diff options
Diffstat (limited to 'gcc-4.2.1/gcc/config/alpha/netbsd.h')
-rw-r--r-- | gcc-4.2.1/gcc/config/alpha/netbsd.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/config/alpha/netbsd.h b/gcc-4.2.1/gcc/config/alpha/netbsd.h new file mode 100644 index 000000000..614b92b7a --- /dev/null +++ b/gcc-4.2.1/gcc/config/alpha/netbsd.h @@ -0,0 +1,83 @@ +/* Definitions of target machine for GNU compiler, + for Alpha NetBSD systems. + Copyright (C) 1998, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to +the Free Software Foundation, 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ + +#undef TARGET_DEFAULT +#define TARGET_DEFAULT (MASK_FPREGS | MASK_GAS) + +#define TARGET_OS_CPP_BUILTINS() \ + do { \ + NETBSD_OS_CPP_BUILTINS_ELF(); \ + } while (0) + + +/* NetBSD doesn't use the LANGUAGE* built-ins. */ +#undef SUBTARGET_LANGUAGE_CPP_BUILTINS +#define SUBTARGET_LANGUAGE_CPP_BUILTINS() /* nothing */ + + +/* Show that we need a GP when profiling. */ +#undef TARGET_PROFILING_NEEDS_GP +#define TARGET_PROFILING_NEEDS_GP 1 + + +/* Provide a CPP_SUBTARGET_SPEC appropriate for NetBSD/alpha. We use + this to pull in CPP specs that all NetBSD configurations need. */ + +#undef CPP_SUBTARGET_SPEC +#define CPP_SUBTARGET_SPEC NETBSD_CPP_SPEC + +#undef SUBTARGET_EXTRA_SPECS +#define SUBTARGET_EXTRA_SPECS \ + { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \ + { "netbsd_entry_point", NETBSD_ENTRY_POINT }, \ + { "netbsd_endfile_spec", NETBSD_ENDFILE_SPEC }, + + +/* Provide a LINK_SPEC appropriate for a NetBSD/alpha ELF target. */ + +#undef LINK_SPEC +#define LINK_SPEC \ + "%{G*} %{relax:-relax} \ + %{O*:-O3} %{!O*:-O1} \ + %(netbsd_link_spec)" + +#define NETBSD_ENTRY_POINT "__start" + + +/* Provide an ENDFILE_SPEC appropriate for NetBSD/alpha ELF. Here we + add crtend.o, which provides part of the support for getting + C++ file-scope static objects deconstructed after exiting "main". + + We also need to handle the GCC option `-ffast-math'. */ + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{ffast-math|funsafe-math-optimizations:crtfm%O%s} \ + %(netbsd_endfile_spec)" + + +/* Attempt to enable execute permissions on the stack. */ + +#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK + + +#undef TARGET_VERSION +#define TARGET_VERSION fprintf (stderr, " (NetBSD/alpha ELF)"); |