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/* Common configuration file for NetBSD ELF targets.
Copyright (C) 2002-2022 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 3, 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 COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets. */
#define NETBSD_OS_CPP_BUILTINS_ELF() \
do \
{ \
NETBSD_OS_CPP_BUILTINS_COMMON(); \
} \
while (0)
/* 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: \
%{!pie:crtbegin%O%s} \
%{pie:crtbeginS%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: \
%{!pie:crtend%O%s} \
%{pie:crtendS%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_LD_ELF_SO_SPEC \
"%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}"
#define NETBSD_LINK_SPEC_ELF \
"%{assert*} %{R*} %{rpath*} \
%{shared:-shared} \
%{symbolic:-Bsymbolic} \
%{!shared: \
-dc -dp \
%{!nostdlib: \
%{!r: \
%{!e*:-e %(netbsd_entry_point)}}} \
%{!static: \
%{rdynamic:-export-dynamic} \
-dynamic-linker /usr/libexec/ld.elf_so} \
%{static:-static}}"
/* Provide the standard list of subtarget extra specs for NetBSD targets. */
#define NETBSD_SUBTARGET_EXTRA_SPECS \
{ "netbsd_link_ld_elf_so", NETBSD_LINK_LD_ELF_SO_SPEC }, \
{ "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
{ "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
{ "netbsd_entry_point", NETBSD_ENTRY_POINT }, \
{ "netbsd_endfile_spec", NETBSD_ENDFILE_SPEC },
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS NETBSD_SUBTARGET_EXTRA_SPECS
/* Use --as-needed -lgcc_s for eh support. */
#ifdef HAVE_LD_AS_NEEDED
#define USE_LD_AS_NEEDED 1
#endif
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