gcc/config/i386/sol2-10.h

   1 /* Solaris 10 configuration.
   2    Copyright (C) 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
   3    Contributed by CodeSourcery, LLC.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #undef ASM_COMMENT_START
  22 #define ASM_COMMENT_START "/"
  23
  24 /* binutils' GNU as understands --32 and --64, but the native Solaris
  25    assembler requires -xarch=generic or -xarch=generic64 instead.  */
  26 #undef ASM_SPEC
  27 #ifdef USE_GAS
  28 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} " \
  29                  "%{Wa,*:%*} %{m32:--32} %{m64:--64} -s %(asm_cpu)"
  30 #else
  31 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} " \
  32                  "%{Wa,*:%*} %{m32:-xarch=generic} %{m64:-xarch=generic64} " \
  33                  "-s %(asm_cpu)"
  34 #endif
  35
  36 /* The native Solaris assembler can't calculate the difference between
  37    symbols in different sections, which causes problems for -fPIC jump
  38    tables in .rodata.  */
  39 #ifndef HAVE_AS_IX86_DIFF_SECT_DELTA
  40 #undef JUMP_TABLES_IN_TEXT_SECTION
  41 #define JUMP_TABLES_IN_TEXT_SECTION 1
  42
  43 /* The native Solaris assembler cannot handle the SYMBOL-. syntax, but
  44    requires SYMBOL@rel/@rel64 instead.  */
  45 #define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL)       \
  46   do {                                                  \
  47     fputs (integer_asm_op (SIZE, FALSE), FILE);         \
  48     assemble_name (FILE, LABEL);                        \
  49     fputs (SIZE == 8 ? "@rel64" : "@rel", FILE);        \
  50   } while (0)
  51 #endif
  52
  53 #undef NO_PROFILE_COUNTERS
  54
  55 #undef MCOUNT_NAME
  56 #define MCOUNT_NAME "_mcount"
  57
  58 #undef WCHAR_TYPE
  59 #define WCHAR_TYPE (TARGET_64BIT ? "int" : "long int")
  60 #undef WCHAR_TYPE_SIZE
  61 #define WCHAR_TYPE_SIZE 32
  62
  63 #undef WINT_TYPE
  64 #define WINT_TYPE (TARGET_64BIT ? "int" : "long int")
  65 #undef WINT_TYPE_SIZE
  66 #define WINT_TYPE_SIZE 32
  67
  68 #define SUBTARGET_OVERRIDE_OPTIONS                              \
  69   do                                                            \
  70     {                                                           \
  71       if (flag_omit_frame_pointer == 2)                         \
  72         flag_omit_frame_pointer = 0;                            \
  73     }                                                           \
  74   while (0)
  75
  76 #undef TARGET_SUBTARGET_DEFAULT
  77 #define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP     \
  78                                   | MASK_FLOAT_RETURNS)
  79
  80 #define SUBTARGET_OPTIMIZATION_OPTIONS                  \
  81   do                                                    \
  82     {                                                   \
  83       if (optimize >= 1)                                \
  84         target_flags |= MASK_OMIT_LEAF_FRAME_POINTER;   \
  85     }                                                   \
  86   while (0)
  87
  88 #define MULTILIB_DEFAULTS { "m32" }
  89
  90 #undef LINK_ARCH64_SPEC_BASE
  91 #define LINK_ARCH64_SPEC_BASE \
  92   "%{G:-G} \
  93    %{YP,*} \
  94    %{R*} \
  95    %{compat-bsd: \
  96      %{!YP,*:%{p|pg:-Y P,/usr/ucblib/64:/usr/lib/libp/64:/lib/64:/usr/lib/64} \
  97              %{!p:%{!pg:-Y P,/usr/ucblib/64:/lib:/usr/lib/64}}} \
  98              -R /usr/ucblib/64} \
  99    %{!compat-bsd: \
 100      %{!YP,*:%{p|pg:-Y P,/usr/lib/libp/64:/lib/64:/usr/lib/64} \
 101              %{!p:%{!pg:-Y P,/lib/64:/usr/lib/64}}}}"
 102
 103 #undef LINK_ARCH64_SPEC
 104 #define LINK_ARCH64_SPEC LINK_ARCH64_SPEC_BASE
 105
 106 #ifdef TARGET_GNU_LD
 107 #define TARGET_LD_EMULATION "%{m64:-m elf_x86_64}%{!m64:-m elf_i386} "
 108 #else
 109 #define TARGET_LD_EMULATION ""
 110 #endif
 111
 112 #undef LINK_ARCH_SPEC
 113 #define LINK_ARCH_SPEC TARGET_LD_EMULATION \
 114                        "%{m64:" LINK_ARCH64_SPEC "}%{!m64:" LINK_ARCH32_SPEC "}"
 115
 116 /* We do not need to search a special directory for startup files.  */
 117 #undef MD_STARTFILE_PREFIX
 118
 119 #undef TARGET_ASM_NAMED_SECTION
 120 #define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section
 121
 122 #undef SUBTARGET_RETURN_IN_MEMORY
 123 #define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
 124         ix86_sol10_return_in_memory (TYPE, FNTYPE)