config.gcc (powerpc-*-netbsd*): Replace "svr4.h" with "netbsd.h netbsd-elf.h" in tm_file.

* config.gcc (powerpc-*-netbsd*): Replace "svr4.h" with
"netbsd.h netbsd-elf.h" in tm_file.  Set tmake_file to
"${tmake_file} rs6000/t-netbsd".
* config/rs6000/netbsd.h: Rewrite.
* config/rs6000/t-netbsd: New file.

From-SVN: r59479

gcc/ChangeLog

+2002-11-25  Jason Thorpe  <thorpej@wasabisystems.com>
+
+	* config.gcc (powerpc-*-netbsd*): Replace "svr4.h" with
+	"netbsd.h netbsd-elf.h" in tm_file.  Set tmake_file to
+	"${tmake_file} rs6000/t-netbsd".
+	* config/rs6000/netbsd.h: Rewrite.
+	* config/rs6000/t-netbsd: New file.
+
 2002-11-25  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/h8300/h8300.md (an anonymous pattern): Relax the

gcc/config.gcc

@@ -2001,8 +2001,8 @@ powerpc-*-sysv*)
 	tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
 	;;
 powerpc-*-netbsd*)
-	tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/netbsd.h"
-	tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
+	tm_file="${tm_file} dbxelf.h elfos.h netbsd.h netbsd-elf.h freebsd-spec.h rs6000/sysv4.h rs6000/netbsd.h"
+	tmake_file="${tmake_file} rs6000/t-netbsd"
 	;;
 powerpc-*-chorusos*)
 	xm_defines=POSIX

gcc/config/rs6000/netbsd.h

 /* Definitions of target machine for GNU compiler,
    for PowerPC NetBSD systems.
-   Copyright 2001 Free Software Foundation, Inc.
+   Copyright 2002 Free Software Foundation, Inc.
+   Contributed by Wasabi Systems, Inc.
 
 This file is part of GNU CC.
 
@@ -19,48 +20,54 @@ 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.  */
 
-/* Under NetBSD, the normal location of the various *crt*.o files is
-   the /usr/lib directory [from config/netbsd.h].  */
+#undef TARGET_OS_CPP_BUILTINS	/* FIXME: sysv4.h should not define this! */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+      NETBSD_OS_CPP_BUILTINS_ELF();		\
+      builtin_define ("__powerpc__");		\
+      builtin_assert ("cpu=powerpc");		\
+      builtin_assert ("machine=powerpc");	\
+    }						\
+  while (0)
 
-#undef STANDARD_STARTFILE_PREFIX
-#define STANDARD_STARTFILE_PREFIX "/usr/lib/"
+/* Make GCC agree with <machine/ansi.h>.  */
 
-/* FIXME: Should this macro be treated the same as for the other
-   spec's?  */
-/* NOTE: -dc and -dp are equivalent yet NetBSD's CC passes both both!
-   NetBSD's CC also passes -O1 but we can skip that.  NetBSD explictly
-   sets ``-e _start'', since LD knows this, skip it.  */
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
 
-#undef LINK_SHLIB_SPEC
-#define LINK_SHLIB_SPEC "\
-%{shared:-shared} \
-%{!shared: %{static:-dc -dp -static}} \
-%{!shared: %{!static:-dc -dp}} \
-"
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
 
-/* Override the defaults.  */
-#undef LIB_DEFAULT_SPEC
-#define LIB_DEFAULT_SPEC "%(lib_netbsd)"
+/* Undo the spec mess from sysv4.h, and just define the specs
+   the way NetBSD systems actually expect.  */
 
-#undef STARTFILE_DEFAULT_SPEC
-#define STARTFILE_DEFAULT_SPEC "%(startfile_netbsd)"
+#undef CPP_SPEC
+#define CPP_SPEC NETBSD_CPP_SPEC
 
-#undef ENDFILE_DEFAULT_SPEC
-#define ENDFILE_DEFAULT_SPEC "%(endfile_netbsd)"
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{!msdata=none:%{G*}} %{msdata=none:-G0} \
+   %(netbsd_link_spec)"
 
-#undef LINK_START_DEFAULT_SPEC
-#define LINK_START_DEFAULT_SPEC "%(link_start_netbsd)"
+#define NETBSD_ENTRY_POINT "_start"
 
-#undef	LINK_OS_DEFAULT_SPEC
-#define LINK_OS_DEFAULT_SPEC "%(link_os_netbsd)"
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC NETBSD_STARTFILE_SPEC
 
-#undef	CPP_OS_DEFAULT_SPEC
-#define CPP_OS_DEFAULT_SPEC "%(cpp_os_netbsd)"
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+  "crtsavres%O%s %(netbsd_endfile_spec)"
 
-#undef TARGET_VERSION
-#define TARGET_VERSION fprintf (stderr, " (PowerPC NetBSD/ELF)");
+#undef LIB_SPEC
+#define LIB_SPEC NETBSD_LIB_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 },
 
-/* Use STABS debugging information by default.  DWARF2 makes a mess of
-   the 1.5.2 linker.  */
-#undef  PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (NetBSD/powerpc ELF)");

gcc/config/rs6000/t-netbsd

+# Support for NetBSD PowerPC ELF targets (SVR4 ABI).
+
+LIB2FUNCS_EXTRA = tramp.S
+
+tramp.S: $(srcdir)/config/rs6000/tramp.asm
+	cat $(srcdir)/config/rs6000/tramp.asm > tramp.S
+
+crtsavres.S: $(srcdir)/config/rs6000/crtsavres.asm
+	cat $(srcdir)/config/rs6000/crtsavres.asm >crtsavres.S
+
+EXTRA_PARTS += crtsavres$(objext)
+
+# It is important that crtbegin.o, etc., aren't surprised by stuff in .sdata.
+CRTSTUFF_T_CFLAGS += -msdata=none
+CRTSTUFF_T_CFLAGS_S += -msdata=none
+
+# Switch synonyms
+MULTILIB_MATCHES_FLOAT	= msoft-float=mcpu?401 \
+			  msoft-float=mcpu?403 \
+			  msoft-float=mcpu?405 \
+			  msoft-float=mcpu?ec603e \
+			  msoft-float=mcpu?801 \
+			  msoft-float=mcpu?821 \
+			  msoft-float=mcpu?823 \
+			  msoft-float=mcpu?860
+
+MULTILIB_OPTIONS	= msoft-float
+MULTILIB_DIRNAMES	= soft-float
+MULTILIB_EXTRA_OPTS	= fPIC mstrict-align
+MULTILIB_EXCEPTIONS	=
+
+MULTILIB_MATCHES	= ${MULTILIB_MATCHES_FLOAT}
+
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib
+EXTRA_MULTILIB_PARTS = crtbegin$(objext) crtend$(objext) \
+  crtbeginS$(objext) crtendS$(objext) crtbeginT$(objext) \
+  crtsavres$(objext)
+
+$(T)crtsavres$(objext): crtsavres.S
+	$(GCC_FOR_TARGET) $(CRTSTUFF_CFLAGS) $(CRTSTUFF_T_CFLAGS) \
+	  -c crtsavres.S -o $(T)crtsavres$(objext)