-/* Definitions of target machine for GNU compiler,
+/* Definitions of target machine for GCC,
for x86-64/ELF NetBSD systems.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004, 2007 Free Software Foundation, Inc.
Contributed by Wasabi Systems, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ NETBSD_OS_CPP_BUILTINS_ELF(); \
+ } \
+ while (0)
-/* Provide a LINK_SPEC appropriate for a NetBSD/x86-64 ELF target.
- This is a copy of LINK_SPEC from <netbsd-elf.h> tweaked for
- the x86-64 target. */
-#undef LINK_SPEC
-#define LINK_SPEC \
- "%{!m32:-m elf_x86_64} \
- %{m32:-m elf_i386} \
- %{assert*} %{R*} \
- %{shared:-shared} \
- %{!shared: \
- -dc -dp \
- %{!nostdlib: \
- %{!r*: \
- %{!e*:-e _start}}} \
- %{!static: \
- %{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
- %{static:-static}}"
-
-
-/* Names to predefine in the preprocessor for this target machine. */
+/* Extra specs needed for NetBSD/x86-64 ELF. */
-#define CPP_PREDEFINES \
- "-D__NetBSD__ -D__ELF__ -Asystem=unix -Asystem=NetBSD"
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+ { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
+ { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
+ { "netbsd_entry_point", NETBSD_ENTRY_POINT },
-/* Provide some extra CPP specs needed by NetBSD/x86_64. */
-#define CPP_LP64_SPEC "%{!m32:-D_LP64}"
+/* Provide a LINK_SPEC appropriate for a NetBSD/x86-64 ELF target. */
-#define CPP_SUBTARGET_SPEC "%(cpp_lp64)"
+#undef LINK_SPEC
+#define LINK_SPEC \
+ "%{m32:-m elf_i386} \
+ %{m64:-m elf_x86_64} \
+ %(netbsd_link_spec)"
-#undef SUBTARGET_EXTRA_SPECS
-#define SUBTARGET_EXTRA_SPECS \
- { "cpp_lp64", CPP_LP64_SPEC }, \
- { "cpp_subtarget", CPP_SUBTARGET_SPEC },
+#define NETBSD_ENTRY_POINT "_start"
-/* Provide a CPP_SPEC appropriate for NetBSD. Currently we deal with
- our subtarget specs and the GCC option `-posix'. */
+/* Provide a CPP_SPEC appropriate for NetBSD. */
#undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %(cpp_subtarget) %{posix:-D_POSIX_SOURCE}"
+#define CPP_SPEC "%(netbsd_cpp_spec)"
/* Output assembler code to FILE to call the profiler. */
fprintf (FILE, "\tcall __mcount\n"); \
}
+/* 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/x86_64 ELF)");