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julius |
/* Common configuration file for NetBSD ELF targets.
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Copyright (C) 2002, 2007 Free Software Foundation, Inc.
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Contributed by Wasabi Systems, Inc.
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This file is part of GCC.
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GCC 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 3, or (at your option)
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any later version.
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GCC 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 GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets. */
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#define NETBSD_OS_CPP_BUILTINS_ELF() \
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do \
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{ \
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NETBSD_OS_CPP_BUILTINS_COMMON(); \
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} \
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while (0)
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/* This defines which switch letters take arguments. On NetBSD, most
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of the normal cases (defined by gcc.c) apply, and we also have -h*
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and -z* options (for the linker) (coming from SVR4). */
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#undef SWITCH_TAKES_ARG
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#define SWITCH_TAKES_ARG(CHAR) \
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(DEFAULT_SWITCH_TAKES_ARG (CHAR) \
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|| (CHAR) == 'h' \
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|| (CHAR) == 'z' \
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|| (CHAR) == 'R')
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/* Provide a STARTFILE_SPEC appropriate for NetBSD ELF. Here we
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provide support for the special GCC option -static. On ELF
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targets, we also add the crtbegin.o file, which provides part
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of the support for getting C++ file-scope static objects
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constructed before entering "main". */
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#define NETBSD_STARTFILE_SPEC \
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"%{!shared: \
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%{pg:gcrt0%O%s} \
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%{!pg: \
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%{p:gcrt0%O%s} \
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%{!p:crt0%O%s}}} \
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%:if-exists(crti%O%s) \
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%{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \
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%{!static: \
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%{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}}"
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC NETBSD_STARTFILE_SPEC
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/* Provide an ENDFILE_SPEC appropriate for NetBSD ELF. Here we
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add crtend.o, which provides part of the support for getting
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C++ file-scope static objects deconstructed after exiting "main". */
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#define NETBSD_ENDFILE_SPEC \
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"%{!shared:crtend%O%s} %{shared:crtendS%O%s} \
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%:if-exists(crtn%O%s)"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC NETBSD_ENDFILE_SPEC
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/* Provide a LINK_SPEC appropriate for NetBSD ELF. Here we provide
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support for the special GCC options -assert, -R, -rpath, -shared,
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-nostdlib, -static, -rdynamic, and -dynamic-linker.
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Target-specific code can use this in conjunction with any other
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target-specific LINK_SPEC options.
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Target-specific code must provide the %(netbsd_entry_point) spec. */
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#define NETBSD_LINK_SPEC_ELF \
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"%{assert*} %{R*} %{rpath*} \
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%{shared:-shared} \
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%{!shared: \
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-dc -dp \
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%{!nostdlib: \
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%{!r*: \
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%{!e*:-e %(netbsd_entry_point)}}} \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
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%{static:-static}}"
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