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 /* 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 SUBTARGET_OVERRIDE_OPTIONS                              \
  84   do                                                            \
  85     {                                                           \
  86       if (flag_omit_frame_pointer == 2)                         \
  87         flag_omit_frame_pointer = 0;                            \
  88     }                                                           \
  89   while (0)
  90
  91 #undef TARGET_SUBTARGET_DEFAULT
  92 #define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP     \
  93                                   | MASK_FLOAT_RETURNS)
  94
  95 #define SUBTARGET_OPTIMIZATION_OPTIONS                  \
  96   do                                                    \
  97     {                                                   \
  98       if (optimize >= 1)                                \
  99         target_flags |= MASK_OMIT_LEAF_FRAME_POINTER;   \
 100     }                                                   \
 101   while (0)
 102
 103 #define MULTILIB_DEFAULTS { "m32" }
 104
 105 #undef LINK_ARCH64_SPEC_BASE
 106 #define LINK_ARCH64_SPEC_BASE \
 107   "%{G:-G} \
 108    %{YP,*} \
 109    %{R*} \
 110    %{compat-bsd: \
 111      %{!YP,*:%{p|pg:-Y P,/usr/ucblib/64:/usr/lib/libp/64:/lib/64:/usr/lib/64} \
 112              %{!p:%{!pg:-Y P,/usr/ucblib/64:/lib:/usr/lib/64}}} \
 113              -R /usr/ucblib/64} \
 114    %{!compat-bsd: \
 115      %{!YP,*:%{p|pg:-Y P,/usr/lib/libp/64:/lib/64:/usr/lib/64} \
 116              %{!p:%{!pg:-Y P,/lib/64:/usr/lib/64}}}}"
 117
 118 #undef LINK_ARCH64_SPEC
 119 #define LINK_ARCH64_SPEC LINK_ARCH64_SPEC_BASE
 120
 121 #ifdef TARGET_GNU_LD
 122 #define TARGET_LD_EMULATION "%{m64:-m elf_x86_64}%{!m64:-m elf_i386} "
 123 #else
 124 #define TARGET_LD_EMULATION ""
 125 #endif
 126
 127 #undef LINK_ARCH_SPEC
 128 #define LINK_ARCH_SPEC TARGET_LD_EMULATION \
 129                        "%{m64:" LINK_ARCH64_SPEC "}%{!m64:" LINK_ARCH32_SPEC "}"
 130
 131 /* We do not need to search a special directory for startup files.  */
 132 #undef MD_STARTFILE_PREFIX
 133
 134 #undef TARGET_ASM_NAMED_SECTION
 135 #define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section
 136
 137 #undef SUBTARGET_RETURN_IN_MEMORY
 138 #define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
 139         ix86_sol10_return_in_memory (TYPE, FNTYPE)