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f982f805 | 1 | /* Common configuration file for NetBSD ELF targets. |
a5544970 | 2 | Copyright (C) 2002-2019 Free Software Foundation, Inc. |
f982f805 JT |
3 | Contributed by Wasabi Systems, Inc. |
4 | ||
7ec022b2 | 5 | This file is part of GCC. |
f982f805 | 6 | |
7ec022b2 | 7 | GCC is free software; you can redistribute it and/or modify |
f982f805 | 8 | it under the terms of the GNU General Public License as published by |
2f83c7d6 | 9 | the Free Software Foundation; either version 3, or (at your option) |
f982f805 JT |
10 | any later version. |
11 | ||
7ec022b2 | 12 | GCC is distributed in the hope that it will be useful, |
f982f805 JT |
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 | |
2f83c7d6 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
f982f805 | 20 | |
52f4fff6 JT |
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(); \ | |
52f4fff6 JT |
26 | } \ |
27 | while (0) | |
f982f805 | 28 | |
f982f805 JT |
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 | ||
1ebe8c03 | 35 | #define NETBSD_STARTFILE_SPEC \ |
f982f805 JT |
36 | "%{!shared: \ |
37 | %{pg:gcrt0%O%s} \ | |
38 | %{!pg: \ | |
39 | %{p:gcrt0%O%s} \ | |
40 | %{!p:crt0%O%s}}} \ | |
f3226a90 | 41 | %:if-exists(crti%O%s) \ |
152a5a9c | 42 | %{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \ |
a0f503a0 MR |
43 | %{!static: \ |
44 | %{!shared: \ | |
45 | %{!pie:crtbegin%O%s} \ | |
46 | %{pie:crtbeginS%O%s}} \ | |
47 | %{shared:crtbeginS%O%s}}" | |
f982f805 | 48 | |
1ebe8c03 JT |
49 | #undef STARTFILE_SPEC |
50 | #define STARTFILE_SPEC NETBSD_STARTFILE_SPEC | |
51 | ||
f982f805 JT |
52 | |
53 | /* Provide an ENDFILE_SPEC appropriate for NetBSD ELF. Here we | |
54 | add crtend.o, which provides part of the support for getting | |
55 | C++ file-scope static objects deconstructed after exiting "main". */ | |
56 | ||
1ebe8c03 | 57 | #define NETBSD_ENDFILE_SPEC \ |
a0f503a0 MR |
58 | "%{!shared: \ |
59 | %{!pie:crtend%O%s} \ | |
60 | %{pie:crtendS%O%s}} \ | |
61 | %{shared:crtendS%O%s} \ | |
f3226a90 | 62 | %:if-exists(crtn%O%s)" |
f982f805 | 63 | |
1ebe8c03 JT |
64 | #undef ENDFILE_SPEC |
65 | #define ENDFILE_SPEC NETBSD_ENDFILE_SPEC | |
f982f805 JT |
66 | |
67 | /* Provide a LINK_SPEC appropriate for NetBSD ELF. Here we provide | |
68 | support for the special GCC options -assert, -R, -rpath, -shared, | |
6bb5d2e7 JT |
69 | -nostdlib, -static, -rdynamic, and -dynamic-linker. |
70 | ||
71 | Target-specific code can use this in conjunction with any other | |
72 | target-specific LINK_SPEC options. | |
73 | ||
74 | Target-specific code must provide the %(netbsd_entry_point) spec. */ | |
75 | ||
b27c1082 MT |
76 | #define NETBSD_LINK_LD_ELF_SO_SPEC \ |
77 | "%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}" | |
78 | ||
6bb5d2e7 JT |
79 | #define NETBSD_LINK_SPEC_ELF \ |
80 | "%{assert*} %{R*} %{rpath*} \ | |
81 | %{shared:-shared} \ | |
12a87083 | 82 | %{symbolic:-Bsymbolic} \ |
6bb5d2e7 JT |
83 | %{!shared: \ |
84 | -dc -dp \ | |
85 | %{!nostdlib: \ | |
7aed7dfc | 86 | %{!r: \ |
6bb5d2e7 JT |
87 | %{!e*:-e %(netbsd_entry_point)}}} \ |
88 | %{!static: \ | |
89 | %{rdynamic:-export-dynamic} \ | |
e59dabd2 | 90 | -dynamic-linker /usr/libexec/ld.elf_so} \ |
f982f805 | 91 | %{static:-static}}" |
4392a547 | 92 | |
b27c1082 MT |
93 | /* Provide the standard list of subtarget extra specs for NetBSD targets. */ |
94 | #define NETBSD_SUBTARGET_EXTRA_SPECS \ | |
95 | { "netbsd_link_ld_elf_so", NETBSD_LINK_LD_ELF_SO_SPEC }, \ | |
96 | { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \ | |
97 | { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \ | |
98 | { "netbsd_entry_point", NETBSD_ENTRY_POINT }, \ | |
99 | { "netbsd_endfile_spec", NETBSD_ENDFILE_SPEC }, | |
100 | ||
101 | #undef SUBTARGET_EXTRA_SPECS | |
102 | #define SUBTARGET_EXTRA_SPECS NETBSD_SUBTARGET_EXTRA_SPECS | |
103 | ||
4392a547 KW |
104 | /* Use --as-needed -lgcc_s for eh support. */ |
105 | #ifdef HAVE_LD_AS_NEEDED | |
106 | #define USE_LD_AS_NEEDED 1 | |
107 | #endif |