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 "%{m32:--32} %{m64:--64} -s %(asm_cpu)"
  30 #else
  31 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} %{Yd,*} " \
  32                  "%{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 /* As in sol2.h, override the default from i386/x86-64.h to work around
  54    Sun as TLS bug.  */
  55 #undef  ASM_OUTPUT_ALIGNED_COMMON
  56 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN)              \
  57   do                                                                    \
  58     {                                                                   \
  59       if (TARGET_SUN_TLS                                                \
  60           && in_section                                                 \
  61           && ((in_section->common.flags & (SECTION_TLS | SECTION_BSS))  \
  62               == (SECTION_TLS | SECTION_BSS)))                          \
  63         switch_to_section (bss_section);                                \
  64       x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN);                 \
  65     }                                                                   \
  66   while  (0)
  67
  68 #undef NO_PROFILE_COUNTERS
  69
  70 #undef MCOUNT_NAME
  71 #define MCOUNT_NAME "_mcount"
  72
  73 #undef WCHAR_TYPE
  74 #define WCHAR_TYPE (TARGET_64BIT ? "int" : "long int")
  75 #undef WCHAR_TYPE_SIZE
  76 #define WCHAR_TYPE_SIZE 32
  77
  78 #undef WINT_TYPE
  79 #define WINT_TYPE (TARGET_64BIT ? "int" : "long int")
  80 #undef WINT_TYPE_SIZE
  81 #define WINT_TYPE_SIZE 32
  82
  83 #define USE_IX86_FRAME_POINTER 1
  84 #define USE_X86_64_FRAME_POINTER 1
  85
  86 /* Override i386/sol2.h version: return 8-byte vectors in MMX registers if
  87    possible, matching Sun Studio 12 Update 1+ compilers and other x86
  88    targets.  */
  89 #undef TARGET_SUBTARGET_DEFAULT
  90 #define TARGET_SUBTARGET_DEFAULT \
  91         (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
  92
  93 #define SUBTARGET_OPTIMIZATION_OPTIONS                          \
  94   { OPT_LEVELS_1_PLUS, OPT_momit_leaf_frame_pointer, NULL, 1 }
  95
  96 #define MULTILIB_DEFAULTS { "m32" }
  97
  98 #undef LINK_ARCH64_SPEC_BASE
  99 #define LINK_ARCH64_SPEC_BASE \
 100   "%{G:-G} \
 101    %{YP,*} \
 102    %{R*} \
 103    %{compat-bsd: \
 104      %{!YP,*:%{p|pg:-Y P,/usr/ucblib/64:/usr/lib/libp/64:/lib/64:/usr/lib/64} \
 105              %{!p:%{!pg:-Y P,/usr/ucblib/64:/lib:/usr/lib/64}}} \
 106              -R /usr/ucblib/64} \
 107    %{!compat-bsd: \
 108      %{!YP,*:%{p|pg:-Y P,/usr/lib/libp/64:/lib/64:/usr/lib/64} \
 109              %{!p:%{!pg:-Y P,/lib/64:/usr/lib/64}}}}"
 110
 111 #undef LINK_ARCH64_SPEC
 112 #define LINK_ARCH64_SPEC LINK_ARCH64_SPEC_BASE
 113
 114 #ifdef TARGET_GNU_LD
 115 /* Since binutils 2.21, GNU ld supports new *_sol2 emulations to strictly
 116    follow the Solaris 2 ABI.  Prefer them if present.  */
 117 #ifdef HAVE_LD_SOL2_EMULATION
 118 #define I386_EMULATION "elf_i386_sol2"
 119 #define X86_64_EMULATION "elf_x86_64_sol2"
 120 #else
 121 #define I386_EMULATION "elf_i386"
 122 #define X86_64_EMULATION "elf_x86_64"
 123 #endif
 124
 125 #define TARGET_LD_EMULATION "%{m64:-m " X86_64_EMULATION "}" \
 126                             "%{!m64:-m " I386_EMULATION "} "
 127 #else
 128 #define TARGET_LD_EMULATION ""
 129 #endif
 130
 131 #undef LINK_ARCH_SPEC
 132 #define LINK_ARCH_SPEC TARGET_LD_EMULATION \
 133                        "%{m64:" LINK_ARCH64_SPEC "}%{!m64:" LINK_ARCH32_SPEC "}"
 134
 135 /* We do not need to search a special directory for startup files.  */
 136 #undef MD_STARTFILE_PREFIX
 137
 138 #undef TARGET_ASM_NAMED_SECTION
 139 #define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section