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From-SVN: r41323

gcc/config/pa/pa32-linux.h

+/* Definitions for PA_RISC with ELF-32 format
+   Copyright (C) 2000 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.  */
+
+/* Turn off various SOM crap we don't want. */
+#undef TARGET_ELF32
+#define TARGET_ELF32 1
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{mhppa:-D__hppa__} %{posix:-D_POSIX_SOURCE} -D_PA_RISC1_1"

gcc/config/pa/pa64-linux.h

+/* Definitions for PA_RISC with ELF format on 64-bit Linux
+   Copyright (C) 1999, 2000 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.  */
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{mhppa:-D__hppa__} %{posix:-D_POSIX_SOURCE} -D_PA_RISC2_0 -D__LP64__"
+
+#if 0 /* needs some work :-( */
+/* If defined, this macro specifies a table of register pairs used to
+   eliminate unneeded registers that point into the stack frame.  */
+
+#define ELIMINABLE_REGS							\
+{									\
+  {FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM},				\
+  {ARG_POINTER_REGNUM,	 STACK_POINTER_REGNUM},				\
+  {ARG_POINTER_REGNUM,	 FRAME_POINTER_REGNUM},				\
+}
+
+/* A C expression that returns non-zero if the compiler is allowed to try to
+   replace register number FROM with register number TO.  The frame pointer
+   is automatically handled.  */
+
+#define CAN_ELIMINATE(FROM, TO) 1
+
+/* This macro is similar to `INITIAL_FRAME_POINTER_OFFSET'.  It
+   specifies the initial difference between the specified pair of
+   registers.  This macro must be defined if `ELIMINABLE_REGS' is
+   defined.  */
+#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
+  do								\
+    {								\
+      int fsize;						\
+								\
+      fsize = compute_frame_size (get_frame_size (), 0);	\
+      if ((TO) == FRAME_POINTER_REGNUM				\
+	  && (FROM) == ARG_POINTER_REGNUM)			\
+	{							\
+	  (OFFSET) = -16;					\
+	  break;						\
+	}							\
+								\
+      if ((TO) != STACK_POINTER_REGNUM)				\
+	abort ();						\
+								\
+      switch (FROM)						\
+	{							\
+	case FRAME_POINTER_REGNUM:				\
+	  (OFFSET) = - fsize;					\
+	  break;						\
+								\
+	case ARG_POINTER_REGNUM:				\
+	  (OFFSET) = - fsize - 16;				\
+	  break;						\
+								\
+	default:						\
+	  abort ();						\
+	}							\
+    } while (0)
+#endif