131 lines
3.9 KiB
C
131 lines
3.9 KiB
C
/* Definitions for DEC Alpha/AXP running FreeBSD using the ELF format
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Copyright (C) 2000, 2002 Free Software Foundation, Inc.
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Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* $FreeBSD$ */
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/* Provide a FBSD_TARGET_CPU_CPP_BUILTINS and CPP_SPEC appropriate for
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FreeBSD/alpha. Besides the dealing with
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the GCC option `-posix', and PIC issues as on all FreeBSD platforms, we must
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deal with the Alpha's FP issues. */
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#undef FBSD_TARGET_CPU_CPP_BUILTINS
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#define FBSD_TARGET_CPU_CPP_BUILTINS() \
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do \
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{ \
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builtin_define ("__LP64__"); \
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if (flag_pic) \
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{ \
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builtin_define ("__PIC__"); \
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builtin_define ("__pic__"); \
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} \
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} \
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while (0)
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#undef CPP_SPEC
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#define CPP_SPEC "%(cpp_subtarget) %{posix:-D_POSIX_SOURCE}"
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#define LINK_SPEC "%{G*} %{relax:-relax} \
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%{p:%e`-p' not supported; use `-pg' and gprof(1)} \
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%{Wl,*:%*} \
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%{assert*} %{R*} %{rpath*} %{defsym*} \
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%{shared:-Bshareable %{h*} %{soname*}} \
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%{symbolic:-Bsymbolic} \
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%{!shared: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker /libexec/ld-elf.so.1}} \
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%{static:-Bstatic}}"
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/* Reset our STARTFILE_SPEC because of a moronic pigheaded
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Linuxism(glibc'ism) that was added to alpha/elf.h. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC FBSD_STARTFILE_SPEC
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/************************[ Target stuff ]***********************************/
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/* Define the actual types of some ANSI-mandated types.
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Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c,
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c-common.c, and config/<arch>/<arch>.h. */
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/* alpha.h gets this wrong for FreeBSD. We use the GCC defaults instead. */
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#undef WCHAR_TYPE
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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/* Handle cross-compilation on 32-bits machines (such as i386) for 64-bits
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machines (Alpha in this case). */
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#if defined(__i386__)
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#undef HOST_BITS_PER_LONG
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#define HOST_BITS_PER_LONG 32
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#undef HOST_WIDE_INT
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#define HOST_WIDE_INT long long
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#undef HOST_BITS_PER_WIDE_INT
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#define HOST_BITS_PER_WIDE_INT 64
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#endif
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/* This is the pseudo-op used to generate a 64-bit word of data with a
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specific value in some section. */
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (FreeBSD/Alpha ELF)");
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#define TARGET_ELF 1
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#undef OBJECT_FORMAT_COFF
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#undef EXTENDED_COFF
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS)
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#undef HAS_INIT_SECTION
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/* Show that we need a GP when profiling. */
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#undef TARGET_PROFILING_NEEDS_GP
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#define TARGET_PROFILING_NEEDS_GP 1
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/* We always use gas here, so we don't worry about ECOFF assembler problems. */
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#undef TARGET_GAS
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#define TARGET_GAS 1
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/************************[ Assembler stuff ]********************************/
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/************************[ Debugger stuff ]*********************************/
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/* This is the char to use for continuation (in case we need to turn
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continuation back on). */
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#undef DBX_CONTIN_CHAR
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#define DBX_CONTIN_CHAR '?'
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/* Don't default to pcc-struct-return, we want to retain compatibility with
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older FreeBSD releases AND pcc-struct-return may not be reentrant. */
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#undef DEFAULT_PCC_STRUCT_RETURN
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#define DEFAULT_PCC_STRUCT_RETURN 0
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