openbsd64.h

linux下的gcc编译器

/* Configuration file for sparc64 OpenBSD target.
   Copyright (C) 1999 Free Software Foundation, Inc.

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 2, 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 COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (sparc64 OpenBSD ELF)")

/* XXX - do we really want HARD_QUAD? */
#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_MEDMID

/* Run-time target specifications.  */
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-D__unix__ -D__sparc__ -D__sparc64__ -D__sparcv9__ -D__sparc_v9__ -D__arch64__ -D__ELF__ -D__OpenBSD__ -Asystem(unix) -Asystem(OpenBSD) -Acpu(sparc) -Amachine(sparc)"

#undef CPP_SUBTARGET_SPEC
#define CPP_SUBTARGET_SPEC ""

#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX

#undef ASM_SPEC
#define ASM_SPEC "\
%{v:-V} -s %{fpic:-K PIC} %{fPIC:-K PIC} \
%{mlittle-endian:-EL} \
%(asm_cpu) %(asm_arch) \
"

/* Layout of source language data types.  */
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"

#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32

#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 128

#undef LINK_SPEC
#define LINK_SPEC \
  "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \
   %{shared:-shared} %{R*} \
   %{static:-Bstatic} \
   %{!static:-Bdynamic} \
   %{assert*} \
   %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}"

/* As an elf system, we need crtbegin/crtend stuff.  */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "\
        %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
        crtbegin%O%s} %{shared:crtbeginS%O%s}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"