1 files changed, 49 insertions, 0 deletions
diff --git a/contrib/gcc/config/sparc/sunos4.h b/contrib/gcc/config/sparc/sunos4.h
new file mode 100644
index 0000000000000..14c7a437d67c1
--- /dev/null
+++ b/contrib/gcc/config/sparc/sunos4.h
@@ -0,0 +1,49 @@
+/* Definitions of target machine for GNU compiler, for SunOS 4.x
+   Copyright (C) 1994 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.  */
+
+#define SUNOS4_SHARED_LIBRARIES 1
+
+/* Use N_BINCL stabs.  */
+
+#define DBX_USE_BINCL
+
+#include "sparc/sparc.h"
+
+/* The Sun as doesn't like unaligned data.  */
+#define DWARF2_UNWIND_INFO 0
+
+/* Override MACHINE_STATE_{SAVE,RESTORE} because we have special
+   traps available which can get and set the condition codes
+   reliably.  */
+#undef MACHINE_STATE_SAVE
+#define MACHINE_STATE_SAVE(ID)				\
+  unsigned long int ms_flags, ms_saveret;		\
+  asm volatile("ta	0x20\n\t"			\
+	       "mov	%%g1, %0\n\t"			\
+	       "mov	%%g2, %1\n\t"			\
+	       : "=r" (ms_flags), "=r" (ms_saveret));
+
+#undef MACHINE_STATE_RESTORE
+#define MACHINE_STATE_RESTORE(ID)			\
+  asm volatile("mov	%0, %%g1\n\t"			\
+	       "mov	%1, %%g2\n\t"			\
+	       "ta	0x21\n\t"			\
+	       : /* no outputs */			\
+	       : "r" (ms_flags), "r" (ms_saveret));