gcc/config/frv/linux.h

   1 /* Target macros for the FRV Linux port of GCC.
   2    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2010
   3    Free Software Foundation, Inc.
   4    Contributed by Red Hat Inc.
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 3, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    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 #ifndef __FRV_LINUX_H__
  23 #define __FRV_LINUX_H__
  24
  25 #undef SUBTARGET_DRIVER_SELF_SPECS
  26 #define SUBTARGET_DRIVER_SELF_SPECS \
  27   "%{!mno-fdpic:-mfdpic}",
  28
  29 #undef STARTFILE_SPEC
  30 #define STARTFILE_SPEC \
  31   "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
  32    crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
  33
  34 #undef ENDFILE_SPEC
  35 #define ENDFILE_SPEC \
  36   "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
  37
  38 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
  39
  40 #undef LINK_SPEC
  41 #define LINK_SPEC "\
  42   %{mfdpic: -m elf32frvfd -z text} %{shared} %{pie} \
  43   %{!shared: %{!static: \
  44    %{rdynamic:-export-dynamic} \
  45    -dynamic-linker " LINUX_DYNAMIC_LINKER "} \
  46    %{static}}"
  47
  48 /* Support for compile-time default CPU.  */
  49 #define OPTION_DEFAULT_SPECS \
  50   {"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }
  51
  52 /* Define OS-specific predefined preprocessor macros.  */
  53 #define TARGET_OS_CPP_BUILTINS()        \
  54   do {                                  \
  55     builtin_define ("__gnu_linux__");   \
  56     builtin_define_std ("linux");       \
  57     builtin_define_std ("unix");        \
  58     builtin_assert ("system=linux");    \
  59   } while (0)
  60
  61 #define HAS_INIT_SECTION 1
  62 #define INIT_SECTION_ASM_OP     "\t.section .init,\"ax\""
  63 #define FINI_SECTION_ASM_OP     "\t.section .fini,\"ax\""
  64
  65 #define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)      \
  66 asm (SECTION_OP); \
  67 asm ("ldi.p @(fp,4), gr15 ! call " #FUNC); \
  68 asm (TEXT_SECTION_ASM_OP);
  69
  70 #undef INVOKE__main
  71
  72 #undef Twrite
  73 #define Twrite __write
  74
  75 #endif /* __FRV_LINUX_H__ */