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4ace673e | 1 | /* Common configuration file for NetBSD ELF targets. |
f1717362 | 2 | Copyright (C) 2002-2016 Free Software Foundation, Inc. |
4ace673e | 3 | Contributed by Wasabi Systems, Inc. |
4 | ||
187b36cf | 5 | This file is part of GCC. |
4ace673e | 6 | |
187b36cf | 7 | GCC is free software; you can redistribute it and/or modify |
4ace673e | 8 | it under the terms of the GNU General Public License as published by |
038d1e19 | 9 | the Free Software Foundation; either version 3, or (at your option) |
4ace673e | 10 | any later version. |
11 | ||
187b36cf | 12 | GCC is distributed in the hope that it will be useful, |
4ace673e | 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
038d1e19 | 18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
4ace673e | 20 | |
65c9b105 | 21 | /* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets. */ |
22 | #define NETBSD_OS_CPP_BUILTINS_ELF() \ | |
23 | do \ | |
24 | { \ | |
25 | NETBSD_OS_CPP_BUILTINS_COMMON(); \ | |
65c9b105 | 26 | } \ |
27 | while (0) | |
4ace673e | 28 | |
4ace673e | 29 | /* Provide a STARTFILE_SPEC appropriate for NetBSD ELF. Here we |
30 | provide support for the special GCC option -static. On ELF | |
31 | targets, we also add the crtbegin.o file, which provides part | |
32 | of the support for getting C++ file-scope static objects | |
33 | constructed before entering "main". */ | |
34 | ||
9c7f893c | 35 | #define NETBSD_STARTFILE_SPEC \ |
4ace673e | 36 | "%{!shared: \ |
37 | %{pg:gcrt0%O%s} \ | |
38 | %{!pg: \ | |
39 | %{p:gcrt0%O%s} \ | |
40 | %{!p:crt0%O%s}}} \ | |
c21b3276 | 41 | %:if-exists(crti%O%s) \ |
68d74c02 | 42 | %{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \ |
43 | %{!static: \ | |
44 | %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}}" | |
4ace673e | 45 | |
9c7f893c | 46 | #undef STARTFILE_SPEC |
47 | #define STARTFILE_SPEC NETBSD_STARTFILE_SPEC | |
48 | ||
4ace673e | 49 | |
50 | /* Provide an ENDFILE_SPEC appropriate for NetBSD ELF. Here we | |
51 | add crtend.o, which provides part of the support for getting | |
52 | C++ file-scope static objects deconstructed after exiting "main". */ | |
53 | ||
9c7f893c | 54 | #define NETBSD_ENDFILE_SPEC \ |
c21b3276 | 55 | "%{!shared:crtend%O%s} %{shared:crtendS%O%s} \ |
56 | %:if-exists(crtn%O%s)" | |
4ace673e | 57 | |
9c7f893c | 58 | #undef ENDFILE_SPEC |
59 | #define ENDFILE_SPEC NETBSD_ENDFILE_SPEC | |
4ace673e | 60 | |
61 | /* Provide a LINK_SPEC appropriate for NetBSD ELF. Here we provide | |
62 | support for the special GCC options -assert, -R, -rpath, -shared, | |
5d219ecb | 63 | -nostdlib, -static, -rdynamic, and -dynamic-linker. |
64 | ||
65 | Target-specific code can use this in conjunction with any other | |
66 | target-specific LINK_SPEC options. | |
67 | ||
68 | Target-specific code must provide the %(netbsd_entry_point) spec. */ | |
69 | ||
70 | #define NETBSD_LINK_SPEC_ELF \ | |
71 | "%{assert*} %{R*} %{rpath*} \ | |
72 | %{shared:-shared} \ | |
beb0dd83 | 73 | %{symbolic:-Bsymbolic} \ |
5d219ecb | 74 | %{!shared: \ |
75 | -dc -dp \ | |
76 | %{!nostdlib: \ | |
66dc2261 | 77 | %{!r: \ |
5d219ecb | 78 | %{!e*:-e %(netbsd_entry_point)}}} \ |
79 | %{!static: \ | |
80 | %{rdynamic:-export-dynamic} \ | |
7db2469c | 81 | -dynamic-linker /usr/libexec/ld.elf_so} \ |
4ace673e | 82 | %{static:-static}}" |
d7b60d9d | 83 | |
84 | /* Use --as-needed -lgcc_s for eh support. */ | |
85 | #ifdef HAVE_LD_AS_NEEDED | |
86 | #define USE_LD_AS_NEEDED 1 | |
87 | #endif |