git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 9d654bba RH |
1 | /* Definitions of target machine for GNU compiler, |
| 2 | for Alpha NetBSD systems. | |
| f982f805 | 3 | Copyright (C) 1998, 2002 Free Software Foundation, Inc. |
| 9d654bba RH |
4 | |
| 5 | This file is part of GNU CC. | |
| 6 | ||
| 7 | GNU CC is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 2, or (at your option) | |
| 10 | any later version. | |
| 11 | ||
| 12 | GNU CC is distributed in the hope that it will be useful, | |
| 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 | |
| 18 | along with GNU CC; see the file COPYING. If not, write to | |
| 5f38fdda JL |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ | |
| 9d654bba RH |
21 | |
| 22 | #undef TARGET_DEFAULT | |
| 23 | #define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS) | |
| 24 | ||
| 12a41c22 NB |
25 | #define TARGET_OS_CPP_BUILTINS() \ |
| 26 | do { \ | |
| 53a428b5 JT |
27 | NETBSD_OS_CPP_BUILTINS_ELF(); \ |
| 28 | NETBSD_OS_CPP_BUILTINS_LP64(); \ | |
| 12a41c22 | 29 | } while (0) |
| 9d654bba | 30 | |
| 55f49e3d JT |
31 | |
| 32 | /* NetBSD doesn't use the LANGUAGE* built-ins. */ | |
| 33 | #undef SUBTARGET_LANGUAGE_CPP_BUILTINS | |
| 34 | #define SUBTARGET_LANGUAGE_CPP_BUILTINS() /* nothing */ | |
| 35 | ||
| 36 | ||
| 9d654bba | 37 | /* Show that we need a GP when profiling. */ |
| 4f1c5cce RH |
38 | #undef TARGET_PROFILING_NEEDS_GP |
| 39 | #define TARGET_PROFILING_NEEDS_GP 1 | |
| f982f805 JT |
40 | |
| 41 | ||
| 53a428b5 JT |
42 | /* Provide a CPP_SUBTARGET_SPEC appropriate for NetBSD/alpha. We use |
| 43 | this to pull in CPP specs that all NetBSD configurations need. */ | |
| 44 | ||
| 45 | #undef CPP_SUBTARGET_SPEC | |
| 46 | #define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)" | |
| 47 | ||
| 48 | #undef SUBTARGET_EXTRA_SPECS | |
| 49 | #define SUBTARGET_EXTRA_SPECS \ | |
| 854928a0 JT |
50 | { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \ |
| 51 | { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \ | |
| 52 | { "netbsd_entry_point", NETBSD_ENTRY_POINT }, | |
| f982f805 | 53 | |
| f982f805 | 54 | |
| 854928a0 | 55 | /* Provide a LINK_SPEC appropriate for a NetBSD/alpha ELF target. */ |
| f982f805 | 56 | |
| 40039424 | 57 | #undef LINK_SPEC |
| 854928a0 JT |
58 | #define LINK_SPEC \ |
| 59 | "%{G*} %{relax:-relax} \ | |
| 60 | %{O*:-O3} %{!O*:-O1} \ | |
| 61 | %(netbsd_link_spec)" | |
| 62 | ||
| 63 | #define NETBSD_ENTRY_POINT "__start" | |
| f982f805 JT |
64 | |
| 65 | ||
| 66 | /* Provide an ENDFILE_SPEC appropriate for NetBSD/alpha ELF. Here we | |
| 67 | add crtend.o, which provides part of the support for getting | |
| 68 | C++ file-scope static objects deconstructed after exiting "main". | |
| 69 | ||
| 70 | We also need to handle the GCC option `-ffast-math'. */ | |
| 71 | ||
| 72 | #undef ENDFILE_SPEC | |
| 73 | #define ENDFILE_SPEC \ | |
| 74 | "%{ffast-math|funsafe-math-optimizations:crtfm%O%s} \ | |
| 75 | %{!shared:crtend%O%s} %{shared:crtendS%O%s}" | |
| 76 | ||
| 77 | ||
| 90e021a0 JT |
78 | /* Attempt to enable execute permissions on the stack. */ |
| 79 | ||
| 80 | #define TRANSFER_FROM_TRAMPOLINE NETBSD_ENABLE_EXECUTE_STACK | |
| 81 | ||
| 82 | ||
| f982f805 JT |
83 | #undef TARGET_VERSION |
| 84 | #define TARGET_VERSION fprintf (stderr, " (NetBSD/alpha ELF)"); |