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 /* We need something a little simpler for the embedded environment.
  54    Profiling doesn't really work yet so we just copy the default.  */
  55 #undef STARTFILE_SPEC
  56 #define STARTFILE_SPEC "\
  57 %{!shared:%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}} \
  58 crtbegin.o%s \
  59 "
  60
  61 #undef ENDFILE_SPEC
  62 #define ENDFILE_SPEC \
  63   "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
  64    crtend.o%s"
  65
  66 /* Use the default (for now).  */
  67 #undef LIB_SPEC
  68
  69 #undef BYTES_BIG_ENDIAN
  70 #define BYTES_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
  71
  72 #undef WORDS_BIG_ENDIAN
  73 #define WORDS_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
  74 \f
  75 #undef  LOCAL_LABEL_PREFIX
  76 #define LOCAL_LABEL_PREFIX  "."
  77
  78 /* This is how to store into the string LABEL
  79    the symbol_ref name of an internal numbered label where
  80    PREFIX is the class of label and NUM is the number within the class.
  81    This is suitable for output with `assemble_name'.  */
  82
  83 #undef  ASM_GENERATE_INTERNAL_LABEL
  84 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)   \
  85   sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
  86 \f
  87 /* ??? This should be 32 bits for v9 but what can we do?  */
  88 #undef WCHAR_TYPE
  89 #define WCHAR_TYPE "short unsigned int"
  90
  91 #undef WCHAR_TYPE_SIZE
  92 #define WCHAR_TYPE_SIZE 16
  93
  94 #undef LONG_DOUBLE_TYPE_SIZE
  95 #define LONG_DOUBLE_TYPE_SIZE 128