freebsd-dev/contrib/gcc/config/netbsd-elf.h
2004-07-28 03:11:36 +00:00

95 lines
3.1 KiB
C

/* Common configuration file for NetBSD ELF targets.
Copyright (C) 2002 Free Software Foundation, Inc.
Contributed by Wasabi Systems, 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. */
/* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets. */
#define NETBSD_OS_CPP_BUILTINS_ELF() \
do \
{ \
NETBSD_OS_CPP_BUILTINS_COMMON(); \
} \
while (0)
/* This defines which switch letters take arguments. On NetBSD, most
of the normal cases (defined by gcc.c) apply, and we also have -h*
and -z* options (for the linker) (coming from SVR4). */
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) \
(DEFAULT_SWITCH_TAKES_ARG (CHAR) \
|| (CHAR) == 'h' \
|| (CHAR) == 'z' \
|| (CHAR) == 'R')
/* Provide a STARTFILE_SPEC appropriate for NetBSD ELF. Here we
provide support for the special GCC option -static. On ELF
targets, we also add the crtbegin.o file, which provides part
of the support for getting C++ file-scope static objects
constructed before entering "main". */
#define NETBSD_STARTFILE_SPEC \
"%{!shared: \
%{pg:gcrt0%O%s} \
%{!pg: \
%{p:gcrt0%O%s} \
%{!p:crt0%O%s}}} \
%:if-exists(crti%O%s) \
%{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \
%{!static: \
%{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}}"
#undef STARTFILE_SPEC
#define STARTFILE_SPEC NETBSD_STARTFILE_SPEC
/* Provide an ENDFILE_SPEC appropriate for NetBSD ELF. Here we
add crtend.o, which provides part of the support for getting
C++ file-scope static objects deconstructed after exiting "main". */
#define NETBSD_ENDFILE_SPEC \
"%{!shared:crtend%O%s} %{shared:crtendS%O%s} \
%:if-exists(crtn%O%s)"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC NETBSD_ENDFILE_SPEC
/* Provide a LINK_SPEC appropriate for NetBSD ELF. Here we provide
support for the special GCC options -assert, -R, -rpath, -shared,
-nostdlib, -static, -rdynamic, and -dynamic-linker.
Target-specific code can use this in conjunction with any other
target-specific LINK_SPEC options.
Target-specific code must provide the %(netbsd_entry_point) spec. */
#define NETBSD_LINK_SPEC_ELF \
"%{assert*} %{R*} %{rpath*} \
%{shared:-shared} \
%{!shared: \
-dc -dp \
%{!nostdlib: \
%{!r*: \
%{!e*:-e %(netbsd_entry_point)}}} \
%{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
%{static:-static}}"