| /* Common configuration file for NetBSD ELF targets. |
| Copyright (C) 2002-2021 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 |