Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / m68k / openbsd.h

diff --git a/gcc/config/m68k/openbsd.h b/gcc/config/m68k/openbsd.h
index ac3b6882c11f2aa3f93b2215bd37716fba288b17..30bfc203fcf01b7faccb0823882ea29084e35e30 100644 (file)
--- a/gcc/config/m68k/openbsd.h
+++ b/gcc/config/m68k/openbsd.h
@@ -1,44 +1,42 @@
 /* Configuration file for an m68k OpenBSD target.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2003, 2007 Free Software Foundation, 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.  */
-
-/* m68k is an old configuration that does not yet use the TARGET_CPU_DEFAULT
-   framework.  */
-#define TARGET_DEFAULT (MASK_BITFIELD | MASK_68881 | MASK_68020)
-
-#include <m68k/m68k.h>
-
-/* Get generic OpenBSD definitions.  */
-#define OBSD_OLD_GAS
-#include <openbsd.h>
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+/* Target OS builtins.  */
+#define TARGET_OS_CPP_BUILTINS()               \
+  do                                           \
+    {                                          \
+       builtin_define ("__unix__");            \
+       builtin_define ("__OpenBSD__");         \
+       builtin_assert ("system=unix");         \
+       builtin_assert ("system=OpenBSD");      \
+   }                                           \
+  while (0)
 
 /* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified.
    This will control the use of inline 68881 insns in certain macros.  */
 #undef CPP_SPEC
 #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
 
-/* Run-time target specifications.  */
-#define CPP_PREDEFINES "-D__unix__ -D__m68k__ -D__mc68000__ -D__mc68020__ -D__OpenBSD__ -Asystem=unix -Asystem=OpenBSD -Acpu=m68k -Amachine=m68k"
-
-/* m68k as needs to know about the processor subtype.  */
 #undef ASM_SPEC
-#define ASM_SPEC "%| %{m68030} %{m68040} %{m68060} %{fpic:-k} %{fPIC:-k -K}"
+#define ASM_SPEC "%(asm_cpu_spec) %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
+
+#define AS_NEEDS_DASH_FOR_PIPED_INPUT
 
 /* Layout of source language data types.  */
 
@@ -63,7 +61,7 @@ Boston, MA 02111-1307, USA.  */
 /* Specific options for DBX Output.  */
 
 /* This is BSD, so it wants DBX format.  */
-#define DBX_DEBUGGING_INFO
+#define DBX_DEBUGGING_INFO 1
 
 /* Do not break .stabs pseudos into continuations.  */
 #define DBX_CONTIN_LENGTH 0
@@ -74,6 +72,10 @@ Boston, MA 02111-1307, USA.  */
 
 /* Stack & calling: aggregate returns.  */
 
+/* ??? This is traditional, but quite possibly wrong.  It appears to
+   disagree with gdb.  */
+#define PCC_STATIC_STRUCT_RETURN 1
+
 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
    we want to retain compatibility with older gcc versions.  */
 #define DEFAULT_PCC_STRUCT_RETURN 0
@@ -81,41 +83,5 @@ Boston, MA 02111-1307, USA.  */
 /* Assembler format: exception region output.  */
 
 /* All configurations that don't use elf must be explicit about not using
-   dwarf unwind information. egcs doesn't try too hard to check internal
-   configuration files...  */
+   dwarf unwind information.  */
 #define DWARF2_UNWIND_INFO 0
-
-
-/* TODO: ASM_OUTPUT_MI_THUNK is busted. I need to figure out 
-   what bra func@PLTPC means under linux, and find the corresponding 
-   construction for our gas/pic setup.  */
-#if 0
-/* Taken from linux.h. Processor dependent optimized code to handle C++
-   multiple inheritance vtable lookup.  */
-
-/* Output code to add DELTA to the first argument, and then jump to FUNCTION.
-   Used for C++ multiple inheritance.  */
-#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION)       \
-do {                                                                   \
-  if (DELTA > 0 && DELTA <= 8)                                         \
-    asm_fprintf (FILE, "\taddq.l %I%d,4(%Rsp)\n", DELTA);              \
-  else if (DELTA < 0 && DELTA >= -8)                                   \
-    asm_fprintf (FILE, "\tsubq.l %I%d,4(%Rsp)\n", -DELTA);             \
-  else                                                                 \
-    asm_fprintf (FILE, "\tadd.l %I%d,4(%Rsp)\n", DELTA);               \
-                                                                       \
-  if (flag_pic)                                                                \
-    {                                                                  \
-      fprintf (FILE, "\tbra.l ");                                      \
-      assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0));   \
-      fprintf (FILE, "@PLTPC\n");                                      \
-    }                                                                  \
-  else                                                                 \
-    {                                                                  \
-      fprintf (FILE, "\tjmp ");                                                \
-      assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0));   \
-      fprintf (FILE, "\n");                                            \
-    }                                                                  \
-} while (0)
-#endif
-