gcc/config/sparc/sp64-elf.h

   1 /* Definitions of target machine for GCC, for SPARC64, ELF.
   2    Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2004, 2005, 2007, 2010,
   3    2011
   4    Free Software Foundation, Inc.
   5    Contributed by Doug Evans, dje@cygnus.com.
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 3, or (at your option)
  12 any later version.
  13
  14 GCC is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC; see the file COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23 /* A 64 bit v9 compiler in a Medium/Anywhere code model environment.  */
  24 #undef TARGET_DEFAULT
  25 #define TARGET_DEFAULT \
  26 (MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_HARD_QUAD \
  27  + MASK_APP_REGS + MASK_FPU + MASK_STACK_BIAS + MASK_LONG_DOUBLE_128)
  28
  29 #undef SPARC_DEFAULT_CMODEL
  30 #define SPARC_DEFAULT_CMODEL CM_EMBMEDANY
  31
  32 /* Don't assume anything about the header files.  */
  33 #define NO_IMPLICIT_EXTERN_C
  34
  35 /* __svr4__ is used by the C library (FIXME) */
  36 #undef CPP_SUBTARGET_SPEC
  37 #define CPP_SUBTARGET_SPEC "-D__svr4__"
  38
  39 #undef ASM_SPEC
  40 #define ASM_SPEC "\
  41 -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
  42 %{mlittle-endian:-EL} \
  43 %(asm_cpu) %(asm_arch) \
  44 "
  45
  46 /* This is taken from sol2.h.  */
  47 #undef LINK_SPEC
  48 #define LINK_SPEC "\
  49 %{v:-V} \
  50 %{mlittle-endian:-EL} \
  51 "
  52
  53 #undef STARTFILE_SPEC
  54 #define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"
  55
  56 #undef ENDFILE_SPEC
  57 #define ENDFILE_SPEC \
  58   "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
  59    crtend.o%s crtn.o%s"
  60
  61 /* Use the default (for now).  */
  62 #undef LIB_SPEC
  63
  64 #undef BYTES_BIG_ENDIAN
  65 #define BYTES_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
  66
  67 #undef WORDS_BIG_ENDIAN
  68 #define WORDS_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
  69 \f
  70 #undef  LOCAL_LABEL_PREFIX
  71 #define LOCAL_LABEL_PREFIX  "."
  72
  73 /* This is how to store into the string LABEL
  74    the symbol_ref name of an internal numbered label where
  75    PREFIX is the class of label and NUM is the number within the class.
  76    This is suitable for output with `assemble_name'.  */
  77
  78 #undef  ASM_GENERATE_INTERNAL_LABEL
  79 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)   \
  80   sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
  81 \f
  82 /* ??? This should be 32 bits for v9 but what can we do?  */
  83 #undef WCHAR_TYPE
  84 #define WCHAR_TYPE "short unsigned int"
  85
  86 #undef WCHAR_TYPE_SIZE
  87 #define WCHAR_TYPE_SIZE 16
  88
  89 #undef LONG_DOUBLE_TYPE_SIZE
  90 #define LONG_DOUBLE_TYPE_SIZE 128