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, 2006, 2007, 2008, 2010, 2011
   4    Free Software Foundation, Inc.
   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 /* Force the default endianness and ABI flags onto the command line
  23    in order to make the other specs easier to write.  */
  24 #undef DRIVER_SELF_SPECS
  25 #define DRIVER_SELF_SPECS \
  26   BASE_DRIVER_SELF_SPECS, \
  27   LINUX_DRIVER_SELF_SPECS \
  28   " %{!EB:%{!EL:%(endian_spec)}}" \
  29   " %{!mabi=*: -mabi=n32}"
  30
  31 #undef LIB_SPEC
  32 #define LIB_SPEC "\
  33 %{pthread:-lpthread} \
  34 %{shared:-lc} \
  35 %{!shared: \
  36   %{profile:-lc_p} %{!profile:-lc}}"
  37
  38 #define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
  39 #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld.so.1"
  40 #define GLIBC_DYNAMIC_LINKERN32 "/lib32/ld.so.1"
  41 #define UCLIBC_DYNAMIC_LINKERN32 "/lib32/ld-uClibc.so.0"
  42 #define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32"
  43 #define GNU_USER_DYNAMIC_LINKERN32 \
  44   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \
  45                          BIONIC_DYNAMIC_LINKERN32)
  46
  47 #undef LINK_SPEC
  48 #define LINK_SPEC "\
  49 %{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \
  50 %{shared} \
  51  %(endian_spec) \
  52   %{!shared: \
  53     %{!static: \
  54       %{rdynamic:-export-dynamic} \
  55       %{mabi=n32: -dynamic-linker " GNU_USER_DYNAMIC_LINKERN32 "} \
  56       %{mabi=64: -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \
  57       %{mabi=32: -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \
  58     %{static:-static}} \
  59 %{mabi=n32:-melf32%{EB:b}%{EL:l}tsmipn32} \
  60 %{mabi=64:-melf64%{EB:b}%{EL:l}tsmip} \
  61 %{mabi=32:-melf32%{EB:b}%{EL:l}tsmip}"
  62
  63 #undef LOCAL_LABEL_PREFIX
  64 #define LOCAL_LABEL_PREFIX (TARGET_OLDABI ? "$" : ".")
  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