85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/* Definitions of target machine for GNU compiler,
|
|
for Alpha NetBSD systems.
|
|
Copyright (C) 1998, 2002 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU CC.
|
|
|
|
GNU CC 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.
|
|
|
|
GNU CC 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 GNU CC; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#undef TARGET_DEFAULT
|
|
#define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS)
|
|
|
|
#define TARGET_OS_CPP_BUILTINS() \
|
|
do { \
|
|
NETBSD_OS_CPP_BUILTINS_ELF(); \
|
|
NETBSD_OS_CPP_BUILTINS_LP64(); \
|
|
} 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 TRANSFER_FROM_TRAMPOLINE NETBSD_ENABLE_EXECUTE_STACK
|
|
|
|
|
|
#undef TARGET_VERSION
|
|
#define TARGET_VERSION fprintf (stderr, " (NetBSD/alpha ELF)");
|