gcc/config/mips/linux64.h

   1 /* Definitions for MIPS running Linux-based GNU systems with ELF format
   2    using n32/64 abi.
   3    Copyright 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   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 2, 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 COPYING.  If not, write to
  19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22 /* Force the default endianness and ABI flags onto the command line
  23    in order to make the other specs easier to write.  */
  24 #define DRIVER_SELF_SPECS \
  25 "%{!EB:%{!EL:%(endian_spec)}}", \
  26 "%{!mabi=*: -mabi=n32}"
  27
  28 #undef SUBTARGET_ASM_SPEC
  29 #define SUBTARGET_ASM_SPEC "\
  30 %{!fno-PIC:%{!fno-pic:-KPIC}} \
  31 %{fno-PIC:-non_shared} %{fno-pic:-non_shared}"
  32
  33 #undef LIB_SPEC
  34 #define LIB_SPEC "\
  35 %{shared: -lc} \
  36 %{!shared: %{pthread:-lpthread} \
  37   %{profile:-lc_p} %{!profile: -lc}}"
  38
  39 #undef LINK_SPEC
  40 #define LINK_SPEC "\
  41 %{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
  42 %{bestGnum} %{shared} %{non_shared} \
  43 %{call_shared} %{no_archive} %{exact_version} \
  44  %(endian_spec) \
  45   %{!shared: \
  46     %{!ibcs: \
  47       %{!static: \
  48         %{rdynamic:-export-dynamic} \
  49         %{!dynamic-linker: \
  50           %{mabi=n32: -dynamic-linker /lib32/ld.so.1} \
  51           %{mabi=64: -dynamic-linker /lib64/ld.so.1} \
  52           %{mabi=32: -dynamic-linker /lib/ld.so.1}}} \
  53       %{static:-static}}} \
  54 %{mabi=n32:-melf32%{EB:b}%{EL:l}tsmipn32} \
  55 %{mabi=64:-melf64%{EB:b}%{EL:l}tsmip} \
  56 %{mabi=32:-melf32%{EB:b}%{EL:l}tsmip}"
  57
  58 #undef LOCAL_LABEL_PREFIX
  59 #define LOCAL_LABEL_PREFIX (TARGET_OLDABI ? "$" : ".")
  60
  61 /* The size in bytes of a DWARF field indicating an offset or length
  62    relative to a debug info section, specified to be 4 bytes in the DWARF-2
  63    specification.  The SGI/MIPS ABI defines it to be the same as PTR_SIZE.  */
  64 #define DWARF_OFFSET_SIZE PTR_SIZE
  65
  66 /* GNU/Linux doesn't use the same floating-point format that IRIX uses
  67    for long double.  There's no need to override this here, since
  68    ieee_quad_format is the default, but let's put this here to make
  69    sure nobody thinks we just forgot to set it to something else.  */
  70 #define MIPS_TFMODE_FORMAT mips_quad_format