Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / netbsd-elf.h

diff --git a/gcc/config/netbsd-elf.h b/gcc/config/netbsd-elf.h
index 7dd9ff3d66dfd6ecd071c4674e47e8f71999d9eb..37f504b8435643273f10cf621344f9be84ce63b4 100644 (file)
--- a/gcc/config/netbsd-elf.h
+++ b/gcc/config/netbsd-elf.h
@@ -1,24 +1,30 @@
 /* Common configuration file for NetBSD ELF targets.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 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/>.  */
 
+/* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets.  */
+#define NETBSD_OS_CPP_BUILTINS_ELF()           \
+  do                                           \
+    {                                          \
+      NETBSD_OS_CPP_BUILTINS_COMMON();         \
+    }                                          \
+  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*
@@ -38,39 +44,55 @@ Boston, MA 02111-1307, USA.  */
    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}}}                \
-   %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}"
+   %:if-exists(crti%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           \
-  "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
+#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,
-   -nostdlib, -static, -rdynamic, and -dynamic-linker.  */
-
-#undef LINK_SPEC
-#define LINK_SPEC                                                      \
-  "%{assert*} %{R*} %{rpath*}                                          \
-   %{shared:-shared}                                                   \
-   %{!shared:                                                          \
-     -dc -dp                                                           \
-     %{!nostdlib:                                                      \
-       %{!r*:                                                          \
-        %{!e*:-e __start}}}                                            \
-     %{!static:                                                                \
-       %{rdynamic:-export-dynamic}                                     \
-       %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}      \
+   -nostdlib, -static, -rdynamic, and -dynamic-linker.
+
+   Target-specific code can use this in conjunction with any other
+   target-specific LINK_SPEC options.
+
+   Target-specific code must provide the %(netbsd_entry_point) spec.  */
+
+#define NETBSD_LINK_SPEC_ELF \
+  "%{assert*} %{R*} %{rpath*} \
+   %{shared:-shared} \
+   %{!shared: \
+     -dc -dp \
+     %{!nostdlib: \
+       %{!r*: \
+        %{!e*:-e %(netbsd_entry_point)}}} \
+     %{!static: \
+       %{rdynamic:-export-dynamic} \
+       %{!dynamic-linker:-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