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comparison gcc/config/alpha/netbsd.h @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 04ced10e8804
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-1:000000000000 0:a06113de4d67
1 /* Definitions of target machine for GNU compiler,
2 for Alpha NetBSD systems.
3 Copyright (C) 1998, 2002, 2003, 2004, 2005, 2007
4 Free Software Foundation, Inc.
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
11 any later version.
12
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
21
22 #undef TARGET_DEFAULT
23 #define TARGET_DEFAULT (MASK_FPREGS | MASK_GAS)
24
25 #define TARGET_OS_CPP_BUILTINS() \
26 do { \
27 NETBSD_OS_CPP_BUILTINS_ELF(); \
28 } while (0)
29
30
31 /* NetBSD doesn't use the LANGUAGE* built-ins. */
32 #undef SUBTARGET_LANGUAGE_CPP_BUILTINS
33 #define SUBTARGET_LANGUAGE_CPP_BUILTINS() /* nothing */
34
35
36 /* Show that we need a GP when profiling. */
37 #undef TARGET_PROFILING_NEEDS_GP
38 #define TARGET_PROFILING_NEEDS_GP 1
39
40
41 /* Provide a CPP_SPEC appropriate for NetBSD/alpha. We use
42 this to pull in CPP specs that all NetBSD configurations need. */
43
44 #undef CPP_SPEC
45 #define CPP_SPEC NETBSD_CPP_SPEC
46
47 #undef EXTRA_SPECS
48 #define EXTRA_SPECS \
49 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
50 { "netbsd_entry_point", NETBSD_ENTRY_POINT }, \
51 { "netbsd_endfile_spec", NETBSD_ENDFILE_SPEC },
52
53
54 /* Provide a LINK_SPEC appropriate for a NetBSD/alpha ELF target. */
55
56 #undef LINK_SPEC
57 #define LINK_SPEC \
58 "%{G*} %{relax:-relax} \
59 %{O*:-O3} %{!O*:-O1} \
60 %(netbsd_link_spec)"
61
62 #define NETBSD_ENTRY_POINT "__start"
63
64
65 /* Provide an ENDFILE_SPEC appropriate for NetBSD/alpha ELF. Here we
66 add crtend.o, which provides part of the support for getting
67 C++ file-scope static objects deconstructed after exiting "main".
68
69 We also need to handle the GCC option `-ffast-math'. */
70
71 #undef ENDFILE_SPEC
72 #define ENDFILE_SPEC \
73 "%{ffast-math|funsafe-math-optimizations:crtfm%O%s} \
74 %(netbsd_endfile_spec)"
75
76
77 /* Attempt to enable execute permissions on the stack. */
78
79 #define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
80
81
82 #undef TARGET_VERSION
83 #define TARGET_VERSION fprintf (stderr, " (NetBSD/alpha ELF)");