling support are only provided in archive format}}}\
   -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
   %{static:-a archive} %{shared:-b}"

/* HP-UX 11 has posix threads.  HP libc contains pthread stubs so that
   non-threaded applications can be linked with a thread-safe libc
   without a subsequent loss of performance.  For more details, see
   <http://docs.hp.com/en/1896/pthreads.html>.  */
#undef LIB_SPEC
#define LIB_SPEC \
  "%{!shared:\
     %{mt|pthread:-lpthread} -lc \
     %{static:%{!nolibdld:-a shared -ldld -a archive -lpthread -lc}}}\
   %{shared:%{mt|pthread:-lpthread}}"

#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
  "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \
     %{!munix=93:unix95%O%s}}"

/* Under hpux11, the normal location of the `ld' and `as' programs is the
   /usr/ccs/bin directory.  */

#ifndef CROSS_DIRECTORY_STRUCTURE
#undef MD_EXEC_PREFIX
#define MD_EXEC_PREFIX "/usr/ccs/bin/"
#endif

/* Under hpux11 the normal location of the various *crt*.o files is
   the /usr/ccs/lib directory.  However, the profiling files are in
   /opt/langtools/lib.  */

#ifndef CROSS_DIRECTORY_STRUCTURE
#undef MD_STARTFILE_PREFIX
#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
#define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/"
#endif

/* hpux11 has the new HP assembler.  It's still lousy, but it's a whole lot
   better than the assembler shipped with older versions of hpux.  */
#undef NEW_HP_ASSEMBLER
#define NEW_HP_ASSEMBLER 1

/* Make GCC agree with types.h.  */
#undef SIZE_TYPE
#undef PTRDIFF_TYPE

#define SIZE_TYPE "long unsigned int"
#define PTRDIFF_TYPE "long int"

/* HP-UX 11.0 and above provides initialization and finalization function
   support from linker command line.  We don't need to invoke __main to run
   constructors.  We also don't need chatr to determine the dependencies of
   dynamically linked executables and shared libraries.  */
#undef LDD_SUFFIX
#undef PARSE_LDD_OUTPUT
#undef HAS_INIT_SECTION
#define HAS_INIT_SECTION 1
#undef LD_INIT_SWITCH
#define LD_INIT_SWITCH "+init"
#undef LD_FINI_SWITCH
#define LD_FINI_SWITCH "+fini"

/* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries
   with secondary definition (weak) symbols.  */
#undef TARGET_SOM_SDEF
#define TARGET_SOM_SDEF 1

#undef TARGET_HPUX_11
#define TARGET_HPUX_11 1