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/* Definitions of target machine for GCC, for ELF on NetBSD/sparc

   and NetBSD/sparc64.

   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2010, 2011

   Free Software Foundation, Inc.

   Contributed by Matthew Green (mrg@eterna.com.au).

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/>.  */

#define TARGET_OS_CPP_BUILTINS()                        \

  do                                                    \

    {                                                   \

      NETBSD_OS_CPP_BUILTINS_ELF();                     \

      if (TARGET_ARCH64)                                \

        {                                               \

          builtin_define ("__sparc64__");               \

          builtin_define ("__sparc_v9__");              \

          builtin_define ("__sparcv9");                 \

        }                                               \

      else                                              \

        builtin_define ("__sparc");                     \

      builtin_define ("__sparc__");                     \

    }                                                   \

  while (0)

/* CPP defines used by all NetBSD targets.  */

#undef CPP_SUBTARGET_SPEC

#define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"

/* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h.  */

#undef SIZE_TYPE

#define SIZE_TYPE "long unsigned int"

#undef PTRDIFF_TYPE

#define PTRDIFF_TYPE "long int"

/* 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 '?'

#undef  LOCAL_LABEL_PREFIX

#define LOCAL_LABEL_PREFIX  "."

/* 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%ld", (PREFIX), (long)(NUM))

#undef USER_LABEL_PREFIX

#define USER_LABEL_PREFIX ""

#undef ASM_SPEC

#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} \

%(asm_cpu) %(asm_arch) %(asm_relax)"

#undef STDC_0_IN_SYSTEM_HEADERS

#define HAVE_ENABLE_EXECUTE_STACK

/* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler

   description, allowing one to build 32-bit or 64-bit applications

   on either.  We define the sparc & sparc64 versions of things,

   occasionally a neutral version (should be the same as "netbsd-elf.h")

   and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,

   we choose the correct version.  */

/* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC

   definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does

   not have a default place to find these libraries..  */

/* TARGET_CPU_DEFAULT is set in Makefile.in.  We test for 64-bit default

   platform here.  */

#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \

 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc

/* A 64 bit v9 compiler with stack-bias,

   in a Medium/Low code model environment.  */

#undef TARGET_DEFAULT

#define TARGET_DEFAULT \

  (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \

   + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)

#undef SPARC_DEFAULT_CMODEL

#define SPARC_DEFAULT_CMODEL CM_MEDANY

#endif

/* CC1_SPEC for NetBSD/sparc.  */

#define CC1_SPEC32 \

 "%{m32:%{m64:%emay not use both -m32 and -m64}} \

  %{m64: \

    -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \

    %{!mcpu*:%{!mv8plus:-mcpu=ultrasparc}} \

    %{!mno-vis:%{!mcpu=v9:-mvis}} \

    %{p:-mcmodel=medlow} \

    %{pg:-mcmodel=medlow}}"

#define CC1_SPEC64 \

 "%{m32:%{m64:%emay not use both -m32 and -m64}} \

  %{m32: \

    -mptr32 -mno-stack-bias \

    %{!mlong-double-128:-mlong-double-64} \

    %{!mcpu*:%{!mv8plus:-mcpu=cypress}}} \

  %{!m32: \

    %{p:-mcmodel=medlow} \

    %{pg:-mcmodel=medlow}}"

/* Make sure we use the right output format.  Pick a default and then

   make sure -m32/-m64 switch to the right one.  */

#define LINK_ARCH32_SPEC "-m elf32_sparc"

#define LINK_ARCH64_SPEC "-m elf64_sparc"

#define LINK_ARCH_SPEC \

 "%{m32:%(link_arch32)} \

  %{m64:%(link_arch64)} \

  %{!m32:%{!m64:%(link_arch_default)}}"

#undef LINK_SPEC

#define LINK_SPEC \

 "%(link_arch) \

  %{!mno-relax:%{!r:-relax}} \

  %(netbsd_link_spec)"

#define NETBSD_ENTRY_POINT "__start"

#if DEFAULT_ARCH32_P

#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC

#else

#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC

#endif

/* What extra spec entries do we need?  */

#undef SUBTARGET_EXTRA_SPECS

#define SUBTARGET_EXTRA_SPECS \

  { "link_arch32",              LINK_ARCH32_SPEC }, \

  { "link_arch64",              LINK_ARCH64_SPEC }, \

  { "link_arch_default",        LINK_ARCH_DEFAULT_SPEC }, \

  { "link_arch",                LINK_ARCH_SPEC }, \

  { "netbsd_cpp_spec",          NETBSD_CPP_SPEC }, \

  { "netbsd_link_spec",         NETBSD_LINK_SPEC_ELF }, \

  { "netbsd_entry_point",       NETBSD_ENTRY_POINT },

/* Build a compiler that supports -m32 and -m64?  */

#ifdef SPARC_BI_ARCH

#undef LONG_DOUBLE_TYPE_SIZE

#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)

#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)

#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128

#else

#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64

#endif

#undef  CC1_SPEC

#if DEFAULT_ARCH32_P

#define CC1_SPEC CC1_SPEC32

#else

#define CC1_SPEC CC1_SPEC64

#endif

#if DEFAULT_ARCH32_P

#define MULTILIB_DEFAULTS { "m32" }

#else

#define MULTILIB_DEFAULTS { "m64" }

#endif

#else   /* SPARC_BI_ARCH */

#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \

 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc

#undef LONG_DOUBLE_TYPE_SIZE

#define LONG_DOUBLE_TYPE_SIZE 128

#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE

#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128

#undef  CC1_SPEC

#define CC1_SPEC CC1_SPEC64

#else   /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \

        || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */

/* A 32-bit only compiler.  NetBSD don't support 128 bit `long double'

   for 32-bit code, unlike Solaris.  */

#undef LONG_DOUBLE_TYPE_SIZE

#define LONG_DOUBLE_TYPE_SIZE 64

#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE

#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64

#undef  CC1_SPEC

#define CC1_SPEC CC1_SPEC32

#endif  /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \

        || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */

#endif  /* SPARC_BI_ARCH */

/* We use GNU ld so undefine this so that attribute((init_priority)) works.  */

#undef CTORS_SECTION_ASM_OP

#undef DTORS_SECTION_ASM_OP