gcc/config/i386/sol2-10.h

   1 /* Solaris 10 configuration.
   2    Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010
   3    Free Software Foundation, Inc.
   4    Contributed by CodeSourcery, LLC.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 #undef ASM_COMMENT_START
  23 #define ASM_COMMENT_START "/"
  24
  25 /* binutils' GNU as understands --32 and --64, but the native Solaris
  26    assembler requires -xarch=generic or -xarch=generic64 instead.  */
  27 #undef ASM_SPEC
  28 #ifdef USE_GAS
  29 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} " \
  30                  "%{Wa,*:%*} %{m32:--32} %{m64:--64} -s %(asm_cpu)"
  31 #else
  32 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} " \
  33                  "%{Wa,*:%*} %{m32:-xarch=generic} %{m64:-xarch=generic64} " \
  34                  "-s %(asm_cpu)"
  35 #endif
  36
  37 /* The native Solaris assembler can't calculate the difference between
  38    symbols in different sections, which causes problems for -fPIC jump
  39    tables in .rodata.  */
  40 #ifndef HAVE_AS_IX86_DIFF_SECT_DELTA
  41 #undef JUMP_TABLES_IN_TEXT_SECTION
  42 #define JUMP_TABLES_IN_TEXT_SECTION 1
  43
  44 /* The native Solaris assembler cannot handle the SYMBOL-. syntax, but
  45    requires SYMBOL@rel/@rel64 instead.  */
  46 #define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL)       \
  47   do {                                                  \
  48     fputs (integer_asm_op (SIZE, FALSE), FILE);         \
  49     assemble_name (FILE, LABEL);                        \
  50     fputs (SIZE == 8 ? "@rel64" : "@rel", FILE);        \
  51   } while (0)
  52 #endif
  53
  54 /* As in sol2.h, override the default from i386/x86-64.h to work around
  55    Sun as TLS bug.  */
  56 #undef  ASM_OUTPUT_ALIGNED_COMMON
  57 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN)              \
  58   do                                                                    \
  59     {                                                                   \
  60       if (TARGET_SUN_TLS                                                \
  61           && in_section                                                 \
  62           && ((in_section->common.flags & (SECTION_TLS | SECTION_BSS))  \
  63               == (SECTION_TLS | SECTION_BSS)))                          \
  64         switch_to_section (bss_section);                                \
  65       x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN);                 \
  66     }                                                                   \
  67   while  (0)
  68
  69 #undef NO_PROFILE_COUNTERS
  70
  71 #undef MCOUNT_NAME
  72 #define MCOUNT_NAME "_mcount"
  73
  74 #undef WCHAR_TYPE
  75 #define WCHAR_TYPE (TARGET_64BIT ? "int" : "long int")
  76 #undef WCHAR_TYPE_SIZE
  77 #define WCHAR_TYPE_SIZE 32
  78
  79 #undef WINT_TYPE
  80 #define WINT_TYPE (TARGET_64BIT ? "int" : "long int")
  81 #undef WINT_TYPE_SIZE
  82 #define WINT_TYPE_SIZE 32
  83
  84 #define SUBTARGET_OVERRIDE_OPTIONS                              \
  85   do                                                            \
  86     {                                                           \
  87       if (flag_omit_frame_pointer == 2)                         \
  88         flag_omit_frame_pointer = 0;                            \
  89     }                                                           \
  90   while (0)
  91
  92 #undef TARGET_SUBTARGET_DEFAULT
  93 #define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP     \
  94                                   | MASK_FLOAT_RETURNS)
  95
  96 #define SUBTARGET_OPTIMIZATION_OPTIONS                  \
  97   do                                                    \
  98     {                                                   \
  99       if (optimize >= 1)                                \
 100         target_flags |= MASK_OMIT_LEAF_FRAME_POINTER;   \
 101     }                                                   \
 102   while (0)
 103
 104 #define MULTILIB_DEFAULTS { "m32" }
 105
 106 #undef LINK_ARCH64_SPEC_BASE
 107 #define LINK_ARCH64_SPEC_BASE \
 108   "%{G:-G} \
 109    %{YP,*} \
 110    %{R*} \
 111    %{compat-bsd: \
 112      %{!YP,*:%{p|pg:-Y P,/usr/ucblib/64:/usr/lib/libp/64:/lib/64:/usr/lib/64} \
 113              %{!p:%{!pg:-Y P,/usr/ucblib/64:/lib:/usr/lib/64}}} \
 114              -R /usr/ucblib/64} \
 115    %{!compat-bsd: \
 116      %{!YP,*:%{p|pg:-Y P,/usr/lib/libp/64:/lib/64:/usr/lib/64} \
 117              %{!p:%{!pg:-Y P,/lib/64:/usr/lib/64}}}}"
 118
 119 #undef LINK_ARCH64_SPEC
 120 #define LINK_ARCH64_SPEC LINK_ARCH64_SPEC_BASE
 121
 122 #ifdef TARGET_GNU_LD
 123 /* Since binutils 2.21, GNU ld supports new *_sol2 emulations to strictly
 124    follow the Solaris 2 ABI.  Prefer them if present.  */
 125 #ifdef HAVE_LD_SOL2_EMULATION
 126 #define I386_EMULATION "elf_i386_sol2"
 127 #define X86_64_EMULATION "elf_x86_64_sol2"
 128 #else
 129 #define I386_EMULATION "elf_i386"
 130 #define X86_64_EMULATION "elf_x86_64"
 131 #endif
 132
 133 #define TARGET_LD_EMULATION "%{m64:-m " X86_64_EMULATION "}" \
 134                             "%{!m64:-m " I386_EMULATION "} "
 135 #else
 136 #define TARGET_LD_EMULATION ""
 137 #endif
 138
 139 #undef LINK_ARCH_SPEC
 140 #define LINK_ARCH_SPEC TARGET_LD_EMULATION \
 141                        "%{m64:" LINK_ARCH64_SPEC "}%{!m64:" LINK_ARCH32_SPEC "}"
 142
 143 /* We do not need to search a special directory for startup files.  */
 144 #undef MD_STARTFILE_PREFIX
 145
 146 #undef TARGET_ASM_NAMED_SECTION
 147 #define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section
 148
 149 #undef SUBTARGET_RETURN_IN_MEMORY
 150 #define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
 151         ix86_sol10_return_in_memory (TYPE, FNTYPE)