/* Definitions for Sun SPARC64 running FreeBSD using the ELF format   Copyright (C) 2001, 2002, 2004, 2005, 2006 Free Software Foundation, Inc.   Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.This file is part of GCC.GCC is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with GCC; see the file COPYING.  If not, write tothe Free Software Foundation, 51 Franklin Street, Fifth Floor,Boston, MA 02110-1301, USA.  */#undef  SUBTARGET_EXTRA_SPECS#define SUBTARGET_EXTRA_SPECS \  { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }/* FreeBSD needs the platform name (sparc64) defined.   Emacs needs to know if the arch is 64 or 32-bits.  */#undef  CPP_CPU64_DEFAULT_SPEC#define CPP_CPU64_DEFAULT_SPEC \  "-D__sparc64__ -D__sparc_v9__ -D__sparcv9 -D__arch64__"#define LINK_SPEC "%(link_arch)						\  %{!mno-relax:%{!r:-relax}}						\  %{p:%nconsider using `-pg' instead of `-p' with gprof(1)}		\  %{assert*} %{R*} %{rpath*} %{defsym*}					\  %{shared:-Bshareable %{h*} %{soname*}}				\  %{symbolic:-Bsymbolic}						\  %{!shared:								\    %{!static:								\      %{rdynamic:-export-dynamic}					\      %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }}	\    %{static:-Bstatic}}"/************************[  Target stuff  ]***********************************//* Define the actual types of some ANSI-mandated types.     Needs to agree with <machine/ansi.h>.  GCC defaults come from c-decl.c,   c-common.c, and config/<arch>/<arch>.h.  *//* Earlier headers may get this wrong for FreeBSD.   We use the GCC defaults instead.  */#undef WCHAR_TYPE#undef  WCHAR_TYPE_SIZE#define WCHAR_TYPE_SIZE 32/* Define for support of TFmode long double.   SPARC ABI says that long double is 4 words.  */#undef  LONG_DOUBLE_TYPE_SIZE#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)/* Define this to set long double type size to use in libgcc2.c, which can   not depend on target_flags.  */#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128#else#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64#endif/* Definitions for 64-bit SPARC running systems with ELF. */#undef  TARGET_VERSION#define TARGET_VERSION fprintf (stderr, " (FreeBSD/sparc64 ELF)");#define TARGET_ELF		1/* XXX *//* A 64 bit v9 compiler with stack-bias,   in a Medium/mid code model environment.  */#undef  TARGET_DEFAULT#define TARGET_DEFAULT \  (MASK_V9 + MASK_64BIT + MASK_PTR64 /* + MASK_FASTER_STRUCTS */ \   + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU \   + MASK_LONG_DOUBLE_128 /* + MASK_HARD_QUAD */)/* The default code model.  */#undef  SPARC_DEFAULT_CMODEL#define SPARC_DEFAULT_CMODEL	CM_MEDLOW#define ENABLE_EXECUTE_STACK						\  static int need_enable_exec_stack;					\  static void check_enabling(void) __attribute__ ((constructor));	\  static void check_enabling(void)					\  {									\    extern int sysctlbyname(const char *, void *, size_t *, void *, size_t);\    int prot = 0;							\    size_t len = sizeof(prot);						\									\    sysctlbyname ("kern.stackprot", &prot, &len, NULL, 0);		\    if (prot != 7)							\      need_enable_exec_stack = 1;					\  }									\  extern void __enable_execute_stack (void *);				\  void __enable_execute_stack (void *addr)				\  {									\    if (!need_enable_exec_stack)					\      return;								\    else {								\      /* 7 is PROT_READ | PROT_WRITE | PROT_EXEC */ 			\      if (mprotect (addr, TRAMPOLINE_SIZE, 7) < 0)			\        perror ("mprotect of trampoline code");				\    }									\  }/************************[  Assembler stuff  ]********************************/#undef	LOCAL_LABEL_PREFIX#define LOCAL_LABEL_PREFIX  "."/* XXX2 *//* This is how to store into the string LABEL   the symbol_ref name of an internal numbered label where   PREFIX is the class of label and NUM is the number within the class.   This is suitable for output with `assemble_name'.  */#undef  ASM_GENERATE_INTERNAL_LABEL#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)			\  sprintf (LABEL, "*.L%s%lu", PREFIX, (unsigned long)(NUM))/************************[  Debugger stuff  ]*********************************//* This is the char to use for continuation (in case we need to turn   continuation back on).  */#undef  DBX_CONTIN_CHAR#define DBX_CONTIN_CHAR	'?'/* DWARF bits.  *//* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.    Obviously the Dwarf2 folks havn't tried to actually build systems   with their spec.  On a 64-bit system, only 64-bit relocs become   RELATIVE relocations.  *//* #define DWARF_OFFSET_SIZE PTR_SIZE */#undef ENDFILE_SPEC#define ENDFILE_SPEC						\  "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} "	\  FBSD_ENDFILE_SPEC/* We use GNU ld so undefine this so that attribute((init_priority)) works.  */#undef CTORS_SECTION_ASM_OP#undef DTORS_SECTION_ASM_OP