Add NIOS2 support. Code from SourceyG++.

[pf3gnuchains/gcc-fork.git] / gcc / config / netbsd-elf.h

diff --git a/gcc/config/netbsd-elf.h b/gcc/config/netbsd-elf.h
index a35f46a..4fd55c1 100644 (file)
--- a/gcc/config/netbsd-elf.h
+++ b/gcc/config/netbsd-elf.h
@@ -1,71 +1,62 @@
 /* Common configuration file for NetBSD ELF targets.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2007, 2010 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/>.  */
 
 /* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets.  */
 #define NETBSD_OS_CPP_BUILTINS_ELF()           \
   do                                           \
     {                                          \
       NETBSD_OS_CPP_BUILTINS_COMMON();         \
-      builtin_define ("__ELF__");              \
     }                                          \
   while (0)
 
-/* This defines which switch letters take arguments.  On NetBSD, most
-   of the normal cases (defined by gcc.c) apply, and we also have -h*
-   and -z* options (for the linker) (coming from SVR4).  */
-
-#undef SWITCH_TAKES_ARG
-#define SWITCH_TAKES_ARG(CHAR)                 \
-  (DEFAULT_SWITCH_TAKES_ARG (CHAR)             \
-   || (CHAR) == 'h'                            \
-   || (CHAR) == 'z'                            \
-   || (CHAR) == 'R')
-
-
 /* Provide a STARTFILE_SPEC appropriate for NetBSD ELF.  Here we
    provide support for the special GCC option -static.  On ELF
    targets, we also add the crtbegin.o file, which provides part
    of the support for getting C++ file-scope static objects
    constructed before entering "main".  */
 
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC         \
+#define NETBSD_STARTFILE_SPEC  \
   "%{!shared:                  \
      %{pg:gcrt0%O%s}           \
      %{!pg:                    \
        %{p:gcrt0%O%s}          \
        %{!p:crt0%O%s}}}                \
    %:if-exists(crti%O%s)       \
-   %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}"
+   %{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \
+   %{!static: \
+     %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}}"
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC NETBSD_STARTFILE_SPEC
 
 
 /* Provide an ENDFILE_SPEC appropriate for NetBSD ELF.  Here we
    add crtend.o, which provides part of the support for getting
    C++ file-scope static objects deconstructed after exiting "main".  */
 
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC           \
+#define NETBSD_ENDFILE_SPEC    \
   "%{!shared:crtend%O%s} %{shared:crtendS%O%s} \
    %:if-exists(crtn%O%s)"
 
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC NETBSD_ENDFILE_SPEC
 
 /* Provide a LINK_SPEC appropriate for NetBSD ELF.  Here we provide
    support for the special GCC options -assert, -R, -rpath, -shared,
@@ -82,9 +73,14 @@ Boston, MA 02111-1307, USA.  */
    %{!shared: \
      -dc -dp \
      %{!nostdlib: \
-       %{!r*: \
+       %{!r: \
         %{!e*:-e %(netbsd_entry_point)}}} \
      %{!static: \
        %{rdynamic:-export-dynamic} \
-       %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
+       -dynamic-linker /usr/libexec/ld.elf_so} \
      %{static:-static}}"
+
+/* Use --as-needed -lgcc_s for eh support.  */
+#ifdef HAVE_LD_AS_NEEDED
+#define USE_LD_AS_NEEDED 1
+#endif