Subversion Repositories openrisc_2011-10-31

/* Definitions of target machine for GCC, for SPARC64, ELF.

   Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2004, 2005, 2007

   Free Software Foundation, Inc.

   Contributed by Doug Evans, dje@cygnus.com.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3, or (at your option)

any later version.

GCC is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

#undef TARGET_VERSION

#define TARGET_VERSION fprintf (stderr, " (sparc64-elf)")

/* A 64 bit v9 compiler in a Medium/Anywhere code model environment.  */

#undef TARGET_DEFAULT

#define TARGET_DEFAULT \

(MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_HARD_QUAD \

 + MASK_APP_REGS + MASK_FPU + MASK_STACK_BIAS + MASK_LONG_DOUBLE_128)

#undef SPARC_DEFAULT_CMODEL

#define SPARC_DEFAULT_CMODEL CM_EMBMEDANY

/* Don't assume anything about the header files.  */

#define NO_IMPLICIT_EXTERN_C

/* __svr4__ is used by the C library (FIXME) */

#undef CPP_SUBTARGET_SPEC

#define CPP_SUBTARGET_SPEC "-D__svr4__"

#undef MD_EXEC_PREFIX

#undef MD_STARTFILE_PREFIX

#undef ASM_SPEC

#define ASM_SPEC "\

%{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \

%{mlittle-endian:-EL} \

%(asm_cpu) %(asm_arch) \

"

/* This is taken from sol2.h.  */

#undef LINK_SPEC

#define LINK_SPEC "\

%{v:-V} \

%{mlittle-endian:-EL} \

"

/* We need something a little simpler for the embedded environment.

   Profiling doesn't really work yet so we just copy the default.  */

#undef STARTFILE_SPEC

#define STARTFILE_SPEC "\

%{!shared:%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}} \

crtbegin.o%s \

"

#undef ENDFILE_SPEC

#define ENDFILE_SPEC \

  "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \

   crtend.o%s"

/* Use the default (for now).  */

#undef LIB_SPEC

/* This defines which switch letters take arguments.

   It is as in svr4.h but with -R added.  */

#undef SWITCH_TAKES_ARG

#define SWITCH_TAKES_ARG(CHAR) \

  (DEFAULT_SWITCH_TAKES_ARG(CHAR) \

   || (CHAR) == 'R' \

   || (CHAR) == 'h' \

   || (CHAR) == 'z')

#undef BYTES_BIG_ENDIAN

#define BYTES_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)

#undef WORDS_BIG_ENDIAN

#define WORDS_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)

#undef  LOCAL_LABEL_PREFIX

#define LOCAL_LABEL_PREFIX  "."

/* This is how to store into the string LABEL

   the symbol_ref name of an internal numbered label where

   PREFIX is the class of label and NUM is the number within the class.

   This is suitable for output with `assemble_name'.  */

#undef  ASM_GENERATE_INTERNAL_LABEL

#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)   \

  sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))

/* ??? This should be 32 bits for v9 but what can we do?  */

#undef WCHAR_TYPE

#define WCHAR_TYPE "short unsigned int"

#undef WCHAR_TYPE_SIZE

#define WCHAR_TYPE_SIZE 16

#undef LONG_DOUBLE_TYPE_SIZE

#define LONG_DOUBLE_TYPE_SIZE 128