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/* Definitions of target machine for GCC, for bi-arch Solaris 2/x86.

   Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2011

   Free Software Foundation, Inc.

   Contributed by CodeSourcery, LLC.

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/>.  */

/* Override i386/sol2.h version: return 8-byte vectors in MMX registers if

   possible, matching Sun Studio 12 Update 1+ compilers and other x86

   targets.  */

#undef TARGET_SUBTARGET_DEFAULT

#define TARGET_SUBTARGET_DEFAULT \

        (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)

#define SUBTARGET_OPTIMIZATION_OPTIONS                          \

  { OPT_LEVELS_1_PLUS, OPT_momit_leaf_frame_pointer, NULL, 1 }

/* GNU as understands --32 and --64, but the native Solaris

   assembler requires -xarch=generic or -xarch=generic64 instead.  */

#ifdef USE_GAS

#define ASM_CPU32_DEFAULT_SPEC "--32"

#define ASM_CPU64_DEFAULT_SPEC "--64"

#else

#define ASM_CPU32_DEFAULT_SPEC "-xarch=generic"

#define ASM_CPU64_DEFAULT_SPEC "-xarch=generic64"

#endif

#undef ASM_CPU_SPEC

#define ASM_CPU_SPEC "%(asm_cpu_default)"

/* Don't let i386/x86-64.h override i386/sol2.h version.  Still cannot use

   -K PIC with the Solaris 10+ assembler, it gives many warnings:

        Absolute relocation is used for symbol "<symbol>"  */

#undef ASM_SPEC

#define ASM_SPEC ASM_SPEC_BASE

/* We do not need to search a special directory for startup files.  */

#undef MD_STARTFILE_PREFIX

#define DEFAULT_ARCH32_P !TARGET_64BIT_DEFAULT

#define ARCH64_SUBDIR "amd64"

#ifdef USE_GLD

/* Since binutils 2.21, GNU ld supports new *_sol2 emulations to strictly

   follow the Solaris 2 ABI.  Prefer them if present.  */

#ifdef HAVE_LD_SOL2_EMULATION

#define ARCH32_EMULATION "elf_i386_sol2"

#define ARCH64_EMULATION "elf_x86_64_sol2"

#else

#define ARCH32_EMULATION "elf_i386"

#define ARCH64_EMULATION "elf_x86_64"

#endif

#endif

#undef ASM_COMMENT_START

#define ASM_COMMENT_START "/"

/* The native Solaris assembler can't calculate the difference between

   symbols in different sections, which causes problems for -fPIC jump

   tables in .rodata.  */

#ifndef HAVE_AS_IX86_DIFF_SECT_DELTA

#undef JUMP_TABLES_IN_TEXT_SECTION

#define JUMP_TABLES_IN_TEXT_SECTION 1

/* The native Solaris assembler cannot handle the SYMBOL-. syntax, but

   requires SYMBOL@rel/@rel64 instead.  */

#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL)       \

  do {                                                  \

    fputs (integer_asm_op (SIZE, FALSE), FILE);         \

    assemble_name (FILE, LABEL);                        \

    fputs (SIZE == 8 ? "@rel64" : "@rel", FILE);        \

  } while (0)

#endif

/* As in sol2.h, override the default from i386/x86-64.h to work around

   Sun as TLS bug.  */

#undef  ASM_OUTPUT_ALIGNED_COMMON

#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN)              \

  do                                                                    \

    {                                                                   \

      if (TARGET_SUN_TLS                                                \

          && in_section                                                 \

          && ((in_section->common.flags & SECTION_TLS) == SECTION_TLS)) \

        switch_to_section (bss_section);                                \

      x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN);                 \

    }                                                                   \

  while  (0)

#define USE_IX86_FRAME_POINTER 1

#define USE_X86_64_FRAME_POINTER 1

#undef NO_PROFILE_COUNTERS

#undef MCOUNT_NAME

#define MCOUNT_NAME "_mcount"