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/* Definitions of target machine for GNU compiler,
for x86-64/ELF NetBSD systems.
Copyright (C) 2002 Free Software Foundation, Inc.
Contributed by Wasabi Systems, Inc.
This file is part of GNU CC.
GNU CC 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.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Provide a LINK_SPEC appropriate for a NetBSD/x86-64 ELF target.
This is a copy of LINK_SPEC from <netbsd-elf.h> tweaked for
the x86-64 target. */
#undef LINK_SPEC
#define LINK_SPEC \
"%{!m32:-m elf_x86_64} \
%{m32:-m elf_i386} \
%{assert*} %{R*} \
%{shared:-shared} \
%{!shared: \
-dc -dp \
%{!nostdlib: \
%{!r*: \
%{!e*:-e _start}}} \
%{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
%{static:-static}}"
/* Names to predefine in the preprocessor for this target machine. */
#define CPP_PREDEFINES \
"-D__NetBSD__ -D__ELF__ -Asystem=unix -Asystem=NetBSD"
/* Provide some extra CPP specs needed by NetBSD/x86_64. */
#define CPP_LP64_SPEC "%{!m32:-D_LP64}"
#define CPP_SUBTARGET_SPEC "%(cpp_lp64)"
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "cpp_lp64", CPP_LP64_SPEC }, \
{ "cpp_subtarget", CPP_SUBTARGET_SPEC },
/* Provide a CPP_SPEC appropriate for NetBSD. Currently we deal with
our subtarget specs and the GCC option `-posix'. */
#undef CPP_SPEC
#define CPP_SPEC "%(cpp_cpu) %(cpp_subtarget) %{posix:-D_POSIX_SOURCE}"
/* Output assembler code to FILE to call the profiler. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
{ \
if (TARGET_64BIT && flag_pic) \
fprintf (FILE, "\tcall *__mcount@PLT\n"); \
else if (flag_pic) \
fprintf (FILE, "\tcall *__mcount@PLT\n"); \
else \
fprintf (FILE, "\tcall __mcount\n"); \
}
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (NetBSD/x86_64 ELF)");
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