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/* Target definitions for GCC for Intel 80386 running Solaris 2

   Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,

   2004, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.

   Contributed by Fred Fish (fnf@cygnus.com).

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/>.  */

/* Augment i386/unix.h version to return 8-byte vectors in memory, matching

   Sun Studio compilers until version 12, the only ones supported on

   Solaris 8 and 9.  */

#undef TARGET_SUBTARGET_DEFAULT

#define TARGET_SUBTARGET_DEFAULT \

        (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_VECT8_RETURNS)

/* Old versions of the Solaris assembler can not handle the difference of

   labels in different sections, so force DW_EH_PE_datarel.  */

#undef ASM_PREFERRED_EH_DATA_FORMAT

#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)                       \

  (flag_pic ? ((GLOBAL ? DW_EH_PE_indirect : 0)                          \

               | (TARGET_64BIT ? DW_EH_PE_pcrel | DW_EH_PE_sdata4       \

                  : DW_EH_PE_datarel))                                  \

   : DW_EH_PE_absptr)

/* The Solaris linker will not merge a read-only .eh_frame section

   with a read-write .eh_frame section.  None of the encodings used

   with non-PIC code require runtime relocations.  In 64-bit mode,

   since there is no backwards compatibility issue, we use a read-only

   section for .eh_frame.  In 32-bit mode, we use a writable .eh_frame

   section in order to be compatible with G++ for Solaris x86.  */

#undef EH_TABLES_CAN_BE_READ_ONLY

#define EH_TABLES_CAN_BE_READ_ONLY (TARGET_64BIT)

/* Follow Sun requirements for TLS code sequences and use Sun assembler TLS

   syntax.  */

#undef TARGET_SUN_TLS

#define TARGET_SUN_TLS 1

#undef  SIZE_TYPE

#define SIZE_TYPE "unsigned int"

#undef  PTRDIFF_TYPE

#define PTRDIFF_TYPE "int"

/* Solaris 2/Intel as chokes on #line directives before Solaris 10.  */

#undef CPP_SPEC

#define CPP_SPEC "%{,assembler-with-cpp:-P} %(cpp_subtarget)"

#define ASM_CPU_DEFAULT_SPEC ""

#define ASM_CPU_SPEC ""

/* Don't include ASM_PIC_SPEC.  While the Solaris 8 and 9 assembler accepts

   -K PIC, it gives many warnings:

        R_386_32 relocation is used for symbol "<symbol>"

   GNU as doesn't recognize -K at all.  */

#undef ASM_SPEC

#define ASM_SPEC ASM_SPEC_BASE

#undef  ENDFILE_SPEC

#define ENDFILE_SPEC \

  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \

   %{mpc32:crtprec32.o%s} \

   %{mpc64:crtprec64.o%s} \

   %{mpc80:crtprec80.o%s} \

   crtend.o%s crtn.o%s"

#define SUBTARGET_CPU_EXTRA_SPECS \

  { "cpp_subtarget",     CPP_SUBTARGET_SPEC },          \

  { "asm_cpu",           ASM_CPU_SPEC },                \

  { "asm_cpu_default",   ASM_CPU_DEFAULT_SPEC },        \

#undef SUBTARGET_EXTRA_SPECS

#define SUBTARGET_EXTRA_SPECS \

  { "startfile_arch",   STARTFILE_ARCH_SPEC },          \

  { "link_arch",        LINK_ARCH_SPEC },               \

  SUBTARGET_CPU_EXTRA_SPECS

/* Register the Solaris-specific #pragma directives.  */

#define REGISTER_SUBTARGET_PRAGMAS() solaris_register_pragmas ()

#undef LOCAL_LABEL_PREFIX

#define LOCAL_LABEL_PREFIX "."

/* The 32-bit Solaris assembler does not support .quad.  Do not use it.  */

#ifndef HAVE_AS_IX86_QUAD

#undef ASM_QUAD

#endif

/* The Solaris assembler wants a .local for non-exported aliases.  */

#define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL, TARGET)   \

  do {                                                  \

    const char *declname =                              \

      IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL));  \

    ASM_OUTPUT_DEF ((FILE), declname,                   \

                    IDENTIFIER_POINTER (TARGET));       \

    if (! TREE_PUBLIC (DECL))                           \

      {                                                 \

        fprintf ((FILE), "%s", LOCAL_ASM_OP);           \

        assemble_name ((FILE), declname);               \

        fprintf ((FILE), "\n");                         \

      }                                                 \

  } while (0)

#ifndef USE_GAS

/* The Sun assembler uses .tcomm for TLS common sections.  */

#define TLS_COMMON_ASM_OP ".tcomm"

/* Similar to the Sun assembler on SPARC, the native assembler requires

   TLS objects to be declared as @tls_obj (not @tls_object).  Unlike SPARC,

   gas doesn't understand this variant.  */

#undef  ASM_DECLARE_OBJECT_NAME

#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL)               \

  do                                                            \

    {                                                           \

      HOST_WIDE_INT size;                                       \

                                                                \

      if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL))       \

        ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_obj");      \

      else                                                      \

        ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object");       \

                                                                \

      size_directive_output = 0;                         \

      if (!flag_inhibit_size_directive                          \

          && (DECL) && DECL_SIZE (DECL))                        \

        {                                                       \

          size_directive_output = 1;                            \

          size = int_size_in_bytes (TREE_TYPE (DECL));          \

          ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size);         \

        }                                                       \

                                                                \

      ASM_OUTPUT_LABEL (FILE, NAME);                            \

    }                                                           \

  while (0)

#endif /* !USE_GAS */

/* Output a simple call for .init/.fini.  */

#define ASM_OUTPUT_CALL(FILE, FN)                               \

  do                                                            \

    {                                                           \

      fprintf (FILE, "\tcall\t");                               \

      ix86_print_operand (FILE, XEXP (DECL_RTL (FN), 0), 'P');   \

      fprintf (FILE, "\n");                                     \

    }                                                           \

  while (0)

#undef TARGET_ASM_NAMED_SECTION

#define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section

#ifndef USE_GAS

/* Emit COMDAT group signature symbols for Sun as.  */

#undef TARGET_ASM_FILE_END

#define TARGET_ASM_FILE_END solaris_file_end

#endif

/* Unlike GNU ld, Sun ld doesn't coalesce .ctors.N/.dtors.N sections, so

   inhibit their creation.  Also cf. sparc/sysv4.h.  */

#ifndef USE_GLD

#define CTORS_SECTION_ASM_OP    "\t.section\t.ctors, \"aw\""

#define DTORS_SECTION_ASM_OP    "\t.section\t.dtors, \"aw\""

#endif

/* We do not need NT_VERSION notes.  */

#undef X86_FILE_START_VERSION_DIRECTIVE

#define X86_FILE_START_VERSION_DIRECTIVE false

/* Only recent versions of Solaris 11 ld properly support hidden .gnu.linkonce

   sections, so don't use them.  */

#ifndef USE_GLD

#define USE_HIDDEN_LINKONCE 0

#endif

/* Put all *tf routines in libgcc.  */

#undef LIBGCC2_HAS_TF_MODE

#define LIBGCC2_HAS_TF_MODE 1

#define LIBGCC2_TF_CEXT q

#define TF_SIZE 113