1/* Common configuration file for NetBSD ELF targets. 2 Copyright (C) 2002 Free Software Foundation, Inc. 3 Contributed by Wasabi Systems, Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GCC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING. If not, write to 19the Free Software Foundation, 51 Franklin Street, Fifth Floor, 20Boston, MA 02110-1301, USA. */ 21 22/* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets. */ 23#define NETBSD_OS_CPP_BUILTINS_ELF() \ 24 do \ 25 { \ 26 NETBSD_OS_CPP_BUILTINS_COMMON(); \ 27 } \ 28 while (0) 29 30/* This defines which switch letters take arguments. On NetBSD, most 31 of the normal cases (defined by gcc.c) apply, and we also have -h* 32 and -z* options (for the linker) (coming from SVR4). */ 33 34#undef SWITCH_TAKES_ARG 35#define SWITCH_TAKES_ARG(CHAR) \ 36 (DEFAULT_SWITCH_TAKES_ARG (CHAR) \ 37 || (CHAR) == 'h' \ 38 || (CHAR) == 'z' \ 39 || (CHAR) == 'R') 40 41 42/* Provide a STARTFILE_SPEC appropriate for NetBSD ELF. Here we 43 provide support for the special GCC option -static. On ELF 44 targets, we also add the crtbegin.o file, which provides part 45 of the support for getting C++ file-scope static objects 46 constructed before entering "main". */ 47 48#define NETBSD_STARTFILE_SPEC \ 49 "%{!shared: \ 50 %{pg:gcrt0%O%s} \ 51 %{!pg: \ 52 %{p:gcrt0%O%s} \ 53 %{!p:crt0%O%s}}} \ 54 %:if-exists(crti%O%s) \ 55 %{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \ 56 %{!static: \ 57 %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}}" 58 59#undef STARTFILE_SPEC 60#define STARTFILE_SPEC NETBSD_STARTFILE_SPEC 61 62 63/* Provide an ENDFILE_SPEC appropriate for NetBSD ELF. Here we 64 add crtend.o, which provides part of the support for getting 65 C++ file-scope static objects deconstructed after exiting "main". */ 66 67#define NETBSD_ENDFILE_SPEC \ 68 "%{!shared:crtend%O%s} %{shared:crtendS%O%s} \ 69 %:if-exists(crtn%O%s)" 70 71#undef ENDFILE_SPEC 72#define ENDFILE_SPEC NETBSD_ENDFILE_SPEC 73 74/* Provide a LINK_SPEC appropriate for NetBSD ELF. Here we provide 75 support for the special GCC options -assert, -R, -rpath, -shared, 76 -nostdlib, -static, -rdynamic, and -dynamic-linker. 77 78 Target-specific code can use this in conjunction with any other 79 target-specific LINK_SPEC options. 80 81 Target-specific code must provide the %(netbsd_entry_point) spec. */ 82 83#define NETBSD_LINK_SPEC_ELF \ 84 "%{assert*} %{R*} %{rpath*} \ 85 %{shared:-shared} \ 86 %{!shared: \ 87 -dc -dp \ 88 %{!nostdlib: \ 89 %{!r*: \ 90 %{!e*:-e %(netbsd_entry_point)}}} \ 91 %{!static: \ 92 %{rdynamic:-export-dynamic} \ 93 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \ 94 %{static:-static}}" 95