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/* Definitions for DEC Alpha/AXP running FreeBSD using the ELF format
Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
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. */
/* $FreeBSD$ */
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
/* Provide a FBSD_TARGET_CPU_CPP_BUILTINS and CPP_SPEC appropriate for
FreeBSD/alpha. Besides the dealing with
the GCC option `-posix', and PIC issues as on all FreeBSD platforms, we must
deal with the Alpha's FP issues. */
#undef FBSD_TARGET_CPU_CPP_BUILTINS
#define FBSD_TARGET_CPU_CPP_BUILTINS() \
do \
{ \
builtin_define ("__LP64__"); \
if (flag_pic) \
{ \
builtin_define ("__PIC__"); \
builtin_define ("__pic__"); \
} \
} \
while (0)
#undef CPP_SPEC
#define CPP_SPEC "%(cpp_subtarget) %{posix:-D_POSIX_SOURCE}"
#define LINK_SPEC "%{G*} %{relax:-relax} \
%{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
%{Wl,*:%*} \
%{assert*} %{R*} %{rpath*} %{defsym*} \
%{shared:-Bshareable %{h*} %{soname*}} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
%{static:-Bstatic}} \
%{symbolic:-Bsymbolic}"
/* Reset our STARTFILE_SPEC because of a moronic pigheaded
Linuxism(glibc'ism) that was added to alpha/elf.h. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC FBSD_STARTFILE_SPEC
/************************[ Target stuff ]***********************************/
/* Define the actual types of some ANSI-mandated types.
Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c,
c-common.c, and config/<arch>/<arch>.h. */
/* alpha.h gets this wrong for FreeBSD. We use the GCC defaults instead. */
#undef WCHAR_TYPE
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* Handle cross-compilation on 32-bits machines (such as i386) for 64-bits
machines (Alpha in this case). */
#if defined(__i386__)
#undef HOST_BITS_PER_LONG
#define HOST_BITS_PER_LONG 32
#undef HOST_WIDE_INT
#define HOST_WIDE_INT long long
#undef HOST_BITS_PER_WIDE_INT
#define HOST_BITS_PER_WIDE_INT 64
#endif
/* This is the pseudo-op used to generate a 64-bit word of data with a
specific value in some section. */
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (FreeBSD/Alpha ELF)");
#define TARGET_ELF 1
#undef OBJECT_FORMAT_COFF
#undef EXTENDED_COFF
#undef TARGET_DEFAULT
#define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS)
#undef HAS_INIT_SECTION
/* Show that we need a GP when profiling. */
#undef TARGET_PROFILING_NEEDS_GP
#define TARGET_PROFILING_NEEDS_GP 1
/* We always use gas here, so we don't worry about ECOFF assembler problems. */
#undef TARGET_GAS
#define TARGET_GAS 1
/************************[ Assembler stuff ]********************************/
/************************[ Debugger stuff ]*********************************/
/* This is the char to use for continuation (in case we need to turn
continuation back on). */
#undef DBX_CONTIN_CHAR
#define DBX_CONTIN_CHAR '?'
/* Don't default to pcc-struct-return, we want to retain compatibility with
older FreeBSD releases AND pcc-struct-return may not be reentrant. */
#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 0
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